mirror of https://git.tukaani.org/xz.git
XZ Utils is free general-purpose data compression software with a high compression ratio
https://tukaani.org/xz/
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2067 lines
75 KiB
2067 lines
75 KiB
# SPDX-License-Identifier: 0BSD
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#############################################################################
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#
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# CMake support for building XZ Utils
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#
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# The complete CMake-based build hasn't been tested much yet and
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# thus it's still slightly experimental. Testing this especially
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# outside GNU/Linux and Windows would be great now.
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#
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# A few things are still missing compared to the Autotools-based build:
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#
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# - A few tests aren't CMake compatible yet and thus aren't run!
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#
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# - 32-bit x86 assembly code for CRC32 and CRC64 isn't used.
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#
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# - External SHA-256 code isn't supported but it's disabled by
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# default in the Autotools build too (--enable-external-sha256).
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#
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# - Extra compiler warning flags aren't added by default.
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#
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# About CMAKE_BUILD_TYPE:
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#
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# - CMake's standard choices are fine to use for production builds,
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# including "Release" and "RelWithDebInfo".
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#
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# NOTE: While "Release" uses -O3 by default with some compilers,
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# this file overrides -O3 to -O2 for "Release" builds if
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# CMAKE_C_FLAGS_RELEASE is not defined by the user. At least
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# with GCC and Clang/LLVM, -O3 doesn't seem useful for this
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# package as it can result in bigger binaries without any
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# improvement in speed compared to -O2.
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#
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# - Empty value (the default) is handled slightly specially: It
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# adds -DNDEBUG to disable debugging code (assert() and a few
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# other things). No optimization flags are added so an empty
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# CMAKE_BUILD_TYPE is an easy way to build with whatever
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# optimization flags one wants, and so this method is also
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# suitable for production builds.
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#
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# If debugging is wanted when using empty CMAKE_BUILD_TYPE,
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# include -UNDEBUG in the CFLAGS environment variable or
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# in the CMAKE_C_FLAGS CMake variable to override -DNDEBUG.
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# With empty CMAKE_BUILD_TYPE, the -UNDEBUG option will go
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# after the -DNDEBUG option on the compiler command line and
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# thus NDEBUG will be undefined.
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#
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# - Non-standard build types like "None" aren't treated specially
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# and thus won't have -DNEBUG. Such non-standard build types
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# SHOULD BE AVOIDED FOR PRODUCTION BUILDS. Or at least one
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# should remember to add -DNDEBUG.
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#
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# If building from xz.git instead of a release tarball, consider
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# the following *before* running cmake:
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#
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# - To get translated messages, install GNU gettext tools (the
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# command msgfmt is needed). Alternatively disable translations
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# by setting ENABLE_NLS=OFF.
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#
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# - To get translated man pages, run po4a/update-po which requires
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# the po4a tool. The build works without this step too.
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#
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# - To get Doxygen-generated liblzma API docs in HTML format,
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# run doxygen/update-doxygen which requires the doxygen tool.
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# The build works without this step too.
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#
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# This file provides the following installation components (if you only
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# need liblzma, install only its components!):
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# - liblzma_Runtime (shared library only)
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# - liblzma_Development
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# - liblzma_Documentation (examples and Doxygen-generated API docs as HTML)
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# - xz_Runtime (xz, the symlinks, and possibly translation files)
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# - xz_Documentation (xz man pages and the symlinks)
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# - xzdec_Runtime
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# - xzdec_Documentation (xzdec *and* lzmadec man pages)
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# - lzmadec_Runtime
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# - lzmainfo_Runtime
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# - lzmainfo_Documentation (lzmainfo man pages)
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# - scripts_Runtime (xzdiff, xzgrep, xzless, xzmore)
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# - scripts_Documentation (their man pages)
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# - Documentation (generic docs like README and licenses)
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#
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# To find the target liblzma::liblzma from other packages, use the CONFIG
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# option with find_package() to avoid a conflict with the FindLibLZMA module
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# with case-insensitive file systems. For example, to require liblzma 5.2.5
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# or a newer compatible version:
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#
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# find_package(liblzma 5.2.5 REQUIRED CONFIG)
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# target_link_libraries(my_application liblzma::liblzma)
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#
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#############################################################################
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#
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# Author: Lasse Collin
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#
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#############################################################################
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# NOTE: Translation support is disabled with CMake older than 3.20.
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cmake_minimum_required(VERSION 3.14...3.28 FATAL_ERROR)
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include(CMakePushCheckState)
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include(CheckIncludeFile)
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include(CheckSymbolExists)
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include(CheckStructHasMember)
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include(CheckCSourceCompiles)
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include(cmake/tuklib_large_file_support.cmake)
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include(cmake/tuklib_integer.cmake)
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include(cmake/tuklib_cpucores.cmake)
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include(cmake/tuklib_physmem.cmake)
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include(cmake/tuklib_progname.cmake)
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include(cmake/tuklib_mbstr.cmake)
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set(PACKAGE_NAME "XZ Utils")
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set(PACKAGE_BUGREPORT "xz@tukaani.org")
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set(PACKAGE_URL "https://tukaani.org/xz/")
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# Get the package version from version.h into PACKAGE_VERSION variable.
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file(READ src/liblzma/api/lzma/version.h PACKAGE_VERSION)
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string(REGEX REPLACE
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"^.*\n\
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#define LZMA_VERSION_MAJOR ([0-9]+)\n\
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.*\
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#define LZMA_VERSION_MINOR ([0-9]+)\n\
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.*\
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#define LZMA_VERSION_PATCH ([0-9]+)\n\
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.*$"
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"\\1.\\2.\\3" PACKAGE_VERSION "${PACKAGE_VERSION}")
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# With several compilers, CMAKE_BUILD_TYPE=Release uses -O3 optimization
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# which results in bigger code without a clear difference in speed. If
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# no user-defined CMAKE_C_FLAGS_RELEASE is present, override -O3 to -O2
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# to make it possible to recommend CMAKE_BUILD_TYPE=Release.
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if(NOT DEFINED CMAKE_C_FLAGS_RELEASE)
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set(OVERRIDE_O3_IN_C_FLAGS_RELEASE ON)
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endif()
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# Among other things, this gives us variables xz_VERSION and xz_VERSION_MAJOR.
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project(xz VERSION "${PACKAGE_VERSION}" LANGUAGES C)
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if(OVERRIDE_O3_IN_C_FLAGS_RELEASE)
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# Looking at CMake's source, there aren't any _FLAGS_RELEASE_INIT
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# entries where "-O3" would appear as part of some other option,
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# thus a simple search and replace should be fine.
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string(REPLACE -O3 -O2 CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE}")
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# Update the cache value while keeping its docstring unchanged.
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set_property(CACHE CMAKE_C_FLAGS_RELEASE
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PROPERTY VALUE "${CMAKE_C_FLAGS_RELEASE}")
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endif()
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# We need a compiler that supports enough C99 or newer (variable-length arrays
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# aren't needed, those are optional in C17). Setting CMAKE_C_STANDARD here
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# makes it the default for all targets. It doesn't affect the INTERFACE so
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# liblzma::liblzma won't end up with INTERFACE_COMPILE_FEATURES "c_std_99"
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# (the API headers are C89 and C++ compatible).
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set(CMAKE_C_STANDARD 99)
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set(CMAKE_C_STANDARD_REQUIRED ON)
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# On Apple OSes, don't build executables as bundles:
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set(CMAKE_MACOSX_BUNDLE OFF)
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# Set CMAKE_INSTALL_LIBDIR and friends. This needs to be done before
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# the LOCALEDIR_DEFINITION workaround below.
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include(GNUInstallDirs)
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# windres from GNU binutils can be tricky with command line arguments
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# that contain spaces or other funny characters. Unfortunately we need
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# a space in PACKAGE_NAME. Using \x20 to encode the US-ASCII space seems
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# to work in both cmd.exe and /bin/sh.
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#
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# However, even \x20 isn't enough in all situations, resulting in
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# "syntax error" from windres. Using --use-temp-file prevents windres
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# from using popen() and this seems to fix the problem.
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#
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# llvm-windres from Clang/LLVM 16.0.6 and older: The \x20 results
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# in "XZx20Utils" in the compiled binary. The option --use-temp-file
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# makes no difference.
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#
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# llvm-windres 17.0.0 and later: It emulates GNU windres more accurately, so
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# the workarounds used with GNU windres must be used with llvm-windres too.
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#
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# CMake 3.27 doesn't have CMAKE_RC_COMPILER_ID so we rely on
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# CMAKE_C_COMPILER_ID.
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if((MINGW OR CYGWIN OR MSYS) AND (
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NOT CMAKE_C_COMPILER_ID STREQUAL "Clang" OR
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CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL "17"))
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# Use workarounds with GNU windres and llvm-windres >= 17.0.0. The \x20
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# in PACKAGE_NAME_DEFINITION works with gcc and clang too so we don't need
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# to worry how to pass different flags to windres and the C compiler.
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# Keep the original PACKAGE_NAME intact for generation of liblzma.pc.
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string(APPEND CMAKE_RC_FLAGS " --use-temp-file")
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string(REPLACE " " "\\x20" PACKAGE_NAME_DEFINITION "${PACKAGE_NAME}")
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# Use octal because "Program Files" would become \x20F.
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string(REPLACE " " "\\040" LOCALEDIR_DEFINITION
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"${CMAKE_INSTALL_FULL_LOCALEDIR}")
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else()
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# Elsewhere a space is safe. This also keeps things compatible with
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# EBCDIC in case CMake-based build is ever done on such a system.
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set(PACKAGE_NAME_DEFINITION "${PACKAGE_NAME}")
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set(LOCALEDIR_DEFINITION "${CMAKE_INSTALL_FULL_LOCALEDIR}")
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endif()
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# Definitions common to all targets:
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add_compile_definitions(
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# Package info:
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PACKAGE_NAME="${PACKAGE_NAME_DEFINITION}"
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PACKAGE_BUGREPORT="${PACKAGE_BUGREPORT}"
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PACKAGE_URL="${PACKAGE_URL}"
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# Standard headers and types are available:
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HAVE_STDBOOL_H
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HAVE__BOOL
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HAVE_STDINT_H
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HAVE_INTTYPES_H
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# Always enable CRC32 since liblzma should never build without it.
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HAVE_CHECK_CRC32
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# Disable assert() checks when no build type has been specified. Non-empty
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# build types like "Release" and "Debug" handle this by default.
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$<$<CONFIG:>:NDEBUG>
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)
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######################
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# System definitions #
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######################
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# _GNU_SOURCE and such definitions. This specific macro is special since
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# it also adds the definitions to CMAKE_REQUIRED_DEFINITIONS.
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tuklib_use_system_extensions(ALL)
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# Check for large file support. It's required on some 32-bit platforms and
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# even on 64-bit MinGW-w64 to get 64-bit off_t. This can be forced off on
|
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# the CMake command line if needed: -DLARGE_FILE_SUPPORT=OFF
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tuklib_large_file_support(ALL)
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# This is needed by liblzma and xz.
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tuklib_integer(ALL)
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# This is used for liblzma.pc generation to add -lrt if needed.
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set(LIBS)
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# Check for clock_gettime(). Do this before checking for threading so
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# that we know there if CLOCK_MONOTONIC is available.
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check_symbol_exists(clock_gettime time.h HAVE_CLOCK_GETTIME)
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if(NOT HAVE_CLOCK_GETTIME)
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# With glibc <= 2.17 or Solaris 10 this needs librt.
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|
# Add librt for the next check for HAVE_CLOCK_GETTIME. If it is
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# found after including the library, we know that librt is required.
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list(INSERT CMAKE_REQUIRED_LIBRARIES 0 rt)
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check_symbol_exists(clock_gettime time.h HAVE_CLOCK_GETTIME_LIBRT)
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# If it was found now, add librt to all targets and keep it in
|
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# CMAKE_REQUIRED_LIBRARIES for further tests too.
|
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if(HAVE_CLOCK_GETTIME_LIBRT)
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link_libraries(rt)
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set(LIBS "-lrt") # For liblzma.pc
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else()
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list(REMOVE_AT CMAKE_REQUIRED_LIBRARIES 0)
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endif()
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endif()
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if(HAVE_CLOCK_GETTIME OR HAVE_CLOCK_GETTIME_LIBRT)
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add_compile_definitions(HAVE_CLOCK_GETTIME)
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# Check if CLOCK_MONOTONIC is available for clock_gettime().
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check_symbol_exists(CLOCK_MONOTONIC time.h HAVE_CLOCK_MONOTONIC)
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tuklib_add_definition_if(ALL HAVE_CLOCK_MONOTONIC)
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endif()
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# Translation support requires CMake 3.20 because it added the Intl::Intl
|
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# target so we don't need to play with the individual variables.
|
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#
|
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# The definition ENABLE_NLS is added only to those targets that use it, thus
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# it's not done here. (xz has translations, xzdec doesn't.)
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if(CMAKE_VERSION VERSION_GREATER_EQUAL "3.20")
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find_package(Intl)
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find_package(Gettext)
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if(Intl_FOUND)
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option(ENABLE_NLS "Native Language Support (translated messages)" ON)
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# If translation support is enabled but neither gettext tools or
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# pre-generated .gmo files exist, translation support cannot be
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# enabled.
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#
|
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# The detection of pre-generated .gmo files is done by only
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# checking for the existence of a single .gmo file; Ukrainian
|
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# is one of many translations that gets regular updates.
|
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if(ENABLE_NLS AND NOT GETTEXT_FOUND AND
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NOT EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/po/uk.gmo")
|
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# This only sets the variable, not the cache variable!
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set(ENABLE_NLS OFF)
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|
# This message is shown only when new enough CMake is used and
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# library support for translations was found. The assumptions is
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# that in this situation the user might have interest in the
|
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# translations. This also keeps this code simpler.
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message(WARNING "Native language support (NLS) has been disabled. "
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"NLS support requires either gettext tools or "
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"pre-generated .gmo files. The latter are only "
|
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"available in distribution tarballs. "
|
|
"To avoid this warning, NLS can be explicitly "
|
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"disabled by passing -DENABLE_NLS=OFF to cmake.")
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endif()
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# Warn if NLS is enabled but translated man pages are missing.
|
|
if(UNIX AND ENABLE_NLS AND
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NOT EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/po4a/man")
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message(WARNING "Native language support (NLS) has been enabled "
|
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"but pre-generated translated man pages "
|
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"were not found and thus they won't be installed. "
|
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"Run 'po4a/update-po' to generate them.")
|
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endif()
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|
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# The *installed* name of the translation files is "xz.mo".
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set(TRANSLATION_DOMAIN "xz")
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endif()
|
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endif()
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# Options for new enough GCC or Clang on any arch or operating system:
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|
if(CMAKE_C_COMPILER_ID MATCHES GNU|Clang)
|
|
# configure.ac has a long list but it won't be copied here:
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add_compile_options(-Wall -Wextra)
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endif()
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|
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#############################################################################
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# liblzma
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#############################################################################
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option(BUILD_SHARED_LIBS "Build liblzma as a shared library instead of static")
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|
|
if(NOT WIN32)
|
|
# Symbol versioning only affects ELF shared libraries. The option is
|
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# ignored for static libraries.
|
|
#
|
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# Determine the default value so that it's always set with
|
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# shared libraries in mind which helps if the build dir is reconfigured
|
|
# from static to shared libs without resetting the cache variables.
|
|
set(SYMBOL_VERSIONING_DEFAULT OFF)
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if(CMAKE_SYSTEM_NAME STREQUAL "Linux" AND
|
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(CMAKE_SYSTEM_PROCESSOR MATCHES "[Mm]icro[Bb]laze" OR
|
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CMAKE_C_COMPILER_ID STREQUAL "NVHPC"))
|
|
# As a special case, GNU/Linux on MicroBlaze gets the generic
|
|
# symbol versioning because GCC 12 doesn't support the __symver__
|
|
# attribute on MicroBlaze. On Linux, CMAKE_SYSTEM_PROCESSOR comes
|
|
# from "uname -m" for native builds (should be "microblaze") or from
|
|
# the CMake toolchain file (not perfectly standardized but it very
|
|
# likely has "microblaze" in lower case or mixed case somewhere in
|
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# the string).
|
|
#
|
|
# NVIDIA HPC Compiler doesn't support symbol versioning but
|
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# it uses the linked from the system so the linker script
|
|
# can still be used to get the generic symbol versioning.
|
|
set(SYMBOL_VERSIONING_DEFAULT "generic")
|
|
|
|
elseif(CMAKE_SYSTEM_NAME STREQUAL "Linux")
|
|
# GNU/Linux-specific symbol versioning for shared liblzma.
|
|
# This includes a few extra compatibility symbols for RHEL/CentOS 7
|
|
# which are pointless on non-glibc non-Linux systems.
|
|
#
|
|
# Avoid symvers on Linux with non-glibc like musl and uClibc.
|
|
# In Autoconf it's enough to check that $host_os equals linux-gnu
|
|
# instead of, for example, linux-musl. CMake doesn't provide such
|
|
# a method.
|
|
#
|
|
# This check is here for now since it's not strictly required
|
|
# by anything else.
|
|
check_c_source_compiles(
|
|
"#include <features.h>
|
|
#if defined(__GLIBC__) && !defined(__UCLIBC__)
|
|
int main(void) { return 0; }
|
|
#else
|
|
compile error
|
|
#endif
|
|
"
|
|
IS_LINUX_WITH_GLIBC)
|
|
|
|
if(IS_LINUX_WITH_GLIBC)
|
|
set(SYMBOL_VERSIONING_DEFAULT "linux")
|
|
endif()
|
|
|
|
elseif(CMAKE_SYSTEM_NAME STREQUAL "FreeBSD")
|
|
set(SYMBOL_VERSIONING_DEFAULT "generic")
|
|
endif()
|
|
|
|
set(SYMBOL_VERSIONING "${SYMBOL_VERSIONING_DEFAULT}" CACHE STRING
|
|
"Enable ELF shared library symbol versioning (OFF, generic, linux)")
|
|
|
|
# Show a dropdown menu in CMake GUI:
|
|
set_property(CACHE SYMBOL_VERSIONING PROPERTY STRINGS "OFF;generic;linux")
|
|
endif()
|
|
|
|
|
|
add_library(liblzma
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src/common/mythread.h
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|
src/common/sysdefs.h
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|
src/common/tuklib_common.h
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|
src/common/tuklib_config.h
|
|
src/common/tuklib_integer.h
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|
src/common/tuklib_physmem.c
|
|
src/common/tuklib_physmem.h
|
|
src/liblzma/api/lzma.h
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|
src/liblzma/api/lzma/base.h
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|
src/liblzma/api/lzma/bcj.h
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|
src/liblzma/api/lzma/block.h
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src/liblzma/api/lzma/check.h
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src/liblzma/api/lzma/container.h
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src/liblzma/api/lzma/delta.h
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src/liblzma/api/lzma/filter.h
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src/liblzma/api/lzma/hardware.h
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|
src/liblzma/api/lzma/index.h
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src/liblzma/api/lzma/index_hash.h
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|
src/liblzma/api/lzma/lzma12.h
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|
src/liblzma/api/lzma/stream_flags.h
|
|
src/liblzma/api/lzma/version.h
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|
src/liblzma/api/lzma/vli.h
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|
src/liblzma/check/check.c
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|
src/liblzma/check/check.h
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|
src/liblzma/check/crc_common.h
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|
src/liblzma/check/crc_x86_clmul.h
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src/liblzma/check/crc32_arm64.h
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|
src/liblzma/common/block_util.c
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|
src/liblzma/common/common.c
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src/liblzma/common/common.h
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src/liblzma/common/easy_preset.c
|
|
src/liblzma/common/easy_preset.h
|
|
src/liblzma/common/filter_common.c
|
|
src/liblzma/common/filter_common.h
|
|
src/liblzma/common/hardware_physmem.c
|
|
src/liblzma/common/index.c
|
|
src/liblzma/common/index.h
|
|
src/liblzma/common/memcmplen.h
|
|
src/liblzma/common/stream_flags_common.c
|
|
src/liblzma/common/stream_flags_common.h
|
|
src/liblzma/common/string_conversion.c
|
|
src/liblzma/common/vli_size.c
|
|
)
|
|
|
|
target_include_directories(liblzma PRIVATE
|
|
src/liblzma/api
|
|
src/liblzma/common
|
|
src/liblzma/check
|
|
src/liblzma/lz
|
|
src/liblzma/rangecoder
|
|
src/liblzma/lzma
|
|
src/liblzma/delta
|
|
src/liblzma/simple
|
|
src/common
|
|
)
|
|
|
|
|
|
######################
|
|
# Size optimizations #
|
|
######################
|
|
|
|
option(ENABLE_SMALL "Reduce code size at expense of speed. \
|
|
This may be useful together with CMAKE_BUILD_TYPE=MinSizeRel.")
|
|
|
|
if(ENABLE_SMALL)
|
|
add_compile_definitions(HAVE_SMALL)
|
|
endif()
|
|
|
|
|
|
##########
|
|
# Checks #
|
|
##########
|
|
|
|
set(ADDITIONAL_SUPPORTED_CHECKS crc64 sha256)
|
|
|
|
set(ADDITIONAL_CHECK_TYPES "${ADDITIONAL_SUPPORTED_CHECKS}" CACHE STRING
|
|
"Additional check types to support (crc32 is always built)")
|
|
|
|
foreach(CHECK IN LISTS ADDITIONAL_CHECK_TYPES)
|
|
if(NOT CHECK IN_LIST ADDITIONAL_SUPPORTED_CHECKS)
|
|
message(FATAL_ERROR "'${CHECK}' is not a supported check type")
|
|
endif()
|
|
endforeach()
|
|
|
|
if(ENABLE_SMALL)
|
|
target_sources(liblzma PRIVATE src/liblzma/check/crc32_small.c)
|
|
else()
|
|
target_sources(liblzma PRIVATE
|
|
src/liblzma/check/crc32_fast.c
|
|
src/liblzma/check/crc32_table.c
|
|
src/liblzma/check/crc32_table_be.h
|
|
src/liblzma/check/crc32_table_le.h
|
|
)
|
|
endif()
|
|
|
|
if("crc64" IN_LIST ADDITIONAL_CHECK_TYPES)
|
|
add_compile_definitions("HAVE_CHECK_CRC64")
|
|
|
|
if(ENABLE_SMALL)
|
|
target_sources(liblzma PRIVATE src/liblzma/check/crc64_small.c)
|
|
else()
|
|
target_sources(liblzma PRIVATE
|
|
src/liblzma/check/crc64_fast.c
|
|
src/liblzma/check/crc64_table.c
|
|
src/liblzma/check/crc64_table_be.h
|
|
src/liblzma/check/crc64_table_le.h
|
|
)
|
|
endif()
|
|
endif()
|
|
|
|
if("sha256" IN_LIST ADDITIONAL_CHECK_TYPES)
|
|
add_compile_definitions("HAVE_CHECK_SHA256")
|
|
target_sources(liblzma PRIVATE src/liblzma/check/sha256.c)
|
|
endif()
|
|
|
|
|
|
#################
|
|
# Match finders #
|
|
#################
|
|
|
|
set(SUPPORTED_MATCH_FINDERS hc3 hc4 bt2 bt3 bt4)
|
|
|
|
set(MATCH_FINDERS "${SUPPORTED_MATCH_FINDERS}" CACHE STRING
|
|
"Match finders to support (at least one is required for LZMA1 or LZMA2)")
|
|
|
|
foreach(MF IN LISTS MATCH_FINDERS)
|
|
if(MF IN_LIST SUPPORTED_MATCH_FINDERS)
|
|
string(TOUPPER "${MF}" MF_UPPER)
|
|
add_compile_definitions("HAVE_MF_${MF_UPPER}")
|
|
else()
|
|
message(FATAL_ERROR "'${MF}' is not a supported match finder")
|
|
endif()
|
|
endforeach()
|
|
|
|
|
|
#############
|
|
# Threading #
|
|
#############
|
|
|
|
# Supported threading methods:
|
|
# ON - autodetect the best threading method. The autodetection will
|
|
# prefer Windows threading (win95 or vista) over posix if both are
|
|
# available. vista threads will be used over win95 unless it is a
|
|
# 32-bit build.
|
|
# OFF - Disable threading.
|
|
# posix - Use posix threading (pthreads), or throw an error if not available.
|
|
# win95 - Use Windows win95 threading, or throw an error if not available.
|
|
# vista - Use Windows vista threading, or throw an error if not available.
|
|
set(SUPPORTED_THREADING_METHODS ON OFF posix win95 vista)
|
|
|
|
set(ENABLE_THREADS ON CACHE STRING
|
|
"Threading method: Set to 'ON' to autodetect, 'OFF' to disable threading.")
|
|
|
|
# Create dropdown in CMake GUI since only 1 threading method is possible
|
|
# to select in a build.
|
|
set_property(CACHE ENABLE_THREADS
|
|
PROPERTY STRINGS "${SUPPORTED_THREADING_METHODS}")
|
|
|
|
# This is a flag variable set when win95 threads are used. We must ensure
|
|
# the combination of enable_small and win95 threads is not used without a
|
|
# compiler supporting attribute __constructor__.
|
|
set(USE_WIN95_THREADS OFF)
|
|
|
|
# This is a flag variable set when posix threads (pthreads) are used.
|
|
# It's needed when creating liblzma-config.cmake where dependency on
|
|
# Threads::Threads is only needed with pthreads.
|
|
set(USE_POSIX_THREADS OFF)
|
|
|
|
if(NOT ENABLE_THREADS IN_LIST SUPPORTED_THREADING_METHODS)
|
|
message(FATAL_ERROR "'${ENABLE_THREADS}' is not a supported "
|
|
"threading method")
|
|
endif()
|
|
|
|
if(ENABLE_THREADS)
|
|
# Also set THREADS_PREFER_PTHREAD_FLAG since the flag has no effect
|
|
# for Windows threading.
|
|
set(THREADS_PREFER_PTHREAD_FLAG TRUE)
|
|
find_package(Threads REQUIRED)
|
|
|
|
# If both Windows and posix threading are available, prefer Windows.
|
|
# Note that on Cygwin CMAKE_USE_WIN32_THREADS_INIT is false.
|
|
if(CMAKE_USE_WIN32_THREADS_INIT AND NOT ENABLE_THREADS STREQUAL "posix")
|
|
if(ENABLE_THREADS STREQUAL "win95"
|
|
OR (ENABLE_THREADS STREQUAL "ON"
|
|
AND CMAKE_SIZEOF_VOID_P EQUAL 4))
|
|
# Use Windows 95 (and thus XP) compatible threads.
|
|
# This avoids use of features that were added in
|
|
# Windows Vista. This is used for 32-bit x86 builds for
|
|
# compatibility reasons since it makes no measurable difference
|
|
# in performance compared to Vista threads.
|
|
set(USE_WIN95_THREADS ON)
|
|
add_compile_definitions(MYTHREAD_WIN95)
|
|
else()
|
|
add_compile_definitions(MYTHREAD_VISTA)
|
|
endif()
|
|
elseif(CMAKE_USE_PTHREADS_INIT)
|
|
if(ENABLE_THREADS STREQUAL "posix" OR ENABLE_THREADS STREQUAL "ON")
|
|
# The threading library only needs to be explicitly linked
|
|
# for posix threads, so this is needed for creating
|
|
# liblzma-config.cmake later.
|
|
set(USE_POSIX_THREADS ON)
|
|
|
|
target_link_libraries(liblzma Threads::Threads)
|
|
add_compile_definitions(MYTHREAD_POSIX)
|
|
|
|
# Check if pthread_condattr_setclock() exists to
|
|
# use CLOCK_MONOTONIC.
|
|
if(HAVE_CLOCK_MONOTONIC)
|
|
list(INSERT CMAKE_REQUIRED_LIBRARIES 0
|
|
"${CMAKE_THREAD_LIBS_INIT}")
|
|
check_symbol_exists(pthread_condattr_setclock pthread.h
|
|
HAVE_PTHREAD_CONDATTR_SETCLOCK)
|
|
tuklib_add_definition_if(ALL HAVE_PTHREAD_CONDATTR_SETCLOCK)
|
|
endif()
|
|
else()
|
|
message(SEND_ERROR
|
|
"Windows threading method was requested but a compatible "
|
|
"library could not be found")
|
|
endif()
|
|
else()
|
|
message(SEND_ERROR "No supported threading library found")
|
|
endif()
|
|
|
|
target_sources(liblzma PRIVATE
|
|
src/common/tuklib_cpucores.c
|
|
src/common/tuklib_cpucores.h
|
|
src/liblzma/common/hardware_cputhreads.c
|
|
src/liblzma/common/outqueue.c
|
|
src/liblzma/common/outqueue.h
|
|
)
|
|
endif()
|
|
|
|
|
|
############
|
|
# Encoders #
|
|
############
|
|
|
|
set(SIMPLE_FILTERS
|
|
x86
|
|
arm
|
|
armthumb
|
|
arm64
|
|
powerpc
|
|
ia64
|
|
sparc
|
|
riscv
|
|
)
|
|
|
|
# The SUPPORTED_FILTERS are shared between Encoders and Decoders
|
|
# since only lzip does not appear in both lists. lzip is a special
|
|
# case anyway, so it is handled separately in the Decoders section.
|
|
set(SUPPORTED_FILTERS
|
|
lzma1
|
|
lzma2
|
|
delta
|
|
"${SIMPLE_FILTERS}"
|
|
)
|
|
|
|
set(ENCODERS "${SUPPORTED_FILTERS}" CACHE STRING "Encoders to support")
|
|
|
|
# If LZMA2 is enabled, then LZMA1 must also be enabled.
|
|
if(NOT "lzma1" IN_LIST ENCODERS AND "lzma2" IN_LIST ENCODERS)
|
|
message(FATAL_ERROR "LZMA2 encoder requires that LZMA1 is also enabled")
|
|
endif()
|
|
|
|
# If LZMA1 is enabled, then at least one match finder must be enabled.
|
|
if(MATCH_FINDERS STREQUAL "" AND "lzma1" IN_LIST ENCODERS)
|
|
message(FATAL_ERROR "At least 1 match finder is required for an "
|
|
"LZ-based encoder")
|
|
endif()
|
|
|
|
set(HAVE_DELTA_CODER OFF)
|
|
set(SIMPLE_ENCODERS OFF)
|
|
set(HAVE_ENCODERS OFF)
|
|
|
|
foreach(ENCODER IN LISTS ENCODERS)
|
|
if(ENCODER IN_LIST SUPPORTED_FILTERS)
|
|
set(HAVE_ENCODERS ON)
|
|
|
|
if(NOT SIMPLE_ENCODERS AND ENCODER IN_LIST SIMPLE_FILTERS)
|
|
set(SIMPLE_ENCODERS ON)
|
|
endif()
|
|
|
|
string(TOUPPER "${ENCODER}" ENCODER_UPPER)
|
|
add_compile_definitions("HAVE_ENCODER_${ENCODER_UPPER}")
|
|
else()
|
|
message(FATAL_ERROR "'${ENCODER}' is not a supported encoder")
|
|
endif()
|
|
endforeach()
|
|
|
|
if(HAVE_ENCODERS)
|
|
add_compile_definitions(HAVE_ENCODERS)
|
|
|
|
target_sources(liblzma PRIVATE
|
|
src/liblzma/common/alone_encoder.c
|
|
src/liblzma/common/block_buffer_encoder.c
|
|
src/liblzma/common/block_buffer_encoder.h
|
|
src/liblzma/common/block_encoder.c
|
|
src/liblzma/common/block_encoder.h
|
|
src/liblzma/common/block_header_encoder.c
|
|
src/liblzma/common/easy_buffer_encoder.c
|
|
src/liblzma/common/easy_encoder.c
|
|
src/liblzma/common/easy_encoder_memusage.c
|
|
src/liblzma/common/filter_buffer_encoder.c
|
|
src/liblzma/common/filter_encoder.c
|
|
src/liblzma/common/filter_encoder.h
|
|
src/liblzma/common/filter_flags_encoder.c
|
|
src/liblzma/common/index_encoder.c
|
|
src/liblzma/common/index_encoder.h
|
|
src/liblzma/common/stream_buffer_encoder.c
|
|
src/liblzma/common/stream_encoder.c
|
|
src/liblzma/common/stream_flags_encoder.c
|
|
src/liblzma/common/vli_encoder.c
|
|
)
|
|
|
|
if(ENABLE_THREADS)
|
|
target_sources(liblzma PRIVATE
|
|
src/liblzma/common/stream_encoder_mt.c
|
|
)
|
|
endif()
|
|
|
|
if(SIMPLE_ENCODERS)
|
|
target_sources(liblzma PRIVATE
|
|
src/liblzma/simple/simple_encoder.c
|
|
src/liblzma/simple/simple_encoder.h
|
|
)
|
|
endif()
|
|
|
|
if("lzma1" IN_LIST ENCODERS)
|
|
target_sources(liblzma PRIVATE
|
|
src/liblzma/lzma/lzma_encoder.c
|
|
src/liblzma/lzma/lzma_encoder.h
|
|
src/liblzma/lzma/lzma_encoder_optimum_fast.c
|
|
src/liblzma/lzma/lzma_encoder_optimum_normal.c
|
|
src/liblzma/lzma/lzma_encoder_private.h
|
|
src/liblzma/lzma/fastpos.h
|
|
src/liblzma/lz/lz_encoder.c
|
|
src/liblzma/lz/lz_encoder.h
|
|
src/liblzma/lz/lz_encoder_hash.h
|
|
src/liblzma/lz/lz_encoder_hash_table.h
|
|
src/liblzma/lz/lz_encoder_mf.c
|
|
src/liblzma/rangecoder/price.h
|
|
src/liblzma/rangecoder/price_table.c
|
|
src/liblzma/rangecoder/range_encoder.h
|
|
)
|
|
|
|
if(NOT ENABLE_SMALL)
|
|
target_sources(liblzma PRIVATE src/liblzma/lzma/fastpos_table.c)
|
|
endif()
|
|
endif()
|
|
|
|
if("lzma2" IN_LIST ENCODERS)
|
|
target_sources(liblzma PRIVATE
|
|
src/liblzma/lzma/lzma2_encoder.c
|
|
src/liblzma/lzma/lzma2_encoder.h
|
|
)
|
|
endif()
|
|
|
|
if("delta" IN_LIST ENCODERS)
|
|
set(HAVE_DELTA_CODER ON)
|
|
target_sources(liblzma PRIVATE
|
|
src/liblzma/delta/delta_encoder.c
|
|
src/liblzma/delta/delta_encoder.h
|
|
)
|
|
endif()
|
|
endif()
|
|
|
|
|
|
############
|
|
# Decoders #
|
|
############
|
|
|
|
set(DECODERS "${SUPPORTED_FILTERS}" CACHE STRING "Decoders to support")
|
|
|
|
set(SIMPLE_DECODERS OFF)
|
|
set(HAVE_DECODERS OFF)
|
|
|
|
foreach(DECODER IN LISTS DECODERS)
|
|
if(DECODER IN_LIST SUPPORTED_FILTERS)
|
|
set(HAVE_DECODERS ON)
|
|
|
|
if(NOT SIMPLE_DECODERS AND DECODER IN_LIST SIMPLE_FILTERS)
|
|
set(SIMPLE_DECODERS ON)
|
|
endif()
|
|
|
|
string(TOUPPER "${DECODER}" DECODER_UPPER)
|
|
add_compile_definitions("HAVE_DECODER_${DECODER_UPPER}")
|
|
else()
|
|
message(FATAL_ERROR "'${DECODER}' is not a supported decoder")
|
|
endif()
|
|
endforeach()
|
|
|
|
if(HAVE_DECODERS)
|
|
add_compile_definitions(HAVE_DECODERS)
|
|
|
|
target_sources(liblzma PRIVATE
|
|
src/liblzma/common/alone_decoder.c
|
|
src/liblzma/common/alone_decoder.h
|
|
src/liblzma/common/auto_decoder.c
|
|
src/liblzma/common/block_buffer_decoder.c
|
|
src/liblzma/common/block_decoder.c
|
|
src/liblzma/common/block_decoder.h
|
|
src/liblzma/common/block_header_decoder.c
|
|
src/liblzma/common/easy_decoder_memusage.c
|
|
src/liblzma/common/file_info.c
|
|
src/liblzma/common/filter_buffer_decoder.c
|
|
src/liblzma/common/filter_decoder.c
|
|
src/liblzma/common/filter_decoder.h
|
|
src/liblzma/common/filter_flags_decoder.c
|
|
src/liblzma/common/index_decoder.c
|
|
src/liblzma/common/index_decoder.h
|
|
src/liblzma/common/index_hash.c
|
|
src/liblzma/common/stream_buffer_decoder.c
|
|
src/liblzma/common/stream_decoder.c
|
|
src/liblzma/common/stream_flags_decoder.c
|
|
src/liblzma/common/stream_decoder.h
|
|
src/liblzma/common/vli_decoder.c
|
|
)
|
|
|
|
if(ENABLE_THREADS)
|
|
target_sources(liblzma PRIVATE
|
|
src/liblzma/common/stream_decoder_mt.c
|
|
)
|
|
endif()
|
|
|
|
if(SIMPLE_DECODERS)
|
|
target_sources(liblzma PRIVATE
|
|
src/liblzma/simple/simple_decoder.c
|
|
src/liblzma/simple/simple_decoder.h
|
|
)
|
|
endif()
|
|
|
|
if("lzma1" IN_LIST DECODERS)
|
|
target_sources(liblzma PRIVATE
|
|
src/liblzma/lzma/lzma_decoder.c
|
|
src/liblzma/lzma/lzma_decoder.h
|
|
src/liblzma/rangecoder/range_decoder.h
|
|
src/liblzma/lz/lz_decoder.c
|
|
src/liblzma/lz/lz_decoder.h
|
|
)
|
|
endif()
|
|
|
|
if("lzma2" IN_LIST DECODERS)
|
|
target_sources(liblzma PRIVATE
|
|
src/liblzma/lzma/lzma2_decoder.c
|
|
src/liblzma/lzma/lzma2_decoder.h
|
|
)
|
|
endif()
|
|
|
|
if("delta" IN_LIST DECODERS)
|
|
set(HAVE_DELTA_CODER ON)
|
|
target_sources(liblzma PRIVATE
|
|
src/liblzma/delta/delta_decoder.c
|
|
src/liblzma/delta/delta_decoder.h
|
|
)
|
|
endif()
|
|
endif()
|
|
|
|
# Some sources must appear if the filter is configured as either
|
|
# an encoder or decoder.
|
|
if("lzma1" IN_LIST ENCODERS OR "lzma1" IN_LIST DECODERS)
|
|
target_sources(liblzma PRIVATE
|
|
src/liblzma/rangecoder/range_common.h
|
|
src/liblzma/lzma/lzma_encoder_presets.c
|
|
src/liblzma/lzma/lzma_common.h
|
|
)
|
|
endif()
|
|
|
|
if(HAVE_DELTA_CODER)
|
|
target_sources(liblzma PRIVATE
|
|
src/liblzma/delta/delta_common.c
|
|
src/liblzma/delta/delta_common.h
|
|
src/liblzma/delta/delta_private.h
|
|
)
|
|
endif()
|
|
|
|
if(SIMPLE_ENCODERS OR SIMPLE_DECODERS)
|
|
target_sources(liblzma PRIVATE
|
|
src/liblzma/simple/simple_coder.c
|
|
src/liblzma/simple/simple_coder.h
|
|
src/liblzma/simple/simple_private.h
|
|
)
|
|
endif()
|
|
|
|
foreach(SIMPLE_CODER IN LISTS SIMPLE_FILTERS)
|
|
if(SIMPLE_CODER IN_LIST ENCODERS OR SIMPLE_CODER IN_LIST DECODERS)
|
|
target_sources(liblzma PRIVATE "src/liblzma/simple/${SIMPLE_CODER}.c")
|
|
endif()
|
|
endforeach()
|
|
|
|
|
|
#############
|
|
# MicroLZMA #
|
|
#############
|
|
|
|
option(MICROLZMA_ENCODER
|
|
"MicroLZMA encoder (needed by specific applications only)" ON)
|
|
|
|
option(MICROLZMA_DECODER
|
|
"MicroLZMA decoder (needed by specific applications only)" ON)
|
|
|
|
if(MICROLZMA_ENCODER)
|
|
if(NOT "lzma1" IN_LIST ENCODERS)
|
|
message(FATAL_ERROR "The LZMA1 encoder is required to support the "
|
|
"MicroLZMA encoder")
|
|
endif()
|
|
|
|
target_sources(liblzma PRIVATE src/liblzma/common/microlzma_encoder.c)
|
|
endif()
|
|
|
|
if(MICROLZMA_DECODER)
|
|
if(NOT "lzma1" IN_LIST DECODERS)
|
|
message(FATAL_ERROR "The LZMA1 decoder is required to support the "
|
|
"MicroLZMA decoder")
|
|
endif()
|
|
|
|
target_sources(liblzma PRIVATE src/liblzma/common/microlzma_decoder.c)
|
|
endif()
|
|
|
|
|
|
#############################
|
|
# lzip (.lz) format support #
|
|
#############################
|
|
|
|
option(LZIP_DECODER "Support lzip decoder" ON)
|
|
|
|
if(LZIP_DECODER)
|
|
# If lzip decoder support is requested, make sure LZMA1 decoder is enabled.
|
|
if(NOT "lzma1" IN_LIST DECODERS)
|
|
message(FATAL_ERROR "The LZMA1 decoder is required to support the "
|
|
"lzip decoder")
|
|
endif()
|
|
|
|
add_compile_definitions(HAVE_LZIP_DECODER)
|
|
|
|
target_sources(liblzma PRIVATE
|
|
src/liblzma/common/lzip_decoder.c
|
|
src/liblzma/common/lzip_decoder.h
|
|
)
|
|
endif()
|
|
|
|
|
|
##############
|
|
# Sandboxing #
|
|
##############
|
|
|
|
# ON Use sandboxing if a supported method is available in the OS.
|
|
# OFF Disable sandboxing.
|
|
# capsicum Require Capsicum (FreeBSD >= 10.2) and fail if not found.
|
|
# pledge Require pledge(2) (OpenBSD >= 5.9) and fail if not found.
|
|
# landlock Require Landlock (Linux >= 5.13) and fail if not found.
|
|
set(SUPPORTED_SANDBOX_METHODS ON OFF capsicum pledge landlock)
|
|
|
|
set(ENABLE_SANDBOX ON CACHE STRING
|
|
"Sandboxing method to use in 'xz', 'xzdec', and 'lzmadec'")
|
|
|
|
set_property(CACHE ENABLE_SANDBOX
|
|
PROPERTY STRINGS "${SUPPORTED_SANDBOX_METHODS}")
|
|
|
|
if(NOT ENABLE_SANDBOX IN_LIST SUPPORTED_SANDBOX_METHODS)
|
|
message(FATAL_ERROR "'${ENABLE_SANDBOX}' is not a supported "
|
|
"sandboxing method")
|
|
endif()
|
|
|
|
# When autodetecting, the search order is fixed and we must not find
|
|
# more than one method.
|
|
if(ENABLE_SANDBOX STREQUAL "OFF")
|
|
set(SANDBOX_FOUND ON)
|
|
else()
|
|
set(SANDBOX_FOUND OFF)
|
|
endif()
|
|
|
|
# Since xz and xzdec can both use sandboxing, the compile definition needed
|
|
# to use the sandbox must be added to both targets.
|
|
set(SANDBOX_COMPILE_DEFINITION OFF)
|
|
|
|
# Sandboxing: Capsicum
|
|
if(NOT SANDBOX_FOUND AND ENABLE_SANDBOX MATCHES "^ON$|^capsicum$")
|
|
check_symbol_exists(cap_rights_limit sys/capsicum.h
|
|
HAVE_CAP_RIGHTS_LIMIT)
|
|
if(HAVE_CAP_RIGHTS_LIMIT)
|
|
set(SANDBOX_COMPILE_DEFINITION "HAVE_CAP_RIGHTS_LIMIT")
|
|
set(SANDBOX_FOUND ON)
|
|
endif()
|
|
endif()
|
|
|
|
# Sandboxing: pledge(2)
|
|
if(NOT SANDBOX_FOUND AND ENABLE_SANDBOX MATCHES "^ON$|^pledge$")
|
|
check_symbol_exists(pledge unistd.h HAVE_PLEDGE)
|
|
if(HAVE_PLEDGE)
|
|
set(SANDBOX_COMPILE_DEFINITION "HAVE_PLEDGE")
|
|
set(SANDBOX_FOUND ON)
|
|
endif()
|
|
endif()
|
|
|
|
# Sandboxing: Landlock
|
|
if(NOT SANDBOX_FOUND AND ENABLE_SANDBOX MATCHES "^ON$|^landlock$")
|
|
# A compile check is done here because some systems have
|
|
# linux/landlock.h, but do not have the syscalls defined
|
|
# in order to actually use Linux Landlock.
|
|
check_c_source_compiles("
|
|
#include <linux/landlock.h>
|
|
#include <sys/syscall.h>
|
|
#include <sys/prctl.h>
|
|
|
|
void my_sandbox(void)
|
|
{
|
|
(void)prctl(PR_SET_NO_NEW_PRIVS, 1, 0, 0, 0);
|
|
(void)SYS_landlock_create_ruleset;
|
|
(void)SYS_landlock_restrict_self;
|
|
(void)LANDLOCK_CREATE_RULESET_VERSION;
|
|
return;
|
|
}
|
|
|
|
int main(void) { return 0; }
|
|
"
|
|
HAVE_LINUX_LANDLOCK)
|
|
|
|
if(HAVE_LINUX_LANDLOCK)
|
|
set(SANDBOX_COMPILE_DEFINITION "HAVE_LINUX_LANDLOCK")
|
|
set(SANDBOX_FOUND ON)
|
|
|
|
# Of our three sandbox methods, only Landlock is incompatible
|
|
# with -fsanitize. FreeBSD 13.2 with Capsicum was tested with
|
|
# -fsanitize=address,undefined and had no issues. OpenBSD (as
|
|
# of version 7.4) has minimal support for process instrumentation.
|
|
# OpenBSD does not distribute the additional libraries needed
|
|
# (libasan, libubsan, etc.) with GCC or Clang needed for runtime
|
|
# sanitization support and instead only support
|
|
# -fsanitize-minimal-runtime for minimal undefined behavior
|
|
# sanitization. This minimal support is compatible with our use
|
|
# of the Pledge sandbox. So only Landlock will result in a
|
|
# build that cannot compress or decompress a single file to
|
|
# standard out.
|
|
if(CMAKE_C_FLAGS MATCHES "-fsanitize=")
|
|
message(SEND_ERROR
|
|
"CMAKE_C_FLAGS or the environment variable CFLAGS "
|
|
"contains '-fsanitize=' which is incompatible "
|
|
"with Landlock sandboxing. Use -DENABLE_SANDBOX=OFF "
|
|
"as an argument to 'cmake' when using '-fsanitize'.")
|
|
endif()
|
|
endif()
|
|
endif()
|
|
|
|
if(NOT SANDBOX_FOUND AND NOT ENABLE_SANDBOX MATCHES "^ON$|^OFF$")
|
|
message(SEND_ERROR "ENABLE_SANDBOX=${ENABLE_SANDBOX} was used but "
|
|
"support for the sandboxing method wasn't found.")
|
|
endif()
|
|
|
|
###
|
|
|
|
# Put the tuklib functions under the lzma_ namespace.
|
|
target_compile_definitions(liblzma PRIVATE TUKLIB_SYMBOL_PREFIX=lzma_)
|
|
tuklib_cpucores(liblzma)
|
|
tuklib_physmem(liblzma)
|
|
|
|
# While liblzma can be built without tuklib_cpucores or tuklib_physmem
|
|
# modules, the liblzma API functions lzma_cputhreads() and lzma_physmem()
|
|
# will then be useless (which isn't too bad but still unfortunate). Since
|
|
# I expect the CMake-based builds to be only used on systems that are
|
|
# supported by these tuklib modules, problems with these tuklib modules
|
|
# are considered a hard error for now. This hopefully helps to catch bugs
|
|
# in the CMake versions of the tuklib checks.
|
|
if(NOT TUKLIB_CPUCORES_FOUND OR NOT TUKLIB_PHYSMEM_FOUND)
|
|
# Use SEND_ERROR instead of FATAL_ERROR. If someone reports a bug,
|
|
# seeing the results of the remaining checks can be useful too.
|
|
message(SEND_ERROR
|
|
"tuklib_cpucores() or tuklib_physmem() failed. "
|
|
"Unless you really are building for a system where these "
|
|
"modules are not supported (unlikely), this is a bug in the "
|
|
"included cmake/tuklib_*.cmake files that should be fixed. "
|
|
"To build anyway, edit this CMakeLists.txt to ignore this error.")
|
|
endif()
|
|
|
|
# Check for __attribute__((__constructor__)) support.
|
|
# This needs -Werror because some compilers just warn
|
|
# about this being unsupported.
|
|
cmake_push_check_state()
|
|
set(CMAKE_REQUIRED_FLAGS "-Werror")
|
|
check_c_source_compiles("
|
|
__attribute__((__constructor__))
|
|
static void my_constructor_func(void) { return; }
|
|
int main(void) { return 0; }
|
|
"
|
|
HAVE_FUNC_ATTRIBUTE_CONSTRUCTOR)
|
|
cmake_pop_check_state()
|
|
tuklib_add_definition_if(liblzma HAVE_FUNC_ATTRIBUTE_CONSTRUCTOR)
|
|
|
|
# The Win95 threading lacks a thread-safe one-time initialization function.
|
|
# The one-time initialization is needed for crc32_small.c and crc64_small.c
|
|
# create the CRC tables. So if small mode is enabled, the threading mode is
|
|
# win95, and the compiler does not support attribute constructor, then we
|
|
# would end up with a multithreaded build that is thread-unsafe. As a
|
|
# result this configuration is not allowed.
|
|
if(USE_WIN95_THREADS AND ENABLE_SMALL AND NOT HAVE_FUNC_ATTRIBUTE_CONSTRUCTOR)
|
|
message(SEND_ERROR "Threading method win95 and ENABLE_SMALL "
|
|
"cannot be used at the same time with a compiler "
|
|
"that doesn't support "
|
|
"__attribute__((__constructor__))")
|
|
endif()
|
|
|
|
|
|
# cpuid.h
|
|
check_include_file(cpuid.h HAVE_CPUID_H)
|
|
tuklib_add_definition_if(liblzma HAVE_CPUID_H)
|
|
|
|
# immintrin.h:
|
|
check_include_file(immintrin.h HAVE_IMMINTRIN_H)
|
|
if(HAVE_IMMINTRIN_H)
|
|
target_compile_definitions(liblzma PRIVATE HAVE_IMMINTRIN_H)
|
|
|
|
# SSE2 intrinsics:
|
|
check_c_source_compiles("
|
|
#include <immintrin.h>
|
|
int main(void)
|
|
{
|
|
__m128i x = { 0 };
|
|
_mm_movemask_epi8(x);
|
|
return 0;
|
|
}
|
|
"
|
|
HAVE__MM_MOVEMASK_EPI8)
|
|
tuklib_add_definition_if(liblzma HAVE__MM_MOVEMASK_EPI8)
|
|
|
|
# CLMUL intrinsic:
|
|
option(ALLOW_CLMUL_CRC "Allow carryless multiplication for CRC \
|
|
calculation if supported by the system" ON)
|
|
|
|
if(ALLOW_CLMUL_CRC)
|
|
check_c_source_compiles("
|
|
#include <immintrin.h>
|
|
#if defined(__e2k__) && __iset__ < 6
|
|
# error
|
|
#endif
|
|
#if (defined(__GNUC__) || defined(__clang__)) \
|
|
&& !defined(__EDG__)
|
|
__attribute__((__target__(\"ssse3,sse4.1,pclmul\")))
|
|
#endif
|
|
__m128i my_clmul(__m128i a)
|
|
{
|
|
const __m128i b = _mm_set_epi64x(1, 2);
|
|
return _mm_clmulepi64_si128(a, b, 0);
|
|
}
|
|
int main(void) { return 0; }
|
|
"
|
|
HAVE_USABLE_CLMUL)
|
|
tuklib_add_definition_if(liblzma HAVE_USABLE_CLMUL)
|
|
endif()
|
|
endif()
|
|
|
|
# ARM64 C Language Extensions define CRC32 functions in arm_acle.h.
|
|
# These are supported by at least GCC and Clang which both need
|
|
# __attribute__((__target__("+crc"))), unless the needed compiler flags
|
|
# are used to support the CRC instruction.
|
|
option(ALLOW_ARM64_CRC32 "Allow ARM64 CRC32 instruction if supported by \
|
|
the system" ON)
|
|
|
|
if(ALLOW_ARM64_CRC32)
|
|
check_c_source_compiles("
|
|
#include <stdint.h>
|
|
|
|
#ifndef _MSC_VER
|
|
#include <arm_acle.h>
|
|
#endif
|
|
|
|
#if (defined(__GNUC__) || defined(__clang__)) && !defined(__EDG__)
|
|
__attribute__((__target__(\"+crc\")))
|
|
#endif
|
|
uint32_t my_crc(uint32_t a, uint64_t b)
|
|
{
|
|
return __crc32d(a, b);
|
|
}
|
|
int main(void) { return 0; }
|
|
"
|
|
HAVE_ARM64_CRC32)
|
|
|
|
if(HAVE_ARM64_CRC32)
|
|
target_compile_definitions(liblzma PRIVATE HAVE_ARM64_CRC32)
|
|
|
|
# Check for ARM64 CRC32 instruction runtime detection.
|
|
# getauxval() is supported on Linux.
|
|
check_symbol_exists(getauxval sys/auxv.h HAVE_GETAUXVAL)
|
|
tuklib_add_definition_if(liblzma HAVE_GETAUXVAL)
|
|
|
|
# elf_aux_info() is supported on FreeBSD.
|
|
check_symbol_exists(elf_aux_info sys/auxv.h HAVE_ELF_AUX_INFO)
|
|
tuklib_add_definition_if(liblzma HAVE_ELF_AUX_INFO)
|
|
|
|
# sysctlbyname("hw.optional.armv8_crc32", ...) is supported on Darwin
|
|
# (macOS, iOS, etc.). Note that sysctlbyname() is supported on FreeBSD,
|
|
# NetBSD, and possibly others too but the string is specific to
|
|
# Apple OSes. The C code is responsible for checking
|
|
# defined(__APPLE__) before using
|
|
# sysctlbyname("hw.optional.armv8_crc32", ...).
|
|
check_symbol_exists(sysctlbyname sys/sysctl.h HAVE_SYSCTLBYNAME)
|
|
tuklib_add_definition_if(liblzma HAVE_SYSCTLBYNAME)
|
|
endif()
|
|
endif()
|
|
|
|
|
|
# Symbol visibility support:
|
|
#
|
|
# The C_VISIBILITY_PRESET property takes care of adding the compiler
|
|
# option -fvisibility=hidden (or equivalent) if and only if it is supported.
|
|
#
|
|
# HAVE_VISIBILITY should always be defined to 0 or 1. It tells liblzma
|
|
# if __attribute__((__visibility__("default")))
|
|
# and __attribute__((__visibility__("hidden"))) are supported.
|
|
# Those are useful only when the compiler supports -fvisibility=hidden
|
|
# or such option so HAVE_VISIBILITY should be 1 only when both option and
|
|
# the attribute support are present. HAVE_VISIBILITY is ignored on Windows
|
|
# and Cygwin by the liblzma C code; __declspec(dllexport) is used instead.
|
|
#
|
|
# CMake's GenerateExportHeader module is too fancy since liblzma already
|
|
# has the necessary macros. Instead, check CMake's internal variable
|
|
# CMAKE_C_COMPILE_OPTIONS_VISIBILITY (it's the C-specific variant of
|
|
# CMAKE_<LANG>_COMPILE_OPTIONS_VISIBILITY) which contains the compiler
|
|
# command line option for visibility support. It's empty or unset when
|
|
# visibility isn't supported. (It was added to CMake 2.8.12 in the commit
|
|
# 0e9f4bc00c6b26f254e74063e4026ac33b786513 in 2013.) This way we don't
|
|
# set HAVE_VISIBILITY to 1 when visibility isn't actually supported.
|
|
if(BUILD_SHARED_LIBS AND CMAKE_C_COMPILE_OPTIONS_VISIBILITY)
|
|
set_target_properties(liblzma PROPERTIES C_VISIBILITY_PRESET hidden)
|
|
target_compile_definitions(liblzma PRIVATE HAVE_VISIBILITY=1)
|
|
else()
|
|
target_compile_definitions(liblzma PRIVATE HAVE_VISIBILITY=0)
|
|
endif()
|
|
|
|
if(WIN32)
|
|
if(BUILD_SHARED_LIBS)
|
|
# Add the Windows resource file for liblzma.dll.
|
|
target_sources(liblzma PRIVATE src/liblzma/liblzma_w32res.rc)
|
|
|
|
set_target_properties(liblzma PROPERTIES
|
|
LINK_DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/src/common/common_w32res.rc"
|
|
)
|
|
|
|
# Export the public API symbols with __declspec(dllexport).
|
|
target_compile_definitions(liblzma PRIVATE DLL_EXPORT)
|
|
|
|
if(NOT MSVC)
|
|
# Create a DEF file. The linker puts the ordinal numbers there
|
|
# too so the output from the linker isn't our final file.
|
|
target_link_options(liblzma PRIVATE
|
|
"-Wl,--output-def,liblzma.def.in")
|
|
|
|
# Remove the ordinal numbers from the DEF file so that
|
|
# no one will create an import library that links by ordinal
|
|
# instead of by name. We don't maintain a DEF file so the
|
|
# ordinal numbers aren't stable.
|
|
add_custom_command(TARGET liblzma POST_BUILD
|
|
COMMAND "${CMAKE_COMMAND}"
|
|
-DINPUT_FILE=liblzma.def.in
|
|
-DOUTPUT_FILE=liblzma.def
|
|
-P
|
|
"${CMAKE_CURRENT_SOURCE_DIR}/cmake/remove-ordinals.cmake"
|
|
BYPRODUCTS "liblzma.def"
|
|
VERBATIM)
|
|
endif()
|
|
else()
|
|
# Disable __declspec(dllimport) when linking against static liblzma.
|
|
target_compile_definitions(liblzma INTERFACE LZMA_API_STATIC)
|
|
endif()
|
|
elseif(BUILD_SHARED_LIBS AND SYMBOL_VERSIONING STREQUAL "linux")
|
|
# Note that adding link options doesn't affect static builds
|
|
# but HAVE_SYMBOL_VERSIONS_LINUX must not be used with static builds
|
|
# because it would put symbol versions into the static library which
|
|
# can cause problems. It's clearer if all symver related things are
|
|
# omitted when not building a shared library.
|
|
#
|
|
# NOTE: Set it explicitly to 1 to make it clear that versioning is
|
|
# done unconditionally in the C files.
|
|
target_compile_definitions(liblzma PRIVATE HAVE_SYMBOL_VERSIONS_LINUX=1)
|
|
target_link_options(liblzma PRIVATE
|
|
"-Wl,--version-script=${CMAKE_CURRENT_SOURCE_DIR}/src/liblzma/liblzma_linux.map"
|
|
)
|
|
set_target_properties(liblzma PROPERTIES
|
|
LINK_DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/src/liblzma/liblzma_linux.map"
|
|
)
|
|
elseif(BUILD_SHARED_LIBS AND SYMBOL_VERSIONING STREQUAL "generic")
|
|
target_link_options(liblzma PRIVATE
|
|
"-Wl,--version-script=${CMAKE_CURRENT_SOURCE_DIR}/src/liblzma/liblzma_generic.map"
|
|
)
|
|
set_target_properties(liblzma PROPERTIES
|
|
LINK_DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/src/liblzma/liblzma_generic.map"
|
|
)
|
|
endif()
|
|
|
|
set_target_properties(liblzma PROPERTIES
|
|
# At least for now the package versioning matches the rules used for
|
|
# shared library versioning (excluding development releases) so it is
|
|
# fine to use the package version here.
|
|
SOVERSION "${xz_VERSION_MAJOR}"
|
|
VERSION "${xz_VERSION}"
|
|
|
|
# It's liblzma.so or liblzma.dll, not libliblzma.so or lzma.dll.
|
|
# Avoid the name lzma.dll because it would conflict with LZMA SDK.
|
|
PREFIX ""
|
|
IMPORT_PREFIX ""
|
|
)
|
|
|
|
# Create liblzma-config-version.cmake.
|
|
#
|
|
# FIXME: SameMajorVersion is correct for stable releases but it is wrong
|
|
# for development releases where each release may have incompatible changes.
|
|
include(CMakePackageConfigHelpers)
|
|
write_basic_package_version_file(
|
|
"${CMAKE_CURRENT_BINARY_DIR}/liblzma-config-version.cmake"
|
|
VERSION "${liblzma_VERSION}"
|
|
COMPATIBILITY SameMajorVersion)
|
|
|
|
# Create liblzma-config.cmake. We use this spelling instead of
|
|
# liblzmaConfig.cmake to make find_package work in case insensitive
|
|
# manner even with case sensitive file systems. This gives more consistent
|
|
# behavior between operating systems. This optionally includes a dependency
|
|
# on a threading library, so the contents are created in two separate parts.
|
|
# The "second half" is always needed, so create it first.
|
|
set(LZMA_CONFIG_CONTENTS
|
|
"include(\"\${CMAKE_CURRENT_LIST_DIR}/liblzma-targets.cmake\")
|
|
|
|
if(NOT TARGET LibLZMA::LibLZMA)
|
|
# Be compatible with the spelling used by the FindLibLZMA module. This
|
|
# doesn't use ALIAS because it would make CMake resolve LibLZMA::LibLZMA
|
|
# to liblzma::liblzma instead of keeping the original spelling. Keeping
|
|
# the original spelling is important for good FindLibLZMA compatibility.
|
|
add_library(LibLZMA::LibLZMA INTERFACE IMPORTED)
|
|
set_target_properties(LibLZMA::LibLZMA PROPERTIES
|
|
INTERFACE_LINK_LIBRARIES liblzma::liblzma)
|
|
endif()
|
|
")
|
|
|
|
if(USE_POSIX_THREADS)
|
|
set(LZMA_CONFIG_CONTENTS
|
|
"include(CMakeFindDependencyMacro)
|
|
set(THREADS_PREFER_PTHREAD_FLAG TRUE)
|
|
find_dependency(Threads)
|
|
|
|
${LZMA_CONFIG_CONTENTS}
|
|
")
|
|
endif()
|
|
|
|
file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/liblzma-config.cmake"
|
|
"${LZMA_CONFIG_CONTENTS}")
|
|
|
|
# Create liblzma.pc.
|
|
set(prefix "${CMAKE_INSTALL_PREFIX}")
|
|
set(exec_prefix "${CMAKE_INSTALL_PREFIX}")
|
|
set(libdir "${CMAKE_INSTALL_FULL_LIBDIR}")
|
|
set(includedir "${CMAKE_INSTALL_FULL_INCLUDEDIR}")
|
|
set(PTHREAD_CFLAGS "${CMAKE_THREAD_LIBS_INIT}")
|
|
configure_file(src/liblzma/liblzma.pc.in liblzma.pc
|
|
@ONLY
|
|
NEWLINE_STYLE LF)
|
|
|
|
# Install the library binary. The INCLUDES specifies the include path that
|
|
# is exported for other projects to use but it doesn't install any files.
|
|
install(TARGETS liblzma EXPORT liblzmaTargets
|
|
RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}"
|
|
COMPONENT liblzma_Runtime
|
|
LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}"
|
|
COMPONENT liblzma_Runtime
|
|
NAMELINK_COMPONENT liblzma_Development
|
|
ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}"
|
|
COMPONENT liblzma_Development
|
|
INCLUDES DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}")
|
|
|
|
# Install the liblzma API headers. These use a subdirectory so
|
|
# this has to be done as a separate step.
|
|
install(DIRECTORY src/liblzma/api/
|
|
COMPONENT liblzma_Development
|
|
DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}"
|
|
FILES_MATCHING PATTERN "*.h")
|
|
|
|
# Install the CMake files that other packages can use to find liblzma.
|
|
set(liblzma_INSTALL_CMAKEDIR
|
|
"${CMAKE_INSTALL_LIBDIR}/cmake/liblzma"
|
|
CACHE STRING "Path to liblzma's .cmake files")
|
|
|
|
install(EXPORT liblzmaTargets
|
|
NAMESPACE liblzma::
|
|
FILE liblzma-targets.cmake
|
|
DESTINATION "${liblzma_INSTALL_CMAKEDIR}"
|
|
COMPONENT liblzma_Development)
|
|
|
|
install(FILES "${CMAKE_CURRENT_BINARY_DIR}/liblzma-config.cmake"
|
|
"${CMAKE_CURRENT_BINARY_DIR}/liblzma-config-version.cmake"
|
|
DESTINATION "${liblzma_INSTALL_CMAKEDIR}"
|
|
COMPONENT liblzma_Development)
|
|
|
|
if(NOT MSVC)
|
|
install(FILES "${CMAKE_CURRENT_BINARY_DIR}/liblzma.pc"
|
|
DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig"
|
|
COMPONENT liblzma_Development)
|
|
endif()
|
|
|
|
|
|
#############################################################################
|
|
# Helper functions for installing files
|
|
#############################################################################
|
|
|
|
# For each non-empty element in the list LINK_NAMES, creates symbolic links
|
|
# ${LINK_NAME}${LINK_SUFFIX} -> ${TARGET_NAME} in the directory ${DIR}.
|
|
# The target file should exist because on Cygwin and MSYS2 symlink creation
|
|
# can fail under certain conditions if the target doesn't exist.
|
|
function(my_install_symlinks COMPONENT DIR TARGET_NAME LINK_SUFFIX LINK_NAMES)
|
|
install(CODE "set(D \"\$ENV{DESTDIR}\${CMAKE_INSTALL_PREFIX}/${DIR}\")
|
|
foreach(L ${LINK_NAMES})
|
|
file(CREATE_LINK \"${TARGET_NAME}\"
|
|
\"\${D}/\${L}${LINK_SUFFIX}\"
|
|
SYMBOLIC)
|
|
endforeach()"
|
|
COMPONENT "${COMPONENT}")
|
|
endfunction()
|
|
|
|
# Installs a man page file of a given language ("" for the untranslated file)
|
|
# and optionally its alternative names as symlinks. This is a helper function
|
|
# for my_install_man() below.
|
|
function(my_install_man_lang COMPONENT SRC_FILE MAN_LANG LINK_NAMES)
|
|
# Get the man page section from the filename suffix.
|
|
string(REGEX REPLACE "^.*\.([^/.]+)$" "\\1" MAN_SECTION "${SRC_FILE}")
|
|
|
|
# A few man pages might be missing from translations.
|
|
# Don't attempt to install them or create the related symlinks.
|
|
if(NOT MAN_LANG STREQUAL "" AND NOT EXISTS "${SRC_FILE}")
|
|
return()
|
|
endif()
|
|
|
|
# Installing the file must be done before creating the symlinks
|
|
# due to Cygwin and MSYS2.
|
|
install(FILES "${SRC_FILE}"
|
|
DESTINATION "${CMAKE_INSTALL_MANDIR}/${MAN_LANG}/man${MAN_SECTION}"
|
|
COMPONENT "${COMPONENT}")
|
|
|
|
# Get the basename of the file to be used as the symlink target.
|
|
get_filename_component(BASENAME "${SRC_FILE}" NAME)
|
|
|
|
# LINK_NAMES don't contain the man page filename suffix (like ".1")
|
|
# so it needs to be told to my_install_symlinks.
|
|
my_install_symlinks("${COMPONENT}"
|
|
"${CMAKE_INSTALL_MANDIR}/${MAN_LANG}/man${MAN_SECTION}"
|
|
"${BASENAME}" ".${MAN_SECTION}" "${LINK_NAMES}")
|
|
endfunction()
|
|
|
|
# Installs a man page file and optionally its alternative names as symlinks.
|
|
# Does the same for translations if ENABLE_NLS.
|
|
function(my_install_man COMPONENT SRC_FILE LINK_NAMES)
|
|
my_install_man_lang("${COMPONENT}" "${SRC_FILE}" "" "${LINK_NAMES}")
|
|
|
|
if(ENABLE_NLS)
|
|
# Find the translated versions of this man page.
|
|
get_filename_component(BASENAME "${SRC_FILE}" NAME)
|
|
file(GLOB MAN_FILES "po4a/man/*/${BASENAME}")
|
|
|
|
foreach(F ${MAN_FILES})
|
|
get_filename_component(MAN_LANG "${F}" DIRECTORY)
|
|
get_filename_component(MAN_LANG "${MAN_LANG}" NAME)
|
|
my_install_man_lang("${COMPONENT}" "${F}" "${MAN_LANG}"
|
|
"${LINK_NAMES}")
|
|
endforeach()
|
|
endif()
|
|
endfunction()
|
|
|
|
|
|
#############################################################################
|
|
# libgnu (getopt_long)
|
|
#############################################################################
|
|
|
|
# This mirrors how the Autotools build system handles the getopt_long
|
|
# replacement, calling the object library libgnu since the replacement
|
|
# version comes from Gnulib.
|
|
add_library(libgnu OBJECT)
|
|
|
|
# CMake requires that even an object library must have at least once source
|
|
# file. So we give it a header file that results in no output files.
|
|
#
|
|
# NOTE: Using a file outside the lib directory makes it possible to
|
|
# delete lib/*.h and lib/*.c and still keep the build working if
|
|
# getopt_long replacement isn't needed. It's convenient if one wishes
|
|
# to be certain that no GNU LGPL code gets included in the binaries.
|
|
target_sources(libgnu PRIVATE src/common/sysdefs.h)
|
|
|
|
# The Ninja Generator requires setting the linker language since it cannot
|
|
# guess the programming language of just a header file. Setting this
|
|
# property avoids needing an empty .c file or an non-empty unnecessary .c
|
|
# file.
|
|
set_target_properties(libgnu PROPERTIES LINKER_LANGUAGE C)
|
|
|
|
# Create /lib directory in the build directory and add it to the include path.
|
|
file(MAKE_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/lib")
|
|
target_include_directories(libgnu PUBLIC "${CMAKE_CURRENT_BINARY_DIR}/lib")
|
|
|
|
# Include /lib from the source directory. It does no harm even if none of
|
|
# the Gnulib replacements are used.
|
|
target_include_directories(libgnu PUBLIC lib)
|
|
|
|
# The command line tools need getopt_long in order to parse arguments. If
|
|
# the system does not have a getopt_long implementation we can use the one
|
|
# from Gnulib instead.
|
|
check_symbol_exists(getopt_long getopt.h HAVE_GETOPT_LONG)
|
|
|
|
if(NOT HAVE_GETOPT_LONG)
|
|
# Set the __GETOPT_PREFIX definition to "rpl_" (replacement) to avoid
|
|
# name conflicts with libc symbols. The same prefix is set if using
|
|
# the Autotools build (m4/getopt.m4).
|
|
target_compile_definitions(libgnu PUBLIC "__GETOPT_PREFIX=rpl_")
|
|
|
|
# Create a custom copy command to copy the getopt header to the build
|
|
# directory and re-copy it if it is updated. (Gnulib does it this way
|
|
# because it allows choosing which .in.h files to actually use in the
|
|
# build. We need just getopt.h so this is a bit overcomplicated for
|
|
# a single header file only.)
|
|
add_custom_command(OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/lib/getopt.h"
|
|
COMMAND "${CMAKE_COMMAND}" -E copy
|
|
"${CMAKE_CURRENT_SOURCE_DIR}/lib/getopt.in.h"
|
|
"${CMAKE_CURRENT_BINARY_DIR}/lib/getopt.h"
|
|
MAIN_DEPENDENCY "${CMAKE_CURRENT_SOURCE_DIR}/lib/getopt.in.h"
|
|
VERBATIM)
|
|
|
|
target_sources(libgnu PRIVATE
|
|
lib/getopt1.c
|
|
lib/getopt.c
|
|
lib/getopt_int.h
|
|
lib/getopt-cdefs.h
|
|
lib/getopt-core.h
|
|
lib/getopt-ext.h
|
|
lib/getopt-pfx-core.h
|
|
lib/getopt-pfx-ext.h
|
|
"${CMAKE_CURRENT_BINARY_DIR}/lib/getopt.h"
|
|
)
|
|
endif()
|
|
|
|
|
|
#############################################################################
|
|
# xzdec and lzmadec
|
|
#############################################################################
|
|
|
|
if(HAVE_DECODERS AND (NOT MSVC OR MSVC_VERSION GREATER_EQUAL 1900))
|
|
foreach(XZDEC xzdec lzmadec)
|
|
add_executable("${XZDEC}"
|
|
src/common/sysdefs.h
|
|
src/common/tuklib_common.h
|
|
src/common/tuklib_config.h
|
|
src/common/tuklib_exit.c
|
|
src/common/tuklib_exit.h
|
|
src/common/tuklib_gettext.h
|
|
src/common/tuklib_progname.c
|
|
src/common/tuklib_progname.h
|
|
src/xzdec/xzdec.c
|
|
)
|
|
|
|
target_include_directories("${XZDEC}" PRIVATE
|
|
src/common
|
|
src/liblzma/api
|
|
)
|
|
|
|
target_link_libraries("${XZDEC}" PRIVATE liblzma libgnu)
|
|
|
|
if(WIN32)
|
|
# Add the Windows resource file for xzdec.exe or lzmadec.exe.
|
|
target_sources("${XZDEC}" PRIVATE src/xzdec/xzdec_w32res.rc)
|
|
set_target_properties("${XZDEC}" PROPERTIES
|
|
LINK_DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/src/common/common_w32res.rc"
|
|
)
|
|
endif()
|
|
|
|
if(SANDBOX_COMPILE_DEFINITION)
|
|
target_compile_definitions("${XZDEC}" PRIVATE
|
|
"${SANDBOX_COMPILE_DEFINITION}")
|
|
endif()
|
|
|
|
tuklib_progname("${XZDEC}")
|
|
|
|
install(TARGETS "${XZDEC}"
|
|
RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}"
|
|
COMPONENT "${XZDEC}_Runtime")
|
|
endforeach()
|
|
|
|
# This is the only build-time difference with lzmadec.
|
|
target_compile_definitions(lzmadec PRIVATE "LZMADEC")
|
|
|
|
if(UNIX)
|
|
# NOTE: This puts the lzmadec.1 symlinks into xzdec_Documentation.
|
|
# This isn't great but doing them separately with translated
|
|
# man pages would require extra code. So this has to suffice for now.
|
|
my_install_man(xzdec_Documentation src/xzdec/xzdec.1 lzmadec)
|
|
endif()
|
|
endif()
|
|
|
|
|
|
#############################################################################
|
|
# lzmainfo
|
|
#############################################################################
|
|
|
|
if(HAVE_DECODERS AND (NOT MSVC OR MSVC_VERSION GREATER_EQUAL 1900))
|
|
add_executable(lzmainfo
|
|
src/common/sysdefs.h
|
|
src/common/tuklib_common.h
|
|
src/common/tuklib_config.h
|
|
src/common/tuklib_exit.c
|
|
src/common/tuklib_exit.h
|
|
src/common/tuklib_gettext.h
|
|
src/common/tuklib_progname.c
|
|
src/common/tuklib_progname.h
|
|
src/lzmainfo/lzmainfo.c
|
|
)
|
|
|
|
target_include_directories(lzmainfo PRIVATE
|
|
src/common
|
|
src/liblzma/api
|
|
)
|
|
|
|
target_link_libraries(lzmainfo PRIVATE liblzma libgnu)
|
|
|
|
if(WIN32)
|
|
# Add the Windows resource file for lzmainfo.exe.
|
|
target_sources(lzmainfo PRIVATE src/lzmainfo/lzmainfo_w32res.rc)
|
|
set_target_properties(lzmainfo PROPERTIES
|
|
LINK_DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/src/common/common_w32res.rc"
|
|
)
|
|
endif()
|
|
|
|
tuklib_progname(lzmainfo)
|
|
|
|
# NOTE: The translations are in the "xz" domain and the .mo files are
|
|
# installed as part of the "xz" target.
|
|
if(ENABLE_NLS)
|
|
target_link_libraries(lzmainfo PRIVATE Intl::Intl)
|
|
|
|
target_compile_definitions(lzmainfo PRIVATE
|
|
ENABLE_NLS
|
|
PACKAGE="${TRANSLATION_DOMAIN}"
|
|
LOCALEDIR="${LOCALEDIR_DEFINITION}"
|
|
)
|
|
endif()
|
|
|
|
install(TARGETS lzmainfo
|
|
RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}"
|
|
COMPONENT lzmainfo_Runtime)
|
|
|
|
if(UNIX)
|
|
my_install_man(lzmainfo_Documentation src/lzmainfo/lzmainfo.1 "")
|
|
endif()
|
|
endif()
|
|
|
|
|
|
#############################################################################
|
|
# xz
|
|
#############################################################################
|
|
|
|
if(NOT MSVC OR MSVC_VERSION GREATER_EQUAL 1900)
|
|
add_executable(xz
|
|
src/common/mythread.h
|
|
src/common/sysdefs.h
|
|
src/common/tuklib_common.h
|
|
src/common/tuklib_config.h
|
|
src/common/tuklib_exit.c
|
|
src/common/tuklib_exit.h
|
|
src/common/tuklib_gettext.h
|
|
src/common/tuklib_integer.h
|
|
src/common/tuklib_mbstr.h
|
|
src/common/tuklib_mbstr_fw.c
|
|
src/common/tuklib_mbstr_width.c
|
|
src/common/tuklib_open_stdxxx.c
|
|
src/common/tuklib_open_stdxxx.h
|
|
src/common/tuklib_progname.c
|
|
src/common/tuklib_progname.h
|
|
src/xz/args.c
|
|
src/xz/args.h
|
|
src/xz/coder.c
|
|
src/xz/coder.h
|
|
src/xz/file_io.c
|
|
src/xz/file_io.h
|
|
src/xz/hardware.c
|
|
src/xz/hardware.h
|
|
src/xz/main.c
|
|
src/xz/main.h
|
|
src/xz/message.c
|
|
src/xz/message.h
|
|
src/xz/mytime.c
|
|
src/xz/mytime.h
|
|
src/xz/options.c
|
|
src/xz/options.h
|
|
src/xz/private.h
|
|
src/xz/sandbox.c
|
|
src/xz/sandbox.h
|
|
src/xz/signals.c
|
|
src/xz/signals.h
|
|
src/xz/suffix.c
|
|
src/xz/suffix.h
|
|
src/xz/util.c
|
|
src/xz/util.h
|
|
)
|
|
|
|
target_include_directories(xz PRIVATE
|
|
src/common
|
|
src/liblzma/api
|
|
)
|
|
|
|
if(HAVE_DECODERS)
|
|
target_sources(xz PRIVATE
|
|
src/xz/list.c
|
|
src/xz/list.h
|
|
)
|
|
endif()
|
|
|
|
target_link_libraries(xz PRIVATE liblzma libgnu)
|
|
|
|
target_compile_definitions(xz PRIVATE ASSUME_RAM=128)
|
|
|
|
if(WIN32)
|
|
# Add the Windows resource file for xz.exe.
|
|
target_sources(xz PRIVATE src/xz/xz_w32res.rc)
|
|
set_target_properties(xz PROPERTIES
|
|
LINK_DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/src/common/common_w32res.rc"
|
|
)
|
|
endif()
|
|
|
|
if(SANDBOX_COMPILE_DEFINITION)
|
|
target_compile_definitions(xz PRIVATE "${SANDBOX_COMPILE_DEFINITION}")
|
|
endif()
|
|
|
|
tuklib_progname(xz)
|
|
tuklib_mbstr(xz)
|
|
|
|
check_symbol_exists(optreset getopt.h HAVE_OPTRESET)
|
|
tuklib_add_definition_if(xz HAVE_OPTRESET)
|
|
|
|
check_symbol_exists(posix_fadvise fcntl.h HAVE_POSIX_FADVISE)
|
|
tuklib_add_definition_if(xz HAVE_POSIX_FADVISE)
|
|
|
|
# How to get file time:
|
|
check_struct_has_member("struct stat" st_atim.tv_nsec
|
|
"sys/types.h;sys/stat.h"
|
|
HAVE_STRUCT_STAT_ST_ATIM_TV_NSEC)
|
|
if(HAVE_STRUCT_STAT_ST_ATIM_TV_NSEC)
|
|
tuklib_add_definitions(xz HAVE_STRUCT_STAT_ST_ATIM_TV_NSEC)
|
|
else()
|
|
check_struct_has_member("struct stat" st_atimespec.tv_nsec
|
|
"sys/types.h;sys/stat.h"
|
|
HAVE_STRUCT_STAT_ST_ATIMESPEC_TV_NSEC)
|
|
if(HAVE_STRUCT_STAT_ST_ATIMESPEC_TV_NSEC)
|
|
tuklib_add_definitions(xz HAVE_STRUCT_STAT_ST_ATIMESPEC_TV_NSEC)
|
|
else()
|
|
check_struct_has_member("struct stat" st_atimensec
|
|
"sys/types.h;sys/stat.h"
|
|
HAVE_STRUCT_STAT_ST_ATIMENSEC)
|
|
tuklib_add_definition_if(xz HAVE_STRUCT_STAT_ST_ATIMENSEC)
|
|
endif()
|
|
endif()
|
|
|
|
# How to set file time:
|
|
check_symbol_exists(futimens "sys/types.h;sys/stat.h" HAVE_FUTIMENS)
|
|
if(HAVE_FUTIMENS)
|
|
tuklib_add_definitions(xz HAVE_FUTIMENS)
|
|
else()
|
|
check_symbol_exists(futimes "sys/time.h" HAVE_FUTIMES)
|
|
if(HAVE_FUTIMES)
|
|
tuklib_add_definitions(xz HAVE_FUTIMES)
|
|
else()
|
|
check_symbol_exists(futimesat "sys/time.h" HAVE_FUTIMESAT)
|
|
if(HAVE_FUTIMESAT)
|
|
tuklib_add_definitions(xz HAVE_FUTIMESAT)
|
|
else()
|
|
check_symbol_exists(utimes "sys/time.h" HAVE_UTIMES)
|
|
if(HAVE_UTIMES)
|
|
tuklib_add_definitions(xz HAVE_UTIMES)
|
|
else()
|
|
check_symbol_exists(_futime "sys/utime.h" HAVE__FUTIME)
|
|
if(HAVE__FUTIME)
|
|
tuklib_add_definitions(xz HAVE__FUTIME)
|
|
else()
|
|
check_symbol_exists(utime "utime.h" HAVE_UTIME)
|
|
tuklib_add_definition_if(xz HAVE_UTIME)
|
|
endif()
|
|
endif()
|
|
endif()
|
|
endif()
|
|
endif()
|
|
|
|
if(ENABLE_NLS)
|
|
target_link_libraries(xz PRIVATE Intl::Intl)
|
|
|
|
target_compile_definitions(xz PRIVATE
|
|
ENABLE_NLS
|
|
PACKAGE="${TRANSLATION_DOMAIN}"
|
|
LOCALEDIR="${LOCALEDIR_DEFINITION}"
|
|
)
|
|
|
|
file(STRINGS po/LINGUAS LINGUAS)
|
|
|
|
# Where to find .gmo files. If msgfmt is available, the .po files
|
|
# will be converted as part of the build. Otherwise we will use
|
|
# the pre-generated .gmo files which are included in XZ Utils
|
|
# tarballs by Autotools.
|
|
set(GMO_DIR "${CMAKE_CURRENT_SOURCE_DIR}/po")
|
|
|
|
if(GETTEXT_FOUND)
|
|
# NOTE: gettext_process_po_files' INSTALL_DESTINATION is
|
|
# incompatible with how Autotools requires the .po files to
|
|
# be named. CMake would require each .po file to be named with
|
|
# the translation domain and thus each .po file would need its
|
|
# own language-specific directory (like "po/fi/xz.po"). On top
|
|
# of this, INSTALL_DESTINATION doesn't allow specifying COMPONENT
|
|
# and thus the .mo files go into "Unspecified" component. So we
|
|
# can use gettext_process_po_files to convert the .po files but
|
|
# installation needs to be done with our own code.
|
|
#
|
|
# Also, the .gmo files will go to root of the build directory
|
|
# instead of neatly into a subdirectory. This is hardcoded in
|
|
# CMake's FindGettext.cmake.
|
|
foreach(LANG IN LISTS LINGUAS)
|
|
gettext_process_po_files("${LANG}" ALL
|
|
PO_FILES "${CMAKE_CURRENT_SOURCE_DIR}/po/${LANG}.po")
|
|
endforeach()
|
|
|
|
set(GMO_DIR "${CMAKE_CURRENT_BINARY_DIR}")
|
|
endif()
|
|
|
|
foreach(LANG IN LISTS LINGUAS)
|
|
install(
|
|
FILES "${GMO_DIR}/${LANG}.gmo"
|
|
DESTINATION "${CMAKE_INSTALL_LOCALEDIR}/${LANG}/LC_MESSAGES"
|
|
RENAME "${TRANSLATION_DOMAIN}.mo"
|
|
COMPONENT xz_Runtime)
|
|
endforeach()
|
|
endif()
|
|
|
|
# This command must be before the symlink creation to keep things working
|
|
# on Cygwin and MSYS2 in all cases.
|
|
#
|
|
# - Cygwin can encode symlinks in multiple ways. This can be
|
|
# controlled via the environment variable "CYGWIN". If it contains
|
|
# "winsymlinks:nativestrict" then symlink creation will fail if
|
|
# the link target doesn't exist. This mode isn't the default though.
|
|
# See: https://cygwin.com/faq.html#faq.api.symlinks
|
|
#
|
|
# - MSYS2 supports the same winsymlinks option in the environment
|
|
# variable "MSYS" (not "MSYS2). The default in MSYS2 is to make
|
|
# a copy of the file instead of any kind of symlink. Thus the link
|
|
# target must exist or the creation of the "symlink" (copy) will fail.
|
|
#
|
|
# Our installation order must be such that when a symbolic link is created
|
|
# its target must already exists. There is no race condition for parallel
|
|
# builds because the generated cmake_install.cmake executes serially.
|
|
install(TARGETS xz
|
|
RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}"
|
|
COMPONENT xz_Runtime)
|
|
|
|
if(UNIX)
|
|
option(CREATE_XZ_SYMLINKS "Create unxz and xzcat symlinks" ON)
|
|
option(CREATE_LZMA_SYMLINKS "Create lzma, unlzma, and lzcat symlinks"
|
|
ON)
|
|
set(XZ_LINKS)
|
|
|
|
if(CREATE_XZ_SYMLINKS)
|
|
list(APPEND XZ_LINKS "unxz" "xzcat")
|
|
endif()
|
|
|
|
if(CREATE_LZMA_SYMLINKS)
|
|
list(APPEND XZ_LINKS "lzma" "unlzma" "lzcat")
|
|
endif()
|
|
|
|
# On Cygwin, don't add the .exe suffix to the symlinks.
|
|
#
|
|
# FIXME? Does this make sense on MSYS & MSYS2 where "ln -s"
|
|
# by default makes copies? Inside MSYS & MSYS2 it is possible
|
|
# to execute files without the .exe suffix but not outside
|
|
# (like in Command Prompt). Omitting the suffix matches
|
|
# what configure.ac has done for many years though.
|
|
my_install_symlinks(xz_Runtime "${CMAKE_INSTALL_BINDIR}"
|
|
"xz${CMAKE_EXECUTABLE_SUFFIX}" "" "${XZ_LINKS}")
|
|
|
|
# Install the man pages and (optionally) their symlinks
|
|
# and translations.
|
|
my_install_man(xz_Documentation src/xz/xz.1 "${XZ_LINKS}")
|
|
endif()
|
|
endif()
|
|
|
|
|
|
#############################################################################
|
|
# Scripts
|
|
#############################################################################
|
|
|
|
if(UNIX)
|
|
# NOTE: This isn't as sophisticated as in the Autotools build which
|
|
# uses posix-shell.m4 but hopefully this doesn't need to be either.
|
|
# CMake likely won't be used on as many (old) obscure systems as the
|
|
# Autotools-based builds are.
|
|
if(CMAKE_SYSTEM_NAME STREQUAL "SunOS" AND EXISTS "/usr/xpg4/bin/sh")
|
|
set(POSIX_SHELL_DEFAULT "/usr/xpg4/bin/sh")
|
|
else()
|
|
set(POSIX_SHELL_DEFAULT "/bin/sh")
|
|
endif()
|
|
|
|
set(POSIX_SHELL "${POSIX_SHELL_DEFAULT}" CACHE STRING
|
|
"Shell to use for scripts (xzgrep and others)")
|
|
|
|
# Guess the extra path to add from POSIX_SHELL. Autotools-based build
|
|
# has a separate option --enable-path-for-scripts=PREFIX but this is
|
|
# enough for Solaris.
|
|
set(enable_path_for_scripts)
|
|
get_filename_component(POSIX_SHELL_DIR "${POSIX_SHELL}" DIRECTORY)
|
|
|
|
if(NOT POSIX_SHELL_DIR STREQUAL "/bin" AND
|
|
NOT POSIX_SHELL_DIR STREQUAL "/usr/bin")
|
|
set(enable_path_for_scripts "PATH=${POSIX_SHELL_DIR}:\$PATH")
|
|
endif()
|
|
|
|
set(XZDIFF_LINKS xzcmp)
|
|
set(XZGREP_LINKS xzegrep xzfgrep)
|
|
set(XZMORE_LINKS)
|
|
set(XZLESS_LINKS)
|
|
|
|
if(CREATE_LZMA_SYMLINKS)
|
|
list(APPEND XZDIFF_LINKS lzdiff lzcmp)
|
|
list(APPEND XZGREP_LINKS lzgrep lzegrep lzfgrep)
|
|
list(APPEND XZMORE_LINKS lzmore)
|
|
list(APPEND XZLESS_LINKS lzless)
|
|
endif()
|
|
|
|
set(xz "xz")
|
|
|
|
foreach(S xzdiff xzgrep xzmore xzless)
|
|
configure_file("src/scripts/${S}.in" "${S}"
|
|
@ONLY
|
|
NEWLINE_STYLE LF)
|
|
|
|
install(PROGRAMS "${CMAKE_CURRENT_BINARY_DIR}/${S}"
|
|
DESTINATION "${CMAKE_INSTALL_BINDIR}"
|
|
COMPONENT scripts_Runtime)
|
|
endforeach()
|
|
|
|
# file(CHMOD ...) would need CMake 3.19 so use execute_process instead.
|
|
# Using +x is fine even if umask was 077. If execute bit is set at all
|
|
# then "make install" will set it for group and other access bits too.
|
|
execute_process(COMMAND chmod +x xzdiff xzgrep xzmore xzless
|
|
WORKING_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}")
|
|
|
|
unset(xz)
|
|
unset(POSIX_SHELL)
|
|
unset(enable_path_for_scripts)
|
|
|
|
my_install_symlinks(scripts_Runtime "${CMAKE_INSTALL_BINDIR}" xzdiff ""
|
|
"${XZDIFF_LINKS}")
|
|
|
|
my_install_symlinks(scripts_Runtime "${CMAKE_INSTALL_BINDIR}" xzgrep ""
|
|
"${XZGREP_LINKS}")
|
|
|
|
my_install_symlinks(scripts_Runtime "${CMAKE_INSTALL_BINDIR}" xzmore ""
|
|
"${XZMORE_LINKS}")
|
|
|
|
my_install_symlinks(scripts_Runtime "${CMAKE_INSTALL_BINDIR}" xzless ""
|
|
"${XZLESS_LINKS}")
|
|
|
|
my_install_man(scripts_Documentation src/scripts/xzdiff.1 "${XZDIFF_LINKS}")
|
|
my_install_man(scripts_Documentation src/scripts/xzgrep.1 "${XZGREP_LINKS}")
|
|
my_install_man(scripts_Documentation src/scripts/xzmore.1 "${XZMORE_LINKS}")
|
|
my_install_man(scripts_Documentation src/scripts/xzless.1 "${XZLESS_LINKS}")
|
|
endif()
|
|
|
|
|
|
#############################################################################
|
|
# Documentation
|
|
#############################################################################
|
|
|
|
# Use OPTIONAL because doc/api might not exist. The liblzma API docs
|
|
# can be generated by running "doxygen/update-doxygen".
|
|
install(DIRECTORY doc/api doc/examples
|
|
DESTINATION "${CMAKE_INSTALL_DOCDIR}"
|
|
COMPONENT liblzma_Documentation
|
|
OPTIONAL)
|
|
|
|
# GPLv2 applies to the scripts. If GNU getopt_long is used then
|
|
# LGPLv2.1 applies to the command line tools but, using the
|
|
# section 3 of LGPLv2.1, GNU getopt_long can be handled as GPLv2 too.
|
|
# Thus GPLv2 should be enough here.
|
|
install(FILES AUTHORS
|
|
COPYING
|
|
COPYING.0BSD
|
|
COPYING.GPLv2
|
|
NEWS
|
|
README
|
|
THANKS
|
|
doc/faq.txt
|
|
doc/history.txt
|
|
doc/lzma-file-format.txt
|
|
doc/xz-file-format.txt
|
|
DESTINATION "${CMAKE_INSTALL_DOCDIR}"
|
|
COMPONENT Documentation)
|
|
|
|
|
|
#############################################################################
|
|
# Tests
|
|
#############################################################################
|
|
|
|
include(CTest)
|
|
|
|
if(BUILD_TESTING)
|
|
set(LIBLZMA_TESTS
|
|
test_bcj_exact_size
|
|
test_block_header
|
|
test_check
|
|
test_filter_flags
|
|
test_filter_str
|
|
test_hardware
|
|
test_index
|
|
test_index_hash
|
|
test_lzip_decoder
|
|
test_memlimit
|
|
test_stream_flags
|
|
test_vli
|
|
)
|
|
|
|
# MicroLZMA encoder is needed for both encoder and decoder tests.
|
|
# If MicroLZMA decoder is not configured but LZMA1 decoder is, then
|
|
# test_microlzma will fail to compile because this configuration is
|
|
# not possible in the Autotools build, so the test was not made to
|
|
# support it since it would have required additional changes.
|
|
if (MICROLZMA_ENCODER AND (MICROLZMA_DECODER
|
|
OR NOT "lzma1" IN_LIST DECODERS))
|
|
list(APPEND LIBLZMA_TESTS test_microlzma)
|
|
endif()
|
|
|
|
foreach(TEST IN LISTS LIBLZMA_TESTS)
|
|
add_executable("${TEST}" "tests/${TEST}.c")
|
|
|
|
target_include_directories("${TEST}" PRIVATE
|
|
src/common
|
|
src/liblzma/api
|
|
src/liblzma
|
|
)
|
|
|
|
target_link_libraries("${TEST}" PRIVATE liblzma)
|
|
|
|
# Put the test programs into their own subdirectory so they don't
|
|
# pollute the top-level dir which might contain xz and xzdec.
|
|
set_target_properties("${TEST}" PROPERTIES
|
|
RUNTIME_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/tests_bin"
|
|
)
|
|
|
|
add_test(NAME "${TEST}"
|
|
COMMAND "${CMAKE_CURRENT_BINARY_DIR}/tests_bin/${TEST}"
|
|
)
|
|
|
|
# Set srcdir environment variable so that the tests find their
|
|
# input files from the source tree.
|
|
#
|
|
# Set the return code for skipped tests to match Automake convention.
|
|
set_tests_properties("${TEST}" PROPERTIES
|
|
ENVIRONMENT "srcdir=${CMAKE_CURRENT_SOURCE_DIR}/tests"
|
|
SKIP_RETURN_CODE 77
|
|
)
|
|
endforeach()
|
|
|
|
if(UNIX AND HAVE_DECODERS)
|
|
file(MAKE_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/test_scripts")
|
|
|
|
add_test(NAME test_scripts.sh
|
|
COMMAND "${CMAKE_CURRENT_SOURCE_DIR}/tests/test_scripts.sh" ".."
|
|
WORKING_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/test_scripts"
|
|
)
|
|
|
|
set_tests_properties(test_scripts.sh PROPERTIES
|
|
ENVIRONMENT "srcdir=${CMAKE_CURRENT_SOURCE_DIR}/tests"
|
|
SKIP_RETURN_CODE 77
|
|
)
|
|
endif()
|
|
endif()
|