################################################################################
#
# openssl
#
################################################################################

OPENSSL_VERSION = 1.0.2h
OPENSSL_SITE = http://www.openssl.org/source
OPENSSL_LICENSE = OpenSSL or SSLeay
OPENSSL_LICENSE_FILES = LICENSE
OPENSSL_INSTALL_STAGING = YES
OPENSSL_DEPENDENCIES = zlib
HOST_OPENSSL_DEPENDENCIES = host-zlib
OPENSSL_TARGET_ARCH = generic32
OPENSSL_CFLAGS = $(TARGET_CFLAGS)
OPENSSL_PATCH = \
	https://gitweb.gentoo.org/repo/gentoo.git/plain/dev-libs/openssl/files/openssl-1.0.2d-parallel-build.patch?id=c8abcbe8de5d3b6cdd68c162f398c011ff6e2d9d \
	https://gitweb.gentoo.org/repo/gentoo.git/plain/dev-libs/openssl/files/openssl-1.0.2a-parallel-obj-headers.patch?id=c8abcbe8de5d3b6cdd68c162f398c011ff6e2d9d \
	https://gitweb.gentoo.org/repo/gentoo.git/plain/dev-libs/openssl/files/openssl-1.0.2a-parallel-install-dirs.patch?id=c8abcbe8de5d3b6cdd68c162f398c011ff6e2d9d \
	https://gitweb.gentoo.org/repo/gentoo.git/plain/dev-libs/openssl/files/openssl-1.0.2a-parallel-symlinking.patch?id=c8abcbe8de5d3b6cdd68c162f398c011ff6e2d9d

ifeq ($(BR2_USE_MMU),)
OPENSSL_CFLAGS += -DHAVE_FORK=0
endif

ifeq ($(BR2_PACKAGE_CRYPTODEV_LINUX),y)
OPENSSL_CFLAGS += -DHAVE_CRYPTODEV -DUSE_CRYPTODEV_DIGESTS
OPENSSL_DEPENDENCIES += cryptodev-linux
endif

ifeq ($(BR2_PACKAGE_OCF_LINUX),y)
OPENSSL_CFLAGS += -DHAVE_CRYPTODEV -DUSE_CRYPTODEV_DIGESTS
OPENSSL_DEPENDENCIES += ocf-linux
endif

# Some architectures are optimized in OpenSSL
# Doesn't work for thumb-only (Cortex-M?)
ifeq ($(BR2_ARM_CPU_HAS_ARM),y)
OPENSSL_TARGET_ARCH = armv4
endif
ifeq ($(ARCH),aarch64)
OPENSSL_TARGET_ARCH = aarch64
endif
ifeq ($(ARCH),powerpc)
# 4xx cores seem to have trouble with openssl's ASM optimizations
ifeq ($(BR2_powerpc_401)$(BR2_powerpc_403)$(BR2_powerpc_405)$(BR2_powerpc_405fp)$(BR2_powerpc_440)$(BR2_powerpc_440fp),)
OPENSSL_TARGET_ARCH = ppc
endif
endif
ifeq ($(ARCH),powerpc64)
OPENSSL_TARGET_ARCH = ppc64
endif
ifeq ($(ARCH),powerpc64le)
OPENSSL_TARGET_ARCH = ppc64le
endif
ifeq ($(ARCH),x86_64)
OPENSSL_TARGET_ARCH = x86_64
endif

define HOST_OPENSSL_CONFIGURE_CMDS
	(cd $(@D); \
		$(HOST_CONFIGURE_OPTS) \
		./config \
		--prefix=$(HOST_DIR)/usr \
		--openssldir=$(HOST_DIR)/etc/ssl \
		--libdir=/lib \
		shared \
		zlib-dynamic \
	)
	$(SED) "s#-O[0-9]#$(HOST_CFLAGS)#" $(@D)/Makefile
endef

define OPENSSL_CONFIGURE_CMDS
	(cd $(@D); \
		$(TARGET_CONFIGURE_ARGS) \
		$(TARGET_CONFIGURE_OPTS) \
		./Configure \
			linux-$(OPENSSL_TARGET_ARCH) \
			--prefix=/usr \
			--openssldir=/etc/ssl \
			--libdir=/lib \
			$(if $(BR2_TOOLCHAIN_HAS_THREADS),threads,no-threads) \
			$(if $(BR2_STATIC_LIBS),no-shared,shared) \
			no-rc5 \
			enable-camellia \
			enable-mdc2 \
			enable-tlsext \
			$(if $(BR2_STATIC_LIBS),zlib,zlib-dynamic) \
			$(if $(BR2_STATIC_LIBS),no-dso) \
	)
	$(SED) "s#-march=[-a-z0-9] ##" -e "s#-mcpu=[-a-z0-9] ##g" $(@D)/Makefile
	$(SED) "s#-O[0-9]#$(OPENSSL_CFLAGS)#" $(@D)/Makefile
	$(SED) "s# build_tests##" $(@D)/Makefile
endef

# libdl is not available in a static build, and this is not implied by no-dso
ifeq ($(BR2_STATIC_LIBS),y)
define OPENSSL_FIXUP_STATIC_MAKEFILE
	$(SED) 's#-ldl##g' $(@D)/Makefile
endef
OPENSSL_POST_CONFIGURE_HOOKS += OPENSSL_FIXUP_STATIC_MAKEFILE
endif

define HOST_OPENSSL_BUILD_CMDS
	$(MAKE) -C $(@D)
endef

define OPENSSL_BUILD_CMDS
	$(MAKE) -C $(@D)
endef

define OPENSSL_INSTALL_STAGING_CMDS
	$(MAKE) -C $(@D) INSTALL_PREFIX=$(STAGING_DIR) install
endef

define HOST_OPENSSL_INSTALL_CMDS
	$(MAKE) -C $(@D) install
endef

define OPENSSL_INSTALL_TARGET_CMDS
	$(MAKE) -C $(@D) INSTALL_PREFIX=$(TARGET_DIR) install
	rm -rf $(TARGET_DIR)/usr/lib/ssl
	rm -f $(TARGET_DIR)/usr/bin/c_rehash
endef

# libdl has no business in a static build
ifeq ($(BR2_STATIC_LIBS),y)
define OPENSSL_FIXUP_STATIC_PKGCONFIG
	$(SED) 's#-ldl##' $(STAGING_DIR)/usr/lib/pkgconfig/libcrypto.pc
	$(SED) 's#-ldl##' $(STAGING_DIR)/usr/lib/pkgconfig/libssl.pc
	$(SED) 's#-ldl##' $(STAGING_DIR)/usr/lib/pkgconfig/openssl.pc
endef
OPENSSL_POST_INSTALL_STAGING_HOOKS += OPENSSL_FIXUP_STATIC_PKGCONFIG
endif

ifneq ($(BR2_STATIC_LIBS),y)
# libraries gets installed read only, so strip fails
define OPENSSL_INSTALL_FIXUPS_SHARED
	chmod +w $(TARGET_DIR)/usr/lib/engines/lib*.so
	for i in $(addprefix $(TARGET_DIR)/usr/lib/,libcrypto.so.* libssl.so.*); \
	do chmod +w $$i; done
endef
OPENSSL_POST_INSTALL_TARGET_HOOKS += OPENSSL_INSTALL_FIXUPS_SHARED
endif

ifeq ($(BR2_PACKAGE_PERL),)
define OPENSSL_REMOVE_PERL_SCRIPTS
	$(RM) -f $(TARGET_DIR)/etc/ssl/misc/{CA.pl,tsget}
endef
OPENSSL_POST_INSTALL_TARGET_HOOKS += OPENSSL_REMOVE_PERL_SCRIPTS
endif

ifeq ($(BR2_PACKAGE_OPENSSL_BIN),)
define OPENSSL_REMOVE_BIN
	$(RM) -f $(TARGET_DIR)/usr/bin/openssl
	$(RM) -f $(TARGET_DIR)/etc/ssl/misc/{CA.*,c_*}
endef
OPENSSL_POST_INSTALL_TARGET_HOOKS += OPENSSL_REMOVE_BIN
endif

ifneq ($(BR2_PACKAGE_OPENSSL_ENGINES),y)
define OPENSSL_REMOVE_OPENSSL_ENGINES
	rm -rf $(TARGET_DIR)/usr/lib/engines
endef
OPENSSL_POST_INSTALL_TARGET_HOOKS += OPENSSL_REMOVE_OPENSSL_ENGINES
endif

$(eval $(generic-package))
$(eval $(host-generic-package))