1 files changed, 57 insertions, 36 deletions
diff --git a/cmake/Modules/GlibMkenums.cmake b/cmake/Modules/GlibMkenums.cmake
index 58ae4ee..c3d75e6 100644
--- a/cmake/Modules/GlibMkenums.cmake
+++ b/cmake/Modules/GlibMkenums.cmake
@@ -21,58 +21,79 @@ function(target_add_glib_enums TARGET)
   )
 
   if(NOT TARGET "${TARGET}")
-    message(FATAL_ERROR "Target '${TARGET}' does not exist")
+    message(FATAL_ERROR "GlibMkenums: Target '${TARGET}' does not exist")
   endif()
 
   if(NOT _HEADERS)
-    message(FATAL_ERROR "Missing enum headers")
+    message(FATAL_ERROR "GlibMkenums: No headers to be parsed were specified")
   endif()
 
-  if(NOT _HEADER_TEMPLATE OR NOT _SOURCE_TEMPLATE)
-    message(FATAL_ERROR "Missing templates")
+  if(NOT _HEADER_TEMPLATE)
+    message(STATUS "GlibMkenums: no header template was provided, skipping header generation")
+    set(_SKIP_HEADER YES)
   endif()
 
-    if(NOT _OUTPUT_NAME)
-    message(FATAL_ERROR "Missing output name")
+  if(NOT _SOURCE_TEMPLATE)
+    message(STATUS "GlibMkenums: no source template was provided, skipping header generation")
+    set(_SKIP_SOURCE YES)
+  endif()
+
+  if(NOT _OUTPUT_NAME)
+    message(FATAL_ERROR "GlibMkenums: No output name was specified")
+  endif()
+
+  if(_SKIP_HEADER AND _SKIP_SOURCE)
+    message(AUTHOR_WARNING "GlibMkenums: No templates were specified, skipping all generation")
+    return()
   endif()
 
   set(SOURCE_FILE "${CMAKE_CURRENT_SOURCE_DIR}/src/${_OUTPUT_NAME}.c")
   set(HEADER_FILE "${CMAKE_CURRENT_SOURCE_DIR}/src/${_OUTPUT_NAME}.h")
 
-  add_custom_command(OUTPUT
-    ${SOURCE_FILE}
-    ${HEADER_FILE}
-    WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
-    COMMAND "${GLIB_MKENUMS_BIN}"
-    ARGS
-    "--template=${_SOURCE_TEMPLATE}"
-    "--output=${SOURCE_FILE}"
-    ${_HEADERS}
-    COMMAND "${GLIB_MKENUMS_BIN}"
-    ARGS
-    "--template=${_HEADER_TEMPLATE}"
-    "--output=${HEADER_FILE}"
-    ${_HEADERS}
-    VERBATIM
-    COMMENT "Generating enum sources"
-    DEPENDS
-    ${_HEADERS}
-    ${_SOURCE_TEMPLATE}
-    ${_HEADER_TEMPLATE}
-  )
+  if(NOT _SKIP_HEADER)
+    add_custom_command(OUTPUT
+      ${HEADER_FILE}
+      WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
+      COMMAND "${GLIB_MKENUMS_BIN}"
+      ARGS
+      "--template=${_HEADER_TEMPLATE}"
+      "--output=${HEADER_FILE}"
+      ${_HEADERS}
+      VERBATIM
+      COMMENT "Generating enum interface header"
+      DEPENDS
+      ${_HEADERS}
+      ${_HEADER_TEMPLATE}
+    )
+  endif()
+
+  if(NOT _SKIP_SOURCE)
+    add_custom_command(OUTPUT
+      ${SOURCE_FILE}
+      WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
+      COMMAND "${GLIB_MKENUMS_BIN}"
+      ARGS
+      "--template=${_SOURCE_TEMPLATE}"
+      "--output=${SOURCE_FILE}"
+      ${_HEADERS}
+      VERBATIM
+      COMMENT "Generating enum interface source"
+      DEPENDS
+      ${_HEADERS}
+      ${_SOURCE_TEMPLATE}
+    )
+  endif()
 
   target_sources("${TARGET}" PRIVATE
     "${SOURCE_FILE}"
   )
 
-  target_sources("${TARGET}" PUBLIC
-    FILE_SET HEADERS
-    FILES
-    "${HEADER_FILE}"
-  )
-
-  target_include_directories("${TARGET}" PUBLIC
-    "${CMAKE_CURRENT_BINARY_DIR}"
-  )
+  if(NOT _SKIP_HEADER)
+    target_sources("${TARGET}" PUBLIC
+      FILE_SET HEADERS
+      FILES
+      "${HEADER_FILE}"
+    )
+  endif()
 
 endfunction()