1.99.77

lib/generators/GitInfoHeader.cmake

@@ -96,12 +96,11 @@ configure_file(${git_info_hpp_in_path} \"\${GIT_INFO_FILE}\")
   if(NOT TARGET ${target}-git-info-header)
     add_custom_target(${target}-git-info-header ALL
       ${CMAKE_COMMAND} -DGIT_INFO_FILE=${filename} -P ${git_info_cmake_in_path}
+      BYPRODUCTS ${filename}
       WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
   endif()
 # cmake-format: on
 
-  file(WRITE ${filename} "")
-
   set_property(TARGET ${target} APPEND PROPERTY PRIVATE_HEADER_FILES ${filename})
   target_sources(${target} PRIVATE ${filename})
 endfunction()