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configure: remove overly restrictive check for clang

This commit is contained in:
Fangrui Song 2021-09-25 22:03:08 -07:00 committed by Adhemerval Zanella
parent 85ab293344
commit a6428cf098
2 changed files with 4 additions and 4 deletions
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4
configure vendored
View File

@ -5778,7 +5778,7 @@ int
main (void)
{
#if !defined __GNUC__ || __GNUC__ < 6 || (__GNUC__ == 6 && __GNUC_MINOR__ < 2)
#if (__GNUC__ < 6 || (__GNUC__ == 6 && __GNUC_MINOR__ < 2)) && !defined __clang__
#error insufficient compiler
#endif
;
@ -7681,7 +7681,7 @@ else case e in #(
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'

4
configure.ac
View File

@ -575,7 +575,7 @@ 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],
@ -1486,7 +1486,7 @@ 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