mirror of https://git.tukaani.org/xz.git
48 lines
1.4 KiB
CMake
48 lines
1.4 KiB
CMake
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#
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# tuklib_common.cmake - common functions and macros for tuklib_*.cmake files
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#
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# Author: Lasse Collin
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#
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# This file has been put into the public domain.
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# You can do whatever you want with this file.
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#
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function(tuklib_add_definitions TARGET_OR_ALL DEFINITIONS)
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if(TARGET_OR_ALL STREQUAL "ALL")
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add_compile_definitions(${DEFINITIONS})
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else()
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target_compile_definitions(${TARGET_OR_ALL} PRIVATE ${DEFINITIONS})
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endif()
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endfunction()
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function(tuklib_add_definition_if TARGET_OR_ALL VAR)
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if(${VAR})
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tuklib_add_definitions(${TARGET_OR_ALL} ${VAR})
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endif()
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endfunction()
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# This is an over-simplified version of AC_USE_SYSTEM_EXTENSIONS in Autoconf
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# or gl_USE_SYSTEM_EXTENSIONS in gnulib.
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macro(tuklib_use_system_extensions TARGET_OR_ALL)
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if(NOT WIN32)
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# FIXME? The Solaris-specific __EXTENSIONS__ should be conditional
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# even on Solaris. See gnulib: git log m4/extensions.m4.
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# FIXME? gnulib and autoconf.git has lots of new stuff.
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tuklib_add_definitions(${TARGET_OR_ALL}
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_GNU_SOURCE
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__EXTENSIONS__
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_POSIX_PTHREAD_SEMANTICS
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_TANDEM_SOURCE
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_ALL_SOURCE
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)
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list(APPEND CMAKE_REQUIRED_DEFINITIONS
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-D_GNU_SOURCE
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-D__EXTENSIONS__
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-D_POSIX_PTHREAD_SEMANTICS
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-D_TANDEM_SOURCE
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-D_ALL_SOURCE
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)
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endif()
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endmacro()
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