generate library_metadata.h in binary dir (#581)

Author: takev

CMakeLists.txt

@@ -161,8 +161,8 @@ endif()
 
 target_include_directories(hikogui INTERFACE
     "$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/src>"
-    "$<INSTALL_INTERFACE:include>"
-)
+    "$<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}/src/hikogui/metadata>"
+    "$<INSTALL_INTERFACE:include>")
 
 #
 # We will support the following CPUs:
@@ -442,6 +442,7 @@ if(WIN32 AND target_type STREQUAL DYNAMIC_LIBRARY)
     # Install the library and headers.
     install(TARGETS hikogui EXPORT hikogui
         FILE_SET hikogui_include_files DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
+        FILE_SET hikogui_generated_include_files DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
         FILE_SET CXX_MODULES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
         RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
         ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
@@ -451,6 +452,7 @@ else()
     # Install the library and headers.
     install(TARGETS hikogui EXPORT hikogui
         FILE_SET hikogui_include_files DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
+        FILE_SET hikogui_generated_include_files DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
         FILE_SET CXX_MODULES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
         RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
         ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}

CMakeLists_includes.cmake

@@ -1,9 +1,13 @@
 
 configure_file(
     ${HIKOGUI_SOURCE_DIR}/metadata/library_metadata.hpp.in
-    ${HIKOGUI_SOURCE_DIR}/metadata/library_metadata.hpp @ONLY)
+    ${CMAKE_CURRENT_BINARY_DIR}/src/hikogui/metadata/library_metadata.hpp @ONLY)
 
-target_sources(hikogui INTERFACE FILE_SET hikogui_include_files TYPE HEADERS BASE_DIRS "${CMAKE_CURRENT_SOURCE_DIR}/src/" FILES
+target_sources(hikogui INTERFACE FILE_SET hikogui_generated_include_files TYPE HEADERS BASE_DIRS "${CMAKE_CURRENT_BINARY_DIR}/src/" FILES
+    ${CMAKE_CURRENT_BINARY_DIR}/src/hikogui/metadata/library_metadata.hpp
+)
+
+target_sources(hikogui INTERFACE FILE_SET hikogui_include_files TYPE HEADERS BASE_DIRS "${CMAKE_CURRENT_SOURCE_DIR}/src/"  FILES
     ${HIKOGUI_SOURCE_DIR}/audio/audio_block.hpp
     ${HIKOGUI_SOURCE_DIR}/audio/audio_channel.hpp
     ${HIKOGUI_SOURCE_DIR}/audio/audio_device.hpp
@@ -354,7 +358,6 @@ target_sources(hikogui INTERFACE FILE_SET hikogui_include_files TYPE HEADERS BAS
     ${HIKOGUI_SOURCE_DIR}/memory/memory.hpp
     ${HIKOGUI_SOURCE_DIR}/memory/secure_memory_allocator.hpp
     ${HIKOGUI_SOURCE_DIR}/metadata/application_metadata.hpp
-    ${HIKOGUI_SOURCE_DIR}/metadata/library_metadata.hpp # generated.
     ${HIKOGUI_SOURCE_DIR}/metadata/metadata.hpp
     ${HIKOGUI_SOURCE_DIR}/metadata/semantic_version.hpp
     ${HIKOGUI_SOURCE_DIR}/net/module.hpp