build: add TARGET_CXXFLAGS and EXTRA_CXXFLAGS, defaulting to *_CFLAGS via lazy evaluation. this allows adding c++ specific cflags

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@30760 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 1 insertions, 0 deletions

diff --git a/rules.mk b/rules.mk
index 45ef87cb2..a0ceca8c2 100644
--- a/rules.mk
+++ b/rules.mk
@@ -108,6 +108,7 @@ BUILD_LOG_DIR:=$(TOPDIR)/logs
 
 TARGET_PATH:=$(STAGING_DIR_HOST)/bin:$(subst $(space),:,$(filter-out .,$(filter-out ./,$(subst :,$(space),$(PATH)))))
 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3)
+TARGET_CXXFLAGS = $(TARGET_CFLAGS)
 TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
 TARGET_LDFLAGS:=-L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
 ifneq ($(CONFIG_EXTERNAL_TOOLCHAIN),)