Fix FindExecutable to use sys::Path::GetMainExecutable instead of

[oota-llvm.git] / lib / Support / SystemUtils.cpp

diff --git a/lib/Support/SystemUtils.cpp b/lib/Support/SystemUtils.cpp
index 49a87e405acfec9a09c11feb397f33f188d14c4d..09c0b19aa9c0bead5b178406227208cfeab1c771 100644 (file)
--- a/lib/Support/SystemUtils.cpp
+++ b/lib/Support/SystemUtils.cpp
@@ -50,24 +50,17 @@ bool llvm::CheckBitcodeOutputToConsole(std::ostream* stream_to_check,
 }
 
 /// FindExecutable - Find a named executable, giving the argv[0] of program
-/// being executed. This allows us to find another LLVM tool if it is built
-/// into the same directory, but that directory is neither the current
-/// directory, nor in the PATH.  If the executable cannot be found, return an
-/// empty string. Return the input string if given a full path to an executable.
-///
+/// being executed. This allows us to find another LLVM tool if it is built in
+/// the same directory.  If the executable cannot be found, return an
+/// empty string.
+/// @brief Find a named executable.
 #undef FindExecutable   // needed on windows :(
 sys::Path llvm::FindExecutable(const std::string &ExeName,
-                               const std::string &ProgramPath) {
-  // First check if the given name is already a valid path to an executable.
-  sys::Path Result(ExeName);
-  Result.makeAbsolute();
-  if (Result.canExecute())
-    return Result;
-
-  // Otherwise check the directory that the calling program is in.  We can do
+                               const char *Argv0, void *MainAddr) {
+  // Check the directory that the calling program is in.  We can do
   // this if ProgramPath contains at least one / character, indicating that it
   // is a relative path to the executable itself.
-  Result = ProgramPath;
+  sys::Path Result = sys::Path::GetMainExecutable(Argv0, MainAddr);
   Result.eraseComponent();
   if (!Result.isEmpty()) {
     Result.appendComponent(ExeName);
@@ -75,5 +68,5 @@ sys::Path llvm::FindExecutable(const std::string &ExeName,
       return Result;
   }
 
-  return sys::Program::FindProgramByName(ExeName);
+  return sys::Path();
 }