git.distorted.org.uk Git - u/mdw/catacomb/blame_incremental

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Commit	Line	Data
	1	dnl --m4--
	2	dnl
	3	dnl $Id$
	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 --- Boring boilerplate ---
	30
	31	mdw_AUTO_VERSION
	32	AC_INIT(catacomb, AUTO_VERSION, mdw@distorted.org.uk)
	33	mdw_SILENT_RULES
	34	AC_CONFIG_SRCDIR(blkc.h)
	35	AC_CONFIG_AUX_DIR(.)
	36	AM_CONFIG_HEADER(config.h)
	37	AM_INIT_AUTOMAKE(foreign)
	38
	39	dnl --- Make sure I can compile and build libraries ---
	40
	41	AC_PROG_CC
	42	AM_PROG_LIBTOOL
	43	AX_CFLAGS_WARN_ALL
	44	mdw_LIBTOOL_VERSION_INFO
	45
	46	AC_PROG_YACC
	47
	48	dnl --- Actually, I assume these exist anyway ---
	49
	50	AC_CHECK_HEADERS(unistd.h)
	51	AC_HEADER_STDC
	52
	53	dnl --- Check for various important system types ---
	54
	55	AC_CHECK_TYPE(pid_t, int)
	56	AC_CHECK_TYPE(size_t, unsigned)
	57	AC_TYPE_UID_T
	58	AC_CHECK_TYPE(time_t, long)
	59	AC_CHECK_TYPE(ssize_t, int)
	60
	61	dnl --- The maths library, for Maurer's test ---
	62
	63	OLIBS=$LIBS
	64	AC_SEARCH_LIBS(log, m)
	65	AC_SEARCH_LIBS(sqrt, m)
	66	AC_SUBST([CATACOMB_LIBS], [$LIBS]) LIBS=$OLIBS
	67
	68	dnl --- Functions used for noise-gathering ---
	69
	70	AC_CHECK_FUNCS(setgroups)
	71
	72	AC_CACHE_CHECK([whether the freewheel noise generator will work],
	73	[catacomb_cv_freewheel],
	74	[AC_TRY_LINK([
	75	#include <setjmp.h>
	76	#include <sys/time.h>
	77	],
	78	[struct itimerval itv = { { 0, 0 }, { 0, 5000 } };
	79	jmp_buf j;
	80	setitimer(ITIMER_REAL, &itv, 0);
	81	sigsetjmp(j, 1);],
	82	[catacomb_cv_freewheel=yes],
	83	[catacomb_cv_freewheel=no])])
	84	if test "$catacomb_cv_freewheel" = "yes"; then
	85	AC_DEFINE([USE_FREEWHEEL], [1],
	86	[Define if you want to use the freewheel noise generator.])
	87	fi
	88
	89	dnl --- Support for the passphrase pixie ---
	90
	91	OLIBS=$LIBS
	92	AC_SEARCH_LIBS(socket, socket)
	93	AC_SUBST([PIXIE_LIBS], [$LIBS]) LIBS=$OLIBS
	94	AC_CHECK_FUNCS(mlock)
	95
	96	dnl --- Debugging things ---
	97
	98	AC_ARG_ENABLE([mpw],
	99	[AS_HELP_STRING([--enable-mpw],
	100	[force small-width mp digits])],
	101	[case "$enableval" in
	102	y\|t\|short)
	103	AC_DEFINE([FORCE_MPW_SHORT], [1],
	104	[Define to force small-width mp digits.])
	105	;;
	106	cussid)
	107	AC_DEFINE([FORCE_MPW_CUSSID], [1],
	108	[Define to force strange-width mp digits.])
	109	;;
	110	esac])
	111
	112	dnl --- Done ---
	113
	114	PKG_CHECK_MODULES(mLib, mLib >= 2.0.4)
	115	CFLAGS="$CFLAGS $mLib_CFLAGS"
	116	LIBS="$LIBS $mLib_LIBS"
	117	AC_OUTPUT(Makefile)
	118
	119	dnl ----- That's all, folks -------------------------------------------------