[WebAssembly] Reland of rL356953 (4dcf3acce6)
The previous patch was missing GetProgramPath() in the return value
of getLinkerPath().
See https://reviews.llvm.org/D59743
llvm-svn: 357195
diff --git a/clang/lib/Driver/ToolChains/WebAssembly.cpp b/clang/lib/Driver/ToolChains/WebAssembly.cpp
index b69588d..657f686 100644
--- a/clang/lib/Driver/ToolChains/WebAssembly.cpp
+++ b/clang/lib/Driver/ToolChains/WebAssembly.cpp
@@ -12,6 +12,8 @@
#include "clang/Driver/Driver.h"
#include "clang/Driver/DriverDiagnostic.h"
#include "clang/Driver/Options.h"
+#include "llvm/Support/FileSystem.h"
+#include "llvm/Support/Path.h"
#include "llvm/Option/ArgList.h"
using namespace clang::driver;
@@ -36,6 +38,25 @@
bool wasm::Linker::hasIntegratedCPP() const { return false; }
+std::string wasm::Linker::getLinkerPath(const ArgList &Args) const {
+ const ToolChain &ToolChain = getToolChain();
+ if (const Arg* A = Args.getLastArg(options::OPT_fuse_ld_EQ)) {
+ StringRef UseLinker = A->getValue();
+ if (!UseLinker.empty()) {
+ if (llvm::sys::path::is_absolute(UseLinker) &&
+ llvm::sys::fs::can_execute(UseLinker))
+ return UseLinker;
+
+ // Accept 'lld', and 'ld' as aliases for the default linker
+ if (UseLinker != "lld" && UseLinker != "ld")
+ ToolChain.getDriver().Diag(diag::err_drv_invalid_linker_name)
+ << A->getAsString(Args);
+ }
+ }
+
+ return ToolChain.GetProgramPath(ToolChain.getDefaultLinker());
+}
+
void wasm::Linker::ConstructJob(Compilation &C, const JobAction &JA,
const InputInfo &Output,
const InputInfoList &Inputs,
@@ -43,7 +64,7 @@
const char *LinkingOutput) const {
const ToolChain &ToolChain = getToolChain();
- const char *Linker = Args.MakeArgString(ToolChain.GetLinkerPath());
+ const char *Linker = Args.MakeArgString(getLinkerPath(Args));
ArgStringList CmdArgs;
if (Args.hasArg(options::OPT_s))