Chip Davis : configure: Make Clang fail optimization arguments it doesn't care about.
Alexandre Julliard
julliard at winehq.org
Thu Apr 9 16:04:46 CDT 2020
Module: wine
Branch: master
Commit: f3b9a4c82689edfc6395ecfd3b221bf0734e43ee
URL: https://source.winehq.org/git/wine.git/?a=commit;h=f3b9a4c82689edfc6395ecfd3b221bf0734e43ee
Author: Chip Davis <cdavis at codeweavers.com>
Date: Wed Apr 8 23:02:25 2020 -0500
configure: Make Clang fail optimization arguments it doesn't care about.
Signed-off-by: Chip Davis <cdavis at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
---
configure | 129 +++++++++++++++++++++++++++++++++++------------------------
configure.ac | 9 +++--
2 files changed, 82 insertions(+), 56 deletions(-)
diff --git a/configure b/configure
index d40ebf82dc..7a47e0ff60 100755
--- a/configure
+++ b/configure
@@ -16869,7 +16869,83 @@ if test "x${GCC}" = "xyes"
then
EXTRACFLAGS="-Wall -pipe"
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports -fcf-protection=none" >&5
+ saved_CFLAGS=$CFLAGS
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking whether the compiler supports -Werror=unknown-warning-option... " >&6; }
+if ${ac_cv_cflags__Werror_unknown_warning_option+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ ac_wine_try_cflags_saved=$CFLAGS
+CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int main(int argc, char **argv) { return 0; }
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ ac_cv_cflags__Werror_unknown_warning_option=yes
+else
+ ac_cv_cflags__Werror_unknown_warning_option=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+CFLAGS=$ac_wine_try_cflags_saved
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cflags__Werror_unknown_warning_option" >&5
+$as_echo "$ac_cv_cflags__Werror_unknown_warning_option" >&6; }
+if test "x$ac_cv_cflags__Werror_unknown_warning_option" = xyes; then :
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+fi
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking whether the compiler supports -Werror=unused-command-line-argument... " >&6; }
+if ${ac_cv_cflags__Werror_unused_command_line_argument+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ ac_wine_try_cflags_saved=$CFLAGS
+CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int main(int argc, char **argv) { return 0; }
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ ac_cv_cflags__Werror_unused_command_line_argument=yes
+else
+ ac_cv_cflags__Werror_unused_command_line_argument=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+CFLAGS=$ac_wine_try_cflags_saved
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cflags__Werror_unused_command_line_argument" >&5
+$as_echo "$ac_cv_cflags__Werror_unused_command_line_argument" >&6; }
+if test "x$ac_cv_cflags__Werror_unused_command_line_argument" = xyes; then :
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+fi
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports -Werror=ignored-optimization-argument" >&5
+$as_echo_n "checking whether the compiler supports -Werror=ignored-optimization-argument... " >&6; }
+if ${ac_cv_cflags__Werror_ignored_optimization_argument+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ ac_wine_try_cflags_saved=$CFLAGS
+CFLAGS="$CFLAGS -Werror=ignored-optimization-argument"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int main(int argc, char **argv) { return 0; }
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ ac_cv_cflags__Werror_ignored_optimization_argument=yes
+else
+ ac_cv_cflags__Werror_ignored_optimization_argument=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+CFLAGS=$ac_wine_try_cflags_saved
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cflags__Werror_ignored_optimization_argument" >&5
+$as_echo "$ac_cv_cflags__Werror_ignored_optimization_argument" >&6; }
+if test "x$ac_cv_cflags__Werror_ignored_optimization_argument" = xyes; then :
+ CFLAGS="$CFLAGS -Werror=ignored-optimization-argument"
+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 :
$as_echo_n "(cached) " >&6
@@ -16969,57 +17045,6 @@ $as_echo "$ac_cv_cflags__fexcess_precision_standard" >&6; }
if test "x$ac_cv_cflags__fexcess_precision_standard" = xyes; then :
EXCESS_PRECISION_CFLAGS="-fexcess-precision=standard"
-fi
- saved_CFLAGS=$CFLAGS
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports -Werror=unknown-warning-option" >&5
-$as_echo_n "checking whether the compiler supports -Werror=unknown-warning-option... " >&6; }
-if ${ac_cv_cflags__Werror_unknown_warning_option+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- ac_wine_try_cflags_saved=$CFLAGS
-CFLAGS="$CFLAGS -Werror=unknown-warning-option"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-int main(int argc, char **argv) { return 0; }
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
- ac_cv_cflags__Werror_unknown_warning_option=yes
-else
- ac_cv_cflags__Werror_unknown_warning_option=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
- conftest$ac_exeext conftest.$ac_ext
-CFLAGS=$ac_wine_try_cflags_saved
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cflags__Werror_unknown_warning_option" >&5
-$as_echo "$ac_cv_cflags__Werror_unknown_warning_option" >&6; }
-if test "x$ac_cv_cflags__Werror_unknown_warning_option" = xyes; then :
- CFLAGS="$CFLAGS -Werror=unknown-warning-option"
-fi
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports -Werror=unused-command-line-argument" >&5
-$as_echo_n "checking whether the compiler supports -Werror=unused-command-line-argument... " >&6; }
-if ${ac_cv_cflags__Werror_unused_command_line_argument+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- ac_wine_try_cflags_saved=$CFLAGS
-CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-int main(int argc, char **argv) { return 0; }
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
- ac_cv_cflags__Werror_unused_command_line_argument=yes
-else
- ac_cv_cflags__Werror_unused_command_line_argument=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
- conftest$ac_exeext conftest.$ac_ext
-CFLAGS=$ac_wine_try_cflags_saved
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cflags__Werror_unused_command_line_argument" >&5
-$as_echo "$ac_cv_cflags__Werror_unused_command_line_argument" >&6; }
-if test "x$ac_cv_cflags__Werror_unused_command_line_argument" = xyes; then :
- CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports -Wdeclaration-after-statement" >&5
$as_echo_n "checking whether the compiler supports -Wdeclaration-after-statement... " >&6; }
diff --git a/configure.ac b/configure.ac
index 6d55f1a661..fb775d7a73 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2004,14 +2004,15 @@ then
EXTRACFLAGS="-Wall -pipe"
dnl Check for some compiler flags
- WINE_TRY_CFLAGS([-fcf-protection=none])
- WINE_TRY_CFLAGS([-fno-stack-protector])
- WINE_TRY_CFLAGS([-fno-strict-aliasing])
- WINE_TRY_CFLAGS([-fexcess-precision=standard],[AC_SUBST(EXCESS_PRECISION_CFLAGS,"-fexcess-precision=standard")])
dnl clang needs to be told to fail on unknown options
saved_CFLAGS=$CFLAGS
WINE_TRY_CFLAGS([-Werror=unknown-warning-option],[CFLAGS="$CFLAGS -Werror=unknown-warning-option"])
WINE_TRY_CFLAGS([-Werror=unused-command-line-argument],[CFLAGS="$CFLAGS -Werror=unused-command-line-argument"])
+ WINE_TRY_CFLAGS([-Werror=ignored-optimization-argument],[CFLAGS="$CFLAGS -Werror=ignored-optimization-argument"])
+ WINE_TRY_CFLAGS([-fcf-protection=none])
+ WINE_TRY_CFLAGS([-fno-stack-protector])
+ WINE_TRY_CFLAGS([-fno-strict-aliasing])
+ WINE_TRY_CFLAGS([-fexcess-precision=standard],[AC_SUBST(EXCESS_PRECISION_CFLAGS,"-fexcess-precision=standard")])
WINE_TRY_CFLAGS([-Wdeclaration-after-statement])
WINE_TRY_CFLAGS([-Wempty-body])
WINE_TRY_CFLAGS([-Wignored-qualifiers])
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