early-access version 2853

externals/vcpkg/ports/vcpkg-cmake-get-vars/vcpkg_cmake_get_vars.cmake

@@ -0,0 +1,34 @@
+include_guard(GLOBAL)
+
+set(Z_VCPKG_CMAKE_GET_VARS_CURRENT_LIST_DIR "${CMAKE_CURRENT_LIST_DIR}" CACHE INTERNAL "")
+
+function(vcpkg_cmake_get_vars out_file)
+    cmake_parse_arguments(PARSE_ARGV 1 arg "" "" "")
+
+    if(DEFINED arg_UNPARSED_ARGUMENTS)
+        message(FATAL_ERROR "${CMAKE_CURRENT_FUNCTION} was passed extra arguments: ${arg_UNPARSED_ARGUMENTS}")
+    endif()
+
+    if(NOT DEFINED CACHE{Z_VCPKG_CMAKE_GET_VARS_FILE})
+        set(Z_VCPKG_CMAKE_GET_VARS_FILE "${CURRENT_BUILDTREES_DIR}/cmake-get-vars-${TARGET_TRIPLET}.cmake.log"
+            CACHE PATH "The file to include to access the CMake variables from a generated project.")
+        vcpkg_cmake_configure(
+            SOURCE_PATH "${Z_VCPKG_CMAKE_GET_VARS_CURRENT_LIST_DIR}/cmake_get_vars"
+            OPTIONS_DEBUG "-DVCPKG_OUTPUT_FILE:PATH=${CURRENT_BUILDTREES_DIR}/cmake-get-vars-${TARGET_TRIPLET}-dbg.cmake.log"
+            OPTIONS_RELEASE "-DVCPKG_OUTPUT_FILE:PATH=${CURRENT_BUILDTREES_DIR}/cmake-get-vars-${TARGET_TRIPLET}-rel.cmake.log"
+            LOGFILE_BASE cmake-get-vars-${TARGET_TRIPLET}
+            Z_CMAKE_GET_VARS_USAGE # be quiet, don't set variables...
+        )
+
+        set(include_string "")
+        if(NOT DEFINED VCPKG_BUILD_TYPE OR VCPKG_BUILD_TYPE STREQUAL "release")
+            string(APPEND include_string "include(\"\${CMAKE_CURRENT_LIST_DIR}/cmake-get-vars-${TARGET_TRIPLET}-rel.cmake.log\")\n")
+        endif()
+        if(NOT DEFINED VCPKG_BUILD_TYPE OR VCPKG_BUILD_TYPE STREQUAL "debug")
+            string(APPEND include_string "include(\"\${CMAKE_CURRENT_LIST_DIR}/cmake-get-vars-${TARGET_TRIPLET}-dbg.cmake.log\")\n")
+        endif()
+        file(WRITE "${Z_VCPKG_CMAKE_GET_VARS_FILE}" "${include_string}")
+    endif()
+
+    set("${out_file}" "${Z_VCPKG_CMAKE_GET_VARS_FILE}" PARENT_SCOPE)
+endfunction()