5 dnl Autoconfiguration for Catacomb
7 dnl (c) 1999 Straylight/Edgeware
10 dnl ----- Licensing notice --------------------------------------------------
12 dnl This file is part of Catacomb.
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.
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.
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.
29 dnl --- Boring boilerplate ---
32 mdw_INIT_LIB(catacomb, Catacomb, 2.1.0)
33 AM_CONFIG_HEADER(config.h)
35 dnl --- Make sure I can compile and build libraries ---
43 dnl --- Actually, I assume these exist anyway ---
45 AC_CHECK_HEADERS(unistd.h)
48 dnl --- Check for various important system types ---
53 AC_CHECK_TYPE(time_t, long)
56 dnl --- The maths library, for Maurer's test ---
58 mdw_CHECK_MANYLIBS(log, m,,, [#include <math.h>], [2])
59 mdw_CHECK_MANYLIBS(sqrt, m,,, [#include <math.h>], [2])
61 dnl --- Functions used for noise-gathering ---
63 AC_CHECK_FUNCS(setgroups)
65 AC_CACHE_CHECK([whether the freewheel noise generator will work],
66 [catacomb_cv_freewheel],
71 [struct itimerval itv = { { 0, 0 }, { 0, 5000 } };
73 setitimer(ITIMER_REAL, &itv, 0);
75 [catacomb_cv_freewheel=yes],
76 [catacomb_cv_freewheel=no])])
77 if test "$catacomb_cv_freewheel" = "yes"; then
78 AC_DEFINE([USE_FREEWHEEL], [1],
79 [Define if you want to use the freewheel noise generator.])
82 dnl --- Support for the passphrase pixie ---
84 mdw_CHECK_MANYLIBS(socket, socket)
90 AC_OUTPUT(Makefile tests/Makefile catacomb-config:lib-config.in qcc,
93 dnl ----- That's all, folks -------------------------------------------------