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https://github.com/alsa-project/alsa-lib.git
synced 2025-11-03 09:01:52 -05:00
c72bbed825
The following error is observed on Microblaze [1] build:
error: symver is only supported on ELF platforms
due to using __attribute__((symver)) on non-ELF platform.
[1] http://autobuild.buildroot.net/results/1e9/1e965d83d75615f35308440c5db044314a349357/build-end.log
ac_check_attribute_symver.m4 was downloaded from
https://github.com/smuellerDD/libkcapi/blob/master/m4/ac_check_attribute_symver.m4
Fixes: https://github.com/alsa-project/alsa-lib/pull/334
Signed-off-by: Tan En De <ende.tan@starfivetech.com>
Signed-off-by: Stephan Mueller <smueller@chronox.de>
Signed-off-by: Bernd Kuhls <bernd@kuhls.net>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
24 lines
608 B
Text
24 lines
608 B
Text
dnl Check compiler support for symver function attribute
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AC_DEFUN([AC_CHECK_ATTRIBUTE_SYMVER], [
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saved_CFLAGS=$CFLAGS
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CFLAGS="-O0 -Werror"
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AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM(
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[[
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void _test_attribute_symver(void);
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__attribute__((__symver__("sym@VER_1.2.3"))) void _test_attribute_symver(void) {}
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]],
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[[
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_test_attribute_symver()
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]]
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)],
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[
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AC_DEFINE([HAVE_ATTRIBUTE_SYMVER], 1, [Define to 1 if __attribute__((symver)) is supported])
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],
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[
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AC_DEFINE([HAVE_ATTRIBUTE_SYMVER], 0, [Define to 0 if __attribute__((symver)) is not supported])
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]
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)
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CFLAGS=$saved_CFLAGS
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])
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