[PATCH] D21163: Strip Android version when looking up toolchain paths.

[Josh Gao via cfe-commits]

jmgao updated this revision to Diff 60294.
jmgao added a comment.

Add test.


http://reviews.llvm.org/D21163

Files:
  lib/Driver/Driver.cpp
  test/Driver/Inputs/android_triple_version/bin/arm-linux-androideabi-ld
  test/Driver/Inputs/android_triple_version/bin/arm-linux-androideabi-ld.exe
  test/Driver/android-triple-version.c

Index: test/Driver/android-triple-version.c
===================================================================
--- /dev/null
+++ test/Driver/android-triple-version.c
@@ -0,0 +1,10 @@
+// Android's target triples can contain a version number in the environment
+// field (e.g. arm-linux-androideabi9).
+// Make sure that any version is stripped when finding toolchain binaries.
+
+// RUN: env "PATH=%S/Inputs/android_triple_version/bin" \
+// RUN:     %clang -### -target arm-linux-androideabi %s 2>&1 | FileCheck %s
+// RUN: env "PATH=%S/Inputs/android_triple_version/bin" \
+// RUN:     %clang -### -target arm-linux-androideabi9 %s 2>&1 | FileCheck %s
+
+// CHECK: arm-linux-androideabi-ld
Index: lib/Driver/Driver.cpp
===================================================================
--- lib/Driver/Driver.cpp
+++ lib/Driver/Driver.cpp
@@ -2343,7 +2343,15 @@
     const char *Tool, const ToolChain &TC,
     SmallVectorImpl<std::string> &Names) const {
   // FIXME: Needs a better variable than DefaultTargetTriple
-  Names.emplace_back(DefaultTargetTriple + "-" + Tool);
+  StringRef Triple = DefaultTargetTriple;
+
+  // On Android, the target triple can include a version number that needs to
+  // be stripped.
+  if (TC.getTriple().isAndroid()) {
+    Triple = Triple.rtrim("0123456789");
+  }
+
+  Names.emplace_back((Triple + "-" + Tool).str());
   Names.emplace_back(Tool);
 
   // Allow the discovery of tools prefixed with LLVM's default target triple.


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