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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 scripts/feature-tests.mak
# This is a kludge for $(info ...) to not eat spaces.
S :=
ifeq ($(call try-cc,$(FEATURE_TEST_LIBBSD_DEV),-lbsd),true)
LIBS_FEATURES += -lbsd
FEATURE_DEFINES += -DCONFIG_HAS_LIBBSD
else
$(info Note: Building without setproctitle() and strlcpy() support.)
$(info $S Install libbsd-devel (RPM) / libbsd-dev (DEB) to fix.)
endif
ifeq ($(call pkg-config-check,libselinux),y)
LIBS_FEATURES += -lselinux
FEATURE_DEFINES += -DCONFIG_HAS_SELINUX
endif
ifeq ($(call pkg-config-check,libbpf),y)
LIBS_FEATURES += -lbpf
FEATURE_DEFINES += -DCONFIG_HAS_LIBBPF
export CONFIG_HAS_LIBBPF := y
endif
ifeq ($(call pkg-config-check,libdrm),y)
export CONFIG_AMDGPU := y
$(info Note: Building with amdgpu_plugin.)
else
$(info Note: Building without amdgpu_plugin.)
$(info $S Install libdrm-devel (RPM) or libdrm-dev (DEB) to fix.)
endif
ifeq ($(NO_GNUTLS)x$(call pkg-config-check,gnutls),xy)
LIBS_FEATURES += -lgnutls
export CONFIG_GNUTLS := y
FEATURE_DEFINES += -DCONFIG_GNUTLS
else
$(info Note: Building without GnuTLS support.)
$(info $S Install gnutls-devel (RPM) or gnutls-dev (DEB) to fix.)
endif
ifeq ($(call pkg-config-check,libnftables),y)
LIB_NFTABLES := $(shell $(PKG_CONFIG) --libs libnftables)
ifeq ($(call try-cc,$(FEATURE_TEST_NFTABLES_LIB_API_0),$(LIB_NFTABLES)),true)
LIBS_FEATURES += $(LIB_NFTABLES)
FEATURE_DEFINES += -DCONFIG_HAS_NFTABLES_LIB_API_0
else ifeq ($(call try-cc,$(FEATURE_TEST_NFTABLES_LIB_API_1),$(LIB_NFTABLES)),true)
LIBS_FEATURES += $(LIB_NFTABLES)
FEATURE_DEFINES += -DCONFIG_HAS_NFTABLES_LIB_API_1
else
$(info Warn: Building without nftables support (incompatible API version).)
endif
else
$(info Warn: Building without nftables support.)
$(info $S Install nftables-devel (RPM) or libnftables-dev (DEB) to fix.)
endif
export LIBS += $(LIBS_FEATURES)
CONFIG_FILE = .config
$(CONFIG_FILE):
touch $(CONFIG_FILE)
ifeq ($(ARCH),x86)
# CONFIG_COMPAT is only for x86 now, no need for compile-test other archs
ifeq ($(call try-asm,$(FEATURE_TEST_X86_COMPAT)),true)
export CONFIG_COMPAT := y
FEATURE_DEFINES += -DCONFIG_COMPAT
else
$(info Note: Building without ia32 C/R, missing ia32 support in gcc.)
$(info $S It may be related to missing gcc-multilib in your)
$(info $S distribution, or you may have Debian with buggy toolchain.)
$(info $S See https://github.com/checkpoint-restore/criu/issues/315.)
endif
endif
export DEFINES += $(FEATURE_DEFINES)
export CFLAGS += $(FEATURE_DEFINES)
FEATURES_LIST := TCP_REPAIR STRLCPY STRLCAT PTRACE_PEEKSIGINFO \
SETPROCTITLE_INIT TCP_REPAIR_WINDOW MEMFD_CREATE \
OPENAT2 NO_LIBC_RSEQ_DEFS
# $1 - config name
define gen-feature-test
ifeq ($$(call try-cc,$$(FEATURE_TEST_$(1)),$$(LIBS_FEATURES),$$(DEFINES)),true)
$(Q) echo '#define CONFIG_HAS_$(1)' >> $$@
else
$(Q) echo '// CONFIG_HAS_$(1) is not set' >> $$@
endif
endef
define config-header-rule
$(CONFIG_HEADER): 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' >> $$@
$(Q) echo '#endif /* __CR_CONFIG_H__ */' >> $$@
endef
$(eval $(config-header-rule))