#
#    Copyright (c) 2010-2012 Nest Labs, Inc.
#    All rights reserved.
#
#    This document is the property of Nest. It is considered
#    confidential and proprietary information.
#
#    This document may not be reproduced or transmitted in any form,
#    in whole or in part, without the express written permission of
#    Nest.
#
#    Description:
#      This file is the makefile for Boost, a collection of open
#      source libraries that extend the functionality of the C++ standard
#      library.
#


include pre.mak

PackageName		:= boost

PackageExtension	:= tar.bz2
PackageSeparator	:= _

PackagePatchArgs	:= -p1

PackageArchive		:= $(PackageName).$(PackageExtension)
PackageSourceDir	:= $(PackageName)$(PackageSeparator)$(PackageVersion)

CleanPaths		+= $(PackageLicenseFile)

# For the short-term, we are always building with GCC even though the
# actual tool chain may be some repackaged version of GCC. So, just
# specify that.

BoostToolset		:= gcc

# We do not want versioned headers and libraries, so specify the
# 'system' layout. Also, we do not want all the various combinations
# of shared/static, release/debug, stripped/unstripped and
# non-threaded/threaded libraries, so just specify 'minimal'.

BoostJamConfig		+= --layout=system \
			   --build-type=minimal \
			   -sICU_PATH=$(IcuPrefixPath) \
			   link=shared \
			   $(if $(LinuxIncludePath), cxxflags="$(call ToolGenerateIncludeArgument,$(LinuxIncludePath))") \
			   $(NULL)

# If ForceLibStdCPP is set, tell boost to use libstdc++ instead of
# the compiler default
ifeq ($(call IsYes,$(ForceLibStdCPP)),Y)
BoostJamConfig		+= dll-path=$(BoostLibraryPath) cxxflags="-stdlib=libstdc++" linkflags="-stdlib=libstdc++"
endif


BoostLibraries		= filesystem	\
			  system	\
			  signals

ifeq ($(BUILD_FEATURE_BOOST_PYTHON),1)
BoostLibraries += \
	python
endif

BoostLibrariesList	= $(subst $(Space),$(Comma),$(strip $(BoostLibraries)))

BoostProjectConfig	= $(call GenerateBuildPaths,project-config.jam)

SOURCEDIRS = $(PackageSourceDir)
$(PackageSourceDir)_RULE_TARGET = $(BuildDirectory)/configure

all: $(PackageDefaultGoal)

# Generate the package license contents.

$(PackageSourceDir)/LICENSE_1_0.txt: $(BuildDirectory)/source

$(PackageLicenseFile): $(PackageSourceDir)/LICENSE_1_0.txt
	$(copy-result)

# Extract the source from the archive and apply patches, if any.

$(PackageSourceDir): $(PackageArchive) $(PackagePatchPaths)
	$(expand-and-patch-package)

# Prepare the sources.

$(BuildDirectory)/source: $(PackageSourceDir) | $(BuildDirectory)
	$(Verbose)touch $(BuildDirectory)/source

# Generate the package build makefile.


# Generate the build-specific makefile and user configuration. We have
# to post-process the generated user configuration since Boost's
# adominable build system has no other way to override the actual C++
# compiler executable used (see http://goodliffe.blogspot.com/2008/05/
# cross-compiling-boost.html and boost/docs/html/bbv2/
# tasks.html#bbv2.tasks.crosscompile).

# Configure the source for building.
.PHONY: configure
configure: $(BuildDirectory)/configure
$(BuildDirectory)/configure: $(BuildDirectory)/source | $(PackageSourceDir) $(BuildDirectory)
	$(call create-links,$(CURDIR)/$(PackageSourceDir),$(BuildDirectory))
	$(Verbose)cd $(BuildDirectory) && \
	./bootstrap.sh \
	--prefix=$(ResultDirectory) \
	--with-toolset=$(BoostToolset) \
	--with-icu=$(IcuPrefixPath) \
	--with-libraries=$(BoostLibrariesList) \
	--with-python-root=$(PythonResultsPath)
	$(Verbose)$(SED) -e "s#^\([[:space:]]*using\)[[:space:]]\{1,\}\($(BoostToolset)\)[[:space:]]\{1,\};#\1 \2 : $(TargetProcArch) : $(CXX) $(CPPOPTFLAGS) ;#g" \
	< $(BoostProjectConfig) > $(BoostProjectConfig).N || $(RM) -f $(BoostProjectConfig)
	$(Verbose)mv -f $(BoostProjectConfig) $(BoostProjectConfig).O
	$(Verbose)mv -f $(BoostProjectConfig).N $(BoostProjectConfig)
	$(Verbose)touch $(BuildDirectory)/configure

# Build the source.

$(BuildDirectory)/build: $(BuildDirectory)/configure
	$(Verbose)cd $(BuildDirectory) && \
	./bjam $(JOBSFLAG) $(BoostJamConfig)
	$(Verbose)touch $(BuildDirectory)/build

# Stage the build to a temporary installation area.

$(BuildDirectory)/stage: $(BuildDirectory)/build | $(ResultDirectory)
	$(Verbose)cd $(BuildDirectory) && \
	INSTALL="$(INSTALL) $(INSTALLFLAGS)" && \
	./bjam $(JOBSFLAG) $(BoostJamConfig) \
	install --prefix=$(ResultDirectory)
	$(Verbose)touch $(BuildDirectory)/stage

.PHONY: stage
stage: $(BuildDirectory)/stage

clean:
	$(Verbose)$(RM) $(RMFLAGS) -r $(PackageSourceDir)
	$(Verbose)$(RM) $(RMFLAGS) -r $(BuildDirectory)
	$(Verbose)$(RM) $(RMFLAGS) -r $(ResultDirectory)
	$(Verbose)$(RM) $(RMFLAGS) -r $(PackageSourceDir).mk.d

include post.mak