commit: ef659445f388bb0dd8ae57609bf77ef88fa3e00f Author: Gilles Dartiguelongue <eva <AT> gentoo <DOT> org> AuthorDate: Sun Apr 20 23:42:07 2014 +0000 Commit: Gilles Dartiguelongue <eva <AT> gentoo <DOT> org> CommitDate: Sun Apr 20 23:43:39 2014 +0000 URL: http://git.overlays.gentoo.org/gitweb/?p=proj/gnome.git;a=commit;h=ef659445
eclass: add vala.eclass with 0.24 support --- eclass/vala.eclass | 137 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 137 insertions(+) diff --git a/eclass/vala.eclass b/eclass/vala.eclass new file mode 100644 index 0000000..b3ae5c5 --- /dev/null +++ b/eclass/vala.eclass @@ -0,0 +1,137 @@ +# Copyright 1999-2013 Gentoo Foundation +# Distributed under the terms of the GNU General Public License v2 +# $Header: /var/cvsroot/gentoo-x86/eclass/vala.eclass,v 1.7 2013/10/04 22:11:54 tetromino Exp $ + +# @ECLASS: vala.eclass +# @MAINTAINER: +# gn...@gentoo.org +# @AUTHOR: +# Alexandre Rostovtsev <tetrom...@gentoo.org> +# @BLURB: Sets up the environment for using a specific version of vala. +# @DESCRIPTION: +# This eclass sets up commonly used environment variables for using a specific +# version of dev-lang/vala to configure and build a package. It is needed for +# packages whose build systems assume the existence of certain unversioned vala +# executables, pkgconfig files, etc., which Gentoo does not provide. +# +# This eclass provides one phase function: src_prepare. + +inherit eutils multilib + +case "${EAPI:-0}" in + 0) die "EAPI=0 is not supported" ;; + 1) ;; + *) EXPORT_FUNCTIONS src_prepare ;; +esac + +# @ECLASS-VARIABLE: VALA_MIN_API_VERSION +# @DESCRIPTION: +# Minimum vala API version (e.g. 0.16). +VALA_MIN_API_VERSION=${VALA_MIN_API_VERSION:-0.10} + +# @ECLASS-VARIABLE: VALA_MAX_API_VERSION +# @DESCRIPTION: +# Maximum vala API version (e.g. 0.20). +VALA_MAX_API_VERSION=${VALA_MAX_API_VERSION:-0.24} + +# @ECLASS-VARIABLE: VALA_USE_DEPEND +# @DEFAULT_UNSET +# @DESCRIPTION: +# USE dependencies that vala must be built with (e.g. vapigen). + +# @FUNCTION: vala_api_versions +# @DESCRIPTION: +# Outputs a list of vala API versions from VALA_MAX_API_VERSION down to +# VALA_MIN_API_VERSION. +vala_api_versions() { + eval "echo 0.{${VALA_MAX_API_VERSION#0.}..${VALA_MIN_API_VERSION#0.}..2}" +} + +# @FUNCTION: vala_depend +# @DESCRIPTION: +# Outputs a ||-dependency string on vala from VALA_MAX_API_VERSION down to +# VALA_MIN_API_VERSION +vala_depend() { + local u v versions=$(vala_api_versions) + [[ ${VALA_USE_DEPEND} ]] && u="[${VALA_USE_DEPEND}]" + + echo -n "|| (" + for v in ${versions}; do + echo -n " dev-lang/vala:${v}${u}" + done + echo " )" +} + +# @FUNCTION: vala_best_api_version +# @DESCRIPTION: +# Returns the highest installed vala API version satisfying +# VALA_MAX_API_VERSION, VALA_MIN_API_VERSION, and VALA_USE_DEPEND. +vala_best_api_version() { + local u v + [[ ${VALA_USE_DEPEND} ]] && u="[${VALA_USE_DEPEND}]" + for v in $(vala_api_versions); do + has_version "dev-lang/vala:${v}${u}" && echo "${v}" && return + done +} + +# @FUNCTION: vala_src_prepare +# @USAGE: [--ignore-use] [--vala-api-version api_version] +# @DESCRIPTION: +# Sets up the environment variables and pkgconfig files for the +# specified API version, or, if no version is specified, for the +# highest installed vala API version satisfying +# VALA_MAX_API_VERSION, VALA_MIN_API_VERSION, and VALA_USE_DEPEND. +# Is a no-op if called without --ignore-use when USE=-vala. +# Dies if the USE check is passed (or ignored) and a suitable vala +# version is not available. +vala_src_prepare() { + local p d valafoo version ignore_use + + while [[ $1 ]]; do + case $1 in + "--ignore-use" ) + ignore_use=1 ;; + "--vala-api-version" ) + shift + version=$1 + [[ ${version} ]] || die "'--vala-api-version' option requires API version parameter." + esac + shift + done + + if [[ -z ${ignore_use} ]]; then + in_iuse vala && ! use vala && return 0 + fi + + if [[ ${version} ]]; then + has_version "dev-lang/vala:${version}" || die "No installed vala:${version}" + else + version=$(vala_best_api_version) + [[ ${version} ]] || die "No installed vala in $(vala_depend)" + fi + + export VALAC=$(type -P valac-${version}) + + valafoo=$(type -P vala-gen-introspect-${version}) + [[ ${valafoo} ]] && export VALA_GEN_INTROSPECT="${valafoo}" + + valafoo=$(type -P vapigen-${version}) + [[ ${valafoo} ]] && export VAPIGEN="${valafoo}" + + valafoo="${EPREFIX}/usr/share/vala/Makefile.vapigen" + [[ -e ${valafoo} ]] && export VAPIGEN_MAKEFILE="${valafoo}" + + export VAPIGEN_VAPIDIR="${EPREFIX}/usr/share/vala/vapi" + + mkdir -p "${T}/pkgconfig" || die "mkdir failed" + for p in libvala vapigen; do + for d in "${EPREFIX}/usr/$(get_libdir)/pkgconfig" "${EPREFIX}/usr/share/pkgconfig"; do + if [[ -e ${d}/${p}-${version}.pc ]]; then + ln -s "${d}/${p}-${version}.pc" "${T}/pkgconfig/${p}.pc" || die "ln failed" + break + fi + done + done + : ${PKG_CONFIG_PATH:="${EPREFIX}/usr/$(get_libdir)/pkgconfig:${EPREFIX}/usr/share/pkgconfig"} + export PKG_CONFIG_PATH="${T}/pkgconfig:${PKG_CONFIG_PATH}" +}