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https://gitee.com/openharmony/third_party_alsa-lib
synced 2024-11-30 03:00:33 +00:00
25 lines
608 B
Plaintext
25 lines
608 B
Plaintext
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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