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32 lines
1.1 KiB
Plaintext
32 lines
1.1 KiB
Plaintext
Date: Mon, 20 Jan 2003 00:00:28 -0600
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From: Brian R. Gaeke <gaeke@uiuc.edu>
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Subject: windows vs. llvm
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If you're interested, here are some of the major problems compiling LLVM
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under Cygwin and/or Mingw.
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1. Cygwin doesn't have <inttypes.h> or <stdint.h>, so all the INT*_MAX
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symbols and standard int*_t types are off in limbo somewhere. Mingw has
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<stdint.h>, but Cygwin doesn't like it.
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2. Mingw doesn't have <dlfcn.h> (because Windows doesn't have it.)
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3. SA_SIGINFO and friends are not around; only signal() seems to work.
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4. Relink, aka ld -r, doesn't work (probably an ld bug); you need
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DONT_BUILD_RELINKED. This breaks all the tools makefiles; you just need to
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change them to have .a's.
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5. Cygwin's math.h defines log2(); it needs to be #undefed if already defined
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in MathExtras.h.
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6. There isn't a <values.h>.
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7. There isn't a mallinfo() (or, at least, it's documented, but it doesn't seem
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to link).
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8. The version of Bison that cygwin (and newer Linux versions) comes with
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does not like = signs in rules. Burg's gram.yc source file uses them. I think
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you can just take them out.
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