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configure: Get rid of the gcc strength-reduce bug check. 

Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Alexandre Julliard 2019-12-06 11:10:18 +01:00
parent 684c272aa7
commit 421639ec63
2 changed files with 0 additions and 58 deletions
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42
configure vendored
View File

@ -16833,48 +16833,6 @@ if test "x${GCC}" = "xyes"
then
EXTRACFLAGS="-Wall -pipe"
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for gcc strength-reduce bug" >&5
$as_echo_n "checking for gcc strength-reduce bug... " >&6; }
if ${ac_cv_c_gcc_strength_bug+:} false; then :
$as_echo_n "(cached) " >&6
else
if test "$cross_compiling" = yes; then :
ac_cv_c_gcc_strength_bug="no"
else
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
int L[4] = {0,1,2,3};
int
main ()
{
static int Array[3];
unsigned int B = 3;
int i;
for(i=0; i<B; i++) Array[i] = i - 3;
for(i=0; i<4 - 1; i++) L[i] = L[i + 1];
L[i] = 4;
return (Array[1] != -2 || L[2] != 3)
;
return 0;
}
_ACEOF
if ac_fn_c_try_run "$LINENO"; then :
ac_cv_c_gcc_strength_bug="no"
else
ac_cv_c_gcc_strength_bug="yes"
fi
rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
conftest.$ac_objext conftest.beam conftest.$ac_ext
fi
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_gcc_strength_bug" >&5
$as_echo "$ac_cv_c_gcc_strength_bug" >&6; }
if test "$ac_cv_c_gcc_strength_bug" = "yes"
then
EXTRACFLAGS="$EXTRACFLAGS -fno-strength-reduce"
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports -fcf-protection=none" >&5
$as_echo_n "checking whether the compiler supports -fcf-protection=none... " >&6; }
if ${ac_cv_cflags__fcf_protection_none+:} false; then :

16
configure.ac
View File

@ -2009,22 +2009,6 @@ if test "x${GCC}" = "xyes"
then
EXTRACFLAGS="-Wall -pipe"
dnl Check for strength-reduce bug
AC_CACHE_CHECK( [for gcc strength-reduce bug], ac_cv_c_gcc_strength_bug,
AC_RUN_IFELSE([AC_LANG_PROGRAM([[int L[[4]] = {0,1,2,3};]],
[[static int Array[[3]];
unsigned int B = 3;
int i;
for(i=0; i<B; i++) Array[[i]] = i - 3;
for(i=0; i<4 - 1; i++) L[[i]] = L[[i + 1]];
L[[i]] = 4;
return (Array[[1]] != -2 || L[[2]] != 3)]])],
[ac_cv_c_gcc_strength_bug="no"],[ac_cv_c_gcc_strength_bug="yes"],[ac_cv_c_gcc_strength_bug="no"]) )
if test "$ac_cv_c_gcc_strength_bug" = "yes"
then
EXTRACFLAGS="$EXTRACFLAGS -fno-strength-reduce"
fi
dnl Check for some compiler flags
WINE_TRY_CFLAGS([-fcf-protection=none])
WINE_TRY_CFLAGS([-fno-stack-protector])