llvm::opt::InputArgList parse(llvm::ArrayRef<const char *> Args);
// Concatenate LINK environment varirable and given arguments and parse them.
- llvm::opt::InputArgList parseLINK(llvm::ArrayRef<const char *> Args);
+ llvm::opt::InputArgList parseLINK(std::vector<const char *> Args);
// Tokenizes a given string and then parses as command line options.
llvm::opt::InputArgList parse(StringRef S) { return parse(tokenize(S)); }
return Args;
}
-// link.exe has an interesting feature. If LINK environment exists,
-// its contents are handled as a command line string. So you can pass
-// extra arguments using the environment variable.
-opt::InputArgList ArgParser::parseLINK(ArrayRef<const char *> Args) {
+// link.exe has an interesting feature. If LINK or _LINK_ environment
+// variables exist, their contents are handled as command line strings.
+// So you can pass extra arguments using them.
+opt::InputArgList ArgParser::parseLINK(std::vector<const char *> Args) {
// Concatenate LINK env and command line arguments, and then parse them.
- Optional<std::string> Env = Process::GetEnv("LINK");
- if (!Env)
- return parse(Args);
- std::vector<const char *> V = tokenize(*Env);
- V.insert(V.end(), Args.begin(), Args.end());
- return parse(V);
+ if (Optional<std::string> S = Process::GetEnv("LINK")) {
+ std::vector<const char *> V = tokenize(*S);
+ Args.insert(Args.begin(), V.begin(), V.end());
+ }
+ if (Optional<std::string> S = Process::GetEnv("_LINK_")) {
+ std::vector<const char *> V = tokenize(*S);
+ Args.insert(Args.begin(), V.begin(), V.end());
+ }
+ return parse(Args);
}
std::vector<const char *> ArgParser::tokenize(StringRef S) {
-# RUN: env LINK=-help lld-link > %t.log
-# RUN: FileCheck %s < %t.log
+# RUN: env LINK=-help lld-link | FileCheck %s
+# RUN: env _LINK_=-help lld-link | FileCheck %s
CHECK: OVERVIEW: LLVM Linker