improve compatibility with GCC: when generating the ".d" filename to use

and the filename has multiple .'s in it, use the last.  For example, "foo.bar.cpp"
should produce "foo.bar.d" not "foo.d".  Patch by Johan Boule in PR8391

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@123576 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index ba2d32328ce00b0b29a18f9f3e44d938b338c8c0..e245f78870929726a9d9bbd9fbf35ad7f899304a 100644 (file)
--- a/lib/Driver/Tools.cpp
+++ b/lib/Driver/Tools.cpp
@@ -1964,7 +1964,7 @@ const char *darwin::CC1::getBaseInputStem(const ArgList &Args,
                                           const InputInfoList &Inputs) {
   const char *Str = getBaseInputName(Args, Inputs);
 
-  if (const char *End = strchr(Str, '.'))
+  if (const char *End = strrchr(Str, '.'))
     return Args.MakeArgString(std::string(Str, End));
 
   return Str;