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annotate gen/cl_options.h @ 986:a8cb25d478c4
Use LLVM-style command line (instead of DMD-style)
Note: For a backward compatible interface, use the new bin/ldmd script. It
supports all old options while passing on anything it doesn't recognize.
Some changes caused by this:
* -debug and -version are now -d-debug and -d-version due to a conflict with
standard LLVM options.
* All "flag" options now allow an optional =true/=1/=false/=0 suffix.
* Some "hidden debug switches" starting with "--" were renamed because LLVM
doesn't care about the number of dashes, so they were conflicting with other
options (such as -c).
The new versions start with "-hidden-debug-" instead of "--"
* --help works, but has a non-zero exit code. This breaks some Tango scripts
which use it to test for compiler existence. See tango.patch.
Some changes not (directly) caused by this;
* (-enable/-disable)-FOO options are now available for pre- and postconditions.
* -march is used instead of -m (like other LLVM programs), but -m is an alias
for it.
* -defaultlib, -debuglib, -d-debug and -d-version allow comma-separated values.
The effect should be identical to specifying the same option multiple times.
I decided against allowing these for some other options because paths might
contain commas on some systems.
* -fPIC is removed in favor of the standard LLVM option -relocation-model=pic
Bug:
* If -run is specified as the last argument in DFLAGS, no error is generated.
(Not very serious IMHO)
author | Frits van Bommel <fvbommel wxs.nl> |
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date | Wed, 25 Feb 2009 17:34:51 +0100 |
parents | |
children | 2667e3a145be |
rev | line source |
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986
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1 #ifndef LDC_CL_OPTIONS_H |
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2 #define LDC_CL_OPTIONS_H |
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3 |
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4 #include "mars.h" |
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5 |
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6 #include <deque> |
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7 #include <vector> |
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8 |
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9 #include "llvm/Support/RegistryParser.h" |
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10 #include "llvm/Target/TargetMachineRegistry.h" |
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11 #include "llvm/Support/CommandLine.h" |
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12 |
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13 namespace opts { |
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14 namespace cl = llvm::cl; |
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15 |
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16 /* Mostly generated with the following command: |
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17 egrep -e '^(cl::|#if|#e)' gen/cl_options.cpp \ |
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18 | sed -re 's/^(cl::.*)\(.*$/ extern \1;/' |
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19 */ |
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20 extern cl::list<std::string> fileList; |
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21 extern cl::list<std::string> runargs; |
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22 extern cl::opt<bool> compileOnly; |
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23 extern cl::opt<bool> noAsm; |
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24 extern cl::opt<bool> dontWriteObj; |
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25 extern cl::opt<std::string> objectFile; |
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26 extern cl::opt<std::string> objectDir; |
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27 extern cl::opt<bool> output_bc; |
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28 extern cl::opt<bool> output_ll; |
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29 extern cl::opt<bool> output_s; |
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30 extern cl::opt<cl::boolOrDefault> output_o; |
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31 extern cl::opt<std::string> ddocDir; |
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32 extern cl::opt<std::string> ddocFile; |
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33 #ifdef _DH |
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34 extern cl::opt<std::string> hdrDir; |
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35 extern cl::opt<std::string> hdrFile; |
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36 #endif |
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37 extern cl::list<std::string> versions; |
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38 |
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39 extern cl::opt<const llvm::TargetMachineRegistry::entry*, false, |
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40 llvm::RegistryParser<llvm::TargetMachine> > mArch; |
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41 |
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42 // Arguments to -d-debug |
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43 extern std::vector<std::string> debugArgs; |
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44 // Arguments to -run |
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45 } |
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46 #endif |