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author | Mark Adler <madler@alumni.caltech.edu> | 2012-03-13 23:19:38 -0700 |
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committer | Mark Adler <madler@alumni.caltech.edu> | 2012-03-13 23:19:38 -0700 |
commit | 8dc21b17a626f4b0fb99c017fcbdf3ac20b35b32 (patch) | |
tree | 79416d76723aed9a33652794767b725f17bc30b8 /zconf.h.in | |
parent | 9c08a822463664c204ff57a0a91abe727d7987c1 (diff) | |
download | zlib-8dc21b17a626f4b0fb99c017fcbdf3ac20b35b32.tar.gz zlib-8dc21b17a626f4b0fb99c017fcbdf3ac20b35b32.tar.bz2 zlib-8dc21b17a626f4b0fb99c017fcbdf3ac20b35b32.zip |
Allow the use of -Wundef when compiling or using zlib.
Diffstat (limited to 'zconf.h.in')
-rw-r--r-- | zconf.h.in | 20 |
1 files changed, 14 insertions, 6 deletions
@@ -399,24 +399,32 @@ typedef uLong FAR uLongf; | |||
399 | # endif | 399 | # endif |
400 | #endif | 400 | #endif |
401 | 401 | ||
402 | /* a little trick to accommodate both "#define _LARGEFILE64_SOURCE" and | 402 | /* accommodate both "#define _LARGEFILE64_SOURCE" and |
403 | * "#define _LARGEFILE64_SOURCE 1" as requesting 64-bit operations, (even | 403 | * "#define _LARGEFILE64_SOURCE 1" as requesting 64-bit operations, (even |
404 | * though the former does not conform to the LFS document), but considering | 404 | * though the former does not conform to the LFS document), but consider |
405 | * both "#undef _LARGEFILE64_SOURCE" and "#define _LARGEFILE64_SOURCE 0" as | 405 | * both "#undef _LARGEFILE64_SOURCE" and "#define _LARGEFILE64_SOURCE 0" as |
406 | * equivalently requesting no 64-bit operations | 406 | * equivalently requesting no 64-bit operations |
407 | */ | 407 | */ |
408 | #if -_LARGEFILE64_SOURCE - -1 == 1 | 408 | #if defined(LARGEFILE64_SOURCE) && _LARGEFILE64_SOURCE == 0 |
409 | # undef _LARGEFILE64_SOURCE | 409 | # undef _LARGEFILE64_SOURCE |
410 | #endif | 410 | #endif |
411 | 411 | ||
412 | #if defined(_LARGEFILE64_SOURCE) && _LFS64_LARGEFILE-0 | 412 | #if defined(_LFS64_LARGEFILE) && _LFS64_LARGEFILE == 1 |
413 | # define Z_LARGE | 413 | # define Z_LFS64 |
414 | #endif | ||
415 | |||
416 | #if defined(_LARGEFILE64_SOURCE) && defined(Z_LFS64) | ||
417 | # define Z_LARGE64 | ||
418 | #endif | ||
419 | |||
420 | #if defined(_FILE_OFFSET_BITS) && _FILE_OFFSET_BITS == 64 && defined(Z_LFS64) | ||
421 | # define Z_WANT64 | ||
414 | #endif | 422 | #endif |
415 | 423 | ||
416 | #if defined(__WATCOMC__) && !defined(Z_HAVE_UNISTD_H) | 424 | #if defined(__WATCOMC__) && !defined(Z_HAVE_UNISTD_H) |
417 | # define Z_HAVE_UNISTD_H | 425 | # define Z_HAVE_UNISTD_H |
418 | #endif | 426 | #endif |
419 | #if (defined(Z_HAVE_UNISTD_H) || defined(Z_LARGE)) && !defined(Z_SOLO) | 427 | #if (defined(Z_HAVE_UNISTD_H) || defined(Z_LARGE64)) && !defined(Z_SOLO) |
420 | # include <unistd.h> /* for SEEK_* and off_t */ | 428 | # include <unistd.h> /* for SEEK_* and off_t */ |
421 | # ifdef VMS | 429 | # ifdef VMS |
422 | # include <unixio.h> /* for off_t */ | 430 | # include <unixio.h> /* for off_t */ |