early-access version 2853

externals/vcpkg/scripts/cmake/z_vcpkg_setup_pkgconfig_path.cmake

@@ -0,0 +1,35 @@
+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: ${arg_UNPARSED_ARGUMENTS}")
+    endif()
+
+    vcpkg_backup_env_variables(VARS PKG_CONFIG PKG_CONFIG_PATH)
+
+    vcpkg_find_acquire_program(PKGCONFIG)
+    get_filename_component(pkgconfig_path "${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()
+
+    vcpkg_restore_env_variables(VARS PKG_CONFIG PKG_CONFIG_PATH)
+endfunction()