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94 lines
2.1 KiB
C++
94 lines
2.1 KiB
C++
//===-- programs.cpp ------------------------------------------------------===//
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//
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// LDC – the LLVM D compiler
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//
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// This file is distributed under the BSD-style LDC license. See the LICENSE
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// file for details.
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//
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//===----------------------------------------------------------------------===//
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#include "gen/programs.h"
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#include "mars.h" // fatal()
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#include "root.h" // error(char*)
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#include "llvm/Support/CommandLine.h"
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#include "llvm/Support/Program.h"
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using namespace llvm;
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static cl::opt<std::string> gcc("gcc",
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cl::desc("GCC to use for assembling and linking"),
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cl::Hidden,
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cl::ZeroOrMore);
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static cl::opt<std::string> ar("ar",
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cl::desc("Archiver"),
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cl::Hidden,
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cl::ZeroOrMore);
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static cl::opt<std::string> mslink("ms-link",
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cl::desc("LINK to use for linking on Windows"),
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cl::Hidden,
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cl::ZeroOrMore);
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static cl::opt<std::string> mslib("ms-lib",
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cl::desc("Library Manager to use on Windows"),
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cl::Hidden,
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cl::ZeroOrMore);
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#if LDC_LLVM_VER >= 304
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typedef std::string RetType;
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#else
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typedef sys::Path RetType;
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namespace llvm {
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namespace sys {
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inline sys::Path FindProgramByName(const std::string& name)
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{
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return llvm::sys::Program::FindProgramByName(name);
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}
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} // namespace sys
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} // namespace llvm
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#endif
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static RetType getProgram(const char *name, const cl::opt<std::string> &opt, const char *envVar = 0)
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{
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RetType path;
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const char *prog = NULL;
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if (opt.getNumOccurrences() > 0 && opt.length() > 0 && (prog = opt.c_str()))
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path = sys::FindProgramByName(prog);
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if (path.empty() && envVar && (prog = getenv(envVar)))
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path = sys::FindProgramByName(prog);
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if (path.empty())
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path = sys::FindProgramByName(name);
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if (path.empty()) {
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error("failed to locate %s", name);
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fatal();
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}
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return path;
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}
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RetType getGcc()
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{
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return getProgram("gcc", gcc, "CC");
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}
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RetType getArchiver()
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{
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return getProgram("ar", ar);
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}
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RetType getLink()
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{
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return getProgram("link.exe", mslink);
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}
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RetType getLib()
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{
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return getProgram("lib.exe", mslib);
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}
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