configure: Test for -Wno-initializer-overrides
Clang has "-Wno-initializer-overrides", while gcc has
"-Wno-override-init". Quiets a lot of warnings with clang.
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
Reviewed-by: Eric Engestrom <eric.engestrom@imgtec.com>
diff --git a/configure.ac b/configure.ac
index 50876b0..ac64a38 100644
--- a/configure.ac
+++ b/configure.ac
@@ -339,6 +339,10 @@
AC_SUBST([VISIBILITY_CFLAGS])
AC_SUBST([VISIBILITY_CXXFLAGS])
+AX_CHECK_COMPILE_FLAG([-Wno-override-init], [WNO_OVERRIDE_INIT="-Wno-override-init"]) # gcc
+AX_CHECK_COMPILE_FLAG([-Wno-initializer-overrides], [WNO_OVERRIDE_INIT="-Wno-initializer-overrides"]) # clang
+AC_SUBST([WNO_OVERRIDE_INIT])
+
dnl
dnl Optional flags, check for compiler support
dnl
diff --git a/src/intel/Makefile.am b/src/intel/Makefile.am
index 9946f67..a34e301 100644
--- a/src/intel/Makefile.am
+++ b/src/intel/Makefile.am
@@ -44,7 +44,7 @@
AM_CFLAGS = \
$(VISIBILITY_CFLAGS) \
- -Wno-override-init
+ $(WNO_OVERRIDE_INIT)
MKDIR_GEN = $(AM_V_at)$(MKDIR_P) $(@D)
PYTHON_GEN = $(AM_V_GEN)$(PYTHON2) $(PYTHON_FLAGS)