#
#    Copyright (c) 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 make file for oprofile, a performance
#      profiling tool for Linux systems, capable of profiling all
#      running code at low overhead.
#


include pre.mak

PackageName		:= oprofile

PackageExtension	:= tar.gz
PackageSeparator	:= -

PackagePatchArgs	:= -p1

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

PackageBuildMakefile	= $(call GenerateBuildPaths,Makefile)

LicenseSourceFile	:= $(PackageSourceDir)/COPYING

CleanPaths		+= $(PackageLicenseFile)

BinutilsDir		:= sw/tps/binutils
BinutilsIncDir		:= $(call GenerateResultPaths,$(BinutilsDir),usr/include)
BinutilsLibDir		:= $(call GenerateResultPaths,$(BinutilsDir),usr/lib)

LinuxDir		:= sw/tps/linux
LinuxIncDir		:= $(call GenerateResultPaths,$(LinuxDir),include)

PoptDir			:= sw/tps/popt
PoptIncDir		:= $(call GenerateResultPaths,$(PoptDir),usr/include)
PoptLibDir		:= $(call GenerateResultPaths,$(PoptDir),usr/lib)

ZlibDir			:= sw/tps/zlib
ZlibIncDir      	:= $(call GenerateResultPaths,$(ZlibDir),usr/include)
ZlibLibDir      	:= $(call GenerateResultPaths,$(ZlibDir),usr/lib)

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

all: $(PackageDefaultGoal)

# Generate the package license contents.

$(LicenseSourceFile): $(BuildDirectory)/source

$(PackageLicenseFile): $(LicenseSourceFile)
	$(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)
	$(Verbose)touch $@

# Patch the sources, if necessary.

$(BuildDirectory)/patch: $(BuildDirectory)/source
	$(Verbose)touch $@

# Generate the package build makefile.
# Configure the source for building.
#
$(BuildDirectory)/configure: $(BuildDirectory)/source | $(PackageSourceDir) $(BuildDirectory) $(ResultDirectory)
	$(Verbose)cd $(BuildDirectory) && \
	$(CURDIR)/$(PackageSourceDir)/configure \
	CC="$(CC)" CXX="$(CXX)" AR=$(AR) NM=$(NM) RANLIB=$(RANLIB) STRIP=$(STRIP) \
	CPPFLAGS="$(call ToolGenerateIncludeArgument,$(BinutilsIncDir)) \
	$(call ToolGenerateIncludeArgument,$(LinuxIncDir)) \
	$(call ToolGenerateIncludeArgument,$(PoptIncDir)) \
	$(call ToolGenerateIncludeArgument,$(ZlibIncDir)) \
	$(OprofileCFlags)" \
	LDFLAGS="$(call ToolGenerateLibraryPathArgument,$(BinutilsLibDir)) \
	$(call ToolGenerateLibraryPathArgument,$(PoptLibDir)) \
	$(call ToolGenerateLibraryPathArgument,$(ZlibLibDir))" \
	INSTALL="$(INSTALL) $(INSTALLFLAGS)" \
	--build=$(HostTuple) \
	--host=$(TargetTuple) \
	--prefix=/usr \
	--sysconfdir=/etc \
	--localstatedir=/var \
	--disable-gui \
	--with-kernel-support \
	--without-x \
	--disable-static
	$(Verbose)touch $@

# Build the source.
#
# We have to unset MAKEFLAGS since they confuse the package build otherwise.

$(BuildDirectory)/build: $(BuildDirectory)/configure
	$(Verbose)unset MAKEFLAGS && \
	$(MAKE) $(JOBSFLAG) -C $(BuildDirectory) \
	all
	$(Verbose)touch $@

# Stage the build to a temporary installation area.
#
# We have to unset MAKEFLAGS since they confuse the package build otherwise.

$(BuildDirectory)/stage: $(BuildDirectory)/build | $(ResultDirectory)
	$(Verbose)unset MAKEFLAGS && \
	$(MAKE) $(JOBSFLAG) -C $(BuildDirectory) \
	DESTDIR=$(ResultDirectory) \
	install
	$(Verbose)touch $@

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

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

include post.mak