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

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Revision 1.1 - (show annotations)
Thu Sep 26 14:02:11 2002 UTC (18 years, 4 months 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 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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