blob: 4213b84b8bde374dfe5c703c632804b3cc2ee6b8 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
//===- SystemUtils.cpp - Utilities for low-level system tasks -------------===//
//
// The LLVM Compiler Infrastructure
//
// This file was developed by the LLVM research group and is distributed under
// the University of Illinois Open Source License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file contains functions used to do a variety of low-level, often
// system-specific, tasks.
//
//===----------------------------------------------------------------------===//
#include "llvm/Support/SystemUtils.h"
#include "llvm/System/Program.h"
using namespace llvm;
/// isStandardOutAConsole - Return true if we can tell that the standard output
/// stream goes to a terminal window or console.
bool llvm::isStandardOutAConsole() {
#if HAVE_ISATTY
return isatty(1);
#endif
// If we don't have isatty, just return false.
return false;
}
/// 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.
///
#undef FindExecutable // needed on windows :(
sys::Path llvm::FindExecutable(const std::string &ExeName,
const std::string &ProgramPath) {
// First 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 bugpoint itself.
sys::Path Result ( ProgramPath );
Result.elideFile();
if (!Result.isEmpty()) {
Result.appendFile(ExeName);
if (Result.executable())
return Result;
}
return sys::Program::FindProgramByName(ExeName);
}
|
