Date: Mon, 28 Jun 2021 09:30:02 -0700 (PDT) From: "Rodney W. Grimes" <freebsd@gndrsh.dnsmgr.net> To: Ed Maste <emaste@freebsd.org> Cc: src-committers@freebsd.org, dev-commits-src-all@freebsd.org, dev-commits-src-main@freebsd.org Subject: Re: git: b762974cf4b9 - main - clang: stop linking _p libs for -pg as of FreeBSD 14 Message-ID: <202106281630.15SGU2j0097041@gndrsh.dnsmgr.net> In-Reply-To: <202106271712.15RHConb019042@gitrepo.freebsd.org>
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> The branch main has been updated by emaste: > > URL: https://cgit.FreeBSD.org/src/commit/?id=b762974cf4b9ea77f1decf4a6d829372f0a97f75 > > commit b762974cf4b9ea77f1decf4a6d829372f0a97f75 > Author: Ed Maste <emaste@FreeBSD.org> > AuthorDate: 2021-06-26 23:58:16 +0000 > Commit: Ed Maste <emaste@FreeBSD.org> > CommitDate: 2021-06-27 17:12:12 +0000 > > clang: stop linking _p libs for -pg as of FreeBSD 14 > > In FreeBSD 14 we will stop providing _p libraries (compiled with -pg). So if this is being done in 14 only, why is there a MFC marker? Should that of been MFC: never? > Reviewed by: dim (upstream) > Obtained from: LLVM 699d47472c3f > MFC after: 2 weeks > Sponsored by: The FreeBSD Foundation > Differential Revision: https://reviews.freebsd.org/D30861 > --- > .../clang/lib/Driver/ToolChains/FreeBSD.cpp | 17 ++++++++++------- > 1 file changed, 10 insertions(+), 7 deletions(-) > > diff --git a/contrib/llvm-project/clang/lib/Driver/ToolChains/FreeBSD.cpp b/contrib/llvm-project/clang/lib/Driver/ToolChains/FreeBSD.cpp > index 37c0a68234ed..652e5c4cb9e6 100644 > --- a/contrib/llvm-project/clang/lib/Driver/ToolChains/FreeBSD.cpp > +++ b/contrib/llvm-project/clang/lib/Driver/ToolChains/FreeBSD.cpp > @@ -293,6 +293,8 @@ void freebsd::Linker::ConstructJob(Compilation &C, const JobAction &JA, > addLinkerCompressDebugSectionsOption(ToolChain, Args, CmdArgs); > AddLinkerInputs(ToolChain, Inputs, Args, CmdArgs, JA); > > + bool Profiling = Args.hasArg(options::OPT_pg) && > + ToolChain.getTriple().getOSMajorVersion() < 14; > if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs)) { > // Use the static OpenMP runtime with -static-openmp > bool StaticOpenMP = Args.hasArg(options::OPT_static_openmp) && > @@ -302,7 +304,7 @@ void freebsd::Linker::ConstructJob(Compilation &C, const JobAction &JA, > if (D.CCCIsCXX()) { > if (ToolChain.ShouldLinkCXXStdlib(Args)) > ToolChain.AddCXXStdlibLibArgs(Args, CmdArgs); > - if (Args.hasArg(options::OPT_pg)) > + if (Profiling) > CmdArgs.push_back("-lm_p"); > else > CmdArgs.push_back("-lm"); > @@ -313,13 +315,13 @@ void freebsd::Linker::ConstructJob(Compilation &C, const JobAction &JA, > linkXRayRuntimeDeps(ToolChain, CmdArgs); > // FIXME: For some reason GCC passes -lgcc and -lgcc_s before adding > // the default system libraries. Just mimic this for now. > - if (Args.hasArg(options::OPT_pg)) > + if (Profiling) > CmdArgs.push_back("-lgcc_p"); > else > CmdArgs.push_back("-lgcc"); > if (Args.hasArg(options::OPT_static)) { > CmdArgs.push_back("-lgcc_eh"); > - } else if (Args.hasArg(options::OPT_pg)) { > + } else if (Profiling) { > CmdArgs.push_back("-lgcc_eh_p"); > } else { > CmdArgs.push_back("--as-needed"); > @@ -328,13 +330,13 @@ void freebsd::Linker::ConstructJob(Compilation &C, const JobAction &JA, > } > > if (Args.hasArg(options::OPT_pthread)) { > - if (Args.hasArg(options::OPT_pg)) > + if (Profiling) > CmdArgs.push_back("-lpthread_p"); > else > CmdArgs.push_back("-lpthread"); > } > > - if (Args.hasArg(options::OPT_pg)) { > + if (Profiling) { > if (Args.hasArg(options::OPT_shared)) > CmdArgs.push_back("-lc"); > else > @@ -347,7 +349,7 @@ void freebsd::Linker::ConstructJob(Compilation &C, const JobAction &JA, > > if (Args.hasArg(options::OPT_static)) { > CmdArgs.push_back("-lgcc_eh"); > - } else if (Args.hasArg(options::OPT_pg)) { > + } else if (Profiling) { > CmdArgs.push_back("-lgcc_eh_p"); > } else { > CmdArgs.push_back("--as-needed"); > @@ -416,7 +418,8 @@ void FreeBSD::addLibStdCxxIncludePaths( > void FreeBSD::AddCXXStdlibLibArgs(const ArgList &Args, > ArgStringList &CmdArgs) const { > CXXStdlibType Type = GetCXXStdlibType(Args); > - bool Profiling = Args.hasArg(options::OPT_pg); > + bool Profiling = > + Args.hasArg(options::OPT_pg) && getTriple().getOSMajorVersion() < 14; > > switch (Type) { > case ToolChain::CST_Libcxx: > -- Rod Grimes rgrimes@freebsd.org
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