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cf0b8936ce
default executable name. This should help cross-compilation by allowing a cross-gcc to be specified from the configuration file instead of only through the CC environment variable.
41 lines
823 B
C++
41 lines
823 B
C++
#include "gen/programs.h"
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#include "llvm/Support/CommandLine.h"
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#include "llvm/System/Program.h"
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#include "root.h" // error(char*)
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#include "mars.h" // fatal()
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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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sys::Path getGcc() {
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const char *cc = NULL;
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if (gcc.getNumOccurrences() > 0 && gcc.length() > 0)
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cc = gcc.c_str();
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if (!cc)
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#if !_WIN32
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cc = getenv("CC");
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if (!cc)
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#endif
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cc = "gcc";
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sys::Path path = sys::Program::FindProgramByName(cc);
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if (path.empty() && !cc) {
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if (cc) {
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path.set(cc);
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} else {
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error("failed to locate gcc");
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fatal();
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}
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}
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return path;
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}
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