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author | Brad King <brad.king@kitware.com> | 2023-12-05 14:25:37 (GMT) |
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committer | Kitware Robot <kwrobot@kitware.com> | 2023-12-05 14:25:50 (GMT) |
commit | d301276bf5fb1a6336b3a42ab3005332692bf2d0 (patch) | |
tree | 76a705ea0dfbb0303654f8e25cf6a3856d1626f4 /Source | |
parent | 8c1da0b4bf094ab58591fdf14d5169ad4f49c449 (diff) | |
parent | 40dc13b24292354d07b9720d636fa48ab3eee219 (diff) | |
download | CMake-d301276bf5fb1a6336b3a42ab3005332692bf2d0.zip CMake-d301276bf5fb1a6336b3a42ab3005332692bf2d0.tar.gz CMake-d301276bf5fb1a6336b3a42ab3005332692bf2d0.tar.bz2 |
Merge topic 'cxxmodules-pch' into release-3.28
40dc13b242 cmNinjaTargetGenerator: PCH files do not need dyndep
f61c64cd1c cmLocalGenerator: prevent scanning of PCH source files
ea8c37b759 Tests/CXXModules: add a test which scans a PCH-using source
Acked-by: Kitware Robot <kwrobot@kitware.com>
Tested-by: buildbot <buildbot@kitware.com>
Merge-request: !9032
Diffstat (limited to 'Source')
-rw-r--r-- | Source/cmLocalGenerator.cxx | 3 | ||||
-rw-r--r-- | Source/cmNinjaTargetGenerator.cxx | 15 |
2 files changed, 10 insertions, 8 deletions
diff --git a/Source/cmLocalGenerator.cxx b/Source/cmLocalGenerator.cxx index fe8d502..caac535 100644 --- a/Source/cmLocalGenerator.cxx +++ b/Source/cmLocalGenerator.cxx @@ -2706,6 +2706,9 @@ void cmLocalGenerator::AddPchDependencies(cmGeneratorTarget* target) auto* pch_sf = this->Makefile->GetOrCreateSource( pchSource, false, cmSourceFileLocationKind::Known); + // PCH sources should never be scanned as they cannot contain C++ + // module references. + pch_sf->SetProperty("CXX_SCAN_FOR_MODULES", "0"); if (!this->GetGlobalGenerator()->IsXcode()) { if (!ReuseFrom) { diff --git a/Source/cmNinjaTargetGenerator.cxx b/Source/cmNinjaTargetGenerator.cxx index 2283923..4025918 100644 --- a/Source/cmNinjaTargetGenerator.cxx +++ b/Source/cmNinjaTargetGenerator.cxx @@ -1367,7 +1367,10 @@ void cmNinjaTargetGenerator::WriteObjectBuildStatement( !(language == "RC" || (language == "CUDA" && !flag)); int const commandLineLengthLimit = ((lang_supports_response && this->ForceResponseFile())) ? -1 : 0; - bool const needDyndep = + cmValue pchExtension = + this->GetMakefile()->GetDefinition("CMAKE_PCH_EXTENSION"); + bool const isPch = cmHasSuffix(objectFileName, pchExtension); + bool const needDyndep = !isPch && this->GeneratorTarget->NeedDyndepForSource(language, config, source); cmNinjaBuild objBuild(this->LanguageCompilerRule( @@ -1435,13 +1438,9 @@ void cmNinjaTargetGenerator::WriteObjectBuildStatement( } objBuild.Outputs.push_back(objectFileName); - if (firstForConfig) { - cmValue pchExtension = - this->GetMakefile()->GetDefinition("CMAKE_PCH_EXTENSION"); - if (!cmHasSuffix(objectFileName, pchExtension)) { - // Add this object to the list of object files. - this->Configs[config].Objects.push_back(objectFileName); - } + if (firstForConfig && !isPch) { + // Add this object to the list of object files. + this->Configs[config].Objects.push_back(objectFileName); } objBuild.ExplicitDeps.push_back(sourceFilePath); |