git.distorted.org.uk Git - u/mdw/catacomb/blob - configure.in

   1 dnl -*-fundamental-*-
   2 dnl
   3 dnl $Id: configure.in,v 1.23 2001/03/04 13:09:40 mdw Exp $
   4 dnl
   5 dnl Autoconfiguration for Catacomb
   6 dnl
   7 dnl (c) 1999 Straylight/Edgeware
   8 dnl
   9
  10 dnl ----- Licensing notice --------------------------------------------------
  11 dnl
  12 dnl This file is part of Catacomb.
  13 dnl
  14 dnl Catacomb is free software; you can redistribute it and/or modify
  15 dnl it under the terms of the GNU Library General Public License as
  16 dnl published by the Free Software Foundation; either version 2 of the
  17 dnl License, or (at your option) any later version.
  18 dnl
  19 dnl Catacomb is distributed in the hope that it will be useful,
  20 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
  21 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22 dnl GNU Library General Public License for more details.
  23 dnl
  24 dnl You should have received a copy of the GNU Library General Public
  25 dnl License along with Catacomb; if not, write to the Free
  26 dnl Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
  27 dnl MA 02111-1307, USA.
  28
  29 dnl ----- Revision history --------------------------------------------------
  30 dnl
  31 dnl $Log: configure.in,v $
  32 dnl Revision 1.23  2001/03/04 13:09:40  mdw
  33 dnl Mark dependency on mLib 2.0.0pre4 now.
  34 dnl
  35 dnl Revision 1.21  2000/10/08 12:01:28  mdw
  36 dnl Reinstate the `-pedantic' option.
  37 dnl
  38 dnl Revision 1.20  2000/08/15 21:45:25  mdw
  39 dnl New library configuration stuff from `common'.
  40 dnl
  41 dnl Revision 1.13  2000/06/17 13:51:03  mdw
  42 dnl Whoops.  Too eager with the mLib version.
  43 dnl
  44 dnl Revision 1.12  2000/06/17 12:57:47  mdw
  45 dnl New free counter noise generator, for use if /dev/random is
  46 dnl unavailable.
  47 dnl
  48 dnl Revision 1.11  2000/06/17 10:51:23  mdw
  49 dnl Version number changes.  Find maths library for Maurer's test.
  50 dnl
  51 dnl Revision 1.10  1999/12/22 16:03:31  mdw
  52 dnl New mLib version.  Find socket functions for pixie.
  53 dnl
  54 dnl Revision 1.7  1999/11/13 01:55:48  mdw
  55 dnl Don't be pedantic, because using `long long' as a multiprecision type
  56 dnl gets complained about.
  57 dnl
  58 dnl Revision 1.6  1999/11/11 18:56:14  mdw
  59 dnl Use `libtool' to generate a shared library.
  60 dnl
  61 dnl Revision 1.5  1999/11/11 17:47:34  mdw
  62 dnl Updates for new configuration system, and `mptypes' generator.
  63 dnl
  64 dnl Revision 1.4  1999/11/11 00:58:19  mdw
  65 dnl Use canned check for `ssize_t'.
  66 dnl
  67 dnl Revision 1.3  1999/10/24 10:20:36  mdw
  68 dnl Modify for standalone distribution.  The library's getting far too large
  69 dnl to be sensibly embedded in other programs.
  70 dnl
  71 dnl Revision 1.1  1999/09/03 08:41:11  mdw
  72 dnl Initial import.
  73 dnl
  74
  75 dnl --- Boring boilerplate ---
  76
  77 AC_INIT(blkc.h)
  78 mdw_INIT_LIB(catacomb, Catacomb, 2.0.0pre8)
  79 AM_CONFIG_HEADER(config.h)
  80
  81 dnl --- Make sure I can compile and build libraries ---
  82
  83 AC_PROG_CC
  84 AM_PROG_LIBTOOL
  85 mdw_GCC_FLAGS
  86
  87 AC_PROG_YACC
  88
  89 dnl --- Actually, I assume these exist anyway ---
  90
  91 AC_CHECK_HEADERS(unistd.h)
  92 AC_HEADER_STDC
  93
  94 dnl --- Check for various important system types ---
  95
  96 AC_TYPE_PID_T
  97 AC_TYPE_SIZE_T
  98 AC_TYPE_UID_T
  99 AC_CHECK_TYPE(time_t, long)
 100 mdw_TYPE_SSIZE_T
 101
 102 dnl --- The maths library, for Maurer's test ---
 103
 104 mdw_CHECK_MANYLIBS(log, m,,, [#include <math.h>], [2])
 105 mdw_CHECK_MANYLIBS(sqrt, m,,, [#include <math.h>], [2])
 106
 107 dnl --- Functions used for noise-gathering ---
 108
 109 AC_CHECK_FUNCS(setgroups)
 110
 111 AC_CACHE_CHECK([whether the freewheel noise generator will work],
 112 [catacomb_cv_freewheel],
 113 [AC_TRY_LINK([
 114 #include <setjmp.h>
 115 #include <sys/time.h>
 116 ],
 117 [struct itimerval itv = { { 0, 0 }, { 0, 5000 } };
 118 jmp_buf j;
 119 setitimer(ITIMER_REAL, &itv, 0);
 120 sigsetjmp(j, 1);],
 121 [catacomb_cv_freewheel=yes],
 122 [catacomb_cv_freewheel=no])])
 123 if test "$catacomb_cv_freewheel" = "yes"; then
 124   AC_DEFINE([USE_FREEWHEEL])
 125 fi
 126
 127 dnl --- Support for the passphrase pixie ---
 128
 129 mdw_CHECK_MANYLIBS(socket, socket)
 130 AC_CHECK_FUNCS(mlock)
 131
 132 dnl --- Done ---
 133
 134 mdw_MLIB(2.0.0pre4)
 135 AC_OUTPUT(Makefile tests/Makefile catacomb-config:lib-config.in qcc,
 136   chmod 755 qcc)
 137
 138 dnl ----- That's all, folks -------------------------------------------------