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-rw-r--r--bfd/warning.m443
1 files changed, 43 insertions, 0 deletions
diff --git a/bfd/warning.m4 b/bfd/warning.m4
new file mode 100644
index 0000000..38feb5f
--- /dev/null
+++ b/bfd/warning.m4
@@ -0,0 +1,43 @@
+dnl Common configure.in fragment
+
+AC_DEFUN([AM_BINUTILS_WARNINGS],[
+WARN_CFLAGS="-W -Wall -Wstrict-prototypes -Wmissing-prototypes"
+
+AC_ARG_ENABLE(werror,
+ [ --enable-werror treat compile warnings as errors],
+ [case "${enableval}" in
+ yes | y) ERROR_ON_WARNING="yes" ;;
+ no | n) ERROR_ON_WARNING="no" ;;
+ *) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;;
+ esac])
+
+# Enable -Werror by default when using gcc
+if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" ; then
+ ERROR_ON_WARNING=yes
+fi
+
+NO_WERROR=
+if test "${ERROR_ON_WARNING}" = yes ; then
+ WARN_CFLAGS="$WARN_CFLAGS -Werror"
+ NO_WERROR="-Wno-error"
+fi
+
+AC_ARG_ENABLE(build-warnings,
+[ --enable-build-warnings Enable build-time compiler warnings],
+[case "${enableval}" in
+ yes) ;;
+ no) WARN_CFLAGS="-w";;
+ ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
+ WARN_CFLAGS="${WARN_CFLAGS} ${t}";;
+ *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
+ WARN_CFLAGS="${t} ${WARN_CFLAGS}";;
+ *) WARN_CFLAGS=`echo "${enableval}" | sed -e "s/,/ /g"`;;
+esac])
+
+if test x"$silent" != x"yes" && test x"$WARN_CFLAGS" != x""; then
+ echo "Setting warning flags = $WARN_CFLAGS" 6>&1
+fi
+
+AC_SUBST(WARN_CFLAGS)
+AC_SUBST(NO_WERROR)
+])