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From: Adhemerval Zanella <azanella@sourceware.org> To: glibc-cvs@sourceware.org Subject: [glibc/azanella/clang] configure: remove overly restrictive check for clang Date: Thu, 12 May 2022 19:31:04 +0000 (GMT) [thread overview] Message-ID: <20220512193104.42F5E3888C4D@sourceware.org> (raw) https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=07b03a3144e6168d0803eaa2b4884949d4accd11 commit 07b03a3144e6168d0803eaa2b4884949d4accd11 Author: Fangrui Song <maskray@google.com> Date: Sat Sep 25 22:03:08 2021 -0700 configure: remove overly restrictive check for clang Diff: --- configure | 4 ++-- configure.ac | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/configure b/configure index ff2c406b3b..e157dc0b28 100755 --- a/configure +++ b/configure @@ -5289,7 +5289,7 @@ int main () { -#if !defined __GNUC__ || __GNUC__ < 6 || (__GNUC__ == 6 && __GNUC_MINOR__ < 2) +#if (__GNUC__ < 6 || (__GNUC__ == 6 && __GNUC_MINOR__ < 2)) && !defined __clang__ #error insufficient compiler #endif ; @@ -6325,7 +6325,7 @@ else extern char *strstr (const char *, const char *) __asm ("my_strstr"); char *foo (const char *a, const char *b) { - return __builtin_strstr (a, b); + return strstr (a, b); } EOF if { ac_try='${CC-cc} -O3 -S conftest.c -o - | grep -F "my_strstr" > /dev/null' diff --git a/configure.ac b/configure.ac index eb5bc6a131..94a5283d30 100644 --- a/configure.ac +++ b/configure.ac @@ -1060,7 +1060,7 @@ AC_CHECK_PROG_VER(BISON, bison, --version, AC_CACHE_CHECK([if $CC is sufficient to build libc], libc_cv_compiler_ok, [ AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[]], [[ -#if !defined __GNUC__ || __GNUC__ < 6 || (__GNUC__ == 6 && __GNUC_MINOR__ < 2) +#if (__GNUC__ < 6 || (__GNUC__ == 6 && __GNUC_MINOR__ < 2)) && !defined __clang__ #error insufficient compiler #endif]])], [libc_cv_compiler_ok=yes], @@ -1448,7 +1448,7 @@ cat > conftest.c <<\EOF extern char *strstr (const char *, const char *) __asm ("my_strstr"); char *foo (const char *a, const char *b) { - return __builtin_strstr (a, b); + return strstr (a, b); } EOF dnl
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