Now the test scripts detect both
#define HAVE_DECODER_ARM
#define HAVE_DECODER_ARM 1
as support for the ARM filter without confusing it with these:
#define HAVE_DECODER_ARM64
#define HAVE_DECODER_ARM64 1
Previously only the ones ending with " 1" were accepted for
the macros where this kind of confusion was possible.
This should help with Meson support because Meson's built-in
features produce config.h entries that are either
#define FOO 1
#define FOO 0
or:
#define FOO
#undef FOO
The former method has a benefit that one can use "#if FOO" and -Wundef
will catch if a #define is missing (for example, it helps catching
typos). But XZ Utils has to use the latter since it has been
convenient with Autoconf's default behavior.[*] While it's easy to
emulate the Autoconf style (#define FOO 1 vs. no #define at all)
in Meson, it results in clumsy code. Thus it's better to change
the few places in the tests where this difference matters.
[*] While most checks in Autoconf default to the second style above,
a few things use the first style (like AC_CHECK_DECLS). The mix
of both styles is the most confusing as one has to remember which
macro needs #ifdef and which #if. Currently HAVE_VISIBILITY is
only such config.h entry that is 1 or 0. It comes unmodified
from Gnulib's visibility.m4.
Add a new optional second argument: directory of the xz and xzdec
executables. This is need with the CMake build where the binaries
end up in the top-level build directory.
If ../config.h doesn't exist, assume that all encoders and decoders
are available. This will make this script usable from CMake in the
most common build configuration.
NOTE: Since the existence of ../config.h is checked, the working
directory of the test script must be a subdir in the build tree!
Otherwise ../config.h would look outside the build tree.
Use the default check type instead of forcing CRC32 or CRC64.
Now the script doesn't need to check if CRC64 is available.
Fixed a bug where test_compress_* would all fail if arm64 or armthumb
filters were enabled for compression but arm was disabled. Since the
grep tests only checked for "define HAVE_ENCODER_ARM", this would match
on HAVE_ENCODER_ARM64 or HAVE_ENCODER_ARMTHUMB.
Now the config.h feature test requires " 1" at the end to prevent the
prefix problem. have_feature() was also updated for this even though
there were known current bugs affecting it. This is just in case future
features have a similar prefix problem.
The shell parameter expansion using # and ## is not supported in
Solaris 10 Bourne shell (/bin/sh). Even though this is POSIX, it is not fully
portable, so we should avoid it.
This isn't perfect as the scripts can still fail if only
certain filters are disabled. This is still an improvement
as now "make check" has better behavior when all encoders
or decoders are disabled.
Grepping ../config.h is simple and fairly clean but it only
works if config.h was created. CMake builds don't create
config.h but they don't use these test scripts either.
Thanks to Sebastian Andrzej Siewior for reporting the problem.
Thanks to Jia Tan for the original patch which grepped xz
error messages instead of config.h.
I suspect that I used these in the original version because
Autoconf's manual describes that such a trick is needed in
some specific situations for portability reasons. None of those
situations listed on Autoconf 2.71 manual apply to these test
scripts though so this cleans them up.
test_compress.sh now takes one command line argument:
a filename to be tested. If it begins with "compress_generated_"
the file will be created with create_compress_files.
This will allow parallel execution of the slow tests.
Testing compression at level -4 now requires 48 MiB of free store at
compression time and 5 MiB at decompression time.
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
broken. API has changed a lot and it will still change a
little more here and there. The command line tool doesn't
have all the required changes to reflect the API changes, so
it's easy to get "internal error" or trigger assertions.
specification. Simplify things by removing most of the
support for known uncompressed size in most places.
There are some miscellaneous changes here and there too.
The API of liblzma has got many changes and still some
more will be done soon. While most of the code has been
updated, some things are not fixed (the command line tool
will choke with invalid filter chain, if nothing else).
Subblock filter is somewhat broken for now. It will be
updated once the encoded format of the Subblock filter
has been decided.
Lasse Collin
Jia Tan
Jonathan Nieder
Jim Meyering