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makefiles: Don't use -fno-builtin flag with MinGW. 

Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Alexandre Julliard 2019-04-24 11:54:14 +02:00
parent 1f0a9c4c29
commit 629f2e10b1
3 changed files with 38 additions and 30 deletions
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60
configure vendored
View File

@ -632,8 +632,8 @@ POLL_LIBS
DL_LIBS
TOOLSEXT
UNWINDFLAGS
EXCESS_PRECISION_CFLAGS
BUILTINFLAG
EXCESS_PRECISION_CFLAGS
EXTRACFLAGS
VKD3D_LIBS
VKD3D_CFLAGS
@ -16568,33 +16568,7 @@ $as_echo "$ac_cv_c_gcc_strength_bug" >&6; }
EXTRACFLAGS="$EXTRACFLAGS -fno-strength-reduce"
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports -fno-builtin" >&5
$as_echo_n "checking whether the compiler supports -fno-builtin... " >&6; }
if ${ac_cv_cflags__fno_builtin+:} false; then :
$as_echo_n "(cached) " >&6
else
ac_wine_try_cflags_saved=$CFLAGS
CFLAGS="$CFLAGS -fno-builtin"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
int main(int argc, char **argv) { return 0; }
_ACEOF
if ac_fn_c_try_link "$LINENO"; then :
ac_cv_cflags__fno_builtin=yes
else
ac_cv_cflags__fno_builtin=no
fi
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
CFLAGS=$ac_wine_try_cflags_saved
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cflags__fno_builtin" >&5
$as_echo "$ac_cv_cflags__fno_builtin" >&6; }
if test "x$ac_cv_cflags__fno_builtin" = xyes; then :
BUILTINFLAG="-fno-builtin"
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports -fno-strict-aliasing" >&5
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports -fno-strict-aliasing" >&5
$as_echo_n "checking whether the compiler supports -fno-strict-aliasing... " >&6; }
if ${ac_cv_cflags__fno_strict_aliasing+:} false; then :
$as_echo_n "(cached) " >&6
@ -17113,6 +17087,36 @@ fi ;;
esac
done
case $host_os in
cygwin*|mingw32*) ;;
*) { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports -fno-builtin" >&5
$as_echo_n "checking whether the compiler supports -fno-builtin... " >&6; }
if ${ac_cv_cflags__fno_builtin+:} false; then :
$as_echo_n "(cached) " >&6
else
ac_wine_try_cflags_saved=$CFLAGS
CFLAGS="$CFLAGS -fno-builtin"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
int main(int argc, char **argv) { return 0; }
_ACEOF
if ac_fn_c_try_link "$LINENO"; then :
ac_cv_cflags__fno_builtin=yes
else
ac_cv_cflags__fno_builtin=no
fi
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
CFLAGS=$ac_wine_try_cflags_saved
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cflags__fno_builtin" >&5
$as_echo "$ac_cv_cflags__fno_builtin" >&6; }
if test "x$ac_cv_cflags__fno_builtin" = xyes; then :
BUILTINFLAG="-fno-builtin"
fi ;;
esac
case $host_cpu in
*i[3456789]86*) { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports -fno-omit-frame-pointer" >&5
$as_echo_n "checking whether the compiler supports -fno-omit-frame-pointer... " >&6; }

7
configure.ac
View File

@ -1937,7 +1937,6 @@ then
fi
dnl Check for some compiler flags
WINE_TRY_CFLAGS([-fno-builtin],[AC_SUBST(BUILTINFLAG,"-fno-builtin")])
WINE_TRY_CFLAGS([-fno-strict-aliasing])
WINE_TRY_CFLAGS([-fexcess-precision=standard],[AC_SUBST(EXCESS_PRECISION_CFLAGS,"-fexcess-precision=standard")])
dnl clang needs to be told to fail on unknown options
@ -1984,6 +1983,12 @@ char*f(const char *h,char n) {return strchr(h,n);}]])],[ac_cv_c_logicalop_noisy=
esac
done
dnl Disable gcc builtins except for Mingw
case $host_os in
cygwin*|mingw32*) ;;
*) WINE_TRY_CFLAGS([-fno-builtin],[AC_SUBST(BUILTINFLAG,"-fno-builtin")]) ;;
esac
dnl gcc-4.6+ omits frame pointers by default, breaking some copy protections
case $host_cpu in
*i[[3456789]]86*) WINE_TRY_CFLAGS([-fno-omit-frame-pointer]) ;;

1
tools/makedep.c
View File

@ -2990,7 +2990,6 @@ static void output_source_default( struct makefile *make, struct incl_file *sour
output_filenames( make->include_args );
output_filenames( make->define_args );
output_filenames( extradefs );
if (make->use_msvcrt) output_filenames( msvcrt_flags );
output_filenames( extra_cross_cflags );
output_filenames( cpp_flags );
output_filename( "$(CROSSCFLAGS)" );