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

   1 dnl -*-m4-*-
   2 dnl
   3 dnl $Id: configure.in,v 1.26 2003/11/29 23:39:36 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 1.26  2003/11/29 23:39:36  mdw
  33 dnl Debianization.
  34 dnl
  35 dnl Revision 1.25  2003/10/11 21:02:33  mdw
  36 dnl Import buf stuff from tripe.
  37 dnl
  38 dnl Revision 1.24  2003/05/16 00:30:28  mdw
  39 dnl Version bump.
  40 dnl
  41 dnl Revision 1.23  2001/03/04 13:09:40  mdw
  42 dnl Mark dependency on mLib 2.0.0pre4 now.
  43 dnl
  44 dnl Revision 1.21  2000/10/08 12:01:28  mdw
  45 dnl Reinstate the `-pedantic' option.
  46 dnl
  47 dnl Revision 1.20  2000/08/15 21:45:25  mdw
  48 dnl New library configuration stuff from `common'.
  49 dnl
  50 dnl Revision 1.13  2000/06/17 13:51:03  mdw
  51 dnl Whoops.  Too eager with the mLib version.
  52 dnl
  53 dnl Revision 1.12  2000/06/17 12:57:47  mdw
  54 dnl New free counter noise generator, for use if /dev/random is
  55 dnl unavailable.
  56 dnl
  57 dnl Revision 1.11  2000/06/17 10:51:23  mdw
  58 dnl Version number changes.  Find maths library for Maurer's test.
  59 dnl
  60 dnl Revision 1.10  1999/12/22 16:03:31  mdw
  61 dnl New mLib version.  Find socket functions for pixie.
  62 dnl
  63 dnl Revision 1.7  1999/11/13 01:55:48  mdw
  64 dnl Don't be pedantic, because using `long long' as a multiprecision type
  65 dnl gets complained about.
  66 dnl
  67 dnl Revision 1.6  1999/11/11 18:56:14  mdw
  68 dnl Use `libtool' to generate a shared library.
  69 dnl
  70 dnl Revision 1.5  1999/11/11 17:47:34  mdw
  71 dnl Updates for new configuration system, and `mptypes' generator.
  72 dnl
  73 dnl Revision 1.4  1999/11/11 00:58:19  mdw
  74 dnl Use canned check for `ssize_t'.
  75 dnl
  76 dnl Revision 1.3  1999/10/24 10:20:36  mdw
  77 dnl Modify for standalone distribution.  The library's getting far too large
  78 dnl to be sensibly embedded in other programs.
  79 dnl
  80 dnl Revision 1.1  1999/09/03 08:41:11  mdw
  81 dnl Initial import.
  82 dnl
  83
  84 dnl --- Boring boilerplate ---
  85
  86 AC_INIT(blkc.h)
  87 mdw_INIT_LIB(catacomb, Catacomb, 2.0.1)
  88 AM_CONFIG_HEADER(config.h)
  89
  90 dnl --- Make sure I can compile and build libraries ---
  91
  92 AC_PROG_CC
  93 AM_PROG_LIBTOOL
  94 mdw_GCC_FLAGS
  95
  96 AC_PROG_YACC
  97
  98 dnl --- Actually, I assume these exist anyway ---
  99
 100 AC_CHECK_HEADERS(unistd.h)
 101 AC_HEADER_STDC
 102
 103 dnl --- Check for various important system types ---
 104
 105 AC_TYPE_PID_T
 106 AC_TYPE_SIZE_T
 107 AC_TYPE_UID_T
 108 AC_CHECK_TYPE(time_t, long)
 109 mdw_TYPE_SSIZE_T
 110
 111 dnl --- The maths library, for Maurer's test ---
 112
 113 mdw_CHECK_MANYLIBS(log, m,,, [#include <math.h>], [2])
 114 mdw_CHECK_MANYLIBS(sqrt, m,,, [#include <math.h>], [2])
 115
 116 dnl --- Functions used for noise-gathering ---
 117
 118 AC_CHECK_FUNCS(setgroups)
 119
 120 AC_CACHE_CHECK([whether the freewheel noise generator will work],
 121 [catacomb_cv_freewheel],
 122 [AC_TRY_LINK([
 123 #include <setjmp.h>
 124 #include <sys/time.h>
 125 ],
 126 [struct itimerval itv = { { 0, 0 }, { 0, 5000 } };
 127 jmp_buf j;
 128 setitimer(ITIMER_REAL, &itv, 0);
 129 sigsetjmp(j, 1);],
 130 [catacomb_cv_freewheel=yes],
 131 [catacomb_cv_freewheel=no])])
 132 if test "$catacomb_cv_freewheel" = "yes"; then
 133   AC_DEFINE([USE_FREEWHEEL])
 134 fi
 135
 136 dnl --- Support for the passphrase pixie ---
 137
 138 mdw_CHECK_MANYLIBS(socket, socket)
 139 AC_CHECK_FUNCS(mlock)
 140
 141 dnl --- Done ---
 142
 143 mdw_MLIB(2.0.0)
 144 AC_OUTPUT(Makefile tests/Makefile catacomb-config:lib-config.in qcc,
 145   chmod 755 qcc)
 146
 147 dnl ----- That's all, folks -------------------------------------------------