components/developer/flex/patches/01-gnu-m4.patch

   1 Make sure that we always use /usr/gnu/bin/m4 rather than what is available
   2 via the M4 environment variable or what's in the PATH environment variable.
   3
   4 These changes have been sent upstream. See email thread starting at:
   5
   6   https://sourceforge.net/p/flex/mailman/message/35103749/
   7
   8 --- flex-2.6.3/src/main.c.~1~   2016-12-29 23:03:14.000000000 +0300
   9 +++ flex-2.6.3/src/main.c       2017-03-14 19:31:53.967243261 +0300
  10 @@ -341,6 +341,7 @@
  11
  12      /* Setup the filter chain. */
  13      output_chain = filter_create_int(NULL, filter_tee_header, headerfilename);
  14 +#ifndef __sun
  15      if ( !(m4 = getenv("M4"))) {
  16             char *slash;
  17                 m4 = M4;
  18 @@ -380,6 +381,9 @@
  19                 }
  20         }
  21      filter_create_ext(output_chain, m4, "-P", 0);
  22 +#else
  23 +    filter_create_ext(output_chain, "/usr/gnu/bin/m4", "-P", 0);
  24 +#endif
  25      filter_create_int(output_chain, filter_fix_linedirs, NULL);
  26
  27      /* For debugging, only run the requested number of filters. */