-
-/// 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 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 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.
- sys::Path Result = sys::Path::GetMainExecutable(Argv0, MainAddr);
- Result.eraseComponent();
- if (!Result.isEmpty()) {
- Result.appendComponent(ExeName);
- if (Result.canExecute())
- return Result;
- // If the path is absolute (and it usually is), call FindProgramByName to
- // allow it to try platform-specific logic, such as appending a .exe suffix
- // on Windows. Don't do this if we somehow have a relative path, because
- // we don't want to go searching the PATH and accidentally find an unrelated
- // version of the program.
- if (Result.isAbsolute()) {
- Result = sys::Program::FindProgramByName(Result.str());
- return Result;
- }
- }
-
- return Result;
-}