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

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Revision 1.1 - (hide annotations)
Thu Sep 26 14:02:11 2002 UTC (19 years ago) by nmav
Branch: MAIN
CVS Tags: hydra_0_0_8, hydra_0_0_9, hydra_0_0_2, hydra_0_0_3, hydra_0_0_6, hydra_0_0_7, hydra_0_0_4, hydra_0_0_5, hydra_0_1_3, hydra_0_1_2, hydra_0_1_1, hydra_0_1_0, hydra_0_1_6, hydra_0_1_4, hydra_0_0_10
Branch point for: hydra_0_1_0_patches
*** empty log message ***

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

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