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| author | Tobias Hieta <tobias@plex.tv> | 2020-08-28 07:16:04 (GMT) |
|---|---|---|
| committer | Tobias Hieta <tobias@plex.tv> | 2020-09-02 06:30:55 (GMT) |
| commit | 8c8f03422e3197a3414a8ed1413fcb9576df0f4b (patch) | |
| tree | 526e5b6341f3f63dd848623be82448fab17f5285 /Tests/RunCMake/PrecompileHeaders | |
| parent | 8c833ff0e17e63d9cbf17622abcb70a5fab240b8 (diff) | |
| download | CMake-8c8f03422e3197a3414a8ed1413fcb9576df0f4b.zip CMake-8c8f03422e3197a3414a8ed1413fcb9576df0f4b.tar.gz CMake-8c8f03422e3197a3414a8ed1413fcb9576df0f4b.tar.bz2 | |
PCH: Template instantiation support
Adds PCH_INSTANTIATE_TEMPLATES target property for enabling template
instantiation in precompiled headers.
Enabled by default. Currently only supported for Clang 11 and newer.
Implements #21133.
Diffstat (limited to 'Tests/RunCMake/PrecompileHeaders')
3 files changed, 38 insertions, 0 deletions
diff --git a/Tests/RunCMake/PrecompileHeaders/PchInstantiateTemplates-check.cmake b/Tests/RunCMake/PrecompileHeaders/PchInstantiateTemplates-check.cmake new file mode 100644 index 0000000..648d387 --- /dev/null +++ b/Tests/RunCMake/PrecompileHeaders/PchInstantiateTemplates-check.cmake @@ -0,0 +1,17 @@ +file(STRINGS ${RunCMake_TEST_BINARY_DIR}/compile_commands.json empty_dir_commands + REGEX "command.*-fpch-instantiate-templates.*empty.dir/cmake_pch.h") +file(STRINGS ${RunCMake_TEST_BINARY_DIR}/compile_commands.json foo_dir_commands + REGEX "command.*-fpch-instantiate-templates.*foo.dir/cmake_pch.h") + +list(LENGTH empty_dir_commands empty_dir_commands_size) +list(LENGTH foo_dir_commands foo_dir_commands_size) + +if (empty_dir_commands_size EQUAL 0) + set(RunCMake_TEST_FAILED "empty target should have -fpch-instantiate-templates compile option present") + return() +endif() + +if (foo_dir_commands_size GREATER 0) + set(RunCMake_TEST_FAILED "foo target should not have -fpch-instantiate-templates compile option present") + return() +endif() diff --git a/Tests/RunCMake/PrecompileHeaders/PchInstantiateTemplates.cmake b/Tests/RunCMake/PrecompileHeaders/PchInstantiateTemplates.cmake new file mode 100644 index 0000000..3aebbe0 --- /dev/null +++ b/Tests/RunCMake/PrecompileHeaders/PchInstantiateTemplates.cmake @@ -0,0 +1,16 @@ +enable_language(C) + +set(CMAKE_EXPORT_COMPILE_COMMANDS ON) + +add_library(empty empty.c) +target_precompile_headers(empty PUBLIC + <stdio.h> + <string.h> +) + +add_library(foo foo.c) +target_precompile_headers(foo PUBLIC + <stdio.h> + <string.h> +) +set_target_properties(foo PROPERTIES PCH_INSTANTIATE_TEMPLATES OFF) diff --git a/Tests/RunCMake/PrecompileHeaders/RunCMakeTest.cmake b/Tests/RunCMake/PrecompileHeaders/RunCMakeTest.cmake index 381b800..74670ba 100644 --- a/Tests/RunCMake/PrecompileHeaders/RunCMakeTest.cmake +++ b/Tests/RunCMake/PrecompileHeaders/RunCMakeTest.cmake @@ -20,4 +20,9 @@ run_test(PchReuseFromSubdir) run_cmake(PchMultilanguage) if(RunCMake_GENERATOR MATCHES "Make|Ninja") run_cmake(PchWarnInvalid) + + if(CMAKE_C_COMPILER_ID STREQUAL "Clang" AND + CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL 11.0.0) + run_cmake(PchInstantiateTemplates) + endif() endif() |