From 6757cf57697d30c73f4e3f314883ad2d8999eac6 Mon Sep 17 00:00:00 2001 From: Trevor Saunders Date: Sat, 19 Mar 2016 21:48:35 -0400 Subject: 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 * configure: Regenerate. gprof/ChangeLog: 2016-03-31 Trevor Saunders * configure: Regenerate. ld/ChangeLog: 2016-03-31 Trevor Saunders * configure: Regenerate. opcodes/ChangeLog: 2016-03-31 Trevor Saunders * configure: Regenerate. bfd/ChangeLog: 2016-03-31 Trevor Saunders * configure: Regenerate. * warning.m4: Add WARN_WRITE_STRINGS AC_SUBST. gold/ChangeLog: 2016-03-31 Trevor Saunders * configure: Regenerate. gas/ChangeLog: 2016-03-31 Trevor Saunders * Makefile.am: Add WARN_WRITE_STRINGS to WARN_CFLAGS. * Makefile.in: Regenerate. * configure: Likewise. --- gold/configure | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'gold/configure') 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//'` -- cgit v1.1