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authorTrevor Saunders <tbsaunde+binutils@tbsaunde.org>2016-03-19 21:48:35 -0400
committerTrevor Saunders <tbsaunde+binutils@tbsaunde.org>2016-03-31 07:30:56 -0400
commit6757cf57697d30c73f4e3f314883ad2d8999eac6 (patch)
treece9bd791ba49b4cb58f277209d52f7e7793edb13 /gas/configure
parente4a0c708776681a6839c4335f999e45251e7b991 (diff)
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enable -Wwrite-strings for gas
We add a new AC_SUBST to warning.m4 so that the test if the warning is supported is centralized, but the warning can be enabled per directory. binutils/ChangeLog: 2016-03-31 Trevor Saunders <tbsaunde+binutils@tbsaunde.org> * configure: Regenerate. gprof/ChangeLog: 2016-03-31 Trevor Saunders <tbsaunde+binutils@tbsaunde.org> * configure: Regenerate. ld/ChangeLog: 2016-03-31 Trevor Saunders <tbsaunde+binutils@tbsaunde.org> * configure: Regenerate. opcodes/ChangeLog: 2016-03-31 Trevor Saunders <tbsaunde+binutils@tbsaunde.org> * configure: Regenerate. bfd/ChangeLog: 2016-03-31 Trevor Saunders <tbsaunde+binutils@tbsaunde.org> * configure: Regenerate. * warning.m4: Add WARN_WRITE_STRINGS AC_SUBST. gold/ChangeLog: 2016-03-31 Trevor Saunders <tbsaunde+binutils@tbsaunde.org> * configure: Regenerate. gas/ChangeLog: 2016-03-31 Trevor Saunders <tbsaunde+binutils@tbsaunde.org> * Makefile.am: Add WARN_WRITE_STRINGS to WARN_CFLAGS. * Makefile.in: Regenerate. * configure: Likewise.
Diffstat (limited to 'gas/configure')
-rwxr-xr-xgas/configure20
1 files changed, 18 insertions, 2 deletions
diff --git a/gas/configure b/gas/configure
index 11e6ed4..131dd2d 100755
--- a/gas/configure
+++ b/gas/configure
@@ -640,6 +640,7 @@ target_cpu_type
extra_objects
cgen_cpu_prefix
GDBINIT
+WARN_WRITE_STRINGS
NO_WERROR
WARN_CFLAGS
OTOOL64
@@ -10978,7 +10979,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 10981 "configure"
+#line 10982 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
@@ -11084,7 +11085,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 11087 "configure"
+#line 11088 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
@@ -11745,6 +11746,20 @@ fi
rm -f conftest*
+# Set WARN_WRITE_STRINGS if the compiler supports -Wwrite-strings.
+WARN_WRITE_STRINGS=""
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+__GNUC__
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+ $EGREP "^[0-3]$" >/dev/null 2>&1; then :
+
+else
+ WARN_WRITE_STRINGS="-Wwrite-strings"
+fi
+rm -f conftest*
+
# Check whether --enable-werror was given.
if test "${enable_werror+set}" = set; then :
@@ -11805,6 +11820,7 @@ fi
+
# Generate a header file
ac_config_headers="$ac_config_headers config.h:config.in"