---

yaml
---
r: 51971
b: refs/heads/incoming
c: 77eadc0
h: refs/heads/master
i:
  51969: 3b59ec1
  51967: d089c10
v: v3

Author: bors

[refs]

@@ -6,7 +6,7 @@ refs/heads/try: 8eb2bab100b42f0ba751552d8eff00eb2134c55a
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/heads/ndm: f3868061cd7988080c30d6d5bf352a5a5fe2460b
 refs/heads/try2: 147ecfdd8221e4a4d4e090486829a06da1e0ca3c
-refs/heads/incoming: d09835d2e3c0cb3227baec0ba6f1b23d7c95f474
+refs/heads/incoming: 77eadc0653dac6314ee425ab2502433348c82418
 refs/heads/dist-snap: 8b98e5a296d95c5e832db0756828e5bec31c6f50
 refs/tags/release-0.2: c870d2dffb391e14efb05aa27898f1f6333a9596
 refs/tags/release-0.3: b5f0d0f648d9a6153664837026ba1be43d3e2503

branches/incoming/src/rustllvm/RustWrapper.cpp

@@ -62,6 +62,8 @@ using namespace llvm::sys;
 
 static const char *LLVMRustError;
 
+extern cl::opt<bool> EnableARMEHABI;
+
 extern "C" LLVMMemoryBufferRef
 LLVMRustCreateMemoryBufferWithContentsOfFile(const char *Path) {
   LLVMMemoryBufferRef MemBuf = NULL;
@@ -429,10 +431,16 @@ LLVMRustWriteOutputFile(LLVMPassManagerRef PMR,
 
   LLVMRustInitializeTargets();
 
-  int argc = 3;
-  const char* argv[] = {"rustc", "-arm-enable-ehabi",
-      "-arm-enable-ehabi-descriptors"};
-  cl::ParseCommandLineOptions(argc, argv);
+  // Initializing the command-line options more than once is not
+  // allowed. So, check if they've already been initialized.
+  // (This could happen if we're being called from rustpkg, for
+  // example.)
+  if (!EnableARMEHABI) {
+    int argc = 3;
+    const char* argv[] = {"rustc", "-arm-enable-ehabi",
+			  "-arm-enable-ehabi-descriptors"};
+    cl::ParseCommandLineOptions(argc, argv);
+  }
 
   TargetOptions Options;
   Options.NoFramePointerElim = true;