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

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@30760 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd 2012-03-01 10:39:46 +00:00
parent e8cb322296
commit 08faa98372
2 changed files with 5 additions and 2 deletions
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6
include/package-defaults.mk
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@ -55,6 +55,8 @@ ifneq ($(strip $(PKG_UNPACK)),)
endef
endif
EXTRA_CXXFLAGS = $(EXTRA_CFLAGS)
CONFIGURE_PREFIX:=/usr
CONFIGURE_ARGS = \
--target=$(GNU_TARGET_NAME) \
@ -79,7 +81,7 @@ CONFIGURE_ARGS = \
CONFIGURE_VARS = \
$(TARGET_CONFIGURE_OPTS) \
CFLAGS="$(TARGET_CFLAGS) $(EXTRA_CFLAGS)" \
CXXFLAGS="$(TARGET_CFLAGS) $(EXTRA_CFLAGS)" \
CXXFLAGS="$(TARGET_CXXFLAGS) $(EXTRA_CFLAGS)" \
CPPFLAGS="$(TARGET_CPPFLAGS) $(EXTRA_CPPFLAGS)" \
LDFLAGS="$(TARGET_LDFLAGS) $(EXTRA_LDFLAGS)" \
@ -104,7 +106,7 @@ endef
MAKE_VARS = \
CFLAGS="$(TARGET_CFLAGS) $(EXTRA_CFLAGS) $(TARGET_CPPFLAGS) $(EXTRA_CPPFLAGS)" \
CXXFLAGS="$(TARGET_CFLAGS) $(EXTRA_CFLAGS) $(TARGET_CPPFLAGS) $(EXTRA_CPPFLAGS)" \
CXXFLAGS="$(TARGET_CXXFLAGS) $(EXTRA_CXXFLAGS) $(TARGET_CPPFLAGS) $(EXTRA_CPPFLAGS)" \
LDFLAGS="$(TARGET_LDFLAGS) $(EXTRA_LDFLAGS)"
MAKE_FLAGS = \

1
rules.mk
View File

@ -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),)