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From: Adhemerval Zanella <azanella@sourceware.org> To: glibc-cvs@sourceware.org Subject: [glibc/azanella/clang] stdio: Disable attribute (optimize) if compiler does not support it Date: Tue, 10 May 2022 18:26:31 +0000 (GMT) [thread overview] Message-ID: <20220510182631.3242F385624B@sourceware.org> (raw) https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9ae218b0f1f0da691c2c1a580ad244cf4a3f45e7 commit 9ae218b0f1f0da691c2c1a580ad244cf4a3f45e7 Author: Adhemerval Zanella <adhemerval.zanella@linaro.org> Date: Thu Mar 24 15:54:10 2022 -0300 stdio: Disable attribute (optimize) if compiler does not support it Diff: --- stdio-common/tst-printf-bz18872.sh | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/stdio-common/tst-printf-bz18872.sh b/stdio-common/tst-printf-bz18872.sh index 8cf3dc6738..37e4d7b632 100644 --- a/stdio-common/tst-printf-bz18872.sh +++ b/stdio-common/tst-printf-bz18872.sh @@ -31,7 +31,13 @@ cat <<'EOF' Compile do_test without optimization: GCC 4.9/5.0/6.0 takes a long time to build this source. https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67396 */ -__attribute__ ((optimize ("-O0"))) +#if __GNUC_PREREQ (4, 4) || __glibc_has_attribute (__optimize__) +# define attribute_optimize(level) __attribute__ ((optimize (level))) +#else +# define attribute_optimize(level) +#endif + +attribute_optimize ("-O0") int do_test (void) { mtrace ();
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