Mercurial > ~mikael > mcabber > hg
comparison mcabber/macros/missing/gnutls.m4 @ 1258:7691eb8c8e55
Add libgnutls M4 macro to macros/missing/
author | Mikael Berthe <mikael@lilotux.net> |
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date | Tue, 26 Jun 2007 22:22:45 +0200 |
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1257:05dc45e7c7bb | 1258:7691eb8c8e55 |
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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. |