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# DistTarget.cmake
#
# Defines custom targets related to distributing source code.
# It requires to have populated 'PROJECT_NAME' and 'PROJECT_VERSION' variables,
# possibly through the project() command. It also uses 'PROJECT_DISTCONFIGURE_PARAMS'
# variable when configuring the unpacked distribution.
#
# Added targets:
# dist - only creates a tarball
# disttest - creates a tarball and 'make && make install' it to a temporary prefix
# to verify that the code can be built and installed; it also verifies
# that the first line of the NEWS file contains the same version as
# the tarball and that it claims today's date.
# distcheck - similar to 'disttest', only runs also 'make check' before installing
# Filenames for tarball
set(ARCHIVE_BASE_NAME ${PROJECT_NAME}-${PROJECT_VERSION})
set(ARCHIVE_FULL_NAME ${ARCHIVE_BASE_NAME}.tar.xz)
add_custom_target(dist
COMMAND ${CMAKE_COMMAND} -E chdir . "${CMAKE_SOURCE_DIR}/cmake/verify-pre-dist.sh"
COMMAND ${CMAKE_COMMAND} -E echo "Creating '${ARCHIVE_FULL_NAME}'..."
COMMAND git archive --prefix=${ARCHIVE_BASE_NAME}/ HEAD | xz -z > ${CMAKE_BINARY_DIR}/${ARCHIVE_FULL_NAME}
COMMAND ${CMAKE_COMMAND} -E echo "Distribution tarball '${ARCHIVE_FULL_NAME}' created at ${CMAKE_BINARY_DIR}"
WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
)
set(disttest_extract_dir "${CMAKE_BINARY_DIR}/${ARCHIVE_BASE_NAME}")
set(disttest_build_dir "${disttest_extract_dir}/_build")
set(disttest_install_dir "${disttest_extract_dir}/_install")
add_custom_command(OUTPUT ${disttest_build_dir}/Makefile
# remove any left-over directory
COMMAND ${CMAKE_COMMAND} -E remove_directory ${disttest_extract_dir}
# extract the tarball
COMMAND ${CMAKE_COMMAND} -E chdir ${CMAKE_BINARY_DIR} tar -xf ${ARCHIVE_FULL_NAME}
# verify the NEWS file contains what it should contain
COMMAND ${CMAKE_COMMAND} -E chdir ${CMAKE_BINARY_DIR}
bash ${CMAKE_SOURCE_DIR}/cmake/verify-news-file.sh "${disttest_extract_dir}/NEWS" "${PROJECT_VERSION}"
# create a _build sub-directory
COMMAND ${CMAKE_COMMAND} -E make_directory "${disttest_build_dir}"
# configure the project with PROJECT_DISTCHECK_PARAMS
COMMAND ${CMAKE_COMMAND} -E chdir "${disttest_build_dir}"
${CMAKE_COMMAND} -G "Unix Makefiles"
${PROJECT_DISTCONFIGURE_PARAMS}
-DCMAKE_BUILD_TYPE=Release
-DCMAKE_INSTALL_PREFIX="${disttest_install_dir}"
..
# 'make' the project
COMMAND ${CMAKE_COMMAND} -E chdir ${disttest_build_dir} make -j
DEPENDS dist
COMMENT "Building from distribution tarball ${ARCHIVE_FULL_NAME}..."
)
add_custom_target(distcheck
# 'make check' the project
COMMAND ${CMAKE_COMMAND} -E chdir ${disttest_build_dir} make -j check
# 'make install' the project
COMMAND ${CMAKE_COMMAND} -E chdir ${disttest_build_dir} make -j install
# if we get this far, then everything worked, thus clean up
COMMAND ${CMAKE_COMMAND} -E remove_directory ${disttest_extract_dir}
# and show the good news
COMMAND ${CMAKE_COMMAND} -E echo "distcheck of '${ARCHIVE_FULL_NAME}' succeeded"
DEPENDS ${disttest_build_dir}/Makefile
)
add_custom_target(disttest
# 'make install' the project
COMMAND ${CMAKE_COMMAND} -E chdir ${disttest_build_dir} make -j install
# if we get this far, then everything worked, thus clean up
COMMAND ${CMAKE_COMMAND} -E remove_directory ${disttest_extract_dir}
# and show the good news
COMMAND ${CMAKE_COMMAND} -E echo "disttest of '${ARCHIVE_FULL_NAME}' succeeded"
DEPENDS ${disttest_build_dir}/Makefile
)
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