third_party/openssl/Makefile.am - third_party/openweave-core - Git at Google

 #
 #    Copyright (c) 2014-2017 Nest Labs, Inc.
 #    All rights reserved.
 #
 #    Licensed under the Apache License, Version 2.0 (the "License");
 #    you may not use this file except in compliance with the License.
 #    You may obtain a copy of the License at
 #
 #        http://www.apache.org/licenses/LICENSE-2.0
 #
 #    Unless required by applicable law or agreed to in writing, software
 #    distributed under the License is distributed on an "AS IS" BASIS,
 #    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 #    See the License for the specific language governing permissions and
 #    limitations under the License.


 #
 #    Description:
 #      This file is the GNU automake template for the Weave in-package,
 #      tuned OpenSSL library.
 #
 #      This serves as "glue" or a proxy from the Weave build system to
 #      the OpenSSL build system.
 #

 include $(abs_top_nlbuild_autotools_dir)/automake/pre.am

 if WEAVE_WITH_OPENSSL_INTERNAL
 #
 # The OpenSSL build system relies on the built-in make variables to
 # ensure that ARFLAGS is set such that archive libraries can be
 # successfully created.
 #
 # Consequently, if make is invoked with -R or --no-builtin-variables
 # or if MAKEFLAGS contains -R or --no-builtin-variables, then ARFLAGS
 # will be unset and OpenSSL will cryptically fail to build.
 #
 # Attempt to detect this condition and provide the user with a
 # corrective action when detected.
 #

 $(info Checking ARFLAGS...)

 IsVariable        = $(findstring $(2),$(origin $(1)))
 IsVariableDefault = $(call IsVariable,$(1),default)

 $(if $(call IsVariableDefault,ARFLAGS),$(info ARFLAGS is '$(ARFLAGS)', OpenSSL should build correctly),$(error MAKEFLAGS is '$(MAKEFLAGS)' and ARFLAGS is '$(ARFLAGS)'. Your environment may have MAKEFLAGS set with '-R' or '--no-builtin-variables' set from another build system. This prevents the OpenSSL build system from picking up ARFLAGS from make default variables. Please try unsetting MAKEFLAGS from your environment before invoking make.))
 endif # WEAVE_WITH_OPENSSL_INTERNAL

 EXTRA_DIST                           = \
     README.third_party                 \
     openssl                            \
     openssl.url                        \
     openssl.version                    \
     patches                            \
     $(NULL)

 if WEAVE_WITH_OPENSSL_INTERNAL

 # OpenSSL preprocessor definitions applicable for all target for the
 # in-package OpenSSL.
 #
 # Pick up any target-specific preprocessor definitions that might be
 # required.

 WEAVE_OPENSSL_DEFINES                = $(WEAVE_OPENSSL_TARGET_DEFINES)

 # Tell the OpenSSL configuration script what features we do and do not
 # want enabled.

 WEAVE_OPENSSL_DISABLE_OPTIONS	     = no-asm no-engine no-dso no-shared no-apps no-test no-ssl no-tools no-async

 WEAVE_OPENSSL_ENABLE_OPTIONS	     =

 WEAVE_OPENSSL_OPTIONS		     = \
     $(WEAVE_OPENSSL_DISABLE_OPTIONS)   \
     $(WEAVE_OPENSSL_ENABLE_OPTIONS)

 # OpenSSL generally does a poor job of maintaining the sanctity of its
 # source files across configuration and build, overwriting the package
 # defaults with the user's selection.
 #
 # This causes unnecessary changes to appear if OpenSSL has been
 # imported under active source code control.

 openssl_builddir                     = $(builddir)/$(openssl_buildstem)
 abs_openssl_builddir                 = $(abs_builddir)/$(openssl_buildstem)

 # Sentinel files used for shadowing and configuring the package.


 OPENSSL_SHADOW_SENTINEL		     = $(openssl_builddir)/.shadow-stamp
 OPENSSL_CONFIG_SENTINEL		     = $(abs_openssl_builddir)/.configure-stamp

 #
 # GNU autoconf/automake targets proxied to the OpenSSL makefile.
 #

 # For the local 'all' target, build the OpenSSL source.

 all-local: build-local

 # OpenSSL doesn't intrinsically support non-colocated source and build
 # directories, so shadow the source directory to the build directory.
 #
 # Use a dedicated sentinel stamp file to ensure the job is
 # done. Attempts to use an actual shadowed file (e.g. Configure) will
 # fail with non-colocated source and build directories because VPATH
 # will believe it to already be satisfied. Finally, ensure that the
 # shadowed tree is user-writable so that operations like 'make
 # distcheck' succeed. In such an an environment, the source tree is
 # read-only and shadowing it will otherwise create a read-only shadow
 # copy.

 $(dir $(OPENSSL_SHADOW_SENTINEL)):
 	$(create-directory)

 $(OPENSSL_SHADOW_SENTINEL): | $(dir $(OPENSSL_SHADOW_SENTINEL))
 	@echo "  LNDIR    $(srcdir)"
 	$(AM_V_at)$(LNDIR) $(abs_srcdir)/openssl/. $(@D)
 	@echo "  CHMOD     $(srcdir)"
 	$(AM_V_at)chmod -R u+w $(@D)
 	$(AM_V_at)echo "sentinel stamp for openssl shadow" > $(@)

 .PHONY: shadow-local
 shadow-local: $(OPENSSL_SHADOW_SENTINEL)

 # OpenSSL requires configuration prior to building. Configure it
 # appropriately for the target system, shadowing the source first
 # if necessary.
 #
 # Note that, particularly for double-dash C compiler flags such as
 # --sysroot, OpenSSL Configure will error out if compiler flags are
 # placed anywhere other than at the end as os[/compiler][:flags] as
 # shown below.
 #
 # There are no sentinel files created anew after configuration
 # different from those prior to configuration. Consequently, create
 # out own sentinel file.

 $(OPENSSL_CONFIG_SENTINEL): $(OPENSSL_SHADOW_SENTINEL)
 	@echo "  CONFIG   $(WEAVE_OPENSSL_TARGET)"
 	$(AM_V_CONFIG)cd $(abs_openssl_builddir) && \
                 INSTALL="$(INSTALL)" \
 		CFLAGS="$(CFLAGS)" \
 		LDFLAGS="$(LDFLAGS)" \
 		./Configure \
 		--prefix=/ \
 		--openssldir=/openssl \
 		$(VISIBILITY_CFLAGS) \
 		$(WEAVE_OPENSSL_OPTIONS) \
 		$(WEAVE_OPENSSL_DEFINES) \
 		$(WEAVE_OPENSSL_TARGET)
 	$(AM_V_at)echo "sentinel stamp for openssl configuration" > $(@)

 .PHONY: configure-local
 configure-local: $(OPENSSL_CONFIG_SENTINEL)

 #
 # MakeOpenSSLWithTarget <OpenSSL Target> [<Verbose Target>]
 #
 # This invokes make against the specified OpenSSL target displaying
 # that target or, if provided, the optional "verbose" target as the
 # verbose output.

 define MakeOpenSSLWithTarget
 @echo "  SUBDIR   $(openssl_builddir)"
 @echo "  MAKE     $(if $(2),$(2),$(1))"
 $(AM_V_at)$(MAKE) $(AM_MAKEFLAGS) -C $(abs_openssl_builddir) \
         CC="$(CC) $(CFLAGS)" AR="$(AR) $(ARFLAGS)" RANLIB=$(RANLIB) \
         CROSS_TOP="$(CROSS_TOP)" \
         CROSS_SDK="$(CROSS_SDK)" \
         CROSS_SYSROOT="$(CROSS_SYSROOT)" \
         DESTDIR="$(DESTDIR)" \
         INSTALLTOP="$(prefix)" \
         $(1)
 endef # MakeOpenSSLWithTarget

 # Build the configured OpenSSL source.

 .PHONY: build-local
 build-local: configure-local
 	$(call MakeOpenSSLWithTarget, all)

 # Install (stage) the built OpenSSL source.

 stage-local: build-local
 	$(call MakeOpenSSLWithTarget, install_sw, install)

 install-data-local: stage-local

 install-headers: stage-local

 # Uninstall (to support the 'distcheck' and 'distuninstallcheck' targets)

 unstage-local:
 	$(call MakeOpenSSLWithTarget, uninstall_sw, uninstall)

 uninstall: unstage-local

 # Clean things up to the requested level.

 clean-local:
 	$(AM_V_at)if test -d "$(abs_openssl_builddir)"; then \
 	    echo "  SUBDIR   $(openssl_builddir)"; \
 	    echo "  MAKE     clean";               \
 	    $(MAKE) $(AM_MAKEFLAGS) -C $(abs_openssl_builddir) clean; \
 	fi

 # Remove the entirety of the OpenSSL build directory for the
 # 'distclean' target.

 distclean-local:
 	@echo "  RM       $(openssl_builddir)"
 	$(AM_V_at)rm -r -f $(openssl_builddir)

 endif # WEAVE_WITH_OPENSSL_INTERNAL

 include $(abs_top_nlbuild_autotools_dir)/automake/post.am
	#
	# Copyright (c) 2014-2017 Nest Labs, Inc.
	# All rights reserved.
	#
	# Licensed under the Apache License, Version 2.0 (the "License");
	# you may not use this file except in compliance with the License.
	# You may obtain a copy of the License at
	#
	# http://www.apache.org/licenses/LICENSE-2.0
	#
	# Unless required by applicable law or agreed to in writing, software
	# distributed under the License is distributed on an "AS IS" BASIS,
	# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	# See the License for the specific language governing permissions and
	# limitations under the License.


	#
	# Description:
	# This file is the GNU automake template for the Weave in-package,
	# tuned OpenSSL library.
	#
	# This serves as "glue" or a proxy from the Weave build system to
	# the OpenSSL build system.
	#

	include $(abs_top_nlbuild_autotools_dir)/automake/pre.am

	if WEAVE_WITH_OPENSSL_INTERNAL
	#
	# The OpenSSL build system relies on the built-in make variables to
	# ensure that ARFLAGS is set such that archive libraries can be
	# successfully created.
	#
	# Consequently, if make is invoked with -R or --no-builtin-variables
	# or if MAKEFLAGS contains -R or --no-builtin-variables, then ARFLAGS
	# will be unset and OpenSSL will cryptically fail to build.
	#
	# Attempt to detect this condition and provide the user with a
	# corrective action when detected.
	#

	$(info Checking ARFLAGS...)

	IsVariable = $(findstring $(2),$(origin $(1)))
	IsVariableDefault = $(call IsVariable,$(1),default)

	$(if $(call IsVariableDefault,ARFLAGS),$(info ARFLAGS is '$(ARFLAGS)', OpenSSL should build correctly),$(error MAKEFLAGS is '$(MAKEFLAGS)' and ARFLAGS is '$(ARFLAGS)'. Your environment may have MAKEFLAGS set with '-R' or '--no-builtin-variables' set from another build system. This prevents the OpenSSL build system from picking up ARFLAGS from make default variables. Please try unsetting MAKEFLAGS from your environment before invoking make.))
	endif # WEAVE_WITH_OPENSSL_INTERNAL

	EXTRA_DIST = \
	README.third_party \
	openssl \
	openssl.url \
	openssl.version \
	patches \
	$(NULL)

	if WEAVE_WITH_OPENSSL_INTERNAL

	# OpenSSL preprocessor definitions applicable for all target for the
	# in-package OpenSSL.
	#
	# Pick up any target-specific preprocessor definitions that might be
	# required.

	WEAVE_OPENSSL_DEFINES = $(WEAVE_OPENSSL_TARGET_DEFINES)

	# Tell the OpenSSL configuration script what features we do and do not
	# want enabled.

	WEAVE_OPENSSL_DISABLE_OPTIONS = no-asm no-engine no-dso no-shared no-apps no-test no-ssl no-tools no-async

	WEAVE_OPENSSL_ENABLE_OPTIONS =

	WEAVE_OPENSSL_OPTIONS = \
	$(WEAVE_OPENSSL_DISABLE_OPTIONS) \
	$(WEAVE_OPENSSL_ENABLE_OPTIONS)

	# OpenSSL generally does a poor job of maintaining the sanctity of its
	# source files across configuration and build, overwriting the package
	# defaults with the user's selection.
	#
	# This causes unnecessary changes to appear if OpenSSL has been
	# imported under active source code control.

	openssl_builddir = $(builddir)/$(openssl_buildstem)
	abs_openssl_builddir = $(abs_builddir)/$(openssl_buildstem)

	# Sentinel files used for shadowing and configuring the package.


	OPENSSL_SHADOW_SENTINEL = $(openssl_builddir)/.shadow-stamp
	OPENSSL_CONFIG_SENTINEL = $(abs_openssl_builddir)/.configure-stamp

	#
	# GNU autoconf/automake targets proxied to the OpenSSL makefile.
	#

	# For the local 'all' target, build the OpenSSL source.

	all-local: build-local

	# OpenSSL doesn't intrinsically support non-colocated source and build
	# directories, so shadow the source directory to the build directory.
	#
	# Use a dedicated sentinel stamp file to ensure the job is
	# done. Attempts to use an actual shadowed file (e.g. Configure) will
	# fail with non-colocated source and build directories because VPATH
	# will believe it to already be satisfied. Finally, ensure that the
	# shadowed tree is user-writable so that operations like 'make
	# distcheck' succeed. In such an an environment, the source tree is
	# read-only and shadowing it will otherwise create a read-only shadow
	# copy.

	$(dir $(OPENSSL_SHADOW_SENTINEL)):
	$(create-directory)

	$(OPENSSL_SHADOW_SENTINEL): \| $(dir $(OPENSSL_SHADOW_SENTINEL))
	@echo " LNDIR $(srcdir)"
	$(AM_V_at)$(LNDIR) $(abs_srcdir)/openssl/. $(@D)
	@echo " CHMOD $(srcdir)"
	$(AM_V_at)chmod -R u+w $(@D)
	$(AM_V_at)echo "sentinel stamp for openssl shadow" > $(@)

	.PHONY: shadow-local
	shadow-local: $(OPENSSL_SHADOW_SENTINEL)

	# OpenSSL requires configuration prior to building. Configure it
	# appropriately for the target system, shadowing the source first
	# if necessary.
	#
	# Note that, particularly for double-dash C compiler flags such as
	# --sysroot, OpenSSL Configure will error out if compiler flags are
	# placed anywhere other than at the end as os[/compiler][:flags] as
	# shown below.
	#
	# There are no sentinel files created anew after configuration
	# different from those prior to configuration. Consequently, create
	# out own sentinel file.

	$(OPENSSL_CONFIG_SENTINEL): $(OPENSSL_SHADOW_SENTINEL)
	@echo " CONFIG $(WEAVE_OPENSSL_TARGET)"
	$(AM_V_CONFIG)cd $(abs_openssl_builddir) && \
	INSTALL="$(INSTALL)" \
	CFLAGS="$(CFLAGS)" \
	LDFLAGS="$(LDFLAGS)" \
	./Configure \
	--prefix=/ \
	--openssldir=/openssl \
	$(VISIBILITY_CFLAGS) \
	$(WEAVE_OPENSSL_OPTIONS) \
	$(WEAVE_OPENSSL_DEFINES) \
	$(WEAVE_OPENSSL_TARGET)
	$(AM_V_at)echo "sentinel stamp for openssl configuration" > $(@)

	.PHONY: configure-local
	configure-local: $(OPENSSL_CONFIG_SENTINEL)

	#
	# MakeOpenSSLWithTarget <OpenSSL Target> [<Verbose Target>]
	#
	# This invokes make against the specified OpenSSL target displaying
	# that target or, if provided, the optional "verbose" target as the
	# verbose output.

	define MakeOpenSSLWithTarget
	@echo " SUBDIR $(openssl_builddir)"
	@echo " MAKE $(if $(2),$(2),$(1))"
	$(AM_V_at)$(MAKE) $(AM_MAKEFLAGS) -C $(abs_openssl_builddir) \
	CC="$(CC) $(CFLAGS)" AR="$(AR) $(ARFLAGS)" RANLIB=$(RANLIB) \
	CROSS_TOP="$(CROSS_TOP)" \
	CROSS_SDK="$(CROSS_SDK)" \
	CROSS_SYSROOT="$(CROSS_SYSROOT)" \
	DESTDIR="$(DESTDIR)" \
	INSTALLTOP="$(prefix)" \
	$(1)
	endef # MakeOpenSSLWithTarget

	# Build the configured OpenSSL source.

	.PHONY: build-local
	build-local: configure-local
	$(call MakeOpenSSLWithTarget, all)

	# Install (stage) the built OpenSSL source.

	stage-local: build-local
	$(call MakeOpenSSLWithTarget, install_sw, install)

	install-data-local: stage-local

	install-headers: stage-local

	# Uninstall (to support the 'distcheck' and 'distuninstallcheck' targets)

	unstage-local:
	$(call MakeOpenSSLWithTarget, uninstall_sw, uninstall)

	uninstall: unstage-local

	# Clean things up to the requested level.

	clean-local:
	$(AM_V_at)if test -d "$(abs_openssl_builddir)"; then \
	echo " SUBDIR $(openssl_builddir)"; \
	echo " MAKE clean"; \
	$(MAKE) $(AM_MAKEFLAGS) -C $(abs_openssl_builddir) clean; \
	fi

	# Remove the entirety of the OpenSSL build directory for the
	# 'distclean' target.

	distclean-local:
	@echo " RM $(openssl_builddir)"
	$(AM_V_at)rm -r -f $(openssl_builddir)

	endif # WEAVE_WITH_OPENSSL_INTERNAL

	include $(abs_top_nlbuild_autotools_dir)/automake/post.am