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Date:      Sun, 11 Jul 2021 23:29:18 GMT
From:      Ed Maste <emaste@FreeBSD.org>
To:        src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org
Subject:   git: 2e96f2635591 - stable/13 - clang: stop linking _p libs for -pg as of FreeBSD 14
Message-ID:  <202107112329.16BNTIf2099113@gitrepo.freebsd.org>
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The branch stable/13 has been updated by emaste:

URL: https://cgit.FreeBSD.org/src/commit/?id=2e96f2635591abb839c92566046e3a9b6ee5ff35

commit 2e96f2635591abb839c92566046e3a9b6ee5ff35
Author:     Ed Maste <emaste@FreeBSD.org>
AuthorDate: 2021-06-26 23:58:16 +0000
Commit:     Ed Maste <emaste@FreeBSD.org>
CommitDate: 2021-07-11 23:27:47 +0000

    clang: stop linking _p libs for -pg as of FreeBSD 14
    
    In FreeBSD 14 we will stop providing _p libraries (compiled with -pg).
    
    [Note this is controlled by the target version.  There is no change for
    FreeBSD <= 13.]
    
    Reviewed by:    dim (upstream)
    Obtained from:  LLVM 699d47472c3f
    MFC after:      2 weeks
    Sponsored by:   The FreeBSD Foundation
    Differential Revision:  https://reviews.freebsd.org/D30861
    
    (cherry picked from commit b762974cf4b9ea77f1decf4a6d829372f0a97f75)
---
 .../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 baefb1607619..c14f34b6107c 100644
--- a/contrib/llvm-project/clang/lib/Driver/ToolChains/FreeBSD.cpp
+++ b/contrib/llvm-project/clang/lib/Driver/ToolChains/FreeBSD.cpp
@@ -286,6 +286,8 @@ 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) &&
@@ -295,7 +297,7 @@ 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");
@@ -306,13 +308,13 @@ 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");
@@ -321,13 +323,13 @@ 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
@@ -340,7 +342,7 @@ 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");
@@ -408,7 +410,8 @@ 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:

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