Update eclass to support the new cmake ebuild

1 files changed, 333 insertions, 0 deletions

diff --git a/eclass/cmake-utils.eclass b/eclass/cmake-utils.eclass
new file mode 100644
index 00000000000..86222e0426e
--- /dev/null
+++ b/eclass/cmake-utils.eclass
@@ -0,0 +1,333 @@
+# Copyright 1999-2009 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: /var/cvsroot/gentoo-x86/eclass/cmake-utils.eclass,v 1.22 2009/03/19 09:12:41 scarabeus Exp $
+
+# @ECLASS: cmake-utils.eclass
+# @MAINTAINER:
+# kde@gentoo.org
+# @AUTHORS:
+# Tomáš Chvátal <scarabeus@gentoo.org>
+# Maciej Mrozowski <reavertm@poczta.fm>
+# (undisclosed contributors)
+# Original author: Zephyrus (zephyrus@mirach.it)
+# @BLURB: common ebuild functions for cmake-based packages
+# @DESCRIPTION:
+# The cmake-utils eclass contains functions that make creating ebuilds for
+# cmake-based packages much easier.
+# Its main features are support of out-of-source builds as well as in-source
+# builds and an implementation of the well-known use_enable and use_with
+# functions for CMake.
+
+inherit toolchain-funcs multilib flag-o-matic base
+
+EXPF="src_compile src_test src_install"
+case ${EAPI:-0} in
+	2) EXPF="${EXPF} src_configure"
+		;;
+	1|0) ;;
+	*) die "Unknown EAPI, Bug eclass maintainers." ;;
+esac
+EXPORT_FUNCTIONS ${EXPF}
+
+: ${DESCRIPTION:="Based on the ${ECLASS} eclass"}
+
+[[ ${PN} = cmake ]] || DEPEND=">=dev-util/cmake-2.6.2-r1"
+
+DEPEND="${DEPEND}
+	userland_GNU? ( >=sys-apps/findutils-4.4.0 )
+"
+
+# Internal functions used by cmake-utils_use_*
+_use_me_now() {
+	debug-print-function ${FUNCNAME} "$@"
+	[[ -z $2 ]] && die "cmake-utils_use-$1 <USE flag> [<flag name>]"
+	echo "-D$1${3:-$2}=$(use $2 && echo ON || echo OFF)"
+}
+_use_me_now_inverted() {
+	debug-print-function ${FUNCNAME} "$@"
+	[[ -z $2 ]] && die "cmake-utils_use-$1 <USE flag> [<flag name>]"
+	echo "-D$1${3:-$2}=$(use $2 && echo OFF || echo ON)"
+}
+
+# @ECLASS-VARIABLE: DOCS
+# @DESCRIPTION:
+# Documents passed to dodoc command.
+
+# @ECLASS-VARIABLE: HTML_DOCS
+# @DESCRIPTION:
+# Documents passed to dohtml command.
+
+# @ECLASS-VARIABLE: PREFIX
+# @DESCRIPTION
+# Eclass respects PREFIX variable, though it's not recommended way to set
+# install/lib/bin prefixes.
+# Use -DCMAKE_INSTALL_PREFIX=... CMake variable instead.
+
+# @ECLASS-VARIABLE: CMAKE_IN_SOURCE_BUILD
+# @DESCRIPTION:
+# Set to enable in-source build.
+
+# @ECLASS-VARIABLE: CMAKE_NO_COLOR
+# @DESCRIPTION:
+# Set to disable cmake output coloring.
+
+# @ECLASS-VARIABLE: CMAKE_VERBOSE
+# @DESCRIPTION:
+# Set to enable verbose messages during compilation.
+
+# @ECLASS-VARIABLE: CMAKE_BUILD_TYPE
+# @DESCRIPTION:
+# Set to override default CMAKE_BUILD_TYPE. Only useful for packages
+# known to make use of "if (CMAKE_BUILD_TYPE MATCHES xxx)".
+# If about to be set - needs to be set before invoking cmake-utils_src_configure.
+# You usualy do *NOT* want nor need to set it as it pulls CMake default build-type
+# specific compiler flags overriding make.conf.
+: ${CMAKE_BUILD_TYPE:=Gentoo}
+
+# @FUNCTION: _check_build_dir
+# @DESCRIPTION:
+# Determine using IN or OUT source build
+_check_build_dir() {
+	# in/out source build
+	if [[ -n "${CMAKE_IN_SOURCE_BUILD}" ]]; then
+		CMAKE_BUILD_DIR="${S}"
+	else
+		CMAKE_BUILD_DIR="${WORKDIR}/${PN}_build"
+	fi
+	echo ">>> Working in BUILD_DIR: \"$CMAKE_BUILD_DIR\""
+}
+# @FUNCTION: cmake-utils_use_with
+# @USAGE: <USE flag> [flag name]
+# @DESCRIPTION:
+# Based on use_with. See ebuild(5).
+#
+# `cmake-utils_use_with foo FOO` echoes -DWITH_FOO=ON if foo is enabled
+# and -DWITH_FOO=OFF if it is disabled.
+cmake-utils_use_with() { _use_me_now WITH_ "$@" ; }
+
+# @FUNCTION: cmake-utils_use_enable
+# @USAGE: <USE flag> [flag name]
+# @DESCRIPTION:
+# Based on use_enable. See ebuild(5).
+#
+# `cmake-utils_use_enable foo FOO` echoes -DENABLE_FOO=ON if foo is enabled
+# and -DENABLE_FOO=OFF if it is disabled.
+cmake-utils_use_enable() { _use_me_now ENABLE_ "$@" ; }
+
+# @FUNCTION: cmake-utils_use_disable
+# @USAGE: <USE flag> [flag name]
+# @DESCRIPTION:
+# Based on inversion of use_enable. See ebuild(5).
+#
+# `cmake-utils_use_enable foo FOO` echoes -DDISABLE_FOO=OFF if foo is enabled
+# and -DDISABLE_FOO=ON if it is disabled.
+cmake-utils_use_disable() { _use_me_now_inverted DISABLE_ "$@" ; }
+
+# @FUNCTION: cmake-utils_use_no
+# @USAGE: <USE flag> [flag name]
+# @DESCRIPTION:
+# Based on use_disable. See ebuild(5).
+#
+# `cmake-utils_use_no foo FOO` echoes -DNO_FOO=OFF if foo is enabled
+# and -DNO_FOO=ON if it is disabled.
+cmake-utils_use_no() { _use_me_now_inverted NO_ "$@" ; }
+
+# @FUNCTION: cmake-utils_use_want
+# @USAGE: <USE flag> [flag name]
+# @DESCRIPTION:
+# Based on use_enable. See ebuild(5).
+#
+# `cmake-utils_use_want foo FOO` echoes -DWANT_FOO=ON if foo is enabled
+# and -DWANT_FOO=OFF if it is disabled.
+cmake-utils_use_want() { _use_me_now WANT_ "$@" ; }
+
+# @FUNCTION: cmake-utils_use_build
+# @USAGE: <USE flag> [flag name]
+# @DESCRIPTION:
+# Based on use_enable. See ebuild(5).
+#
+# `cmake-utils_use_build foo FOO` echoes -DBUILD_FOO=ON if foo is enabled
+# and -DBUILD_FOO=OFF if it is disabled.
+cmake-utils_use_build() { _use_me_now BUILD_ "$@" ; }
+
+# @FUNCTION: cmake-utils_use_has
+# @USAGE: <USE flag> [flag name]
+# @DESCRIPTION:
+# Based on use_enable. See ebuild(5).
+#
+# `cmake-utils_use_has foo FOO` echoes -DHAVE_FOO=ON if foo is enabled
+# and -DHAVE_FOO=OFF if it is disabled.
+cmake-utils_use_has() { _use_me_now HAVE_ "$@" ; }
+
+# @FUNCTION: cmake-utils_has
+# @DESCRIPTION:
+# Deprecated, use cmake-utils_use_has, kept now for backcompat.
+cmake-utils_has() { ewarn "QA notice: using deprecated ${FUNCNAME} call, use cmake-utils_use_has instead." ; _use_me_now HAVE_ "$@" ; }
+
+# @FUNCTION: cmake-utils_use
+# @USAGE: <USE flag> [flag name]
+# @DESCRIPTION:
+# Based on use_enable. See ebuild(5).
+#
+# `cmake-utils_use foo FOO` echoes -DFOO=ON if foo is enabled
+# and -DFOO=OFF if it is disabled.
+cmake-utils_use() { _use_me_now "" "$@" ; }
+
+# Internal function for modifying hardcoded definitions.
+# Removes dangerous definitionts that override Gentoo settings.
+_modify-cmakelists() {
+	debug-print-function ${FUNCNAME} "$@"
+
+	# Comment out all set (<some_should_be_user_defined_variable> value)
+	# TODO Add QA checker - inform when variable being checked for below is set in CMakeLists.txt
+	find "${S}" -name CMakeLists.txt \
+		-exec sed -i -e '/^[[:space:]]*[sS][eE][tT][[:space:]]*([[:space:]]*CMAKE_BUILD_TYPE.*)/{s/^/#IGNORE /g}' {} + \
+		-exec sed -i -e '/^[[:space:]]*[sS][eE][tT][[:space:]]*([[:space:]]*CMAKE_INSTALL_PREFIX.*)/{s/^/#IGNORE /g}' {} + \
+		|| die "${LINENO}: failed to disable hardcoded settings"
+
+	# NOTE Append some useful summary here
+	echo '
+MESSAGE(STATUS "<<< Gentoo configuration >>>
+Build type: ${CMAKE_BUILD_TYPE}
+Install path: ${CMAKE_INSTALL_PREFIX}\n")' >> CMakeLists.txt
+}
+
+# @FUNCTION: cmake-utils_src_configure
+# @DESCRIPTION:
+# General function for configuring with cmake. Default behaviour is to start an
+# out-of-source build.
+cmake-utils_src_configure() {
+	debug-print-function ${FUNCNAME} "$@"
+
+	# Remove dangerous things.
+	_modify-cmakelists
+
+	# @SEE CMAKE_BUILD_TYPE
+	if [[ ${CMAKE_BUILD_TYPE} = Gentoo ]]; then
+		# Handle release builds
+		if ! has debug ${IUSE//+} || ! use debug; then
+			append-cppflags -DNDEBUG
+		fi
+	fi
+
+	# Prepare Gentoo override rules (set valid compiler, append CPPFLAGS)
+	local build_rules="${TMPDIR}"/gentoo_rules.cmake
+cat > ${build_rules} << _EOF_
+SET (CMAKE_C_COMPILER $(type -P $(tc-getCC)) CACHE FILEPATH "C compiler" FORCE)
+SET (CMAKE_C_COMPILE_OBJECT "<CMAKE_C_COMPILER> <DEFINES> ${CPPFLAGS} <FLAGS> -o <OBJECT> -c <SOURCE>" CACHE STRING "C compile command" FORCE)
+SET (CMAKE_CXX_COMPILER $(type -P $(tc-getCXX)) CACHE FILEPATH "C++ compiler" FORCE)
+SET (CMAKE_CXX_COMPILE_OBJECT "<CMAKE_CXX_COMPILER> <DEFINES> ${CPPFLAGS} <FLAGS> -o <OBJECT> -c <SOURCE>" CACHE STRING "C++ compile command" FORCE)
+_EOF_
+
+	# Common configure parameters (overridable)
+	# NOTE CMAKE_BUILD_TYPE can be only overriden via CMAKE_BUILD_TYPE eclass variable
+	# No -DCMAKE_BUILD_TYPE=xxx definitions will be in effect.
+	local cmakeargs="
+		-DCMAKE_INSTALL_PREFIX=${PREFIX:-/usr}
+		${mycmakeargs}
+		-DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}
+		-DCMAKE_INSTALL_DO_STRIP=OFF
+		-DCMAKE_USER_MAKE_RULES_OVERRIDE=${build_rules}"
+
+	# Common configure parameters (invariants)
+	local common_config="${TMPDIR}"/gentoo_common_config.cmake
+	local libdir=$(get_libdir)
+cat > ${common_config} << _EOF_
+SET (LIB_SUFFIX ${libdir/lib} CACHE STRING "library path suffix" FORCE)
+_EOF_
+	[[ -n ${CMAKE_NO_COLOR} ]] && echo 'SET (CMAKE_COLOR_MAKEFILE OFF CACHE BOOL "pretty colors during make" FORCE)' >> ${common_config}
+	cmakeargs="-C ${common_config} ${cmakeargs}"
+
+	_check_build_dir
+	mkdir -p "${CMAKE_BUILD_DIR}"
+	pushd "${CMAKE_BUILD_DIR}" > /dev/null
+	debug-print "${LINENO} ${ECLASS} ${FUNCNAME}: mycmakeargs is $cmakeargs"
+	cmake ${cmakeargs} "${S}" || die "cmake failed"
+
+	popd > /dev/null
+}
+
+# @FUNCTION: cmake-utils_src_compile
+# @DESCRIPTION:
+# General function for compiling with cmake. Default behaviour is to check for
+# EAPI and respectively to configure as well or just compile.
+cmake-utils_src_compile() {
+	debug-print-function ${FUNCNAME} "$@"
+
+	has src_configure ${EXPF} || cmake-utils_src_configure
+	cmake-utils_src_make "$@"
+}
+
+# @FUNCTION: cmake-utils_src_configurein
+# @DESCRIPTION:
+# Deprecated
+cmake-utils_src_configurein() {
+	ewarn "QA notice: using deprecated ${FUNCNAME} call, set CMAKE_IN_SOURCE_BUILD=1 instead."
+	cmake-utils_src_configure
+}
+
+# @FUNCTION: cmake-utils_src_configureout
+# @DESCRIPTION:
+# Deprecated
+cmake-utils_src_configureout() {
+	ewarn "QA notice: using deprecated ${FUNCNAME} call, out of source build is enabled by default."
+	cmake-utils_src_configure
+}
+
+# @FUNCTION: cmake-utils_src_make
+# @DESCRIPTION:
+# Function for building the package. Automatically detects the build type.
+# All arguments are passed to emake:
+cmake-utils_src_make() {
+	debug-print-function ${FUNCNAME} "$@"
+
+	_check_build_dir
+	pushd "${CMAKE_BUILD_DIR}" > /dev/null
+	if [[ -n ${CMAKE_VERBOSE} ]]; then
+		emake VERBOSE=1 "$@" || die "Make failed!"
+	else
+		emake "$@" || die "Make failed!"
+	fi
+	popd > /dev/null
+}
+
+# @FUNCTION: cmake-utils_src_install
+# @DESCRIPTION:
+# Function for installing the package. Automatically detects the build type.
+cmake-utils_src_install() {
+	debug-print-function ${FUNCNAME} "$@"
+
+	_check_build_dir
+	pushd "${CMAKE_BUILD_DIR}" > /dev/null
+	emake install DESTDIR="${D}" || die "Make install failed"
+	popd > /dev/null
+
+	# Manual document installation
+	[[ -n "${DOCS}" ]] && { dodoc ${DOCS} || die "dodoc failed" ; }
+	[[ -n "${HTML_DOCS}" ]] && { dohtml -r ${HTML_DOCS} || die "dohtml failed" ; }
+}
+
+# @FUNCTION: cmake-utils_src_test
+# @DESCRIPTION:
+# Function for testing the package. Automatically detects the build type.
+cmake-utils_src_test() {
+	debug-print-function ${FUNCNAME} "$@"
+
+	_check_build_dir
+	pushd "${CMAKE_BUILD_DIR}" > /dev/null
+	# Standard implementation of src_test
+	if emake -j1 check -n &> /dev/null; then
+		einfo ">>> Test phase [check]: ${CATEGORY}/${PF}"
+		if ! emake -j1 check; then
+			die "Make check failed. See above for details."
+		fi
+	elif emake -j1 test -n &> /dev/null; then
+		einfo ">>> Test phase [test]: ${CATEGORY}/${PF}"
+		if ! emake -j1 test; then
+			die "Make test failed. See above for details."
+		fi
+	else
+		einfo ">>> Test phase [none]: ${CATEGORY}/${PF}"
+	fi
+	popd > /dev/null
+}