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-rw-r--r--libgnutls.m4174
1 files changed, 174 insertions, 0 deletions
diff --git a/libgnutls.m4 b/libgnutls.m4
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1dnl Autoconf macros for libgnutls-extra
2dnl $id$
3
4# Modified for LIBGNUTLS_EXTRA -- nmav
5# Configure paths for LIBGCRYPT
6# Shamelessly stolen from the one of XDELTA by Owen Taylor
7# Werner Koch 99-12-09
8
9dnl AM_PATH_LIBGNUTLS_EXTRA([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND ]]])
10dnl Test for libgnutls-extra, and define LIBGNUTLS_EXTRA_CFLAGS and LIBGNUTLS_EXTRA_LIBS
11dnl
12AC_DEFUN([AM_PATH_LIBGNUTLS_EXTRA],
13[dnl
14dnl Get the cflags and libraries from the libgnutls-extra-config script
15dnl
16AC_ARG_WITH(libgnutls-extra-prefix,
17 [ --with-libgnutls-extra-prefix=PFX Prefix where libgnutls-extra is installed (optional)],
18 libgnutls_extra_config_prefix="$withval", libgnutls_extra_config_prefix="")
19
20 if test x$libgnutls_extra_config_prefix != x ; then
21 if test x${LIBGNUTLS_EXTRA_CONFIG+set} != xset ; then
22 LIBGNUTLS_EXTRA_CONFIG=$libgnutls_extra_config_prefix/bin/libgnutls-extra-config
23 fi
24 fi
25
26 AC_PATH_PROG(LIBGNUTLS_EXTRA_CONFIG, libgnutls-extra-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_EXTRA_CONFIG" = "no" ; then
31 no_libgnutls=yes
32 else
33 LIBGNUTLS_EXTRA_CFLAGS=`$LIBGNUTLS_EXTRA_CONFIG $libgnutls_extra_config_args --cflags`
34 LIBGNUTLS_EXTRA_LIBS=`$LIBGNUTLS_EXTRA_CONFIG $libgnutls_extra_config_args --libs`
35 libgnutls_extra_config_version=`$LIBGNUTLS_EXTRA_CONFIG $libgnutls_extra_config_args --version`
36
37
38 ac_save_CFLAGS="$CFLAGS"
39 ac_save_LIBS="$LIBS"
40 CFLAGS="$CFLAGS $LIBGNUTLS_EXTRA_CFLAGS"
41 LIBS="$LIBS $LIBGNUTLS_EXTRA_LIBS"
42dnl
43dnl Now check if the installed libgnutls is sufficiently new. Also sanity
44dnl checks the results of libgnutls-extra-config to some extent
45dnl
46 rm -f conf.libgnutlstest
47 AC_TRY_RUN([
48#include <stdio.h>
49#include <stdlib.h>
50#include <string.h>
51#include <gnutls/extra.h>
52
53int
54main ()
55{
56 system ("touch conf.libgnutlstest");
57
58 if( strcmp( gnutls_extra_check_version(NULL), "$libgnutls_extra_config_version" ) )
59 {
60 printf("\n*** 'libgnutls-extra-config --version' returned %s, but LIBGNUTLS_EXTRA (%s)\n",
61 "$libgnutls_extra_config_version", gnutls_extra_check_version(NULL) );
62 printf("*** was found! If libgnutls-extra-config was correct, then it is best\n");
63 printf("*** to remove the old version of LIBGNUTLS_EXTRA. You may also be able to fix the error\n");
64 printf("*** by modifying your LD_LIBRARY_PATH enviroment variable, or by editing\n");
65 printf("*** /etc/ld.so.conf. Make sure you have run ldconfig if that is\n");
66 printf("*** required on your system.\n");
67 printf("*** If libgnutls-extra-config was wrong, set the environment variable LIBGNUTLS_EXTRA_CONFIG\n");
68 printf("*** to point to the correct copy of libgnutls-extra-config, and remove the file config.cache\n");
69 printf("*** before re-running configure\n");
70 }
71 else if ( strcmp(gnutls_extra_check_version(NULL), LIBGNUTLS_EXTRA_VERSION ) )
72 {
73 printf("\n*** LIBGNUTLS_EXTRA header file (version %s) does not match\n", LIBGNUTLS_EXTRA_VERSION);
74 printf("*** library (version %s). This is may be due to a different version of gnutls\n", gnutls_extra_check_version(NULL) );
75 printf("*** and gnutls-extra.\n");
76 }
77 else
78 {
79 if ( gnutls_extra_check_version( "$min_libgnutls_version" ) )
80 {
81 return 0;
82 }
83 else
84 {
85 printf("no\n*** An old version of LIBGNUTLS_EXTRA (%s) was found.\n",
86 gnutls_extra_check_version(NULL) );
87 printf("*** You need a version of LIBGNUTLS_EXTRA newer than %s. The latest version of\n",
88 "$min_libgnutls_version" );
89 printf("*** LIBGNUTLS_EXTRA 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-extra-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_EXTRA, but you can also set the LIBGNUTLS_EXTRA_CONFIG environment to point to the\n");
95 printf("*** correct copy of libgnutls-extra-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_EXTRA_CONFIG" = "no" ; then
117 echo "*** The libgnutls-extra-config script installed by LIBGNUTLS_EXTRA could not be found"
118 echo "*** If LIBGNUTLS_EXTRA was installed in PREFIX, make sure PREFIX/bin is in"
119 echo "*** your path, or set the LIBGNUTLS_EXTRA_CONFIG environment variable to the"
120 echo "*** full path to libgnutls-extra-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 $LIBGNUTLS_EXTRA_CFLAGS"
127 LIBS="$LIBS $LIBGNUTLS_EXTRA_LIBS"
128 AC_TRY_LINK([
129#include <stdio.h>
130#include <stdlib.h>
131#include <string.h>
132#include <gnutls/extra.h>
133], [ return !!gnutls_extra_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_EXTRA or finding the wrong"
136 echo "*** version of LIBGNUTLS_EXTRA. If it is not finding LIBGNUTLS_EXTRA, 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_EXTRA was incorrectly installed"
146 echo "*** or that you have moved LIBGNUTLS_EXTRA since it was installed. In the latter case, you"
147 echo "*** may want to edit the libgnutls-extra-config script: $LIBGNUTLS_EXTRA_CONFIG" ])
148 CFLAGS="$ac_save_CFLAGS"
149 LIBS="$ac_save_LIBS"
150 fi
151 fi
152 LIBGNUTLS_EXTRA_CFLAGS=""
153 LIBGNUTLS_EXTRA_LIBS=""
154 ifelse([$3], , :, [$3])
155 fi
156 rm -f conf.libgnutlstest
157 AC_SUBST(LIBGNUTLS_EXTRA_CFLAGS)
158 AC_SUBST(LIBGNUTLS_EXTRA_LIBS)
159
160 LIBGNUTLS_LIBS=$LIBGNUTLS_EXTRA_LIBS
161 LIBGNUTLS_CFLAGS=$LIBGNUTLS_EXTRA_CFLAGS
162 LIBGNUTLS_VERSION=`$LIBGNUTLS_EXTRA_CONFIG $libgnutls_extra_config_args --version`
163 LIBGNUTLS_PREFIX="`$LIBGNUTLS_EXTRA_CONFIG $libgnutls_extra_config_args --prefix`"
164 GNUTLS_CERTTOOL="${LIBGNUTLS_PREFIX}/bin/certtool"
165
166 AC_SUBST(LIBGNUTLS_CFLAGS)
167 AC_SUBST(LIBGNUTLS_LIBS)
168 AC_SUBST(LIBGNUTLS_VERSION)
169 AC_SUBST(LIBGNUTLS_PREFIX)
170 AC_SUBST(LIBGNUTLS_CERTTOOL)
171
172])
173
174dnl *-*wedit:notab*-* Please keep this as the last line.