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|
# Copyright 1999-2012 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/eclass/cmake-utils.eclass,v 1.84 2012/10/17 14:09:10 kensington Exp $
# @ECLASS: cmake-utils.eclass
# @MAINTAINER:
# kde@gentoo.org
# @AUTHOR:
# Tomáš Chvátal <scarabeus@gentoo.org>
# Maciej Mrozowski <reavertm@gentoo.org>
# (undisclosed contributors)
# Original author: Zephyrus (zephyrus@mirach.it)
# @BLURB: common ebuild functions for cmake-based packages
# @DESCRIPTION:
# The cmake-utils eclass is base.eclass(5) wrapper that makes creating ebuilds for
# cmake-based packages much easier.
# It provides all inherited features (DOCS, HTML_DOCS, PATCHES) along with out-of-source
# builds (default), in-source builds and an implementation of the well-known use_enable
# and use_with functions for CMake.
# @ECLASS-VARIABLE: WANT_CMAKE
# @DESCRIPTION:
# Specify if cmake-utils eclass should depend on cmake optionaly or not.
# This is usefull when only part of aplication is using cmake build system.
# Valid values are: always [default], optional (where the value is the useflag
# used for optionality)
WANT_CMAKE="${WANT_CMAKE:-always}"
# @ECLASS-VARIABLE: CMAKE_MIN_VERSION
# @DESCRIPTION:
# Specify the minimum required CMake version. Default is 2.8.4
CMAKE_MIN_VERSION="${CMAKE_MIN_VERSION:-2.8.4}"
# @ECLASS-VARIABLE: CMAKE_REMOVE_MODULES_LIST
# @DESCRIPTION:
# Space-separated list of CMake modules that will be removed in $S during src_prepare,
# in order to force packages to use the system version.
CMAKE_REMOVE_MODULES_LIST="${CMAKE_REMOVE_MODULES_LIST:-FindBLAS FindLAPACK}"
# @ECLASS-VARIABLE: CMAKE_REMOVE_MODULES
# @DESCRIPTION:
# Do we want to remove anything? yes or whatever else for no
CMAKE_REMOVE_MODULES="${CMAKE_REMOVE_MODULES:-yes}"
# @ECLASS-VARIABLE: CMAKE_MAKEFILE_GENERATOR
# @DESCRIPTION:
# Specify a makefile generator to be used by cmake. At this point only "make"
# and "ninja" is supported.
CMAKE_MAKEFILE_GENERATOR="${CMAKE_MAKEFILE_GENERATOR:-make}"
CMAKEDEPEND=""
case ${WANT_CMAKE} in
always)
;;
*)
IUSE+=" ${WANT_CMAKE}"
CMAKEDEPEND+="${WANT_CMAKE}? ( "
;;
esac
inherit toolchain-funcs multilib flag-o-matic base
CMAKE_EXPF="src_compile src_test src_install"
case ${EAPI:-0} in
2|3|4|5) CMAKE_EXPF+=" src_configure" ;;
1|0) ;;
*) die "Unknown EAPI, Bug eclass maintainers." ;;
esac
EXPORT_FUNCTIONS ${CMAKE_EXPF}
if [[ ${PN} != cmake ]]; then
CMAKEDEPEND+=" >=dev-util/cmake-${CMAKE_MIN_VERSION}"
fi
CMAKEDEPEND+=" userland_GNU? ( >=sys-apps/findutils-4.4.0 )"
[[ ${WANT_CMAKE} = always ]] || CMAKEDEPEND+=" )"
DEPEND="${CMAKEDEPEND}"
unset CMAKEDEPEND
# Internal functions used by cmake-utils_use_*
_use_me_now() {
debug-print-function ${FUNCNAME} "$@"
local uper capitalised x
[[ -z $2 ]] && die "cmake-utils_use-$1 <USE flag> [<flag name>]"
if [[ ! -z $3 ]]; then
# user specified the use name so use it
echo "-D$1$3=$(use $2 && echo ON || echo OFF)"
else
# use all various most used combinations
uper=$(echo ${2} | tr '[:lower:]' '[:upper:]')
capitalised=$(echo ${2} | sed 's/\<\(.\)\([^ ]*\)/\u\1\L\2/g')
for x in $2 $uper $capitalised; do
echo "-D$1$x=$(use $2 && echo ON || echo OFF) "
done
fi
}
_use_me_now_inverted() {
debug-print-function ${FUNCNAME} "$@"
local uper capitalised x
[[ -z $2 ]] && die "cmake-utils_use-$1 <USE flag> [<flag name>]"
if [[ ! -z $3 ]]; then
# user specified the use name so use it
echo "-D$1$3=$(use $2 && echo OFF || echo ON)"
else
# use all various most used combinations
uper=$(echo ${2} | tr '[:lower:]' '[:upper:]')
capitalised=$(echo ${2} | sed 's/\<\(.\)\([^ ]*\)/\u\1\L\2/g')
for x in $2 $uper $capitalised; do
echo "-D$1$x=$(use $2 && echo OFF || echo ON) "
done
fi
}
# @ECLASS-VARIABLE: CMAKE_BUILD_DIR
# @DESCRIPTION:
# Build directory where all cmake processed files should be generated.
# For in-source build it's fixed to ${CMAKE_USE_DIR}.
# For out-of-source build it can be overriden, by default it uses
# ${WORKDIR}/${P}_build.
# @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}
# @ECLASS-VARIABLE: CMAKE_IN_SOURCE_BUILD
# @DESCRIPTION:
# Set to enable in-source build.
# @ECLASS-VARIABLE: CMAKE_USE_DIR
# @DESCRIPTION:
# Sets the directory where we are working with cmake.
# For example when application uses autotools and only one
# plugin needs to be done by cmake.
# By default it uses ${S}.
# @ECLASS-VARIABLE: CMAKE_VERBOSE
# @DESCRIPTION:
# Set to OFF to disable verbose messages during compilation
: ${CMAKE_VERBOSE:=ON}
# @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.
: ${PREFIX:=/usr}
# @ECLASS-VARIABLE: CMAKE_BINARY
# @DESCRIPTION:
# Eclass can use different cmake binary than the one provided in by system.
: ${CMAKE_BINARY:=cmake}
# Determine using IN or OUT source build
_check_build_dir() {
: ${CMAKE_USE_DIR:=${S}}
if [[ -n ${CMAKE_IN_SOURCE_BUILD} ]]; then
# we build in source dir
CMAKE_BUILD_DIR="${CMAKE_USE_DIR}"
else
: ${CMAKE_BUILD_DIR:=${WORKDIR}/${P}_build}
fi
mkdir -p "${CMAKE_BUILD_DIR}"
echo ">>> Working in BUILD_DIR: \"$CMAKE_BUILD_DIR\""
}
# Determine which generator to use
_generator_to_use() {
if [[ ${CMAKE_MAKEFILE_GENERATOR} = "ninja" ]]; then
has_version dev-util/ninja && echo "Ninja" && return
fi
echo "Unix Makefiles"
}
# @FUNCTION: cmake-utils_use_with
# @USAGE: <USE flag> [flag name]
# @DESCRIPTION:
# Based on use_with. See ebuild(5).
#
# `cmake-utils_use_with foo FOO` echoes -DWITH_FOO=ON if foo is enabled
# and -DWITH_FOO=OFF if it is disabled.
cmake-utils_use_with() { _use_me_now WITH_ "$@" ; }
# @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_use_use
# @USAGE: <USE flag> [flag name]
# @DESCRIPTION:
# Based on use_enable. See ebuild(5).
#
# `cmake-utils_use_use foo FOO` echoes -DUSE_FOO=ON if foo is enabled
# and -DUSE_FOO=OFF if it is disabled.
cmake-utils_use_use() { _use_me_now USE_ "$@" ; }
# @FUNCTION: cmake-utils_use
# @USAGE: <USE flag> [flag name]
# @DESCRIPTION:
# Based on use_enable. See ebuild(5).
#
# `cmake-utils_use foo FOO` echoes -DFOO=ON if foo is enabled
# and -DFOO=OFF if it is disabled.
cmake-utils_use() { _use_me_now "" "$@" ; }
# Internal function for modifying hardcoded definitions.
# Removes dangerous definitions that override Gentoo settings.
_modify-cmakelists() {
debug-print-function ${FUNCNAME} "$@"
# Only edit the files once
grep -qs "<<< Gentoo configuration >>>" CMakeLists.txt && return 0
# 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 "${CMAKE_USE_DIR}" -name CMakeLists.txt \
-exec sed -i -e '/^[[:space:]]*[sS][eE][tT][[:space:]]*([[:space:]]*CMAKE_BUILD_TYPE.*)/{s/^/#IGNORE /g}' {} + \
-exec sed -i -e '/^[[:space:]]*[sS][eE][tT][[:space:]]*([[:space:]]*CMAKE_COLOR_MAKEFILE.*)/{s/^/#IGNORE /g}' {} + \
-exec sed -i -e '/^[[:space:]]*[sS][eE][tT][[:space:]]*([[:space:]]*CMAKE_INSTALL_PREFIX.*)/{s/^/#IGNORE /g}' {} + \
-exec sed -i -e '/^[[:space:]]*[sS][eE][tT][[:space:]]*([[:space:]]*CMAKE_VERBOSE_MAKEFILE.*)/{s/^/#IGNORE /g}' {} + \
|| die "${LINENO}: failed to disable hardcoded settings"
# NOTE Append some useful summary here
cat >> "${CMAKE_USE_DIR}"/CMakeLists.txt <<- _EOF_
MESSAGE(STATUS "<<< Gentoo configuration >>>
Build type \${CMAKE_BUILD_TYPE}
Install path \${CMAKE_INSTALL_PREFIX}
Compiler flags:
C \${CMAKE_C_FLAGS}
C++ \${CMAKE_CXX_FLAGS}
Linker flags:
Executable \${CMAKE_EXE_LINKER_FLAGS}
Module \${CMAKE_MODULE_LINKER_FLAGS}
Shared \${CMAKE_SHARED_LINKER_FLAGS}\n")
_EOF_
}
enable_cmake-utils_src_configure() {
debug-print-function ${FUNCNAME} "$@"
[[ "${CMAKE_REMOVE_MODULES}" == "yes" ]] && {
local name
for name in ${CMAKE_REMOVE_MODULES_LIST} ; do
find "${S}" -name ${name}.cmake -exec rm -v {} +
done
}
_check_build_dir
# check if CMakeLists.txt exist and if no then die
if [[ ! -e ${CMAKE_USE_DIR}/CMakeLists.txt ]] ; then
eerror "Unable to locate CMakeLists.txt under:"
eerror "\"${CMAKE_USE_DIR}/CMakeLists.txt\""
eerror "Consider not inheriting the cmake eclass."
die "FATAL: Unable to find CMakeLists.txt"
fi
# Remove dangerous things.
_modify-cmakelists
# Fix xdg collision with sandbox
export XDG_CONFIG_HOME="${T}"
# @SEE CMAKE_BUILD_TYPE
if [[ ${CMAKE_BUILD_TYPE} = Gentoo ]]; then
# Handle release builds
if ! has debug ${IUSE//+} || ! use debug; then
append-cppflags -DNDEBUG
fi
fi
# Prepare Gentoo override rules (set valid compiler, append CPPFLAGS etc.)
local build_rules=${CMAKE_BUILD_DIR}/gentoo_rules.cmake
cat > "${build_rules}" <<- _EOF_
SET (CMAKE_AR $(type -P $(tc-getAR)) CACHE FILEPATH "Archive manager" FORCE)
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)
SET (CMAKE_RANLIB $(type -P $(tc-getRANLIB)) CACHE FILEPATH "Archive index generator" FORCE)
_EOF_
has "${EAPI:-0}" 0 1 2 && ! use prefix && EPREFIX=
if [[ ${EPREFIX} ]]; then
cat >> "${build_rules}" <<- _EOF_
# in Prefix we need rpath and must ensure cmake gets our default linker path
# right ... except for Darwin hosts
IF (NOT APPLE)
SET (CMAKE_SKIP_RPATH OFF CACHE BOOL "" FORCE)
SET (CMAKE_PLATFORM_REQUIRED_RUNTIME_PATH "${EPREFIX}/usr/${CHOST}/lib/gcc;${EPREFIX}/usr/${CHOST}/lib;${EPREFIX}/usr/$(get_libdir);${EPREFIX}/$(get_libdir)"
CACHE STRING "" FORCE)
ELSE ()
SET(CMAKE_PREFIX_PATH "${EPREFIX}${PREFIX}" CACHE STRING ""FORCE)
SET(CMAKE_SKIP_BUILD_RPATH OFF CACHE BOOL "" FORCE)
SET(CMAKE_SKIP_RPATH OFF CACHE BOOL "" FORCE)
SET(CMAKE_BUILD_WITH_INSTALL_RPATH TRUE CACHE BOOL "")
SET(CMAKE_INSTALL_RPATH "${EPREFIX}${PREFIX}/lib;${EPREFIX}/usr/${CHOST}/lib/gcc;${EPREFIX}/usr/${CHOST}/lib;${EPREFIX}/usr/$(get_libdir);${EPREFIX}/$(get_libdir)" CACHE STRING "" FORCE)
SET(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE CACHE BOOL "" FORCE)
SET(CMAKE_INSTALL_NAME_DIR "${EPREFIX}${PREFIX}/lib" CACHE STRING "" FORCE)
ENDIF (NOT APPLE)
_EOF_
fi
# Common configure parameters (invariants)
local common_config=${CMAKE_BUILD_DIR}/gentoo_common_config.cmake
local libdir=$(get_libdir)
cat > "${common_config}" <<- _EOF_
SET (LIB_SUFFIX ${libdir/lib} CACHE STRING "library path suffix" FORCE)
SET (CMAKE_INSTALL_LIBDIR ${libdir} CACHE PATH "Output directory for libraries")
_EOF_
[[ "${NOCOLOR}" = true || "${NOCOLOR}" = yes ]] && echo 'SET (CMAKE_COLOR_MAKEFILE OFF CACHE BOOL "pretty colors during make" FORCE)' >> "${common_config}"
# Convert mycmakeargs to an array, for backwards compatibility
# Make the array a local variable since <=portage-2.1.6.x does not
# support global arrays (see bug #297255).
if [[ $(declare -p mycmakeargs 2>&-) != "declare -a mycmakeargs="* ]]; then
local mycmakeargs_local=(${mycmakeargs})
else
local mycmakeargs_local=("${mycmakeargs[@]}")
fi
# Common configure parameters (overridable)
# NOTE CMAKE_BUILD_TYPE can be only overriden via CMAKE_BUILD_TYPE eclass variable
# No -DCMAKE_BUILD_TYPE=xxx definitions will be in effect.
local cmakeargs=(
--no-warn-unused-cli
-C "${common_config}"
-G "$(_generator_to_use)"
-DCMAKE_INSTALL_PREFIX="${EPREFIX}${PREFIX}"
"${mycmakeargs_local[@]}"
-DCMAKE_BUILD_TYPE="${CMAKE_BUILD_TYPE}"
-DCMAKE_INSTALL_DO_STRIP=OFF
-DCMAKE_USER_MAKE_RULES_OVERRIDE="${build_rules}"
"${MYCMAKEARGS}"
)
pushd "${CMAKE_BUILD_DIR}" > /dev/null
debug-print "${LINENO} ${ECLASS} ${FUNCNAME}: mycmakeargs is ${mycmakeargs_local[*]}"
echo "${CMAKE_BINARY}" "${cmakeargs[@]}" "${CMAKE_USE_DIR}"
"${CMAKE_BINARY}" "${cmakeargs[@]}" "${CMAKE_USE_DIR}" || die "cmake failed"
popd > /dev/null
}
enable_cmake-utils_src_compile() {
debug-print-function ${FUNCNAME} "$@"
has src_configure ${CMAKE_EXPF} || cmake-utils_src_configure
cmake-utils_src_make "$@"
}
# @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 [[ $(_generator_to_use) = Ninja ]]; then
# first check if Makefile exist otherwise die
[[ -e build.ninja ]] || die "Makefile not found. Error during configure stage."
if [[ "${CMAKE_VERBOSE}" != "OFF" ]]; then
#TODO get load average from portage (-l option)
ninja ${MAKEOPTS} -v "$@"
else
ninja "$@"
fi || die "ninja failed!"
else
# first check if Makefile exist otherwise die
[[ -e Makefile ]] || die "Makefile not found. Error during configure stage."
if [[ "${CMAKE_VERBOSE}" != "OFF" ]]; then
emake VERBOSE=1 "$@" || die "Make failed!"
else
emake "$@" || die "Make failed!"
fi
fi
popd > /dev/null
}
enable_cmake-utils_src_install() {
debug-print-function ${FUNCNAME} "$@"
_check_build_dir
pushd "${CMAKE_BUILD_DIR}" > /dev/null
if [[ $(_generator_to_use) = Ninja ]]; then
DESTDIR=${D} ninja install "$@" || die "died running ninja install"
base_src_install_docs
else
base_src_install "$@"
fi
popd > /dev/null
# Backward compatibility, for non-array variables
if [[ -n "${DOCS}" ]] && [[ "$(declare -p DOCS 2>/dev/null 2>&1)" != "declare -a"* ]]; then
dodoc ${DOCS} || die "dodoc failed"
fi
if [[ -n "${HTML_DOCS}" ]] && [[ "$(declare -p HTML_DOCS 2>/dev/null 2>&1)" != "declare -a"* ]]; then
dohtml -r ${HTML_DOCS} || die "dohtml failed"
fi
}
enable_cmake-utils_src_test() {
debug-print-function ${FUNCNAME} "$@"
local ctestargs
_check_build_dir
pushd "${CMAKE_BUILD_DIR}" > /dev/null
[[ -e CTestTestfile.cmake ]] || { echo "No tests found. Skipping."; return 0 ; }
[[ -n ${TEST_VERBOSE} ]] && ctestargs="--extra-verbose --output-on-failure"
if ctest ${ctestargs} "$@" ; then
einfo "Tests succeeded."
popd > /dev/null
return 0
else
if [[ -n "${CMAKE_YES_I_WANT_TO_SEE_THE_TEST_LOG}" ]] ; then
# on request from Diego
eerror "Tests failed. Test log ${CMAKE_BUILD_DIR}/Testing/Temporary/LastTest.log follows:"
eerror "--START TEST LOG--------------------------------------------------------------"
cat "${CMAKE_BUILD_DIR}/Testing/Temporary/LastTest.log"
eerror "--END TEST LOG----------------------------------------------------------------"
die "Tests failed."
else
die "Tests failed. When you file a bug, please attach the following file: \n\t${CMAKE_BUILD_DIR}/Testing/Temporary/LastTest.log"
fi
# die might not die due to nonfatal
popd > /dev/null
return 1
fi
}
# @FUNCTION: cmake-utils_src_configure
# @DESCRIPTION:
# General function for configuring with cmake. Default behaviour is to start an
# out-of-source build.
cmake-utils_src_configure() {
_execute_optionaly "src_configure" "$@"
}
# @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.
# Automatically detects the build type. All arguments are passed to emake.
cmake-utils_src_compile() {
_execute_optionaly "src_compile" "$@"
}
# @FUNCTION: cmake-utils_src_install
# @DESCRIPTION:
# Function for installing the package. Automatically detects the build type.
cmake-utils_src_install() {
_execute_optionaly "src_install" "$@"
}
# @FUNCTION: cmake-utils_src_test
# @DESCRIPTION:
# Function for testing the package. Automatically detects the build type.
cmake-utils_src_test() {
_execute_optionaly "src_test" "$@"
}
# Optionally executes phases based on WANT_CMAKE variable/USE flag.
_execute_optionaly() {
local phase="$1" ; shift
if [[ ${WANT_CMAKE} = always ]]; then
enable_cmake-utils_${phase} "$@"
else
use ${WANT_CMAKE} && enable_cmake-utils_${phase} "$@"
fi
}
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