https://github.com/python/cpython/commit/49fc1414b52b31f6ad0408775d160ec0559c33bb
commit: 49fc1414b52b31f6ad0408775d160ec0559c33bb
branch: main
author: Erlend E. Aasland <[email protected]>
committer: erlend-aasland <[email protected]>
date: 2024-04-12T09:37:38+02:00
summary:
gh-117752: Autoconf: fix -fno-semantic-interposition check (#117789)
Force the compiler to issue an error if the flag is not supported.
files:
M configure
M configure.ac
diff --git a/configure b/configure
index 15a645ae84618a..f2e628cee6b2d9 100755
--- a/configure
+++ b/configure
@@ -8241,13 +8241,13 @@ if test "$Py_OPT" = 'true' ; then
*gcc*)
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether C
compiler accepts -fno-semantic-interposition" >&5
printf %s "checking whether C compiler accepts -fno-semantic-interposition...
" >&6; }
-if test ${ax_cv_check_cflags___fno_semantic_interposition+y}
+if test ${ax_cv_check_cflags__Werror__fno_semantic_interposition+y}
then :
printf %s "(cached) " >&6
else $as_nop
ax_check_save_flags=$CFLAGS
- CFLAGS="$CFLAGS -fno-semantic-interposition"
+ CFLAGS="$CFLAGS -Werror -fno-semantic-interposition"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
@@ -8261,16 +8261,16 @@ main (void)
_ACEOF
if ac_fn_c_try_compile "$LINENO"
then :
- ax_cv_check_cflags___fno_semantic_interposition=yes
+ ax_cv_check_cflags__Werror__fno_semantic_interposition=yes
else $as_nop
- ax_cv_check_cflags___fno_semantic_interposition=no
+ ax_cv_check_cflags__Werror__fno_semantic_interposition=no
fi
rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
CFLAGS=$ax_check_save_flags
fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result:
$ax_cv_check_cflags___fno_semantic_interposition" >&5
-printf "%s\n" "$ax_cv_check_cflags___fno_semantic_interposition" >&6; }
-if test "x$ax_cv_check_cflags___fno_semantic_interposition" = xyes
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result:
$ax_cv_check_cflags__Werror__fno_semantic_interposition" >&5
+printf "%s\n" "$ax_cv_check_cflags__Werror__fno_semantic_interposition" >&6; }
+if test "x$ax_cv_check_cflags__Werror__fno_semantic_interposition" = xyes
then :
CFLAGS_NODIST="$CFLAGS_NODIST -fno-semantic-interposition"
diff --git a/configure.ac b/configure.ac
index 359ac2bd8393a9..bcb1169393644b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1799,7 +1799,7 @@ if test "$Py_OPT" = 'true' ; then
AX_CHECK_COMPILE_FLAG([-fno-semantic-interposition],[
CFLAGS_NODIST="$CFLAGS_NODIST -fno-semantic-interposition"
LDFLAGS_NODIST="$LDFLAGS_NODIST -fno-semantic-interposition"
- ])
+ ], [], [-Werror])
;;
esac
elif test "$ac_sys_system" = "Emscripten" -o "$ac_sys_system" = "WASI"; then
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