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[Myriad]: Accept '-nostdlib' option

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llvm-svn: 249166
This commit is contained in:
Douglas Katzman
2015-10-02 18:39:08 +00:00
parent 4b5507a037
commit 9e31cb9ea7
2 changed files with 27 additions and 17 deletions
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40
clang/lib/Driver/Tools.cpp
View File

@@ -9760,6 +9760,8 @@ void tools::Myriad::Linker::ConstructJob(Compilation &C, const JobAction &JA,
const llvm::Triple &T = TC.getTriple();
ArgStringList CmdArgs;
bool UseStartfiles = !Args.hasArg(options::OPT_nostartfiles);
bool UseDefaultLibs = !Args.hasArg(options::OPT_nostdlib) &&
!Args.hasArg(options::OPT_nodefaultlibs);
std::string StartFilesDir, BuiltinLibDir;
TC.getCompilerSupportDir(StartFilesDir);
@@ -9796,27 +9798,31 @@ void tools::Myriad::Linker::ConstructJob(Compilation &C, const JobAction &JA,
options::OPT_e, options::OPT_s, options::OPT_t,
options::OPT_Z_Flag, options::OPT_r});
// The linker doesn't use these builtin paths unless directed to,
// because it was not compiled for support with sysroots, nor does
// it have a default of little-endian with FPU.
CmdArgs.push_back(Args.MakeArgString("-L" + BuiltinLibDir));
CmdArgs.push_back(Args.MakeArgString("-L" + StartFilesDir));
if (UseDefaultLibs) {
// The linker doesn't use these builtin paths unless directed to,
// because it was not compiled for support with sysroots, nor does
// it have a default of little-endian with FPU.
CmdArgs.push_back(Args.MakeArgString("-L" + BuiltinLibDir));
CmdArgs.push_back(Args.MakeArgString("-L" + StartFilesDir));
}
AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs);
if (T.getOS() == llvm::Triple::RTEMS) {
CmdArgs.push_back("--start-group");
CmdArgs.push_back("-lc");
// You must provide your own "-L" option to enable finding these.
CmdArgs.push_back("-lrtemscpu");
CmdArgs.push_back("-lrtemsbsp");
CmdArgs.push_back("--end-group");
} else {
CmdArgs.push_back("-lc");
if (UseDefaultLibs) {
if (T.getOS() == llvm::Triple::RTEMS) {
CmdArgs.push_back("--start-group");
CmdArgs.push_back("-lc");
// You must provide your own "-L" option to enable finding these.
CmdArgs.push_back("-lrtemscpu");
CmdArgs.push_back("-lrtemsbsp");
CmdArgs.push_back("--end-group");
} else {
CmdArgs.push_back("-lc");
}
if (C.getDriver().CCCIsCXX())
CmdArgs.push_back("-lstdc++");
CmdArgs.push_back("-lgcc");
}
if (C.getDriver().CCCIsCXX())
CmdArgs.push_back("-lstdc++");
CmdArgs.push_back("-lgcc");
if (UseStartfiles) {
CmdArgs.push_back(Args.MakeArgString(StartFilesDir + "/crtend.o"));
CmdArgs.push_back(Args.MakeArgString(StartFilesDir + "/crtn.o"));

4
clang/test/Driver/myriad-toolchain.c
View File

@@ -53,3 +53,7 @@
// RUN: %clang -target shave-myriad -c %s -o foo.o -### -MD -MF dep.d 2>&1 \
// RUN: | FileCheck %s -check-prefix=MDMF
// MDMF: "-S" "-MD" "-MF" "dep.d" "-MT" "foo.o"
// RUN: %clang -target sparc-myriad -### -nostdlib %s 2>&1 | FileCheck %s --check-prefix=NOSTDLIB
//
// NOSTDLIB-NOT: "-lc"