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-rw-r--r--lib/Support/SystemUtils.cpp15
1 files changed, 8 insertions, 7 deletions
diff --git a/lib/Support/SystemUtils.cpp b/lib/Support/SystemUtils.cpp
index b23888e2b0..b18a8d50b4 100644
--- a/lib/Support/SystemUtils.cpp
+++ b/lib/Support/SystemUtils.cpp
@@ -37,17 +37,18 @@ bool isExecutableFile(const std::string &ExeFileName) {
}
-// FindExecutable - Find a named executable, giving the argv[0] of bugpoint.
-// This assumes the executable is in the same directory as bugpoint itself.
-// If the executable cannot be found, return an empty string.
+// 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.
//
std::string FindExecutable(const std::string &ExeName,
- const std::string &BugPointPath) {
+ const std::string &ProgramPath) {
// First check the directory that bugpoint is in. We can do this if
// BugPointPath contains at least one / character, indicating that it is a
// relative path to bugpoint itself.
//
- std::string Result = BugPointPath;
+ std::string Result = ProgramPath;
while (!Result.empty() && Result[Result.size()-1] != '/')
Result.erase(Result.size()-1, 1);
@@ -56,8 +57,8 @@ std::string FindExecutable(const std::string &ExeName,
if (isExecutableFile(Result)) return Result; // Found it?
}
- // Okay, if the path to bugpoint didn't tell us anything, try using the PATH
- // environment variable.
+ // Okay, if the path to the program didn't tell us anything, try using the
+ // PATH environment variable.
const char *PathStr = getenv("PATH");
if (PathStr == 0) return "";