/[hydra]/hydra/libgnutls.m4
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Contents of /hydra/libgnutls.m4

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Revision 1.2 - (show annotations)
Fri Dec 10 20:09:22 2004 UTC (15 years, 9 months ago) by nmav
Branch: MAIN
CVS Tags: hydra_0_1_6_without_hic, hydra_0_1_7, hydra_0_1_8, HEAD
Changes since 1.1: +1 -2 lines
Added the SSL_CLIENT_SERVER_NAME CGI variable.

1 dnl Autoconf macros for libgnutls
2 dnl $id$
3
4 # Modified for LIBGNUTLS -- nmav
5 # Configure paths for LIBGCRYPT
6 # Shamelessly stolen from the one of XDELTA by Owen Taylor
7 # Werner Koch 99-12-09
8
9 dnl AM_PATH_LIBGNUTLS([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND ]]])
10 dnl Test for libgnutls, and define LIBGNUTLS_CFLAGS and LIBGNUTLS_LIBS
11 dnl
12 AC_DEFUN([AM_PATH_LIBGNUTLS],
13 [dnl
14 dnl Get the cflags and libraries from the libgnutls-config script
15 dnl
16 AC_ARG_WITH(libgnutls-prefix,
17 [ --with-libgnutls-prefix=PFX Prefix where libgnutls is installed (optional)],
18 libgnutls_config_prefix="$withval", libgnutls_config_prefix="")
19
20 if test x$libgnutls_config_prefix != x ; then
21 if test x${LIBGNUTLS_CONFIG+set} != xset ; then
22 LIBGNUTLS_CONFIG=$libgnutls_config_prefix/bin/libgnutls-config
23 fi
24 fi
25
26 AC_PATH_PROG(LIBGNUTLS_CONFIG, libgnutls-config, no)
27 min_libgnutls_version=ifelse([$1], ,0.1.0,$1)
28 AC_MSG_CHECKING(for libgnutls - version >= $min_libgnutls_version)
29 no_libgnutls=""
30 if test "$LIBGNUTLS_CONFIG" = "no" ; then
31 no_libgnutls=yes
32 else
33 LIBGNUTLS_CFLAGS=`$LIBGNUTLS_CONFIG $libgnutls_config_args --cflags`
34 LIBGNUTLS_LIBS=`$LIBGNUTLS_CONFIG $libgnutls_config_args --libs`
35 libgnutls_config_version=`$LIBGNUTLS_CONFIG $libgnutls_config_args --version`
36
37
38 ac_save_CFLAGS="$CFLAGS"
39 ac_save_LIBS="$LIBS"
40 CFLAGS="$CFLAGS $LIBGNUTLS_CFLAGS"
41 LIBS="$LIBS $LIBGNUTLS_LIBS"
42 dnl
43 dnl Now check if the installed libgnutls is sufficiently new. Also sanity
44 dnl checks the results of libgnutls-config to some extent
45 dnl
46 rm -f conf.libgnutlstest
47 AC_TRY_RUN([
48 #include <stdio.h>
49 #include <stdlib.h>
50 #include <string.h>
51 #include <gnutls/gnutls.h>
52
53 int
54 main ()
55 {
56 system ("touch conf.libgnutlstest");
57
58 if( strcmp( gnutls_check_version(NULL), "$libgnutls_config_version" ) )
59 {
60 printf("\n*** 'libgnutls-config --version' returned %s, but LIBGNUTLS (%s)\n",
61 "$libgnutls_config_version", gnutls_check_version(NULL) );
62 printf("*** was found! If libgnutls-config was correct, then it is best\n");
63 printf("*** to remove the old version of LIBGNUTLS. You may also be able to fix the error\n");
64 printf("*** by modifying your LD_LIBRARY_PATH enviroment variable, or by editing\n");
65 printf("*** /etc/ld.so.conf. Make sure you have run ldconfig if that is\n");
66 printf("*** required on your system.\n");
67 printf("*** If libgnutls-config was wrong, set the environment variable LIBGNUTLS_CONFIG\n");
68 printf("*** to point to the correct copy of libgnutls-config, and remove the file config.cache\n");
69 printf("*** before re-running configure\n");
70 }
71 else if ( strcmp(gnutls_check_version(NULL), LIBGNUTLS_VERSION ) )
72 {
73 printf("\n*** LIBGNUTLS header file (version %s) does not match\n", LIBGNUTLS_VERSION);
74 printf("*** library (version %s)\n", gnutls_check_version(NULL) );
75 }
76 else
77 {
78 if ( gnutls_check_version( "$min_libgnutls_version" ) )
79 {
80 return 0;
81 }
82 else
83 {
84 printf("no\n*** An old version of LIBGNUTLS (%s) was found.\n",
85 gnutls_check_version(NULL) );
86 printf("*** You need a version of LIBGNUTLS newer than %s. The latest version of\n",
87 "$min_libgnutls_version" );
88 printf("*** LIBGNUTLS is always available from ftp://gnutls.hellug.gr/pub/gnutls.\n");
89 printf("*** \n");
90 printf("*** If you have already installed a sufficiently new version, this error\n");
91 printf("*** probably means that the wrong copy of the libgnutls-config shell script is\n");
92 printf("*** being found. The easiest way to fix this is to remove the old version\n");
93 printf("*** of LIBGNUTLS, but you can also set the LIBGNUTLS_CONFIG environment to point to the\n");
94 printf("*** correct copy of libgnutls-config. (In this case, you will have to\n");
95 printf("*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n");
96 printf("*** so that the correct libraries are found at run-time))\n");
97 }
98 }
99 return 1;
100 }
101 ],, no_libgnutls=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
102 CFLAGS="$ac_save_CFLAGS"
103 LIBS="$ac_save_LIBS"
104 fi
105
106 if test "x$no_libgnutls" = x ; then
107 AC_MSG_RESULT(yes)
108 ifelse([$2], , :, [$2])
109 else
110 if test -f conf.libgnutlstest ; then
111 :
112 else
113 AC_MSG_RESULT(no)
114 fi
115 if test "$LIBGNUTLS_CONFIG" = "no" ; then
116 echo "*** The libgnutls-config script installed by LIBGNUTLS could not be found"
117 echo "*** If LIBGNUTLS was installed in PREFIX, make sure PREFIX/bin is in"
118 echo "*** your path, or set the LIBGNUTLS_CONFIG environment variable to the"
119 echo "*** full path to libgnutls-config."
120 else
121 if test -f conf.libgnutlstest ; then
122 :
123 else
124 echo "*** Could not run libgnutls test program, checking why..."
125 CFLAGS="$CFLAGS $LIBGNUTLS_CFLAGS"
126 LIBS="$LIBS $LIBGNUTLS_LIBS"
127 AC_TRY_LINK([
128 #include <stdio.h>
129 #include <stdlib.h>
130 #include <string.h>
131 #include <gnutls/gnutls.h>
132 ], [ return !!gnutls_check_version(NULL); ],
133 [ echo "*** The test program compiled, but did not run. This usually means"
134 echo "*** that the run-time linker is not finding LIBGNUTLS or finding the wrong"
135 echo "*** version of LIBGNUTLS. If it is not finding LIBGNUTLS, you'll need to set your"
136 echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
137 echo "*** to the installed location Also, make sure you have run ldconfig if that"
138 echo "*** is required on your system"
139 echo "***"
140 echo "*** If you have an old version installed, it is best to remove it, although"
141 echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"
142 echo "***" ],
143 [ echo "*** The test program failed to compile or link. See the file config.log for the"
144 echo "*** exact error that occured. This usually means LIBGNUTLS was incorrectly installed"
145 echo "*** or that you have moved LIBGNUTLS since it was installed. In the latter case, you"
146 echo "*** may want to edit the libgnutls-config script: $LIBGNUTLS_CONFIG" ])
147 CFLAGS="$ac_save_CFLAGS"
148 LIBS="$ac_save_LIBS"
149 fi
150 fi
151 LIBGNUTLS_CFLAGS=""
152 LIBGNUTLS_LIBS=""
153 ifelse([$3], , :, [$3])
154 fi
155 rm -f conf.libgnutlstest
156 AC_SUBST(LIBGNUTLS_CFLAGS)
157 AC_SUBST(LIBGNUTLS_LIBS)
158 ])
159
160 dnl *-*wedit:notab*-* Please keep this as the last line.

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