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authorHaru <haru@dotalux.com>2019-08-25 17:21:24 +0200
committerHaru <haru@dotalux.com>2019-09-22 20:17:33 +0200
commit092e3205ab3be1605c6769fbf774619d13526907 (patch)
tree17f7586816e60fcc6d61d36d090235a454ddd4ae /configure
parent76896e85057760d7f412293b912dce77d9016415 (diff)
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Disable some warnings when compiling with gcc-9
The warning flag -Warray-bounds is currently not compatible with the ZEROED_BLOCK implementation Signed-off-by: Haru <haru@dotalux.com>
Diffstat (limited to 'configure')
-rwxr-xr-xconfigure90
1 files changed, 89 insertions, 1 deletions
diff --git a/configure b/configure
index 65e716b09..957398296 100755
--- a/configure
+++ b/configure
@@ -1,5 +1,5 @@
#! /bin/sh
-# From configure.ac 20c3ecff9.
+# From configure.ac 76896e850.
# Guess values for system-dependent variables and create Makefiles.
# Generated by GNU Autoconf 2.69.
#
@@ -7986,6 +7986,94 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wno-array-bounds" >&5
+$as_echo_n "checking whether $CC supports -Wno-array-bounds... " >&6; }
+ OLD_CFLAGS="$CFLAGS"
+ CFLAGS="$CFLAGS -Werror -Wno-array-bounds"
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int foo;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+ # Recent versions of gcc don't fail if -Wno-foo is not recognized
+ # (unless there are also other warnings), so we also check for -Wfoo
+ # which always fails if not supported
+ CFLAGS="$OLD_CFLAGS -Werror -Warray-bounds"
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int foo;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+ CFLAGS="$OLD_CFLAGS -Wno-array-bounds"
+ # Optionally, run a test
+ if test "x" != "x"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wno-array-bounds" >&5
+$as_echo_n "checking whether $CC can actually use -Wno-array-bounds... " >&6; }
+ CFLAGS="$OLD_CFLAGS -Werror -Warray-bounds"
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: not needed but enabled" >&5
+$as_echo "not needed but enabled" >&6; }
+ CFLAGS="$OLD_CFLAGS"
+
+else
+
+ CFLAGS="$OLD_CFLAGS -Werror -Wno-array-bounds"
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+ CFLAGS="$OLD_CFLAGS -Wno-array-bounds"
+
+else
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+ CFLAGS="$OLD_CFLAGS"
+
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ fi
+
+else
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+ CFLAGS="$OLD_CFLAGS"
+
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+else
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+ CFLAGS="$OLD_CFLAGS"
+
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+
+
# Certain versions of gcc make -Wshadow completely useless by making it flood
# you with unnecessary warnings <https://lkml.org/lkml/2006/11/28/239>
# Let's check if we can really use it