diff options
Diffstat (limited to 'cmake/compiler/clang')
| -rw-r--r-- | cmake/compiler/clang/settings.cmake | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/cmake/compiler/clang/settings.cmake b/cmake/compiler/clang/settings.cmake index 1fe89542a84..2b6e998d854 100644 --- a/cmake/compiler/clang/settings.cmake +++ b/cmake/compiler/clang/settings.cmake @@ -150,3 +150,13 @@ if(BUILD_SHARED_LIBS) message(STATUS "Clang: Disallow undefined symbols") endif() + +# speedup PCH builds by forcing template instantiations during PCH generation +set(CMAKE_REQUIRED_FLAGS "-fpch-instantiate-templates") +check_cxx_source_compiles("int main() { return 0; }" CLANG_HAS_PCH_INSTANTIATE_TEMPLATES) +unset(CMAKE_REQUIRED_FLAGS) +if(CLANG_HAS_PCH_INSTANTIATE_TEMPLATES) + target_compile_options(trinity-compile-option-interface + INTERFACE + -fpch-instantiate-templates) +endif() |