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libprofile_rt may be installed as a dylib on Darwin. 

If we cannot find the static library, use the dylib instead.

llvm-svn: 133926
This commit is contained in:
Bill Wendling 2011-06-27 19:15:03 +00:00
parent b5ee311602
commit 087605809a
1 changed files with 30 additions and 19 deletions
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45
clang/lib/Driver/Tools.cpp
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@ -155,19 +155,30 @@ static bool isObjCAutoRefCount(const ArgList &Args) {
}
static void addProfileRT(const ToolChain &TC, const ArgList &Args,
ArgStringList &CmdArgs) {
if (Args.hasArg(options::OPT_fprofile_arcs) ||
ArgStringList &CmdArgs,
llvm::Triple Triple) {
if (!(Args.hasArg(options::OPT_fprofile_arcs) ||
Args.hasArg(options::OPT_fprofile_generate) ||
Args.hasArg(options::OPT_fcreate_profile) ||
Args.hasArg(options::OPT_coverage)) {
// GCC links libgcov.a by adding -L<inst>/gcc/lib/gcc/<triple>/<ver> -lgcov
// to the link line. We cannot do the same thing because unlike gcov
// there is a libprofile_rt.so. We used to use the -l:libprofile_rt.a
// syntax, but that is not supported by old linkers.
const char *lib = Args.MakeArgString(TC.getDriver().Dir + "/../lib/" +
"libprofile_rt.a");
CmdArgs.push_back(lib);
Args.hasArg(options::OPT_coverage)))
return;
// GCC links libgcov.a by adding -L<inst>/gcc/lib/gcc/<triple>/<ver> -lgcov to
// the link line. We cannot do the same thing because unlike gcov there is a
// libprofile_rt.so. We used to use the -l:libprofile_rt.a syntax, but that is
// not supported by old linkers.
llvm::Twine ProfileRT =
llvm::Twine(TC.getDriver().Dir) + "/../lib/" + "libprofile_rt.a";
if (Triple.getOS() == llvm::Triple::Darwin) {
// On Darwin, if the static library doesn't exist try the dylib.
bool Exists;
if (llvm::sys::fs::exists(ProfileRT.str(), Exists) || !Exists)
ProfileRT =
llvm::Twine(TC.getDriver().Dir) + "/../lib/" + "libprofile_rt.dylib";
}
CmdArgs.push_back(Args.MakeArgString(ProfileRT));
}
void Clang::AddPreprocessingOptions(const Driver &D,
@ -3241,7 +3252,7 @@ void darwin::Link::ConstructJob(Compilation &C, const JobAction &JA,
// endfile_spec is empty.
}
addProfileRT(getToolChain(), Args, CmdArgs);
addProfileRT(getToolChain(), Args, CmdArgs, getToolChain().getTriple());
Args.AddAllArgs(CmdArgs, options::OPT_T_Group);
Args.AddAllArgs(CmdArgs, options::OPT_F);
@ -3400,7 +3411,7 @@ void auroraux::Link::ConstructJob(Compilation &C, const JobAction &JA,
getToolChain().GetFilePath("crtend.o")));
}
addProfileRT(getToolChain(), Args, CmdArgs);
addProfileRT(getToolChain(), Args, CmdArgs, getToolChain().getTriple());
const char *Exec =
Args.MakeArgString(getToolChain().GetProgramPath("ld"));
@ -3708,7 +3719,7 @@ void freebsd::Link::ConstructJob(Compilation &C, const JobAction &JA,
"crtn.o")));
}
addProfileRT(getToolChain(), Args, CmdArgs);
addProfileRT(getToolChain(), Args, CmdArgs, getToolChain().getTriple());
const char *Exec =
Args.MakeArgString(getToolChain().GetProgramPath("ld"));
@ -3863,7 +3874,7 @@ void netbsd::Link::ConstructJob(Compilation &C, const JobAction &JA,
"crtn.o")));
}
addProfileRT(getToolChain(), Args, CmdArgs);
addProfileRT(getToolChain(), Args, CmdArgs, getToolChain().getTriple());
const char *Exec = Args.MakeArgString(FindTargetProgramPath(getToolChain(),
ToolTriple.getTriple(),
@ -4087,7 +4098,7 @@ void linuxtools::Link::ConstructJob(Compilation &C, const JobAction &JA,
}
}
addProfileRT(getToolChain(), Args, CmdArgs);
addProfileRT(getToolChain(), Args, CmdArgs, getToolChain().getTriple());
if (Args.hasArg(options::OPT_use_gold_plugin)) {
CmdArgs.push_back("-plugin");
@ -4171,7 +4182,7 @@ void minix::Link::ConstructJob(Compilation &C, const JobAction &JA,
"/usr/gnu/lib/libend.a")));
}
addProfileRT(getToolChain(), Args, CmdArgs);
addProfileRT(getToolChain(), Args, CmdArgs, getToolChain().getTriple());
const char *Exec =
Args.MakeArgString(getToolChain().GetProgramPath("/usr/gnu/bin/gld"));
@ -4328,7 +4339,7 @@ void dragonfly::Link::ConstructJob(Compilation &C, const JobAction &JA,
getToolChain().GetFilePath("crtn.o")));
}
addProfileRT(getToolChain(), Args, CmdArgs);
addProfileRT(getToolChain(), Args, CmdArgs, getToolChain().getTriple());
const char *Exec =
Args.MakeArgString(getToolChain().GetProgramPath("ld"));