Mercurial > projects > ldc
annotate gen/programs.cpp @ 1509:e07f15c4ab4d
Automated merge with http://hg.dsource.org/projects/ldc
author | Christian Kamm <kamm incasoftware de> |
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date | Sat, 20 Jun 2009 19:12:04 +0200 |
parents | a376776e2301 |
children |
rev | line source |
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1299
847b767b2d0b
Factor out the code to find gcc, and add a command-line option to override the
Frits van Bommel <fvbommel wxs.nl>
parents:
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1 #include "gen/programs.h" |
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2 |
847b767b2d0b
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3 #include "llvm/Support/CommandLine.h" |
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4 #include "llvm/System/Program.h" |
847b767b2d0b
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Frits van Bommel <fvbommel wxs.nl>
parents:
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5 |
847b767b2d0b
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6 #include "root.h" // error(char*) |
847b767b2d0b
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7 #include "mars.h" // fatal() |
847b767b2d0b
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8 |
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9 using namespace llvm; |
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10 |
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11 static cl::opt<std::string> gcc("gcc", |
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12 cl::desc("GCC to use for assembling and linking"), |
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13 cl::Hidden, |
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14 cl::ZeroOrMore); |
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15 |
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16 |
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17 sys::Path getGcc() { |
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18 const char *cc = NULL; |
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19 |
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20 if (gcc.getNumOccurrences() > 0 && gcc.length() > 0) |
847b767b2d0b
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21 cc = gcc.c_str(); |
847b767b2d0b
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22 |
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23 if (!cc) |
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24 cc = getenv("CC"); |
847b767b2d0b
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parents:
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25 if (!cc) |
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26 cc = "gcc"; |
847b767b2d0b
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parents:
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27 |
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28 sys::Path path = sys::Program::FindProgramByName(cc); |
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29 if (path.empty() && !cc) { |
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30 if (cc) { |
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31 path.set(cc); |
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32 } else { |
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33 error("failed to locate gcc"); |
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34 fatal(); |
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35 } |
847b767b2d0b
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36 } |
847b767b2d0b
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37 |
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38 return path; |
847b767b2d0b
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39 } |