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

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Revision 1.2 - (hide annotations)
Fri Dec 10 20:09:22 2004 UTC (17 years 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 nmav 1.1 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 nmav 1.2 AC_DEFUN([AM_PATH_LIBGNUTLS],
13 nmav 1.1 [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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