thakis created this revision. thakis added a reviewer: hans. thakis added a subscriber: cfe-commits.
LLVM r217812 made it so that clang-cl implicitly creates bigobj files when needed, independent of this flag. It looks like cl has this flag to produce obj flags compatible with MSVS 2003's linker by default, something we don't care about. Since clang-cl always has /bigobj behavior, don't warn that the flag is unused, just ignore it silently. http://reviews.llvm.org/D12981 Files: include/clang/Driver/CLCompatOptions.td Index: include/clang/Driver/CLCompatOptions.td =================================================================== --- include/clang/Driver/CLCompatOptions.td +++ include/clang/Driver/CLCompatOptions.td @@ -243,6 +243,7 @@ // Ignored: def _SLASH_analyze_ : CLIgnoredFlag<"analyze-">; +def _SLASH_bigobj : CLIgnoredFlag<"bigobj">; def _SLASH_cgthreads : CLIgnoredJoined<"cgthreads">; def _SLASH_d2Zi_PLUS : CLIgnoredFlag<"d2Zi+">; def _SLASH_errorReport : CLIgnoredJoined<"errorReport">; @@ -274,7 +275,6 @@ // Unsupported: def _SLASH_AI : CLJoined<"AI">; -def _SLASH_bigobj : CLFlag<"bigobj">; def _SLASH_clr : CLJoined<"clr">; def _SLASH_doc : CLJoined<"doc">; def _SLASH_FA_joined : CLJoined<"FA">;
Index: include/clang/Driver/CLCompatOptions.td =================================================================== --- include/clang/Driver/CLCompatOptions.td +++ include/clang/Driver/CLCompatOptions.td @@ -243,6 +243,7 @@ // Ignored: def _SLASH_analyze_ : CLIgnoredFlag<"analyze-">; +def _SLASH_bigobj : CLIgnoredFlag<"bigobj">; def _SLASH_cgthreads : CLIgnoredJoined<"cgthreads">; def _SLASH_d2Zi_PLUS : CLIgnoredFlag<"d2Zi+">; def _SLASH_errorReport : CLIgnoredJoined<"errorReport">; @@ -274,7 +275,6 @@ // Unsupported: def _SLASH_AI : CLJoined<"AI">; -def _SLASH_bigobj : CLFlag<"bigobj">; def _SLASH_clr : CLJoined<"clr">; def _SLASH_doc : CLJoined<"doc">; def _SLASH_FA_joined : CLJoined<"FA">;
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