1 files changed, 57 insertions, 0 deletions
diff --git a/test/Bindings/Go/lit.local.cfg b/test/Bindings/Go/lit.local.cfg
new file mode 100644
index 000000000000..e86595b8cb56
--- /dev/null
+++ b/test/Bindings/Go/lit.local.cfg
@@ -0,0 +1,57 @@
+import os
+import pipes
+import shlex
+import sys
+
+if not 'go' in config.root.llvm_bindings:
+    config.unsupported = True
+
+def find_executable(executable, path=None):
+    if path is None:
+        path = os.environ['PATH']
+    paths = path.split(os.pathsep)
+    base, ext = os.path.splitext(executable)
+
+    if (sys.platform == 'win32' or os.name == 'os2') and (ext != '.exe'):
+        executable = executable + '.exe'
+
+    if not os.path.isfile(executable):
+        for p in paths:
+            f = os.path.join(p, executable)
+            if os.path.isfile(f):
+                return f
+        return None
+    else:
+        return executable
+
+# Resolve certain symlinks in the first word of compiler.
+#
+# This is a Go-specific hack. cgo and other Go tools check $CC and $CXX for the
+# substring 'clang' to determine if the compiler is Clang. This won't work if
+# $CC is cc and cc is a symlink pointing to clang, as it is on Darwin.
+#
+# Go tools also have problems with ccache, so we disable it.
+def fixup_compiler_path(compiler):
+    args = shlex.split(compiler)
+    if args[0].endswith('ccache'):
+        args = args[1:]
+
+    path = find_executable(args[0])
+
+    try:
+        if path.endswith('/cc') and os.readlink(path) == 'clang':
+            args[0] = path[:len(path)-2] + 'clang'
+    except (AttributeError, OSError):
+        pass
+
+    try:
+        if path.endswith('/c++') and os.readlink(path) == 'clang++':
+            args[0] = path[:len(path)-3] + 'clang++'
+    except (AttributeError, OSError):
+        pass
+
+    return ' '.join([pipes.quote(arg) for arg in args])
+
+config.environment['CC'] = fixup_compiler_path(config.host_cc)
+config.environment['CXX'] = fixup_compiler_path(config.host_cxx)
+config.environment['CGO_LDFLAGS'] = config.host_ldflags