$(foreach cvar,CC CXX CPP CFLAGS CXXFLAGS CPPFLAGS,\
$(eval $(call SET_FROM_CFG,$(cvar))))
-ifeq ($(CFG_USING_CLANG),1)
- # The -Qunused-arguments sidesteps spurious warnings from clang
- CFLAGS += -Qunused-arguments
- CXXFLAGS += -Qunused-arguments
- CPPFLAGS += -Qunused-arguments
-endif
-
CFG_RLIB_GLOB=lib$(1)-*.rlib
# x86_64-unknown-linux-gnu configuration
CFG_RUN_x86_64-unknown-freebsd=$(2)
CFG_RUN_TARG_x86_64-unknown-freebsd=$(call CFG_RUN_x86_64-unknown-freebsd,,$(2))
+
+# The -Qunused-arguments sidesteps spurious warnings from clang
+define FILTER_FLAGS
+ ifeq ($$(CFG_USING_CLANG),1)
+ ifneq ($(findstring clang,$$(shell $(CC_$(1)) -v)),)
+ CFG_GCCISH_CFLAGS_$(1) += -Qunused-arguments
+ CFG_GCCISH_CXXFLAGS_$(1) += -Qunused-arguments
+ endif
+ endif
+endef
+
+$(foreach target,$(CFG_TARGET),\
+ $(eval $(call FILTER_FLAGS,$(target))))
+
+
ifeq ($(CFG_CCACHE_CPP2),1)
CCACHE_CPP2=1
export CCACHE_CPP