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Option to export multiple targets #36

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Option to export multiple targets #36

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2253279
Added ability to specify several trgets to install
yesint Jul 9, 2023
a0cd767
Added TARGETS_TO_INSTALL description
yesint Jul 9, 2023
e3a5666
Fixed parsing of multiple targets to install
yesint Jul 9, 2023
1f74b0a
Added automatic detection of targets to install
yesint Jul 10, 2023
f67bdd2
Update README.md
yesint Jul 12, 2023
31a9902
Correcting formatting CMakeLists.txt and adding comments
yesint Jul 12, 2023
9817c7b
Fixed error in older versions of cmake due to absent property descrip…
yesint Jul 18, 2023
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54 changes: 49 additions & 5 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -5,15 +5,37 @@ set(PACKAGE_PROJECT_ROOT_PATH
CACHE INTERNAL "The path to the PackageProject directory"
)

# Add custom TO_INSTALL property to the project targets
define_property(
TARGET
PROPERTY TO_INSTALL
BRIEF_DOCS "Marks traget for installation"
FULL_DOCS "Marks traget for installation"
)

# Function to get all project targets recursively
function (get_all_cmake_targets out_var current_dir)
get_property(targets DIRECTORY ${current_dir} PROPERTY BUILDSYSTEM_TARGETS)
get_property(subdirs DIRECTORY ${current_dir} PROPERTY SUBDIRECTORIES)

foreach(subdir ${subdirs})
get_all_cmake_targets(subdir_targets ${subdir})
list(APPEND targets ${subdir_targets})
endforeach()

set(${out_var} ${targets} PARENT_SCOPE)
endfunction()

# Main function
function(packageProject)
include(CMakePackageConfigHelpers)
include(GNUInstallDirs)

cmake_parse_arguments(
PROJECT
""
"NAME;VERSION;INCLUDE_DIR;INCLUDE_DESTINATION;BINARY_DIR;COMPATIBILITY;EXPORT_HEADER;VERSION_HEADER;NAMESPACE;DISABLE_VERSION_SUFFIX;ARCH_INDEPENDENT;INCLUDE_HEADER_PATTERN;CPACK;"
"DEPENDENCIES"
"NAME;VERSION;INCLUDE_DIR;INCLUDE_DESTINATION;BINARY_DIR;COMPATIBILITY;EXPORT_HEADER;VERSION_HEADER;NAMESPACE;DISABLE_VERSION_SUFFIX;ARCH_INDEPENDENT;INCLUDE_HEADER_PATTERN;CPACK;AUTO_FIND_TARGETS_TO_INSTALL;"
"DEPENDENCIES;TARGETS_TO_INSTALL;"
${ARGN}
)

Expand Down Expand Up @@ -121,8 +143,30 @@ function(packageProject)
COMPATIBILITY ${PROJECT_COMPATIBILITY} ${wbpvf_extra_args}
)

# Populating the list of targets to install
if(PROJECT_AUTO_FIND_TARGETS_TO_INSTALL)
message(STATUS "Searching for targets to install...")
set(PROJECT_TARGETS_TO_INSTALL "")
get_all_cmake_targets(all_targets ${PROJECT_SOURCE_DIR})
foreach(target_name ${all_targets})
get_target_property(inst ${target_name} TO_INSTALL)
if(${inst})
list(APPEND PROJECT_TARGETS_TO_INSTALL ${target_name})
endif()
endforeach()
else()
if(NOT PROJECT_TARGETS_TO_INSTALL)
set(PROJECT_TARGETS_TO_INSTALL ${PROJECT_NAME})
endif()
endif()

message(STATUS "Targets to install:")
foreach(target_name ${PROJECT_TARGETS_TO_INSTALL})
message(STATUS \t${target_name})
endforeach()

install(
TARGETS ${PROJECT_NAME}
TARGETS ${PROJECT_TARGETS_TO_INSTALL}
EXPORT ${PROJECT_NAME}Targets
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}/${PROJECT_NAME}${PROJECT_VERSION_SUFFIX}
COMPONENT "${PROJECT_NAME}_Runtime"
Expand All @@ -139,8 +183,8 @@ function(packageProject)
)

set("${PROJECT_NAME}_INSTALL_CMAKEDIR"
"${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}${PROJECT_VERSION_SUFFIX}"
CACHE PATH "CMake package config location relative to the install prefix"
"${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}${PROJECT_VERSION_SUFFIX}"
CACHE PATH "CMake package config location relative to the install prefix"
)

mark_as_advanced("${PROJECT_NAME}_INSTALL_CMAKEDIR")
Expand Down
5 changes: 5 additions & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,11 @@ packageProject(
NAME ${PROJECT_NAME}
# the version of the target to export
VERSION ${PROJECT_VERSION}
# The next to options are mutually exclusive:
# Explicit list of targets to install. If empty single target ${PROJECT_NAME} is installed.
TARGETS_TO_INSTALL ${PROJECT_TARGETS_TO_INSTALL}
# If YES all the targets in the project with TO_INSTALL property set to true will be installed.
AUTO_FIND_TARGETS_TO_INSTALL NO
# a temporary directory to create the config files
BINARY_DIR ${PROJECT_BINARY_DIR}
# location of the target's public headers
Expand Down