diff --git a/clang/lib/Driver/ToolChains/BareMetal.cpp b/clang/lib/Driver/ToolChains/BareMetal.cpp index 981395deb9dbc..9145e8f5d5343 100644 --- a/clang/lib/Driver/ToolChains/BareMetal.cpp +++ b/clang/lib/Driver/ToolChains/BareMetal.cpp @@ -674,7 +674,8 @@ void baremetal::Linker::ConstructJob(Compilation &C, const JobAction &JA, if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs)) { CmdArgs.push_back("--start-group"); AddRunTimeLibs(TC, D, CmdArgs, Args); - CmdArgs.push_back("-lc"); + if (!Args.hasArg(options::OPT_nolibc)) + CmdArgs.push_back("-lc"); if (TC.hasValidGCCInstallation() || detectGCCToolchainAdjacent(D)) CmdArgs.push_back("-lgloss"); CmdArgs.push_back("--end-group"); diff --git a/clang/test/Driver/baremetal.cpp b/clang/test/Driver/baremetal.cpp index 4dc320191317e..5c86cac4d3f3c 100644 --- a/clang/test/Driver/baremetal.cpp +++ b/clang/test/Driver/baremetal.cpp @@ -163,6 +163,16 @@ // RUN: | FileCheck %s --check-prefix=CHECK-RTLIB-GCC // CHECK-RTLIB-GCC: -lgcc +// RUN: %clang -### --target=arm-none-eabi -nolibc -rtlib=compiler-rt %s 2>&1 \ +// RUN: | FileCheck %s --check-prefix=CHECK-NOLIBC +// CHECK-NOLIBC-NOT: "-lc" +// CHECK-NOLIBC: "{{[^"]*}}libclang_rt.builtins.a" + +// RUN: %clang -### --target=arm-none-eabi -nostdlib -rtlib=compiler-rt %s 2>&1 \ +// RUN: | FileCheck %s --check-prefix=CHECK-NOSTDLIB +// 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"