build: Introduce PKG_CHECK_FORMAT_SECURITY
The idea is to get rid of http://en.wikipedia.org/wiki/Uncontrolled_format_string by using "-Wformat -Werror=format-security" by default Signed-off-by: Etienne CHAMPETIER <etienne.champetier@free.fr> SVN-Revision: 41412
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@ -14,6 +14,7 @@ PKG_INSTALL_DIR ?= $(PKG_BUILD_DIR)/ipkg-install
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PKG_MD5SUM ?= unknown
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PKG_MD5SUM ?= unknown
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PKG_BUILD_PARALLEL ?=
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PKG_BUILD_PARALLEL ?=
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PKG_USE_MIPS16 ?= 1
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PKG_USE_MIPS16 ?= 1
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PKG_CHECK_FORMAT_SECURITY ?= 1
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ifneq ($(CONFIG_PKG_BUILD_USE_JOBSERVER),)
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ifneq ($(CONFIG_PKG_BUILD_USE_JOBSERVER),)
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MAKE_J:=$(if $(MAKE_JOBSERVER),$(MAKE_JOBSERVER) -j)
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MAKE_J:=$(if $(MAKE_JOBSERVER),$(MAKE_JOBSERVER) -j)
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@ -33,6 +34,9 @@ ifdef CONFIG_USE_MIPS16
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TARGET_CFLAGS += -mips16 -minterlink-mips16
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TARGET_CFLAGS += -mips16 -minterlink-mips16
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endif
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endif
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endif
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endif
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ifeq ($(strip $(PKG_CHECK_FORMAT_SECURITY)),1)
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TARGET_CFLAGS += -Wformat -Werror=format-security
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endif
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include $(INCLUDE_DIR)/prereq.mk
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include $(INCLUDE_DIR)/prereq.mk
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include $(INCLUDE_DIR)/host.mk
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include $(INCLUDE_DIR)/host.mk
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