vcpkg/scripts/cmake/z_vcpkg_setup_pkgconfig_path.cmake
Kai Pastor 69cd3402c0
[vcpkg_setup_pkgconfig_path] Fix backup/restore (#25361)
* Unit-test vcpkg_backup/restore_env_vars

* Unit-test z_vcpkg_setup/restore_pkgconfig_path

* Fix z_vcpkg_setup_pkgconfig_path env var backup

* Move parent-scoping into vcpkg_backup_env_variables command

* Test repeated restore

* Unset z_vcpkg_backup_env_variables_arg_vars

* Documentation updates

* Inline pkgconfig env vars backup

* Revert obsolete changes

* Fix typo

* Remove duplicate doc file
2022-06-29 14:47:44 -07:00

48 lines
1.8 KiB
CMake

function(z_vcpkg_setup_pkgconfig_path)
cmake_parse_arguments(PARSE_ARGV 0 "arg" "" "" "BASE_DIRS")
if(NOT DEFINED arg_BASE_DIRS OR "${arg_BASE_DIRS}" STREQUAL "")
message(FATAL_ERROR "BASE_DIRS is required.")
endif()
if(DEFINED arg_UNPARSED_ARGUMENTS)
message(FATAL_ERROR "${CMAKE_CURRENT_FUNCTION} was passed extra arguments: ${arg_UNPARSED_ARGUMENTS}")
endif()
foreach(envvar IN ITEMS PKG_CONFIG PKG_CONFIG_PATH)
if(DEFINED ENV{${envvar}})
set("z_vcpkg_env_backup_${envvar}" "$ENV{${envvar}}" PARENT_SCOPE)
else()
unset("z_vcpkg_env_backup_${envvar}" PARENT_SCOPE)
endif()
endforeach()
vcpkg_find_acquire_program(PKGCONFIG)
get_filename_component(pkgconfig_path "${PKGCONFIG}" DIRECTORY)
vcpkg_add_to_path("${pkgconfig_path}")
set(ENV{PKG_CONFIG} "${PKGCONFIG}") # Set via native file?
foreach(base_dir IN LISTS arg_BASE_DIRS)
vcpkg_host_path_list(PREPEND ENV{PKG_CONFIG_PATH} "${base_dir}/share/pkgconfig/")
endforeach()
foreach(base_dir IN LISTS arg_BASE_DIRS)
vcpkg_host_path_list(PREPEND ENV{PKG_CONFIG_PATH} "${base_dir}/lib/pkgconfig/")
endforeach()
endfunction()
function(z_vcpkg_restore_pkgconfig_path)
cmake_parse_arguments(PARSE_ARGV 0 "arg" "" "" "")
if(DEFINED arg_UNPARSED_ARGUMENTS)
message(FATAL_ERROR "${CMAKE_CURRENT_FUNCTION} was passed extra arguments: ${arg_UNPARSED_ARGUMENTS}")
endif()
foreach(envvar IN ITEMS PKG_CONFIG PKG_CONFIG_PATH)
if(DEFINED z_vcpkg_env_backup_${envvar})
set("ENV{${envvar}}" "${z_vcpkg_env_backup_${envvar}}")
else()
unset("ENV{${envvar}}")
endif()
endforeach()
endfunction()