1 |
nmav |
1.1 |
dnl Autoconf macros for libmcrypt |
2 |
|
|
dnl $id$ |
3 |
|
|
|
4 |
nmav |
1.2 |
# This script detects libmcrypt version and defines |
5 |
|
|
# LIBMCRYPT_CFLAGS, LIBMCRYPT_LIBS |
6 |
|
|
# and LIBMCRYPT24 or LIBMCRYPT22 depending on libmcrypt version |
7 |
|
|
# found. |
8 |
|
|
|
9 |
nmav |
1.1 |
# Modified for LIBMCRYPT -- nmav |
10 |
|
|
# Configure paths for LIBGCRYPT |
11 |
|
|
# Shamelessly stolen from the one of XDELTA by Owen Taylor |
12 |
|
|
# Werner Koch 99-12-09 |
13 |
|
|
|
14 |
|
|
dnl AM_PATH_LIBMCRYPT([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND ]]]) |
15 |
|
|
dnl Test for libmcrypt, and define LIBMCRYPT_CFLAGS and LIBMCRYPT_LIBS |
16 |
|
|
dnl |
17 |
|
|
AC_DEFUN(AM_PATH_LIBMCRYPT, |
18 |
|
|
[dnl |
19 |
|
|
dnl Get the cflags and libraries from the libmcrypt-config script |
20 |
|
|
dnl |
21 |
|
|
AC_ARG_WITH(libmcrypt-prefix, |
22 |
|
|
[ --with-libmcrypt-prefix=PFX Prefix where libmcrypt is installed (optional)], |
23 |
|
|
libmcrypt_config_prefix="$withval", libmcrypt_config_prefix="") |
24 |
|
|
|
25 |
|
|
if test x$libmcrypt_config_prefix != x ; then |
26 |
|
|
libmcrypt_config_args="$libmcrypt_config_args --prefix=$libmcrypt_config_prefix" |
27 |
|
|
if test x${LIBMCRYPT_CONFIG+set} != xset ; then |
28 |
|
|
LIBMCRYPT_CONFIG=$libmcrypt_config_prefix/bin/libmcrypt-config |
29 |
|
|
fi |
30 |
|
|
fi |
31 |
|
|
|
32 |
|
|
AC_PATH_PROG(LIBMCRYPT_CONFIG, libmcrypt-config, no) |
33 |
nmav |
1.2 |
min_libmcrypt_version=ifelse([$1], ,2.4.0,$1) |
34 |
nmav |
1.1 |
AC_MSG_CHECKING(for libmcrypt - version >= $min_libmcrypt_version) |
35 |
|
|
no_libmcrypt="" |
36 |
|
|
if test "$LIBMCRYPT_CONFIG" = "no" ; then |
37 |
nmav |
1.2 |
dnl libmcrypt-config was not found (pre 2.4.11 versions) |
38 |
|
|
dnl Try to detect libmcrypt version |
39 |
|
|
AC_TRY_RUN([ |
40 |
|
|
#include <stdio.h> |
41 |
|
|
#include <stdlib.h> |
42 |
|
|
#include <string.h> |
43 |
|
|
#include <mcrypt.h> |
44 |
|
|
|
45 |
|
|
int |
46 |
|
|
main () |
47 |
|
|
{ |
48 |
|
|
#if MCRYPT_API_VERSION <= 19991015 |
49 |
|
|
/* version 2.2 */ |
50 |
|
|
return 0; |
51 |
|
|
#else |
52 |
|
|
/* version 2.4 */ |
53 |
|
|
return 1; |
54 |
|
|
#endif /* 19991015 */ |
55 |
|
|
} |
56 |
|
|
], libmcrypt_config_version="2.2.0" |
57 |
|
|
if test x$libmcrypt_config_prefix != x ; then |
58 |
|
|
TTLIBS="-L${libmcrypt_config_prefix}/libs" |
59 |
|
|
TTINCLUDE="-I${libmcrypt_config_prefix}/include" |
60 |
|
|
fi |
61 |
|
|
LIBMCRYPT_CFLAGS="${TTINCLUDE}" |
62 |
|
|
LIBMCRYPT_LIBS="${TTLIBS} -lmcrypt" |
63 |
|
|
AC_DEFINE(LIBMCRYPT22) |
64 |
|
|
|
65 |
|
|
, libmcrypt_config_version="2.4.0" |
66 |
|
|
if test x$libmcrypt_config_prefix != x ; then |
67 |
|
|
TTLIBS="-L${libmcrypt_config_prefix}/libs" |
68 |
|
|
TTINCLUDE="-I${libmcrypt_config_prefix}/include" |
69 |
|
|
fi |
70 |
|
|
LIBMCRYPT_CFLAGS="${TTINCLUDE}" |
71 |
nmav |
1.4 |
LIBMCRYPT_LIBS="${TTLIBS} -lmcrypt -lltdl ${LIBADD_DL}" |
72 |
nmav |
1.2 |
AC_DEFINE(LIBMCRYPT24)) |
73 |
nmav |
1.1 |
else |
74 |
nmav |
1.2 |
dnl libmcrypt-config was found |
75 |
nmav |
1.1 |
LIBMCRYPT_CFLAGS=`$LIBMCRYPT_CONFIG $libmcrypt_config_args --cflags` |
76 |
|
|
LIBMCRYPT_LIBS=`$LIBMCRYPT_CONFIG $libmcrypt_config_args --libs` |
77 |
|
|
libmcrypt_config_version=`$LIBMCRYPT_CONFIG $libmcrypt_config_args --version` |
78 |
nmav |
1.2 |
AC_DEFINE(LIBMCRYPT24) |
79 |
|
|
fi |
80 |
nmav |
1.1 |
|
81 |
nmav |
1.2 |
ac_save_CFLAGS="$CFLAGS" |
82 |
|
|
ac_save_LIBS="$LIBS" |
83 |
|
|
CFLAGS="$CFLAGS $LIBMCRYPT_CFLAGS" |
84 |
|
|
LIBS="$LIBS $LIBMCRYPT_LIBS" |
85 |
nmav |
1.1 |
|
86 |
|
|
dnl |
87 |
|
|
dnl Now check if the installed libmcrypt is sufficiently new. Also sanity |
88 |
|
|
dnl checks the results of libmcrypt-config to some extent |
89 |
|
|
dnl |
90 |
|
|
rm -f conf.libmcrypttest |
91 |
|
|
AC_TRY_RUN([ |
92 |
|
|
#include <stdio.h> |
93 |
|
|
#include <stdlib.h> |
94 |
|
|
#include <string.h> |
95 |
|
|
#include <mcrypt.h> |
96 |
|
|
|
97 |
nmav |
1.2 |
#define TWO "2.2" |
98 |
|
|
|
99 |
nmav |
1.1 |
int |
100 |
|
|
main () |
101 |
|
|
{ |
102 |
|
|
#if MCRYPT_API_VERSION <= 20010201 |
103 |
nmav |
1.2 |
|
104 |
|
|
#if MCRYPT_API_VERSION <= 19991015 |
105 |
|
|
/* version 2.2 */ |
106 |
|
|
int x = mcrypt_get_key_size(MCRYPT_TWOFISH_128); |
107 |
|
|
system ("touch conf.libmcrypttest"); |
108 |
|
|
|
109 |
|
|
if( strncmp( TWO, "$min_libmcrypt_version", strlen(TWO))) { |
110 |
|
|
printf("\n*** Requested libmcrypt %s, but LIBMCRYPT (%s)\n", |
111 |
|
|
"$min_libmcrypt_version", TWO ); |
112 |
|
|
printf("*** was found!\n"); |
113 |
nmav |
1.1 |
return 1; |
114 |
nmav |
1.2 |
} |
115 |
|
|
return 0; |
116 |
|
|
#else |
117 |
|
|
/* version 2.4 before 11 */ |
118 |
|
|
MCRYPT td = mcrypt_module_open("twofish", NULL, "cbc", NULL); |
119 |
|
|
system ("touch conf.libmcrypttest"); |
120 |
|
|
mcrypt_module_close(td); |
121 |
|
|
|
122 |
|
|
return 0; |
123 |
|
|
#endif /* 19991015 */ |
124 |
|
|
|
125 |
|
|
#else |
126 |
|
|
|
127 |
nmav |
1.1 |
system ("touch conf.libmcrypttest"); |
128 |
|
|
|
129 |
|
|
if( strcmp( mcrypt_check_version(NULL), "$libmcrypt_config_version" ) ) |
130 |
|
|
{ |
131 |
|
|
printf("\n*** 'libmcrypt-config --version' returned %s, but LIBMCRYPT (%s)\n", |
132 |
|
|
"$libmcrypt_config_version", mcrypt_check_version(NULL) ); |
133 |
|
|
printf("*** was found! If libmcrypt-config was correct, then it is best\n"); |
134 |
|
|
printf("*** to remove the old version of LIBMCRYPT. You may also be able to fix the error\n"); |
135 |
|
|
printf("*** by modifying your LD_LIBRARY_PATH enviroment variable, or by editing\n"); |
136 |
|
|
printf("*** /etc/ld.so.conf. Make sure you have run ldconfig if that is\n"); |
137 |
|
|
printf("*** required on your system.\n"); |
138 |
|
|
printf("*** If libmcrypt-config was wrong, set the environment variable LIBMCRYPT_CONFIG\n"); |
139 |
|
|
printf("*** to point to the correct copy of libmcrypt-config, and remove the file config.cache\n"); |
140 |
|
|
printf("*** before re-running configure\n"); |
141 |
|
|
} |
142 |
|
|
else if ( strcmp(mcrypt_check_version(NULL), LIBMCRYPT_VERSION ) ) |
143 |
|
|
{ |
144 |
|
|
printf("\n*** LIBMCRYPT header file (version %s) does not match\n", LIBMCRYPT_VERSION); |
145 |
|
|
printf("*** library (version %s)\n", mcrypt_check_version(NULL) ); |
146 |
|
|
} |
147 |
|
|
else |
148 |
|
|
{ |
149 |
|
|
if ( mcrypt_check_version( "$min_libmcrypt_version" ) ) |
150 |
|
|
{ |
151 |
|
|
return 0; |
152 |
|
|
} |
153 |
|
|
else |
154 |
|
|
{ |
155 |
|
|
printf("no\n*** An old version of LIBMCRYPT (%s) was found.\n", |
156 |
|
|
mcrypt_check_version(NULL) ); |
157 |
|
|
printf("*** You need a version of LIBMCRYPT newer than %s. The latest version of\n", |
158 |
|
|
"$min_libmcrypt_version" ); |
159 |
|
|
printf("*** LIBMCRYPT is always available from ftp://mcrypt.hellug.gr/pub/mcrypt.\n"); |
160 |
|
|
printf("*** \n"); |
161 |
|
|
printf("*** If you have already installed a sufficiently new version, this error\n"); |
162 |
|
|
printf("*** probably means that the wrong copy of the libmcrypt-config shell script is\n"); |
163 |
|
|
printf("*** being found. The easiest way to fix this is to remove the old version\n"); |
164 |
|
|
printf("*** of LIBMCRYPT, but you can also set the LIBMCRYPT_CONFIG environment to point to the\n"); |
165 |
|
|
printf("*** correct copy of libmcrypt-config. (In this case, you will have to\n"); |
166 |
|
|
printf("*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n"); |
167 |
|
|
printf("*** so that the correct libraries are found at run-time))\n"); |
168 |
|
|
} |
169 |
|
|
} |
170 |
|
|
return 1; |
171 |
nmav |
1.2 |
|
172 |
|
|
#endif /* 20010201 */ |
173 |
|
|
|
174 |
nmav |
1.1 |
} |
175 |
|
|
],, no_libmcrypt=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"]) |
176 |
|
|
CFLAGS="$ac_save_CFLAGS" |
177 |
|
|
LIBS="$ac_save_LIBS" |
178 |
nmav |
1.2 |
|
179 |
nmav |
1.1 |
|
180 |
|
|
if test "x$no_libmcrypt" = x ; then |
181 |
|
|
AC_MSG_RESULT(yes) |
182 |
|
|
ifelse([$2], , :, [$2]) |
183 |
|
|
else |
184 |
|
|
if test -f conf.libmcrypttest ; then |
185 |
|
|
: |
186 |
|
|
else |
187 |
|
|
AC_MSG_RESULT(no) |
188 |
|
|
fi |
189 |
nmav |
1.2 |
|
190 |
nmav |
1.3 |
if test -f conf.libmcrypttest ; then |
191 |
nmav |
1.1 |
: |
192 |
nmav |
1.3 |
else |
193 |
nmav |
1.1 |
echo "*** Could not run libmcrypt test program, checking why..." |
194 |
|
|
CFLAGS="$CFLAGS $LIBMCRYPT_CFLAGS" |
195 |
|
|
LIBS="$LIBS $LIBMCRYPT_LIBS" |
196 |
|
|
AC_TRY_LINK([ |
197 |
|
|
#include <stdio.h> |
198 |
|
|
#include <stdlib.h> |
199 |
|
|
#include <string.h> |
200 |
|
|
#include <mcrypt.h> |
201 |
nmav |
1.2 |
], [ |
202 |
|
|
#if MCRYPT_API_VERSION <= 20010201 |
203 |
|
|
|
204 |
|
|
#if MCRYPT_API_VERSION <= 19991015 |
205 |
|
|
/* version 2.2 */ |
206 |
|
|
int x = mcrypt_get_key_size(MCRYPT_TWOFISH_128); |
207 |
|
|
return 0; |
208 |
|
|
#else |
209 |
|
|
/* version 2.4 before 11 */ |
210 |
|
|
MCRYPT td = mcrypt_module_open("twofish", NULL, "cbc", NULL); |
211 |
|
|
mcrypt_module_close(td); |
212 |
|
|
return 0; |
213 |
|
|
#endif /* 19991015 */ |
214 |
|
|
#else |
215 |
|
|
|
216 |
|
|
return !!mcrypt_check_version(NULL); |
217 |
|
|
|
218 |
|
|
#endif /* 20010201 */ |
219 |
|
|
|
220 |
|
|
], |
221 |
nmav |
1.1 |
[ echo "*** The test program compiled, but did not run. This usually means" |
222 |
|
|
echo "*** that the run-time linker is not finding LIBMCRYPT or finding the wrong" |
223 |
|
|
echo "*** version of LIBMCRYPT. If it is not finding LIBMCRYPT, you'll need to set your" |
224 |
|
|
echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point" |
225 |
|
|
echo "*** to the installed location Also, make sure you have run ldconfig if that" |
226 |
|
|
echo "*** is required on your system" |
227 |
|
|
echo "***" |
228 |
|
|
echo "*** If you have an old version installed, it is best to remove it, although" |
229 |
|
|
echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH" |
230 |
|
|
echo "***" ], |
231 |
|
|
[ echo "*** The test program failed to compile or link. See the file config.log for the" |
232 |
|
|
echo "*** exact error that occured. This usually means LIBMCRYPT was incorrectly installed" |
233 |
|
|
echo "*** or that you have moved LIBMCRYPT since it was installed. In the latter case, you" |
234 |
|
|
echo "*** may want to edit the libmcrypt-config script: $LIBMCRYPT_CONFIG" ]) |
235 |
|
|
CFLAGS="$ac_save_CFLAGS" |
236 |
|
|
LIBS="$ac_save_LIBS" |
237 |
nmav |
1.3 |
fi |
238 |
nmav |
1.2 |
|
239 |
nmav |
1.1 |
LIBMCRYPT_CFLAGS="" |
240 |
|
|
LIBMCRYPT_LIBS="" |
241 |
|
|
ifelse([$3], , :, [$3]) |
242 |
|
|
fi |
243 |
|
|
AC_SUBST(LIBMCRYPT_CFLAGS) |
244 |
|
|
AC_SUBST(LIBMCRYPT_LIBS) |
245 |
|
|
]) |
246 |
|
|
|
247 |
|
|
dnl *-*wedit:notab*-* Please keep this as the last line. |