commit: 0fa5f23622bf934ed40bd2f0876084f6e566513a Author: Andreas Sturmlechner <asturm <AT> gentoo <DOT> org> AuthorDate: Sat Nov 16 15:37:58 2019 +0000 Commit: Andreas Sturmlechner <asturm <AT> gentoo <DOT> org> CommitDate: Sat Dec 21 10:33:05 2019 +0000 URL: https://gitweb.gentoo.org/proj/kde.git/commit/?id=0fa5f236
cmake.eclass: Initial copy from cmake-utils.eclass Signed-off-by: Andreas Sturmlechner <asturm <AT> gentoo.org> eclass/cmake.eclass | 826 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 826 insertions(+) diff --git a/eclass/cmake.eclass b/eclass/cmake.eclass new file mode 100644 index 0000000000..e7a48116da --- /dev/null +++ b/eclass/cmake.eclass @@ -0,0 +1,826 @@ +# Copyright 1999-2019 Gentoo Authors +# Distributed under the terms of the GNU General Public License v2 + +# @ECLASS: cmake-utils.eclass +# @MAINTAINER: +# [email protected] +# @AUTHOR: +# Tomáš Chvátal <[email protected]> +# Maciej Mrozowski <[email protected]> +# (undisclosed contributors) +# Original author: Zephyrus ([email protected]) +# @SUPPORTED_EAPIS: 5 6 7 +# @BLURB: common ebuild functions for cmake-based packages +# @DESCRIPTION: +# The cmake-utils eclass 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. + +if [[ -z ${_CMAKE_UTILS_ECLASS} ]]; then +_CMAKE_UTILS_ECLASS=1 + +# @ECLASS-VARIABLE: 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 overridden, by default it uses +# ${WORKDIR}/${P}_build. +# +# This variable has been called CMAKE_BUILD_DIR formerly. +# It is set under that name for compatibility. + +# @ECLASS-VARIABLE: CMAKE_BINARY +# @DESCRIPTION: +# Eclass can use different cmake binary than the one provided in by system. +: ${CMAKE_BINARY:=cmake} + +# @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 +# @DEFAULT_UNSET +# @DESCRIPTION: +# Set to enable in-source build. + +# @ECLASS-VARIABLE: CMAKE_MAKEFILE_GENERATOR +# @DEFAULT_UNSET +# @DESCRIPTION: +# Specify a makefile generator to be used by cmake. +# At this point only "emake" and "ninja" are supported. +# In EAPI 7 and above, the default is set to "ninja", +# whereas in EAPIs below 7, it is set to "emake". + +# @ECLASS-VARIABLE: CMAKE_MIN_VERSION +# @DESCRIPTION: +# Specify the minimum required CMake version. +: ${CMAKE_MIN_VERSION:=3.9.6} + +# @ECLASS-VARIABLE: CMAKE_REMOVE_MODULES +# @DESCRIPTION: +# Do we want to remove anything? yes or whatever else for no +: ${CMAKE_REMOVE_MODULES:=yes} + +# @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:=FindBLAS FindLAPACK} + +# @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: CMAKE_WARN_UNUSED_CLI +# @DESCRIPTION: +# Warn about variables that are declared on the command line +# but not used. Might give false-positives. +# "no" to disable (default) or anything else to enable. + +# @ECLASS-VARIABLE: CMAKE_EXTRA_CACHE_FILE +# @DEFAULT_UNSET +# @DESCRIPTION: +# Specifies an extra cache file to pass to cmake. This is the analog of EXTRA_ECONF +# for econf and is needed to pass TRY_RUN results when cross-compiling. +# Should be set by user in a per-package basis in /etc/portage/package.env. + +# @ECLASS-VARIABLE: CMAKE_UTILS_QA_SRC_DIR_READONLY +# @DEFAULT_UNSET +# @DESCRIPTION: +# After running cmake-utils_src_prepare, sets ${S} to read-only. This is +# a user flag and should under _no circumstances_ be set in the ebuild. +# Helps in improving QA of build systems that write to source tree. + +case ${EAPI} in + 5) : ${CMAKE_WARN_UNUSED_CLI:=no} ;; + 6|7) : ${CMAKE_WARN_UNUSED_CLI:=yes} ;; + *) die "EAPI=${EAPI:-0} is not supported" ;; +esac + +inherit toolchain-funcs ninja-utils flag-o-matic multiprocessing xdg-utils + +case ${EAPI} in + [56]) + : ${CMAKE_MAKEFILE_GENERATOR:=emake} + inherit eutils multilib + ;; + *) + : ${CMAKE_MAKEFILE_GENERATOR:=ninja} + ;; +esac + +EXPORT_FUNCTIONS src_prepare src_configure src_compile src_test src_install + +if [[ ${WANT_CMAKE} ]]; then + if [[ ${EAPI} != [56] ]]; then + die "\${WANT_CMAKE} has been removed and is a no-op now" + else + eqawarn "\${WANT_CMAKE} has been removed and is a no-op now" + fi +fi +[[ ${PREFIX} ]] && die "\${PREFIX} has been removed and is a no-op now" + +case ${CMAKE_MAKEFILE_GENERATOR} in + emake) + BDEPEND="sys-devel/make" + ;; + ninja) + BDEPEND="dev-util/ninja" + ;; + *) + eerror "Unknown value for \${CMAKE_MAKEFILE_GENERATOR}" + die "Value ${CMAKE_MAKEFILE_GENERATOR} is not supported" + ;; +esac + +if [[ ${PN} != cmake ]]; then + BDEPEND+=" >=dev-util/cmake-${CMAKE_MIN_VERSION}" +fi + +case ${EAPI} in + 7) ;; + *) DEPEND=" ${BDEPEND}" ;; +esac + +# Internal functions used by cmake-utils_use_* +_cmake_use_me_now() { + debug-print-function ${FUNCNAME} "$@" + + local arg=$2 + [[ ! -z $3 ]] && arg=$3 + + [[ ${EAPI} == 5 ]] || die "${FUNCNAME[1]} is banned in EAPI 6 and later: use -D$1<related_CMake_variable>=\"\$(usex $2)\" instead" + + 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 +} +_cmake_use_me_now_inverted() { + debug-print-function ${FUNCNAME} "$@" + + local arg=$2 + [[ ! -z $3 ]] && arg=$3 + + if [[ ${EAPI} != 5 && "${FUNCNAME[1]}" != cmake-utils_use_find_package ]] ; then + die "${FUNCNAME[1]} is banned in EAPI 6 and later: use -D$1<related_CMake_variable>=\"\$(usex $2)\" instead" + fi + + 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 +} + +# Determine using IN or OUT source build +_cmake_check_build_dir() { + : ${CMAKE_USE_DIR:=${S}} + if [[ -n ${CMAKE_IN_SOURCE_BUILD} ]]; then + # we build in source dir + BUILD_DIR="${CMAKE_USE_DIR}" + else + # Respect both the old variable and the new one, depending + # on which one was set by the ebuild. + if [[ ! ${BUILD_DIR} && ${CMAKE_BUILD_DIR} ]]; then + if [[ ${EAPI} != [56] ]]; then + eerror "The CMAKE_BUILD_DIR variable has been renamed to BUILD_DIR." + die "The ebuild must be migrated to BUILD_DIR." + else + eqawarn "The CMAKE_BUILD_DIR variable has been renamed to BUILD_DIR." + eqawarn "Please migrate the ebuild to use the new one." + fi + + # In the next call, both variables will be set already + # and we'd have to know which one takes precedence. + _RESPECT_CMAKE_BUILD_DIR=1 + fi + + if [[ ${_RESPECT_CMAKE_BUILD_DIR} ]]; then + BUILD_DIR=${CMAKE_BUILD_DIR:-${WORKDIR}/${P}_build} + else + : ${BUILD_DIR:=${WORKDIR}/${P}_build} + fi + fi + + # Backwards compatibility for getting the value. + [[ ${EAPI} == [56] ]] && CMAKE_BUILD_DIR=${BUILD_DIR} + + mkdir -p "${BUILD_DIR}" || die + echo ">>> Working in BUILD_DIR: \"$BUILD_DIR\"" +} + +# Determine which generator to use +_cmake_generator_to_use() { + local generator_name + + case ${CMAKE_MAKEFILE_GENERATOR} in + ninja) + # if ninja is enabled but not installed, the build could fail + # this could happen if ninja is manually enabled (eg. make.conf) but not installed + case ${EAPI} in + 5|6) + if ! ROOT=/ has_version dev-util/ninja; then + die "CMAKE_MAKEFILE_GENERATOR is set to ninja, but ninja is not installed. Please install dev-util/ninja or unset CMAKE_MAKEFILE_GENERATOR." + fi + ;; + *) + if ! has_version -b dev-util/ninja; then + die "CMAKE_MAKEFILE_GENERATOR is set to ninja, but ninja is not installed. Please install dev-util/ninja or unset CMAKE_MAKEFILE_GENERATOR." + fi + ;; + esac + generator_name="Ninja" + ;; + emake) + generator_name="Unix Makefiles" + ;; + *) + eerror "Unknown value for \${CMAKE_MAKEFILE_GENERATOR}" + die "Value ${CMAKE_MAKEFILE_GENERATOR} is not supported" + ;; + esac + + echo ${generator_name} +} + +# @FUNCTION: cmake_comment_add_subdirectory +# @USAGE: <subdirectory> +# @DESCRIPTION: +# Comment out one or more add_subdirectory calls in CMakeLists.txt in the current directory +cmake_comment_add_subdirectory() { + if [[ -z ${1} ]]; then + die "comment_add_subdirectory must be passed at least one directory name to comment" + fi + + if [[ -e "CMakeLists.txt" ]]; then + local d + for d in $@; do + sed -e "/add_subdirectory[[:space:]]*([[:space:]]*${d//\//\\/}[[:space:]]*)/I s/^/#DONOTCOMPILE /" \ + -i CMakeLists.txt || die "failed to comment add_subdirectory(${d})" + done + fi +} + +# @FUNCTION: comment_add_subdirectory +# @USAGE: <subdirectory> +# @DESCRIPTION: +# Comment out an add_subdirectory call in CMakeLists.txt in the current directory +# Banned in EAPI 6 and later - use cmake_comment_add_subdirectory instead. +comment_add_subdirectory() { + [[ ${EAPI} == 5 ]] || die "comment_add_subdirectory is banned in EAPI 6 and later - use cmake_comment_add_subdirectory instead" + + cmake_comment_add_subdirectory "$@" +} + +# @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() { _cmake_use_me_now WITH_ "$@" ; } + +# @FUNCTION: cmake-utils_use_enable +# @USAGE: <USE flag> [flag name] +# @DESCRIPTION: +# Based on use_enable. See ebuild(5). +# +# `cmake-utils_use_enable foo FOO` echoes -DENABLE_FOO=ON if foo is enabled +# and -DENABLE_FOO=OFF if it is disabled. +cmake-utils_use_enable() { _cmake_use_me_now ENABLE_ "$@" ; } + +# @FUNCTION: cmake-utils_use_find_package +# @USAGE: <USE flag> <package name> +# @DESCRIPTION: +# Based on use_enable. See ebuild(5). +# +# `cmake-utils_use_find_package foo LibFoo` echoes -DCMAKE_DISABLE_FIND_PACKAGE_LibFoo=OFF +# if foo is enabled and -DCMAKE_DISABLE_FIND_PACKAGE_LibFoo=ON if it is disabled. +# This can be used to make find_package optional. +cmake-utils_use_find_package() { + if [[ ${EAPI} != 5 && "$#" != 2 ]] ; then + die "Usage: cmake-utils_use_find_package <USE flag> <package name>" + fi + + _cmake_use_me_now_inverted CMAKE_DISABLE_FIND_PACKAGE_ "$@" ; +} + +# @FUNCTION: cmake-utils_use_disable +# @USAGE: <USE flag> [flag name] +# @DESCRIPTION: +# Based on inversion of use_enable. See ebuild(5). +# +# `cmake-utils_use_enable foo FOO` echoes -DDISABLE_FOO=OFF if foo is enabled +# and -DDISABLE_FOO=ON if it is disabled. +cmake-utils_use_disable() { _cmake_use_me_now_inverted DISABLE_ "$@" ; } + +# @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() { _cmake_use_me_now_inverted NO_ "$@" ; } + +# @FUNCTION: cmake-utils_use_want +# @USAGE: <USE flag> [flag name] +# @DESCRIPTION: +# Based on use_enable. See ebuild(5). +# +# `cmake-utils_use_want foo FOO` echoes -DWANT_FOO=ON if foo is enabled +# and -DWANT_FOO=OFF if it is disabled. +cmake-utils_use_want() { _cmake_use_me_now WANT_ "$@" ; } + +# @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() { _cmake_use_me_now BUILD_ "$@" ; } + +# @FUNCTION: cmake-utils_use_has +# @USAGE: <USE flag> [flag name] +# @DESCRIPTION: +# Based on use_enable. See ebuild(5). +# +# `cmake-utils_use_has foo FOO` echoes -DHAVE_FOO=ON if foo is enabled +# and -DHAVE_FOO=OFF if it is disabled. +cmake-utils_use_has() { _cmake_use_me_now HAVE_ "$@" ; } + +# @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() { _cmake_use_me_now USE_ "$@" ; } + +# @FUNCTION: cmake-utils_use +# @USAGE: <USE flag> [flag name] +# @DESCRIPTION: +# Based on use_enable. See ebuild(5). +# +# `cmake-utils_use foo FOO` echoes -DFOO=ON if foo is enabled +# and -DFOO=OFF if it is disabled. +cmake-utils_use() { _cmake_use_me_now "" "$@" ; } + +# @FUNCTION: cmake-utils_useno +# @USAGE: <USE flag> [flag name] +# @DESCRIPTION: +# Based on use_enable. See ebuild(5). +# +# `cmake-utils_useno foo NOFOO` echoes -DNOFOO=OFF if foo is enabled +# and -DNOFOO=ON if it is disabled. +cmake-utils_useno() { _cmake_use_me_now_inverted "" "$@" ; } + +# Internal function for modifying hardcoded definitions. +# Removes dangerous definitions that override Gentoo settings. +_cmake_modify-cmakelists() { + debug-print-function ${FUNCNAME} "$@" + + # Only edit the files once + grep -qs "<<< Gentoo configuration >>>" "${CMAKE_USE_DIR}"/CMakeLists.txt && return 0 + + # Comment out all set (<some_should_be_user_defined_variable> value) + find "${CMAKE_USE_DIR}" -name CMakeLists.txt -exec sed \ + -e '/^[[:space:]]*set[[:space:]]*([[:space:]]*CMAKE_BUILD_TYPE\([[:space:]].*)\|)\)/I{s/^/#_cmake_modify_IGNORE /g}' \ + -e '/^[[:space:]]*set[[:space:]]*([[:space:]]*CMAKE_COLOR_MAKEFILE[[:space:]].*)/I{s/^/#_cmake_modify_IGNORE /g}' \ + -e '/^[[:space:]]*set[[:space:]]*([[:space:]]*CMAKE_INSTALL_PREFIX[[:space:]].*)/I{s/^/#_cmake_modify_IGNORE /g}' \ + -e '/^[[:space:]]*set[[:space:]]*([[:space:]]*CMAKE_VERBOSE_MAKEFILE[[:space:]].*)/I{s/^/#_cmake_modify_IGNORE /g}' \ + -i {} + || die "${LINENO}: failed to disable hardcoded settings" + local x + for x in $(find "${CMAKE_USE_DIR}" -name CMakeLists.txt -exec grep -l "^#_cmake_modify_IGNORE" {} +;); do + einfo "Hardcoded definition(s) removed in $(echo "${x}" | cut -c $((${#CMAKE_USE_DIR}+2))-):" + einfo "$(grep -se '^#_cmake_modify_IGNORE' ${x} | cut -c 22-99)" + done + + # NOTE Append some useful summary here + cat >> "${CMAKE_USE_DIR}"/CMakeLists.txt <<- _EOF_ || die + + 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_ +} + +# temporary function for moving cmake cleanups from from src_configure -> src_prepare. +# bug #378850 +_cmake_cleanup_cmake() { + : ${CMAKE_USE_DIR:=${S}} + + if [[ "${CMAKE_REMOVE_MODULES}" == "yes" ]] ; then + local name + for name in ${CMAKE_REMOVE_MODULES_LIST} ; do + find "${S}" -name ${name}.cmake -exec rm -v {} + || die + done + fi + + # 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. + _cmake_modify-cmakelists +} + +# @FUNCTION: cmake-utils_src_prepare +# @DESCRIPTION: +# Apply ebuild and user patches. +cmake-utils_src_prepare() { + debug-print-function ${FUNCNAME} "$@" + + pushd "${S}" > /dev/null || die + + if [[ ${EAPI} != 5 ]]; then + default_src_prepare + _cmake_cleanup_cmake + else + debug-print "$FUNCNAME: PATCHES=$PATCHES" + [[ ${PATCHES[@]} ]] && epatch "${PATCHES[@]}" + + debug-print "$FUNCNAME: applying user patches" + epatch_user + fi + + popd > /dev/null || die + + # make ${S} read-only in order to detect broken build-systems + if [[ ${CMAKE_UTILS_QA_SRC_DIR_READONLY} && ! ${CMAKE_IN_SOURCE_BUILD} ]]; then + chmod -R a-w "${S}" + fi + + _CMAKE_UTILS_SRC_PREPARE_HAS_RUN=1 +} + +# @VARIABLE: mycmakeargs +# @DEFAULT_UNSET +# @DESCRIPTION: +# Optional cmake defines as a bash array. Should be defined before calling +# src_configure. +# @CODE +# src_configure() { +# local mycmakeargs=( +# $(cmake-utils_use_with openconnect) +# ) +# +# cmake-utils_src_configure +# } +# @CODE + +# @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 ${FUNCNAME} "$@" + + if [[ ! ${_CMAKE_UTILS_SRC_PREPARE_HAS_RUN} ]]; then + if [[ ${EAPI} != [56] ]]; then + die "FATAL: cmake-utils_src_prepare has not been run" + else + eqawarn "cmake-utils_src_prepare has not been run, please open a bug on https://bugs.gentoo.org/"; + fi + fi + + [[ ${EAPI} == 5 ]] && _cmake_cleanup_cmake + + _cmake_check_build_dir + + # Fix xdg collision with sandbox + xdg_environment_reset + + # @SEE CMAKE_BUILD_TYPE + if [[ ${CMAKE_BUILD_TYPE} = Gentoo ]]; then + # Handle release builds + if ! has debug ${IUSE//+} || ! use debug; then + local CPPFLAGS=${CPPFLAGS} + append-cppflags -DNDEBUG + fi + fi + + # Prepare Gentoo override rules (set valid compiler, append CPPFLAGS etc.) + local build_rules=${BUILD_DIR}/gentoo_rules.cmake + + cat > "${build_rules}" <<- _EOF_ || die + SET (CMAKE_ASM_COMPILE_OBJECT "<CMAKE_ASM_COMPILER> <DEFINES> <INCLUDES> ${CPPFLAGS} <FLAGS> -o <OBJECT> -c <SOURCE>" CACHE STRING "ASM compile command" FORCE) + SET (CMAKE_ASM-ATT_COMPILE_OBJECT "<CMAKE_ASM-ATT_COMPILER> <DEFINES> <INCLUDES> ${CPPFLAGS} <FLAGS> -o <OBJECT> -c -x assembler <SOURCE>" CACHE STRING "ASM-ATT compile command" FORCE) + SET (CMAKE_ASM-ATT_LINK_FLAGS "-nostdlib" CACHE STRING "ASM-ATT link flags" FORCE) + SET (CMAKE_C_COMPILE_OBJECT "<CMAKE_C_COMPILER> <DEFINES> <INCLUDES> ${CPPFLAGS} <FLAGS> -o <OBJECT> -c <SOURCE>" CACHE STRING "C compile command" FORCE) + SET (CMAKE_CXX_COMPILE_OBJECT "<CMAKE_CXX_COMPILER> <DEFINES> <INCLUDES> ${CPPFLAGS} <FLAGS> -o <OBJECT> -c <SOURCE>" CACHE STRING "C++ compile command" FORCE) + SET (CMAKE_Fortran_COMPILE_OBJECT "<CMAKE_Fortran_COMPILER> <DEFINES> <INCLUDES> ${FCFLAGS} <FLAGS> -o <OBJECT> -c <SOURCE>" CACHE STRING "Fortran compile command" FORCE) + _EOF_ + + local myCC=$(tc-getCC) myCXX=$(tc-getCXX) myFC=$(tc-getFC) + + # !!! IMPORTANT NOTE !!! + # Single slash below is intentional. CMake is weird and wants the + # CMAKE_*_VARIABLES split into two elements: the first one with + # compiler path, and the second one with all command-line options, + # space separated. + local toolchain_file=${BUILD_DIR}/gentoo_toolchain.cmake + cat > ${toolchain_file} <<- _EOF_ || die + SET (CMAKE_ASM_COMPILER "${myCC/ /;}") + SET (CMAKE_ASM-ATT_COMPILER "${myCC/ /;}") + SET (CMAKE_C_COMPILER "${myCC/ /;}") + SET (CMAKE_CXX_COMPILER "${myCXX/ /;}") + SET (CMAKE_Fortran_COMPILER "${myFC/ /;}") + SET (CMAKE_AR $(type -P $(tc-getAR)) CACHE FILEPATH "Archive manager" FORCE) + SET (CMAKE_RANLIB $(type -P $(tc-getRANLIB)) CACHE FILEPATH "Archive index generator" FORCE) + SET (CMAKE_SYSTEM_PROCESSOR "${CHOST%%-*}") + _EOF_ + + # We are using the C compiler for assembly by default. + local -x ASMFLAGS=${CFLAGS} + local -x PKG_CONFIG=$(tc-getPKG_CONFIG) + + if tc-is-cross-compiler; then + local sysname + case "${KERNEL:-linux}" in + Cygwin) sysname="CYGWIN_NT-5.1" ;; + HPUX) sysname="HP-UX" ;; + linux) sysname="Linux" ;; + Winnt) + sysname="Windows" + cat >> "${toolchain_file}" <<- _EOF_ || die + SET (CMAKE_RC_COMPILER $(tc-getRC)) + _EOF_ + ;; + *) sysname="${KERNEL}" ;; + esac + + cat >> "${toolchain_file}" <<- _EOF_ || die + SET (CMAKE_SYSTEM_NAME "${sysname}") + _EOF_ + + if [ "${SYSROOT:-/}" != "/" ] ; then + # When cross-compiling with a sysroot (e.g. with crossdev's emerge wrappers) + # we need to tell cmake to use libs/headers from the sysroot but programs from / only. + cat >> "${toolchain_file}" <<- _EOF_ || die + SET (CMAKE_FIND_ROOT_PATH "${SYSROOT}") + SET (CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER) + SET (CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY) + SET (CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY) + _EOF_ + fi + fi + + if use prefix-guest; then + cat >> "${build_rules}" <<- _EOF_ || die + # 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 "${EPREFIX}/usr" CACHE STRING "" FORCE) + SET (CMAKE_MACOSX_RPATH ON CACHE BOOL "" FORCE) + SET (CMAKE_SKIP_BUILD_RPATH OFF CACHE BOOL "" FORCE) + SET (CMAKE_SKIP_RPATH OFF CACHE BOOL "" FORCE) + SET (CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE CACHE BOOL "" FORCE) + + ENDIF (NOT APPLE) + _EOF_ + fi + + # Common configure parameters (invariants) + local common_config=${BUILD_DIR}/gentoo_common_config.cmake + local libdir=$(get_libdir) + cat > "${common_config}" <<- _EOF_ || die + SET (CMAKE_GENTOO_BUILD ON CACHE BOOL "Indicate Gentoo package build") + SET (LIB_SUFFIX ${libdir/lib} CACHE STRING "library path suffix" FORCE) + SET (CMAKE_INSTALL_LIBDIR ${libdir} CACHE PATH "Output directory for libraries") + SET (CMAKE_INSTALL_INFODIR "${EPREFIX}/usr/share/info" CACHE PATH "") + SET (CMAKE_INSTALL_MANDIR "${EPREFIX}/usr/share/man" CACHE PATH "") + SET (CMAKE_USER_MAKE_RULES_OVERRIDE "${build_rules}" CACHE FILEPATH "Gentoo override rules") + _EOF_ + [[ "${NOCOLOR}" = true || "${NOCOLOR}" = yes ]] && echo 'SET (CMAKE_COLOR_MAKEFILE OFF CACHE BOOL "pretty colors during make" FORCE)' >> "${common_config}" + + if [[ ${EAPI} != [56] ]]; then + cat >> "${common_config}" <<- _EOF_ || die + SET (CMAKE_INSTALL_DOCDIR "${EPREFIX}/usr/share/doc/${PF}" CACHE PATH "") + SET (BUILD_SHARED_LIBS ON CACHE BOOL "") + _EOF_ + fi + + # Wipe the default optimization flags out of CMake + if [[ ${CMAKE_BUILD_TYPE} != Gentoo && ${EAPI} != 5 ]]; then + cat >> ${common_config} <<- _EOF_ || die + SET (CMAKE_ASM_FLAGS_${CMAKE_BUILD_TYPE^^} "" CACHE STRING "") + SET (CMAKE_ASM-ATT_FLAGS_${CMAKE_BUILD_TYPE^^} "" CACHE STRING "") + SET (CMAKE_C_FLAGS_${CMAKE_BUILD_TYPE^^} "" CACHE STRING "") + SET (CMAKE_CXX_FLAGS_${CMAKE_BUILD_TYPE^^} "" CACHE STRING "") + SET (CMAKE_Fortran_FLAGS_${CMAKE_BUILD_TYPE^^} "" CACHE STRING "") + SET (CMAKE_EXE_LINKER_FLAGS_${CMAKE_BUILD_TYPE^^} "" CACHE STRING "") + SET (CMAKE_MODULE_LINKER_FLAGS_${CMAKE_BUILD_TYPE^^} "" CACHE STRING "") + SET (CMAKE_SHARED_LINKER_FLAGS_${CMAKE_BUILD_TYPE^^} "" CACHE STRING "") + SET (CMAKE_STATIC_LINKER_FLAGS_${CMAKE_BUILD_TYPE^^} "" CACHE STRING "") + _EOF_ + fi + + # 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). + local mycmakeargstype=$(declare -p mycmakeargs 2>&-) + if [[ "${mycmakeargstype}" != "declare -a mycmakeargs="* ]]; then + if [[ -n "${mycmakeargstype}" ]] ; then + if [[ ${EAPI} == 5 ]]; then + eqawarn "Declaring mycmakeargs as a variable is deprecated. Please use an array instead." + else + die "Declaring mycmakeargs as a variable is banned in EAPI=${EAPI}. Please use an array instead." + fi + fi + local mycmakeargs_local=(${mycmakeargs}) + else + local mycmakeargs_local=("${mycmakeargs[@]}") + fi + + if [[ ${CMAKE_WARN_UNUSED_CLI} == no ]] ; then + local warn_unused_cli="--no-warn-unused-cli" + else + local warn_unused_cli="" + fi + + # Common configure parameters (overridable) + # NOTE CMAKE_BUILD_TYPE can be only overridden via CMAKE_BUILD_TYPE eclass variable + # No -DCMAKE_BUILD_TYPE=xxx definitions will be in effect. + local cmakeargs=( + ${warn_unused_cli} + -C "${common_config}" + -G "$(_cmake_generator_to_use)" + -DCMAKE_INSTALL_PREFIX="${EPREFIX}/usr" + "${mycmakeargs_local[@]}" + -DCMAKE_BUILD_TYPE="${CMAKE_BUILD_TYPE}" + $([[ ${EAPI} == 5 ]] && echo -DCMAKE_INSTALL_DO_STRIP=OFF) + -DCMAKE_TOOLCHAIN_FILE="${toolchain_file}" + "${MYCMAKEARGS}" + ) + + if [[ -n "${CMAKE_EXTRA_CACHE_FILE}" ]] ; then + cmakeargs+=( -C "${CMAKE_EXTRA_CACHE_FILE}" ) + fi + + pushd "${BUILD_DIR}" > /dev/null || die + 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 || die +} + +# @FUNCTION: cmake-utils_src_compile +# @DESCRIPTION: +# General function for compiling with cmake. +# Automatically detects the build type. All arguments are passed to emake. +cmake-utils_src_compile() { + debug-print-function ${FUNCNAME} "$@" + + cmake-utils_src_make "$@" +} + +# @FUNCTION: _cmake_ninja_src_make +# @INTERNAL +# @DESCRIPTION: +# Build the package using ninja generator +_cmake_ninja_src_make() { + debug-print-function ${FUNCNAME} "$@" + + [[ -e build.ninja ]] || die "build.ninja not found. Error during configure stage." + + eninja "$@" +} + +# @FUNCTION: _cmake_emake_src_make +# @INTERNAL +# @DESCRIPTION: +# Build the package using make generator +_cmake_emake_src_make() { + debug-print-function ${FUNCNAME} "$@" + + [[ -e Makefile ]] || die "Makefile not found. Error during configure stage." + + if [[ "${CMAKE_VERBOSE}" != "OFF" ]]; then + emake VERBOSE=1 "$@" || die + else + emake "$@" || die + fi + +} + +# @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 ${FUNCNAME} "$@" + + _cmake_check_build_dir + pushd "${BUILD_DIR}" > /dev/null || die + + _cmake_${CMAKE_MAKEFILE_GENERATOR}_src_make "$@" + + popd > /dev/null || die +} + +# @FUNCTION: cmake-utils_src_test +# @DESCRIPTION: +# Function for testing the package. Automatically detects the build type. +cmake-utils_src_test() { + debug-print-function ${FUNCNAME} "$@" + + _cmake_check_build_dir + pushd "${BUILD_DIR}" > /dev/null || die + [[ -e CTestTestfile.cmake ]] || { echo "No tests found. Skipping."; return 0 ; } + + [[ -n ${TEST_VERBOSE} ]] && myctestargs+=( --extra-verbose --output-on-failure ) + + set -- ctest -j "$(makeopts_jobs)" --test-load "$(makeopts_loadavg)" "${myctestargs[@]}" "$@" + echo "$@" >&2 + if "$@" ; then + einfo "Tests succeeded." + popd > /dev/null || die + return 0 + else + if [[ -n "${CMAKE_YES_I_WANT_TO_SEE_THE_TEST_LOG}" ]] ; then + # on request from Diego + eerror "Tests failed. Test log ${BUILD_DIR}/Testing/Temporary/LastTest.log follows:" + eerror "--START TEST LOG--------------------------------------------------------------" + cat "${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${BUILD_DIR}/Testing/Temporary/LastTest.log" + fi + + # die might not die due to nonfatal + popd > /dev/null || die + return 1 + fi +} + +# @FUNCTION: cmake-utils_src_install +# @DESCRIPTION: +# Function for installing the package. Automatically detects the build type. +cmake-utils_src_install() { + debug-print-function ${FUNCNAME} "$@" + + _cmake_check_build_dir + pushd "${BUILD_DIR}" > /dev/null || die + DESTDIR="${D}" ${CMAKE_MAKEFILE_GENERATOR} install "$@" || die "died running ${CMAKE_MAKEFILE_GENERATOR} install" + popd > /dev/null || die + + pushd "${S}" > /dev/null || die + einstalldocs + popd > /dev/null || die +} + +fi
