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	AC_CONFIG_SRCDIR(blkc.h)
	34	AC_CONFIG_AUX_DIR(.)
	35	AM_CONFIG_HEADER(config.h)
	36	AM_INIT_AUTOMAKE(foreign)
	37
	38	dnl --- Make sure I can compile and build libraries ---
	39
	40	AC_PROG_CC
	41	AM_PROG_LIBTOOL
	42	AX_CFLAGS_WARN_ALL
	43
	44	AC_PROG_YACC
	45
	46	dnl --- Actually, I assume these exist anyway ---
	47
	48	AC_CHECK_HEADERS(unistd.h)
	49	AC_HEADER_STDC
	50
	51	dnl --- Check for various important system types ---
	52
	53	AC_CHECK_TYPE(pid_t, int)
	54	AC_CHECK_TYPE(size_t, unsigned)
	55	AC_TYPE_UID_T
	56	AC_CHECK_TYPE(time_t, long)
	57	AC_CHECK_TYPE(ssize_t, int)
	58
	59	dnl --- The maths library, for Maurer's test ---
	60
	61	OLIBS=$LIBS
	62	AC_SEARCH_LIBS(log, m)
	63	AC_SEARCH_LIBS(sqrt, m)
	64	AC_SUBST([CATACOMB_LIBS], [$LIBS]) LIBS=$OLIBS
	65
	66	dnl --- Functions used for noise-gathering ---
	67
	68	AC_CHECK_FUNCS(setgroups)
	69
	70	AC_CACHE_CHECK([whether the freewheel noise generator will work],
	71	[catacomb_cv_freewheel],
	72	[AC_TRY_LINK([
	73	#include <setjmp.h>
	74	#include <sys/time.h>
	75	],
	76	[struct itimerval itv = { { 0, 0 }, { 0, 5000 } };
	77	jmp_buf j;
	78	setitimer(ITIMER_REAL, &itv, 0);
	79	sigsetjmp(j, 1);],
	80	[catacomb_cv_freewheel=yes],
	81	[catacomb_cv_freewheel=no])])
	82	if test "$catacomb_cv_freewheel" = "yes"; then
	83	AC_DEFINE([USE_FREEWHEEL], [1],
	84	[Define if you want to use the freewheel noise generator.])
	85	fi
	86
	87	dnl --- Support for the passphrase pixie ---
	88
	89	OLIBS=$LIBS
	90	AC_SEARCH_LIBS(socket, socket)
	91	AC_SUBST([PIXIE_LIBS], [$LIBS]) LIBS=$OLIBS
	92	AC_CHECK_FUNCS(mlock)
	93
	94	dnl --- Debugging things ---
	95
	96	AC_ARG_ENABLE([mpw],
	97	[AS_HELP_STRING([--enable-mpw],
	98	[force small-width mp digits])],
	99	[case "$enableval" in
	100	y\|t\|short)
	101	AC_DEFINE([FORCE_MPW_SHORT], [1],
	102	[Define to force small-width mp digits.])
	103	;;
	104	cussid)
	105	AC_DEFINE([FORCE_MPW_CUSSID], [1],
	106	[Define to force strange-width mp digits.])
	107	;;
	108	esac])
	109
	110	dnl --- Done ---
	111
	112	PKG_CHECK_MODULES(mLib, mLib >= 2.0.4)
	113	CFLAGS="$CFLAGS $mLib_CFLAGS"
	114	LIBS="$LIBS $mLib_LIBS"
	115	AC_OUTPUT(Makefile tests/Makefile catacomb.pc qcc,
	116	chmod 755 qcc)
	117
	118	dnl ----- That's all, folks -------------------------------------------------