--- a/common/autoconf/flags.m4 Wed Jul 05 20:32:48 2017 +0200
+++ b/common/autoconf/flags.m4 Fri May 08 10:37:13 2015 +0200
@@ -231,7 +231,6 @@
AC_SUBST(C_FLAG_REORDER)
AC_SUBST(CXX_FLAG_REORDER)
- AC_SUBST(SHARED_LIBRARY_FLAGS)
AC_SUBST(SET_EXECUTABLE_ORIGIN)
AC_SUBST(SET_SHARED_LIBRARY_ORIGIN)
AC_SUBST(SET_SHARED_LIBRARY_NAME)
@@ -900,6 +899,24 @@
[COMPILER_SUPPORTS_TARGET_BITS_FLAG=false])
AC_SUBST(COMPILER_SUPPORTS_TARGET_BITS_FLAG)
+ AC_ARG_ENABLE([warnings-as-errors], [AS_HELP_STRING([--disable-warnings-as-errors],
+ [do not consider native warnings to be an error @<:@enabled@:>@])])
+
+ AC_MSG_CHECKING([if native warnings are errors])
+ if test "x$enable_warnings_as_errors" = "xyes"; then
+ AC_MSG_RESULT([yes (explicitely set)])
+ WARNINGS_AS_ERRORS=true
+ elif test "x$enable_warnings_as_errors" = "xno"; then
+ AC_MSG_RESULT([no])
+ WARNINGS_AS_ERRORS=false
+ elif test "x$enable_warnings_as_errors" = "x"; then
+ AC_MSG_RESULT([yes (default)])
+ WARNINGS_AS_ERRORS=true
+ else
+ AC_MSG_ERROR([--enable-warnings-as-errors accepts no argument])
+ fi
+ AC_SUBST(WARNINGS_AS_ERRORS)
+
case "${TOOLCHAIN_TYPE}" in
microsoft)
DISABLE_WARNING_PREFIX="-wd"