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Makefile.config
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Makefile.config
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include $(__nmk_dir)utils.mk
include $(__nmk_dir)msg.mk
include $(SRC_DIR)/scripts/feature-tests.mak
ifeq ($(call try-cc,$(FEATURE_TEST_LIBBSD_DEV),-lbsd),true)
LIBS_FEATURES += -lbsd
FEATURE_DEFINES += -DCONFIG_HAS_LIBBSD
endif
ifeq ($(call pkg-config-check,libselinux),y)
LIBS_FEATURES += -lselinux
FEATURE_DEFINES += -DCONFIG_HAS_SELINUX
endif
export LIBS += $(LIBS_FEATURES)
CONFIG_FILE = $(SRC_DIR)/.config
$(CONFIG_FILE):
touch $(CONFIG_FILE)
export DEFINES += $(FEATURE_DEFINES)
export CFLAGS += $(FEATURE_DEFINES)
FEATURES_LIST := TCP_REPAIR STRLCPY STRLCAT PTRACE_PEEKSIGINFO \
SETPROCTITLE_INIT MEMFD TCP_REPAIR_WINDOW
# $1 - config name
define gen-feature-test
ifeq ($$(call try-cc,$$(FEATURE_TEST_$(1)),$$(LIBS_FEATURES),$$(DEFINES)),true)
$(Q) @echo '#define CONFIG_HAS_$(1)' >> $$@
$(Q) @echo '' >> $$@
endif
endef
define config-header-rule
$(CONFIG_HEADER): $(SRC_DIR)/scripts/feature-tests.mak $(CONFIG_FILE)
$$(call msg-gen, $$@)
$(Q) @echo '#ifndef __CR_CONFIG_H__' > $$@
$(Q) @echo '#define __CR_CONFIG_H__' >> $$@
$(Q) @echo '' >> $$@
$(call map,gen-feature-test,$(FEATURES_LIST))
$(Q) @cat $(CONFIG_FILE) | sed -n -e '/^[^#]/s/^/#define CONFIG_/p' >> $$@
ifeq ($$(VDSO),y)
$(Q) @echo '#define CONFIG_VDSO' >> $$@
$(Q) @echo '' >> $$@
endif
ifeq ($$(piegen-y),y)
$(Q) @echo '#define CONFIG_PIEGEN' >> $$@
$(Q) @echo '' >> $$@
endif
$(Q) @echo '#endif /* __CR_CONFIG_H__ */' >> $$@
endef
$(eval $(config-header-rule))