diff options
Diffstat (limited to 'compilerplugins')
| -rw-r--r-- | compilerplugins/clang/pluginhandler.cxx | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/compilerplugins/clang/pluginhandler.cxx b/compilerplugins/clang/pluginhandler.cxx index 54dba3e3bcc0..622caf917b8e 100644 --- a/compilerplugins/clang/pluginhandler.cxx +++ b/compilerplugins/clang/pluginhandler.cxx @@ -231,6 +231,19 @@ bool PluginHandler::ignoreLocation(SourceLocation loc) { bool PluginHandler::checkIgnoreLocation(SourceLocation loc) { +#if HAVE_BUILDING_PCH_WITH_OBJ + // If we're building a separate precompiled_foo.cxx file + // for a PCH, then it is not necessary to check contents of everything + // included by the PCH in every compilation, check only once for that + // precompiled_foo.cxx file. + if( !compiler.getSourceManager().isLocalSourceLocation( loc )) + { + if( !compiler.getLangOpts().BuildingPCHWithObjectFile ) + return true; + } +#elif CLANG_VERSION >= 110000 +#error Internal error, -building-pch-with-obj support not detected in Clang. +#endif SourceLocation expansionLoc = compiler.getSourceManager().getExpansionLoc( loc ); if( compiler.getSourceManager().isInSystemHeader( expansionLoc )) return true; |