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

   1 dnl -*-m4-*-
   2 dnl
   3 dnl $Id: configure.in,v 1.27 2004/03/21 22:52:06 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 1.27  2004/03/21 22:52:06  mdw
  33 dnl Merge and close elliptic curve branch.
  34 dnl
  35 dnl   Revision 1.24.2.1  2003/06/10 13:43:53  mdw
  36 dnl   Simple (non-projective) curves over prime fields now seem to work.
  37 dnl
  38 dnl Revision 1.26  2003/11/29 23:39:36  mdw
  39 dnl Debianization.
  40 dnl
  41 dnl Revision 1.25  2003/10/11 21:02:33  mdw
  42 dnl Import buf stuff from tripe.
  43 dnl
  44 dnl Revision 1.24  2003/05/16 00:30:28  mdw
  45 dnl Version bump.
  46 dnl
  47 dnl Revision 1.23  2001/03/04 13:09:40  mdw
  48 dnl Mark dependency on mLib 2.0.0pre4 now.
  49 dnl
  50 dnl Revision 1.21  2000/10/08 12:01:28  mdw
  51 dnl Reinstate the `-pedantic' option.
  52 dnl
  53 dnl Revision 1.20  2000/08/15 21:45:25  mdw
  54 dnl New library configuration stuff from `common'.
  55 dnl
  56 dnl Revision 1.13  2000/06/17 13:51:03  mdw
  57 dnl Whoops.  Too eager with the mLib version.
  58 dnl
  59 dnl Revision 1.12  2000/06/17 12:57:47  mdw
  60 dnl New free counter noise generator, for use if /dev/random is
  61 dnl unavailable.
  62 dnl
  63 dnl Revision 1.11  2000/06/17 10:51:23  mdw
  64 dnl Version number changes.  Find maths library for Maurer's test.
  65 dnl
  66 dnl Revision 1.10  1999/12/22 16:03:31  mdw
  67 dnl New mLib version.  Find socket functions for pixie.
  68 dnl
  69 dnl Revision 1.7  1999/11/13 01:55:48  mdw
  70 dnl Don't be pedantic, because using `long long' as a multiprecision type
  71 dnl gets complained about.
  72 dnl
  73 dnl Revision 1.6  1999/11/11 18:56:14  mdw
  74 dnl Use `libtool' to generate a shared library.
  75 dnl
  76 dnl Revision 1.5  1999/11/11 17:47:34  mdw
  77 dnl Updates for new configuration system, and `mptypes' generator.
  78 dnl
  79 dnl Revision 1.4  1999/11/11 00:58:19  mdw
  80 dnl Use canned check for `ssize_t'.
  81 dnl
  82 dnl Revision 1.3  1999/10/24 10:20:36  mdw
  83 dnl Modify for standalone distribution.  The library's getting far too large
  84 dnl to be sensibly embedded in other programs.
  85 dnl
  86 dnl Revision 1.1  1999/09/03 08:41:11  mdw
  87 dnl Initial import.
  88 dnl
  89
  90 dnl --- Boring boilerplate ---
  91
  92 AC_INIT(blkc.h)
  93 mdw_INIT_LIB(catacomb, Catacomb, 2.1.0)
  94 AM_CONFIG_HEADER(config.h)
  95
  96 dnl --- Make sure I can compile and build libraries ---
  97
  98 AC_PROG_CC
  99 AM_PROG_LIBTOOL
 100 mdw_GCC_FLAGS
 101
 102 AC_PROG_YACC
 103
 104 dnl --- Actually, I assume these exist anyway ---
 105
 106 AC_CHECK_HEADERS(unistd.h)
 107 AC_HEADER_STDC
 108
 109 dnl --- Check for various important system types ---
 110
 111 AC_TYPE_PID_T
 112 AC_TYPE_SIZE_T
 113 AC_TYPE_UID_T
 114 AC_CHECK_TYPE(time_t, long)
 115 mdw_TYPE_SSIZE_T
 116
 117 dnl --- The maths library, for Maurer's test ---
 118
 119 mdw_CHECK_MANYLIBS(log, m,,, [#include <math.h>], [2])
 120 mdw_CHECK_MANYLIBS(sqrt, m,,, [#include <math.h>], [2])
 121
 122 dnl --- Functions used for noise-gathering ---
 123
 124 AC_CHECK_FUNCS(setgroups)
 125
 126 AC_CACHE_CHECK([whether the freewheel noise generator will work],
 127 [catacomb_cv_freewheel],
 128 [AC_TRY_LINK([
 129 #include <setjmp.h>
 130 #include <sys/time.h>
 131 ],
 132 [struct itimerval itv = { { 0, 0 }, { 0, 5000 } };
 133 jmp_buf j;
 134 setitimer(ITIMER_REAL, &itv, 0);
 135 sigsetjmp(j, 1);],
 136 [catacomb_cv_freewheel=yes],
 137 [catacomb_cv_freewheel=no])])
 138 if test "$catacomb_cv_freewheel" = "yes"; then
 139   AC_DEFINE([USE_FREEWHEEL])
 140 fi
 141
 142 dnl --- Support for the passphrase pixie ---
 143
 144 mdw_CHECK_MANYLIBS(socket, socket)
 145 AC_CHECK_FUNCS(mlock)
 146
 147 dnl --- Done ---
 148
 149 mdw_MLIB(2.0.0)
 150 AC_OUTPUT(Makefile tests/Makefile catacomb-config:lib-config.in qcc,
 151   chmod 755 qcc)
 152
 153 dnl ----- That's all, folks -------------------------------------------------