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-rw-r--r--gas/configure.in21
1 files changed, 21 insertions, 0 deletions
diff --git a/gas/configure.in b/gas/configure.in
index 8ee42a6..01fd0c5 100644
--- a/gas/configure.in
+++ b/gas/configure.in
@@ -40,6 +40,27 @@ esac])dnl
using_cgen=no
+build_warnings="-W -Wall"
+AC_ARG_ENABLE(build-warnings,
+[ --enable-build-warnings Enable build-time compiler warnings if gcc is used],
+[case "${enableval}" in
+ yes) ;;
+ no) build_warnings="-w";;
+ ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
+ build_warnings="${build_warnings} ${t}";;
+ *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
+ build_warnings="${t} ${build_warnings}";;
+ *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
+esac
+if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
+ echo "Setting warning flags = $build_warnings" 6>&1
+fi])dnl
+WARN_CFLAGS=""
+if test "x${build_warnings}" != x -a "x$GCC" = xyes ; then
+ WARN_CFLAGS="${build_warnings}"
+fi
+AC_SUBST(WARN_CFLAGS)
+
# Generate a header file
AM_CONFIG_HEADER(config.h:config.in)