Attachment #602470 for bug #704524

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# Copyright 1999-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

# @ECLASS: cmake.eclass

# 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
# ${CMAKE_USE_DIR}_build.
: ${BUILD_DIR:=${WORKDIR}/${P}_build}

# @ECLASS-VARIABLE: CMAKE_BINARY
# @DESCRIPTION:


# @ECLASS-VARIABLE: CMAKE_REMOVE_MODULES_LIST
# @DESCRIPTION:
# Array of CMake modules that will be removed in ${CMAKE_USE_DIR} during
# src_prepare, in order to force packages to use the system version.
# Set to "none" to disable removing modules entirely.
: ${CMAKE_REMOVE_MODULES_LIST:=FindBLAS FindLAPACK}


# @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 current working directory.

# @ECLASS-VARIABLE: CMAKE_VERBOSE
# @DESCRIPTION:

# @ECLASS-VARIABLE: CMAKE_QA_SRC_DIR_READONLY
# @DEFAULT_UNSET
# @DESCRIPTION:
# After running cmake_src_prepare, sets ${CMAKE_USE_DIR} 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.



# Determine using IN or OUT source build
_cmake_check_build_dir() {
	: ${CMAKE_USE_DIR:=$(pwd)}
	if [[ -n ${CMAKE_IN_SOURCE_BUILD} ]]; then
		# we build in source dir
		BUILD_DIR="${CMAKE_USE_DIR}"
	else
		: ${BUILD_DIR:=${CMAKE_USE_DIR}_build}
	fi

	einfo "Source directory (CMAKE_USE_DIR): \"${CMAKE_USE_DIR}\""
	einfo "Build directory  (BUILD_DIR):     \"${BUILD_DIR}\""

	mkdir -p "${BUILD_DIR}" || die
	einfo "Working in BUILD_DIR: \"$BUILD_DIR\""
}

# @FUNCTION: cmake_comment_add_subdirectory

cmake_src_prepare() {
	debug-print-function ${FUNCNAME} "$@"

	_cmake_check_build_dir

	default_src_prepare
	_cmake_check_build_dir

	# check if CMakeLists.txt exist and if no then die
	if [[ ! -e ${CMAKE_USE_DIR}/CMakeLists.txt ]] ; then


	local name
	for name in "${modules_list[@]}" ; do
		find -name "${name}.cmake" -exec rm -v {} + || die
	done

	# Remove dangerous things.
	_cmake_modify-cmakelists

	# Make ${CMAKE_USE_DIR} read-only in order to detect broken build systems.

	# make ${S} read-only in order to detect broken build-systems
	if [[ ${CMAKE_QA_SRC_DIR_READONLY} && ! ${CMAKE_IN_SOURCE_BUILD} ]]; then
		chmod -R a-w "${CMAKE_USE_DIR}"
	fi

	_CMAKE_SRC_PREPARE_HAS_RUN=1

		die "died running ${CMAKE_MAKEFILE_GENERATOR} install"
	popd > /dev/null || die

	pushd "${CMAKE_USE_DIR}" > /dev/null || die
	einstalldocs
	popd > /dev/null || die
}
- 

Return to bug 704524

Lines 1-4 Link Here

(-)a/eclass/cmake.eclass (-18 / +17 lines)
1	# Copyright 1999-2019 Gentoo Authors	1	# Copyright 1999-2020 Gentoo Authors
2	# Distributed under the terms of the GNU General Public License v2	2	# Distributed under the terms of the GNU General Public License v2
3		3
4	# @ECLASS: cmake.eclass	4	# @ECLASS: cmake.eclass
Lines 25-32 _CMAKE_ECLASS=1 Link Here
25	# Build directory where all cmake processed files should be generated.	25	# Build directory where all cmake processed files should be generated.
26	# For in-source build it's fixed to ${CMAKE_USE_DIR}.	26	# For in-source build it's fixed to ${CMAKE_USE_DIR}.
27	# For out-of-source build it can be overridden, by default it uses	27	# For out-of-source build it can be overridden, by default it uses
28	# ${WORKDIR}/${P}_build.	28	# ${CMAKE_USE_DIR}_build.
29	: ${BUILD_DIR:=${WORKDIR}/${P}_build}
30		29
31	# @ECLASS-VARIABLE: CMAKE_BINARY	30	# @ECLASS-VARIABLE: CMAKE_BINARY
32	# @DESCRIPTION:	31	# @DESCRIPTION:
Lines 57-64 _CMAKE_ECLASS=1 Link Here
57		56
58	# @ECLASS-VARIABLE: CMAKE_REMOVE_MODULES_LIST	57	# @ECLASS-VARIABLE: CMAKE_REMOVE_MODULES_LIST
59	# @DESCRIPTION:	58	# @DESCRIPTION:
60	# Array of CMake modules that will be removed in $S during src_prepare,	59	# Array of CMake modules that will be removed in ${CMAKE_USE_DIR} during
61	# in order to force packages to use the system version.	60	# src_prepare, in order to force packages to use the system version.
62	# Set to "none" to disable removing modules entirely.	61	# Set to "none" to disable removing modules entirely.
63	: ${CMAKE_REMOVE_MODULES_LIST:=FindBLAS FindLAPACK}	62	: ${CMAKE_REMOVE_MODULES_LIST:=FindBLAS FindLAPACK}
64		63
Lines 66-72 _CMAKE_ECLASS=1 Link Here
66	# @DESCRIPTION:	65	# @DESCRIPTION:
67	# Sets the directory where we are working with cmake, for example when	66	# Sets the directory where we are working with cmake, for example when
68	# application uses autotools and only one plugin needs to be done by cmake.	67	# application uses autotools and only one plugin needs to be done by cmake.
69	# By default it uses ${S}.	68	# By default it uses current working directory.
70		69
71	# @ECLASS-VARIABLE: CMAKE_VERBOSE	70	# @ECLASS-VARIABLE: CMAKE_VERBOSE
72	# @DESCRIPTION:	71	# @DESCRIPTION:
Lines 90-96 _CMAKE_ECLASS=1 Link Here
90	# @ECLASS-VARIABLE: CMAKE_QA_SRC_DIR_READONLY	89	# @ECLASS-VARIABLE: CMAKE_QA_SRC_DIR_READONLY
91	# @DEFAULT_UNSET	90	# @DEFAULT_UNSET
92	# @DESCRIPTION:	91	# @DESCRIPTION:
93	# After running cmake_src_prepare, sets ${S} to read-only. This is	92	# After running cmake_src_prepare, sets ${CMAKE_USE_DIR} to read-only. This is
94	# a user flag and should under _no circumstances_ be set in the ebuild.	93	# a user flag and should under _no circumstances_ be set in the ebuild.
95	# Helps in improving QA of build systems that write to source tree.	94	# Helps in improving QA of build systems that write to source tree.
96		95
Lines 137-150 _cmake_banned_func() { Link Here
137		136
138	# Determine using IN or OUT source build	137	# Determine using IN or OUT source build
139	_cmake_check_build_dir() {	138	_cmake_check_build_dir() {
140	: ${CMAKE_USE_DIR:=${S}}	139	: ${CMAKE_USE_DIR:=$(pwd)}
141	if [[ -n ${CMAKE_IN_SOURCE_BUILD} ]]; then	140	if [[ -n ${CMAKE_IN_SOURCE_BUILD} ]]; then
142	# we build in source dir	141	# we build in source dir
143	BUILD_DIR="${CMAKE_USE_DIR}"	142	BUILD_DIR="${CMAKE_USE_DIR}"
		143	else
		144	: ${BUILD_DIR:=${CMAKE_USE_DIR}_build}
144	fi	145	fi
145		146
		147	einfo "Source directory (CMAKE_USE_DIR): \"${CMAKE_USE_DIR}\""
		148	einfo "Build directory (BUILD_DIR): \"${BUILD_DIR}\""
		149
146	mkdir -p "${BUILD_DIR}" \|\| die	150	mkdir -p "${BUILD_DIR}" \|\| die
147	einfo "Working in BUILD_DIR: \"$BUILD_DIR\""
148	}	151	}
149		152
150	# @FUNCTION: cmake_comment_add_subdirectory	153	# @FUNCTION: cmake_comment_add_subdirectory
Lines 294-303 _cmake_modify-cmakelists() { Link Here
294	cmake_src_prepare() {	297	cmake_src_prepare() {
295	debug-print-function ${FUNCNAME} "$@"	298	debug-print-function ${FUNCNAME} "$@"
296		299
297	pushd "${S}" > /dev/null \|\| die	300	_cmake_check_build_dir
298		301
299	default_src_prepare	302	default_src_prepare
300	_cmake_check_build_dir
301		303
302	# check if CMakeLists.txt exist and if no then die	304	# check if CMakeLists.txt exist and if no then die
303	if [[ ! -e ${CMAKE_USE_DIR}/CMakeLists.txt ]] ; then	305	if [[ ! -e ${CMAKE_USE_DIR}/CMakeLists.txt ]] ; then
Lines 323-339 cmake_src_prepare() { Link Here
323		325
324	local name	326	local name
325	for name in "${modules_list[@]}" ; do	327	for name in "${modules_list[@]}" ; do
326	find "${S}" -name ${name}.cmake -exec rm -v {} + \|\| die	328	find -name "${name}.cmake" -exec rm -v {} + \|\| die
327	done	329	done
328		330
329	# Remove dangerous things.	331	# Remove dangerous things.
330	_cmake_modify-cmakelists	332	_cmake_modify-cmakelists
331		333
332	popd > /dev/null \|\| die	334	# Make ${CMAKE_USE_DIR} read-only in order to detect broken build systems.
333
334	# make ${S} read-only in order to detect broken build-systems
335	if [[ ${CMAKE_QA_SRC_DIR_READONLY} && ! ${CMAKE_IN_SOURCE_BUILD} ]]; then	335	if [[ ${CMAKE_QA_SRC_DIR_READONLY} && ! ${CMAKE_IN_SOURCE_BUILD} ]]; then
336	chmod -R a-w "${S}"	336	chmod -R a-w "${CMAKE_USE_DIR}"
337	fi	337	fi
338		338
339	_CMAKE_SRC_PREPARE_HAS_RUN=1	339	_CMAKE_SRC_PREPARE_HAS_RUN=1
Lines 634-640 cmake_src_install() { Link Here
634	die "died running ${CMAKE_MAKEFILE_GENERATOR} install"	634	die "died running ${CMAKE_MAKEFILE_GENERATOR} install"
635	popd > /dev/null \|\| die	635	popd > /dev/null \|\| die
636		636
637	pushd "${S}" > /dev/null \|\| die	637	pushd "${CMAKE_USE_DIR}" > /dev/null \|\| die
638	einstalldocs	638	einstalldocs
639	popd > /dev/null \|\| die	639	popd > /dev/null \|\| die
640	}	640	}
641	-