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eclass/waf-utils.eclass

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+# Copyright 1999-2010 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: /var/cvsroot/gentoo-x86/eclass/waf-utils.eclass,v 1.5 2011/03/01 23:02:08 abcd Exp $
+
+# @ECLASS: waf-utils.eclass
+# @MAINTAINER:
+# gnome@gentoo.org
+#
+# @CODE
+# Original Author: Gilles Dartiguelongue <eva@gentoo.org>
+# Various improvements based on cmake-utils.eclass: Tomáš Chvátal <scarabeus@gentoo.org>
+# Proper prefix support: Jonathan Callen <abcd@gentoo.org>
+# @CODE
+# @BLURB: common ebuild functions for waf-based packages
+# @DESCRIPTION:
+# The waf-utils eclass contains functions that make creating ebuild for
+# waf-based packages much easier.
+# Its main features are support of common portage default settings.
+
+inherit base eutils multilib
+
+case ${EAPI:-0} in
+	4|3) EXPORT_FUNCTIONS src_configure src_compile src_install ;;
+	*) die "EAPI=${EAPI} is not supported" ;;
+esac
+
+# @FUNCTION: waf-utils_waflibdir
+# @USAGE: [<waf-binary>]
+# @DESCRIPTION:
+# Echoes the absolute path to the directory containing the waf-based
+# project's waflib python module. Ensures that the waflib shipped with a
+# project is unpacked if it isn't already. This waflib may be safely
+# patched because waf-lite will not touch the waflib directory if it
+# already exists. Uses the waf binary specified in WAF_BINARY.
+#
+# @EXAMPLE
+# The simplest case, for a monolithic compilation:
+#
+# @CODE
+# pushd "$(waf-utils_waflibdir)" || die "Unable to patch waflib"
+# epatch "${FILESDIR}"/${P}-waf-fix.patch
+# popd
+# @CODE
+#
+# Note that if you are using the python eclass and installating python
+# modules, you must either call python_set_active_version or call
+# waf-utils_waflibdir() from within a function run by
+# python_execute(). This is because waf uses a different directory for
+# waflib when using python3 than when using python2.
+#
+# @CODE
+# SUPPORT_PYTHON_ABIS=1
+# inherit eutils python waf-utils
+#
+# # Always use the waf associated with the current python ABI.
+# WAF_BINARY=./waf
+#
+# src_prepare() {
+# 	python_copy_sources
+#
+# 	myprepare() {
+# 		epatch "${FILESDIR}"/${P}-sourcecode-fix.patch
+#
+# 		pushd "$(waf-utils_waflibdir)" || die "Unable to patch waflib"
+# 		epatch "${FILESDIR}"/${P}-waf-fix.patch
+# 		popd
+# 	}
+# 	python_execute_function -s myprepare
+# }
+# @CODE
+waf-utils_waflibdir() {
+	debug-print-function ${FUNCNAME} "$@"
+
+	: ${WAF_BINARY:="${S}/waf"}
+
+	python -c "import imp, sys; sys.argv[0] = '${WAF_BINARY}'; waflite = imp.load_source('waflite', '${WAF_BINARY}'); print(waflite.find_lib());" \
+		|| die "Unable to locate or unpack waflib module from the waf script at ${WAF_BINARY}"
+}
+
+# @FUNCTION: waf-utils_src_configure
+# @DESCRIPTION:
+# General function for configuring with waf.
+waf-utils_src_configure() {
+	debug-print-function ${FUNCNAME} "$@"
+
+	# @ECLASS-VARIABLE: WAF_BINARY
+	# @DESCRIPTION:
+	# Eclass can use different waf executable. Usually it is located in "${S}/waf".
+	: ${WAF_BINARY:="${S}/waf"}
+
+	echo "CCFLAGS=\"${CFLAGS}\" LINKFLAGS=\"${LDFLAGS}\" \"${WAF_BINARY}\" --prefix=${EPREFIX}/usr --libdir=${EPREFIX}/usr/$(get_libdir) $@ configure"
+
+	CCFLAGS="${CFLAGS}" LINKFLAGS="${LDFLAGS}" "${WAF_BINARY}" \
+		"--prefix=${EPREFIX}/usr" \
+		"--libdir=${EPREFIX}/usr/$(get_libdir)" \
+		"$@" \
+		configure || die "configure failed"
+}
+
+# @FUNCTION: waf-utils_src_compile
+# @DESCRIPTION:
+# General function for compiling with waf.
+waf-utils_src_compile() {
+	debug-print-function ${FUNCNAME} "$@"
+
+	local jobs=$(echo -j1 ${MAKEOPTS} | sed -r "s/.*(-j\s*|--jobs=)([0-9]+).*/--jobs=\2/" )
+	echo "\"${WAF_BINARY}\" build ${jobs}"
+	"${WAF_BINARY}" ${jobs} || die "build failed"
+}
+
+# @FUNCTION: waf-utils_src_install
+# @DESCRIPTION:
+# Function for installing the package.
+waf-utils_src_install() {
+	debug-print-function ${FUNCNAME} "$@"
+
+	echo "\"${WAF_BINARY}\" --destdir=\"${D}\" install"
+	"${WAF_BINARY}" --destdir="${D}" install  || die "Make install failed"
+
+	# Manual document installation
+	base_src_install_docs
+}