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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 /gold
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 'gold')
-rwxr-xr-xgold/configure16
1 files changed, 16 insertions, 0 deletions
diff --git a/gold/configure b/gold/configure
index 7fe771c..d0cfc95 100755
--- a/gold/configure
+++ b/gold/configure
@@ -607,6 +607,7 @@ LFS_CFLAGS
GOLD_LDADD
GOLD_LDFLAGS
WARN_CXXFLAGS
+WARN_WRITE_STRINGS
NO_WERROR
WARN_CFLAGS
IFUNC_STATIC_FALSE
@@ -6718,6 +6719,20 @@ 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 :
@@ -6778,6 +6793,7 @@ fi
+
WARN_CXXFLAGS=`echo ${WARN_CFLAGS} | sed -e 's/-Wstrict-prototypes//' -e 's/-Wmissing-prototypes//' -e 's/-Wshadow//'`