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1 | dnl -*-autoconf-*- |
2 | dnl | |
3 | dnl Configuration script for Catacomb | |
4 | dnl | |
5 | dnl (c) 2013 Straylight/Edgeware | |
6 | dnl | |
7 | ||
8 | dnl----- Licensing notice --------------------------------------------------- | |
9 | dnl | |
10 | dnl This file is part of Catacomb. | |
11 | dnl | |
12 | dnl Catacomb is free software; you can redistribute it and/or modify | |
13 | dnl it under the terms of the GNU Library General Public License as | |
14 | dnl published by the Free Software Foundation; either version 2 of the | |
15 | dnl License, or (at your option) any later version. | |
16 | dnl | |
17 | dnl Catacomb is distributed in the hope that it will be useful, | |
18 | dnl but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | dnl GNU Library General Public License for more details. | |
21 | dnl | |
22 | dnl You should have received a copy of the GNU Library General Public | |
23 | dnl License along with Catacomb; if not, write to the Free | |
24 | dnl Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, | |
25 | dnl MA 02111-1307, USA. | |
26 | ||
27 | dnl-------------------------------------------------------------------------- | |
28 | dnl Initialization. | |
29 | ||
30 | mdw_AUTO_VERSION | |
31 | AC_INIT([catacomb], AUTO_VERSION, [mdw@distorted.org.uk]) | |
32 | AC_CONFIG_SRCDIR([catacomb.pc.in]) | |
33 | AC_CONFIG_AUX_DIR([config]) | |
34 | AM_INIT_AUTOMAKE([foreign parallel-tests]) | |
35 | mdw_SILENT_RULES | |
36 | ||
37 | AC_PROG_CC | |
38 | AX_CFLAGS_WARN_ALL | |
39 | AM_PROG_LIBTOOL | |
40 | mdw_LIBTOOL_VERSION_INFO | |
41 | ||
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42 | AM_PROG_AS |
43 | ||
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44 | AC_PROG_YACC |
45 | ||
46 | AC_SUBST(AM_CFLAGS) | |
47 | ||
48 | dnl-------------------------------------------------------------------------- | |
49 | dnl C programming environment. | |
50 | ||
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51 | dnl Find out if we're cross-compiling. |
52 | AM_CONDITIONAL([CROSS_COMPILING], [test "$cross_compiling" = yes]) | |
53 | ||
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54 | dnl Various standard types. |
55 | AC_CHECK_TYPE([pid_t], [int]) | |
56 | AC_TYPE_UID_T | |
57 | AC_CHECK_TYPE([ssize_t], [int]) | |
67ea7285 | 58 | AC_CHECK_TYPE([socklen_t], [int]) |
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59 | |
60 | dnl The maths library. | |
1504e033 | 61 | mdw_ORIG_LIBS=$LIBS LIBS= |
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62 | AC_SEARCH_LIBS([log], [m]) |
63 | AC_SEARCH_LIBS([sqrt], [m]) | |
1504e033 | 64 | AC_SUBST([MATHLIBS], [$LIBS]) |
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65 | LIBS=$mdw_ORIG_LIBS |
66 | ||
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67 | dnl Find out whether very long integer types are available. |
68 | AC_CHECK_HEADERS([stdint.h]) | |
69 | AC_SUBST([have_stdint_h]) | |
70 | AC_C_LONG_LONG | |
71 | ||
72 | dnl Find the bit lengths of the obvious integer types. This will be useful | |
73 | dnl when deciding on a representation for multiprecision integers. | |
74 | type_bits="" type_bits_sep="" | |
75 | AC_DEFUN([catacomb_UINT_BITS], | |
76 | [mdw_UINT_BITS([$2], [$1]) | |
77 | type_bits="$type_bits$type_bits_sep('$1', $[]$1_bits)" | |
78 | type_bits_sep=", "]) | |
79 | catacomb_UINT_BITS([uchar], [unsigned char]) | |
80 | catacomb_UINT_BITS([ushort], [unsigned short]) | |
81 | catacomb_UINT_BITS([uint], [unsigned int]) | |
82 | catacomb_UINT_BITS([ulong], [unsigned long]) | |
83 | if test "$ac_cv_c_long_long" = "yes"; then | |
84 | catacomb_UINT_BITS([ullong], [unsigned long long]) | |
85 | fi | |
86 | if test "$ac_cv_header_stdint_h" = "yes"; then | |
87 | catacomb_UINT_BITS([uintmax], [uintmax_t]) | |
88 | fi | |
89 | AC_SUBST([type_bits]) | |
90 | ||
91 | dnl Determine the limits of common C integer types. | |
92 | limits="" limits_sep="" | |
93 | AC_DEFUN([catacomb_COMPILE_TIME_CONSTANT], | |
94 | [case "$2" in | |
95 | =*) | |
96 | $1="$2"; $1=${$1#=} | |
97 | ;; | |
98 | *) | |
99 | AC_CACHE_CHECK([compile-time value of $2], [mdw_cv_constant_$3], | |
100 | [mdw_PROBE_CONSTANT([mdw_cv_constant_$3], [$2], [$4])]) | |
101 | $1=$mdw_cv_constant_$3 | |
102 | ;; | |
103 | esac]) | |
104 | AC_DEFUN([catacomb_LIMIT], | |
105 | [catacomb_COMPILE_TIME_CONSTANT([lo], [$2], [$1_min], | |
106 | [#include <limits.h> | |
107 | #include <stddef.h>]) | |
108 | catacomb_COMPILE_TIME_CONSTANT([hi], [$3], [$1_max], | |
109 | [#include <limits.h> | |
110 | #include <stddef.h>]) | |
111 | limits="$limits$limits_sep('$1', $lo, $hi)" limits_sep=", "]) | |
112 | catacomb_LIMIT([SCHAR], [SCHAR_MIN], [SCHAR_MAX]) | |
113 | catacomb_LIMIT([CHAR], [CHAR_MIN], [CHAR_MAX]) | |
114 | catacomb_LIMIT([UCHAR], [=0], [UCHAR_MAX]) | |
115 | catacomb_LIMIT([UINT8], [=0], [=0xff]) | |
116 | catacomb_LIMIT([SHRT], [SHRT_MIN], [SHRT_MAX]) | |
117 | catacomb_LIMIT([USHRT], [=0], [USHRT_MAX]) | |
118 | catacomb_LIMIT([UINT16], [=0], [=0xffff]) | |
119 | catacomb_LIMIT([INT], [INT_MIN], [INT_MAX]) | |
120 | catacomb_LIMIT([UINT], [=0], [UINT_MAX]) | |
121 | catacomb_LIMIT([LONG], [LONG_MIN], [LONG_MAX]) | |
122 | catacomb_LIMIT([ULONG], [=0], [ULONG_MAX]) | |
123 | catacomb_LIMIT([UINT32], [=0], [=0xffffffff]) | |
124 | if test "$ac_cv_c_long_long" = "yes"; then | |
125 | catacomb_LIMIT([LLONG], [LLONG_MIN], [LLONG_MAX]) | |
126 | catacomb_LIMIT([ULLONG], [=0], [ULLONG_MAX]) | |
127 | fi | |
128 | catacomb_LIMIT([SIZET], [=0], [~(size_t)0]) | |
129 | AC_SUBST([limits]) | |
130 | ||
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131 | dnl Functions used for noise-gathering. |
132 | AC_CHECK_FUNCS([setgroups]) | |
133 | AC_CACHE_CHECK([whether the freewheel noise generator will work], | |
134 | [catacomb_cv_freewheel], | |
135 | [AC_TRY_LINK( | |
136 | [#include <setjmp.h> | |
137 | #include <sys/time.h>], | |
138 | [struct itimerval itv = { { 0, 0 }, { 0, 5000 } }; | |
139 | jmp_buf j; | |
140 | setitimer(ITIMER_REAL, &itv, 0); | |
f6ca8103 | 141 | sigsetjmp(j, 1);], |
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142 | [catacomb_cv_freewheel=yes], |
143 | [catacomb_cv_freewheel=no])]) | |
144 | case $catacomb_cv_freewheel in | |
145 | yes) | |
146 | AC_DEFINE([USE_FREEWHEEL], [1], | |
147 | [Define if you want to use the freewheel noise generator.]) | |
148 | ;; | |
149 | esac | |
150 | ||
151 | dnl Support for the passphrase pixie. | |
152 | mdw_ORIG_LIBS=$LIBS | |
153 | AC_SEARCH_LIBS([socket], [socket]) | |
154 | AC_SUBST([PIXIE_LIBS], [$LIBS]) | |
155 | LIBS=$mdw_ORIG_LIBS | |
156 | ||
157 | dnl Memory locking support. | |
158 | AC_CHECK_FUNCS([mlock]) | |
159 | ||
160 | dnl Necessary support libraries. | |
23bbea75 | 161 | PKG_CHECK_MODULES([mLib], [mLib >= 2.2.1]) |
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162 | AM_CFLAGS="$AM_CFLAGS $mLib_CFLAGS" |
163 | ||
164 | dnl-------------------------------------------------------------------------- | |
165 | dnl Python. | |
166 | ||
167 | dnl Make sure we have a suitable version. | |
168 | AM_PATH_PYTHON([2.5]) | |
169 | ||
170 | dnl-------------------------------------------------------------------------- | |
171 | dnl Special debugging options. | |
172 | ||
173 | AC_ARG_ENABLE([mpw], | |
174 | [AS_HELP_STRING([--enable-mpw], [force small-width mp digits])], | |
175 | [case "$enableval" in | |
176 | y*|t*|short) | |
177 | AC_DEFINE([FORCE_MPW_SHORT], [1], | |
178 | [Define to force small-width mp digits.]) | |
179 | ;; | |
180 | cussid) | |
181 | AC_DEFINE([FORCE_MPW_CUSSID], [1], | |
182 | [Define to force strange-width mp digits.]) | |
183 | ;; | |
184 | esac]) | |
185 | ||
186 | dnl-------------------------------------------------------------------------- | |
187 | dnl Produce output. | |
188 | ||
189 | AC_CONFIG_HEADER([config/config.h]) | |
190 | ||
191 | AC_CONFIG_FILES( | |
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192 | [Makefile] |
193 | [base/Makefile] | |
194 | [key/Makefile] | |
195 | [math/Makefile] | |
196 | [misc/Makefile] | |
197 | [pub/Makefile] | |
198 | [rand/Makefile] | |
199 | [symm/Makefile] | |
200 | [progs/Makefile]) | |
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201 | AC_OUTPUT |
202 | ||
203 | dnl----- That's all, folks -------------------------------------------------- |