diff --git a/clang/lib/Driver/ToolChains/BareMetal.cpp b/clang/lib/Driver/ToolChains/BareMetal.cpp index d8168ed15febd..b87427110d7de 100644 --- a/clang/lib/Driver/ToolChains/BareMetal.cpp +++ b/clang/lib/Driver/ToolChains/BareMetal.cpp @@ -339,15 +339,15 @@ void BareMetal::AddClangCXXStdlibIncludeArgs(const ArgList &DriverArgs, }; switch (GetCXXStdlibType(DriverArgs)) { - case ToolChain::CST_Libcxx: { - SmallString<128> P(D.Dir); - llvm::sys::path::append(P, "..", "include"); - AddCXXIncludePath(P); - break; - } - case ToolChain::CST_Libstdcxx: - // We only support libc++ toolchain installation. - break; + case ToolChain::CST_Libcxx: { + SmallString<128> P(D.Dir); + llvm::sys::path::append(P, "..", "include"); + AddCXXIncludePath(P); + break; + } + case ToolChain::CST_Libstdcxx: + // We only support libc++ toolchain installation. + break; } std::string SysRoot(computeSysRoot()); @@ -498,7 +498,9 @@ void baremetal::Linker::ConstructJob(Compilation &C, const JobAction &JA, if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs)) { AddRunTimeLibs(TC, D, CmdArgs, Args); - CmdArgs.push_back("-lc"); + if (!Args.hasArg(options::OPT_nolibc)) { + CmdArgs.push_back("-lc"); + } } if (D.isUsingLTO()) diff --git a/clang/test/Driver/baremetal.cpp b/clang/test/Driver/baremetal.cpp index a80aa9b437117..6dd1ec13d689b 100644 --- a/clang/test/Driver/baremetal.cpp +++ b/clang/test/Driver/baremetal.cpp @@ -143,6 +143,20 @@ // RUN: | FileCheck %s --check-prefix=CHECK-RTLIB-GCC // CHECK-RTLIB-GCC: -lgcc +// RUN: %clang -### --target=arm-none-eabi -nolibc %s 2>&1 \ +// RUN: | FileCheck %s --check-prefix=CHECK-NOLIBC +// CHECK-NOLIBC-NOT: "-lc" +// CHECK-NOLIBC-NOT: "-lm" +// CHECK-NOLIBC-NOT: "-lc++" +// CHECK-NOLIBC: "{{[^"]*}}libclang_rt.builtins.a" + +// RUN: %clang -### --target=arm-none-eabi -nostdlib %s 2>&1 \ +// RUN: | FileCheck %s --check-prefix=CHECK-NOSTDLIB +// CHECK-NOSTDLIB-NOT: "-lc" +// CHECK-NOSTDLIB-NOT: "-lm" +// CHECK-NOSTDLIB-NOT: "-lc++" +// CHECK-NOSTDLIB-NOT: "{{[^"]*}}libclang_rt.builtins.a" + // RUN: %clang -### --target=arm-none-eabi -v %s 2>&1 \ // RUN: | FileCheck %s --check-prefix=CHECK-SYSROOT-INC // CHECK-SYSROOT-INC-NOT: "-internal-isystem" "include"