1 files changed, 52 insertions, 0 deletions
diff --git a/vcpkg/scripts/cmake/vcpkg_configure_gn.cmake b/vcpkg/scripts/cmake/vcpkg_configure_gn.cmake
new file mode 100644
index 0000000..9fbcd4c
--- /dev/null
+++ b/vcpkg/scripts/cmake/vcpkg_configure_gn.cmake
@@ -0,0 +1,52 @@
+function(z_vcpkg_configure_gn_generate)
+    cmake_parse_arguments(PARSE_ARGV 0 "arg" "" "SOURCE_PATH;CONFIG;ARGS" "")
+    if(DEFINED arg_UNPARSED_ARGUMENTS)
+        message(FATAL_ERROR "Internal error: generate was passed extra arguments: ${arg_UNPARSED_ARGUMENTS}")
+    endif()
+
+    message(STATUS "Generating build (${arg_CONFIG})...")
+    file(REMOVE_RECURSE "${CURRENT_BUILDTREES_DIR}/${arg_CONFIG}")
+    vcpkg_execute_required_process(
+        COMMAND "${GN}" gen "${CURRENT_BUILDTREES_DIR}/${arg_CONFIG}" "${arg_ARGS}"
+        WORKING_DIRECTORY "${arg_SOURCE_PATH}"
+        LOGNAME "generate-${arg_CONFIG}"
+    )
+endfunction()
+
+function(vcpkg_configure_gn)
+    if(Z_VCPKG_GN_CONFIGURE_GUARD)
+        message(FATAL_ERROR "The ${PORT} port already depends on vcpkg-gn; using both vcpkg-gn and vcpkg_configure_gn in the same port is unsupported.")
+    else()
+        message("${Z_VCPKG_BACKCOMPAT_MESSAGE_LEVEL}" "This function 'vcpkg_configure_gn' is obsolete. Use 'vcpkg_gn_configure' in port 'vcpkg-gn'.")
+    endif()
+
+    cmake_parse_arguments(PARSE_ARGV 0 "arg" "" "SOURCE_PATH;OPTIONS;OPTIONS_DEBUG;OPTIONS_RELEASE" "")
+    if(DEFINED arg_UNPARSED_ARGUMENTS)
+        message(WARNING "vcpkg_configure_gn was passed extra arguments: ${arg_UNPARSED_ARGUMENTS}")
+    endif()
+    if(NOT DEFINED arg_SOURCE_PATH)
+        message(FATAL_ERROR "SOURCE_PATH must be specified.")
+    endif()
+
+    vcpkg_find_acquire_program(PYTHON3)
+    get_filename_component(PYTHON3_DIR "${PYTHON3}" DIRECTORY)
+    vcpkg_add_to_path(PREPEND "${PYTHON3_DIR}")
+
+    vcpkg_find_acquire_program(GN)
+
+    if(NOT DEFINED VCPKG_BUILD_TYPE OR VCPKG_BUILD_TYPE STREQUAL "debug")
+        z_vcpkg_configure_gn_generate(
+            SOURCE_PATH "${arg_SOURCE_PATH}"
+            CONFIG "${TARGET_TRIPLET}-dbg"
+            ARGS "--args=${arg_OPTIONS} ${arg_OPTIONS_DEBUG}"
+        )
+    endif()
+
+    if(NOT DEFINED VCPKG_BUILD_TYPE OR VCPKG_BUILD_TYPE STREQUAL "release")
+        z_vcpkg_configure_gn_generate(
+            SOURCE_PATH "${arg_SOURCE_PATH}"
+            CONFIG "${TARGET_TRIPLET}-rel"
+            ARGS "--args=${arg_OPTIONS} ${arg_OPTIONS_RELEASE}"
+        )
+    endif()
+endfunction()