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[XRay] Do not depend on C++ stdlib for XRay builds
ClosedPublic

Authored by dberris on Mar 23 2017, 5:19 PM.

Reviewers

saugustine
pelikan

Commits

Summary

Now that XRay doesn't require a runtime dependency on a C++ standard
library, we remove that dependency from the clang linker flags.

This revision is now accepted and ready to land.Mar 23 2017, 5:31 PM

This revision was automatically updated to reflect the committed changes.

Path

Size

cfe/

trunk/

lib/

Driver/

ToolChains/

2 lines

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	static void linkXRayRuntimeDeps(const ToolChain &TC, const ArgList &Args,			static void linkXRayRuntimeDeps(const ToolChain &TC, const ArgList &Args,
	ArgStringList &CmdArgs) {			ArgStringList &CmdArgs) {
	CmdArgs.push_back("--no-as-needed");			CmdArgs.push_back("--no-as-needed");
	CmdArgs.push_back("-lpthread");			CmdArgs.push_back("-lpthread");
	CmdArgs.push_back("-lrt");			CmdArgs.push_back("-lrt");
	CmdArgs.push_back("-lm");			CmdArgs.push_back("-lm");
	CmdArgs.push_back("-latomic");			CmdArgs.push_back("-latomic");

	TC.AddCXXStdlibLibArgs(Args, CmdArgs);

	if (TC.getTriple().getOS() != llvm::Triple::FreeBSD)			if (TC.getTriple().getOS() != llvm::Triple::FreeBSD)
	CmdArgs.push_back("-ldl");			CmdArgs.push_back("-ldl");
	}			}

	static const char *getLDMOption(const llvm::Triple &T, const ArgList &Args) {			static const char *getLDMOption(const llvm::Triple &T, const ArgList &Args) {
	switch (T.getArch()) {			switch (T.getArch()) {
	case llvm::Triple::x86:			case llvm::Triple::x86:
	if (T.isOSIAMCU())			if (T.isOSIAMCU())
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