gnu/packages/patches/plink-endian-detection.patch

   1 This patch is borrowed from Debian's patches for plink
   2
   3 Author: Peter Green <plugwash@p10link.net>
   4 Puropose: Fallback to endian.h if all else fails on 64bit machines
   5 Closes: #528659
   6 Forwarded: Shaun Purcell <plink@chgr.mgh.harvard.edu>
   7 License: same as plink itself.
   8 ===================================================================
   9 --- plink-1.06.orig/Rsrv.h      2009-05-15 03:35:29.000000000 +0100
  10 +++ plink-1.06/Rsrv.h   2009-05-15 03:35:41.000000000 +0100
  11 @@ -313,7 +313,18 @@
  12  #define __BIG_ENDIAN__ 1
  13  #define SWAPEND 1
  14  #elif ! defined Win32 /* Windows is little-endian is most cases, anywhere else we're stuck */
  15 -#error "Cannot determine endianness. Make sure config.h is included or __{BIG|LITTLE}_ENDIAN__ is defined ."
  16 +  //try endian.h before we finally bail out
  17 +  #include <endian.h>
  18 +  #if __BYTE_ORDER == __LITTLE_ENDIAN
  19 +    #warning using little endian based on information from endian.h
  20 +    #define __LITTLE_ENDIAN__ 1
  21 +  #elif __BYTE_ORDER == __BIG_ENDIAN
  22 +    #warning using big endian based on information from endian.h
  23 +    #define __BIG_ENDIAN__ 1
  24 +    #define SWAPEND 1
  25 +  #else
  26 +    #error "Cannot determine endianness. Make sure config.h is included or __{BIG|LITTLE}_ENDIAN__ is defined ."
  27 +  #endif
  28  #endif
  29
  30  /* FIXME: all the mess below needs more efficient implementation - the current one is so messy to work around alignment problems on some platforms like Sun and HP 9000 */