# glslang_pch() adds precompiled header rules to <target> for the pre-compiled
# header file <pch>. As target_precompile_headers() was added in CMake 3.16,
# this is a no-op if called on earlier versions of CMake.
-if(NOT CMAKE_VERSION VERSION_LESS "3.16")
+if(NOT CMAKE_VERSION VERSION_LESS "3.16" AND ENABLE_PCH)
function(glslang_pch target pch)
target_precompile_headers(${target} PRIVATE ${pch})
endfunction()
else()
function(glslang_pch target pch)
endfunction()
- message("Your CMake version is ${CMAKE_VERSION}. Update to at least 3.16 to enable precompiled headers to speed up incremental builds")
+ if(ENABLE_PCH)
+ message("Your CMake version is ${CMAKE_VERSION}. Update to at least 3.16 to enable precompiled headers to speed up incremental builds")
+ endif()
endif()
if(BUILD_EXTERNAL AND IS_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/External)