diff options
Diffstat (limited to 'cmake/QtPrecompiledHeadersHelpers.cmake')
| -rw-r--r-- | cmake/QtPrecompiledHeadersHelpers.cmake | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/cmake/QtPrecompiledHeadersHelpers.cmake b/cmake/QtPrecompiledHeadersHelpers.cmake new file mode 100644 index 0000000000..fe38413407 --- /dev/null +++ b/cmake/QtPrecompiledHeadersHelpers.cmake @@ -0,0 +1,34 @@ +# Copyright (C) 2022 The Qt Company Ltd. +# SPDX-License-Identifier: BSD-3-Clause + +function(qt_update_precompiled_header target precompiled_header) + if (precompiled_header AND BUILD_WITH_PCH) + set_property(TARGET "${target}" APPEND PROPERTY "PRECOMPILE_HEADERS" "$<$<OR:$<COMPILE_LANGUAGE:CXX>,$<COMPILE_LANGUAGE:OBJCXX>>:${precompiled_header}>") + endif() +endfunction() + +function(qt_update_precompiled_header_with_library target library) + if (TARGET "${library}") + get_target_property(TARGET_TYPE "${library}" TYPE) + if (NOT TARGET_TYPE STREQUAL "INTERFACE_LIBRARY") + get_target_property(HEADER "${library}" MODULE_HEADER) + qt_update_precompiled_header("${target}" "${HEADER}") + endif() + endif() +endfunction() + +function(qt_update_ignore_pch_source target sources) + if (sources) + set_source_files_properties(${sources} PROPERTIES + SKIP_PRECOMPILE_HEADERS ON + SKIP_UNITY_BUILD_INCLUSION ON) + endif() +endfunction() + +function(qt_ignore_pch_obj_c_sources target sources) + # No obj-cxx PCH support for versions lower than 3.16. + if(CMAKE_VERSION VERSION_LESS 3.16.0) + list(FILTER sources INCLUDE REGEX "\\.mm$") + qt_update_ignore_pch_source("${target}" "${sources}") + endif() +endfunction() |