"Fossies" - the Fresh Open Source Software Archive

Member "libmcrypt-2.5.8/lib/libmcrypt.m4" (18 Feb 2007, 8626 Bytes) of package /linux/privat/old/libmcrypt-2.5.8.tar.gz:


As a special service "Fossies" has tried to format the requested text file into HTML format (style: standard) with prefixed line numbers. Alternatively you can here view or download the uninterpreted source code file.

    1 dnl Autoconf macros for libmcrypt
    2 dnl $id$
    3 
    4 # This script detects libmcrypt version and defines
    5 # LIBMCRYPT_CFLAGS, LIBMCRYPT_LIBS
    6 # and LIBMCRYPT24 or LIBMCRYPT22 depending on libmcrypt version
    7 # found.
    8 
    9 # Modified for LIBMCRYPT -- nmav
   10 # Configure paths for LIBGCRYPT
   11 # Shamelessly stolen from the one of XDELTA by Owen Taylor
   12 # Werner Koch   99-12-09
   13 
   14 dnl AM_PATH_LIBMCRYPT([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND ]]])
   15 dnl Test for libmcrypt, and define LIBMCRYPT_CFLAGS and LIBMCRYPT_LIBS
   16 dnl
   17 AC_DEFUN([AM_PATH_LIBMCRYPT],
   18 [dnl
   19 dnl Get the cflags and libraries from the libmcrypt-config script
   20 dnl
   21 AC_ARG_WITH(libmcrypt-prefix,
   22           [  --with-libmcrypt-prefix=PFX   Prefix where libmcrypt is installed (optional)],
   23           libmcrypt_config_prefix="$withval", libmcrypt_config_prefix="")
   24 
   25   if test x$libmcrypt_config_prefix != x ; then
   26      libmcrypt_config_args="$libmcrypt_config_args --prefix=$libmcrypt_config_prefix"
   27      if test x${LIBMCRYPT_CONFIG+set} != xset ; then
   28         LIBMCRYPT_CONFIG=$libmcrypt_config_prefix/bin/libmcrypt-config
   29      fi
   30   fi
   31 
   32   AC_PATH_PROG(LIBMCRYPT_CONFIG, libmcrypt-config, no)
   33   min_libmcrypt_version=ifelse([$1], ,2.4.0,$1)
   34   AC_MSG_CHECKING(for libmcrypt - version >= $min_libmcrypt_version)
   35   no_libmcrypt=""
   36   if test "$LIBMCRYPT_CONFIG" = "no" ; then
   37 dnl libmcrypt-config was not found (pre 2.4.11 versions)
   38 dnl Try to detect libmcrypt version
   39       AC_TRY_RUN([
   40 #include <stdio.h>
   41 #include <stdlib.h>
   42 #include <string.h>
   43 #include <mcrypt.h>
   44 
   45 int
   46 main ()
   47 {
   48 #if MCRYPT_API_VERSION <= 19991015 
   49 /* version 2.2 */
   50     return 0;
   51 #else
   52 /* version 2.4 */
   53     return 1;
   54 #endif /* 19991015 */
   55 }
   56 ],  libmcrypt_config_version="2.2.0"
   57     if test x$libmcrypt_config_prefix != x ; then
   58 	TTLIBS="-L${libmcrypt_config_prefix}/libs"
   59 	TTINCLUDE="-I${libmcrypt_config_prefix}/include"
   60     fi
   61     LIBMCRYPT_CFLAGS="${TTINCLUDE}"
   62     LIBMCRYPT_LIBS="${TTLIBS} -lmcrypt"
   63     AC_DEFINE(LIBMCRYPT22, 1, [have libmcrypt 2.2])
   64 
   65 ,   libmcrypt_config_version="2.4.0"
   66     if test x$libmcrypt_config_prefix != x ; then
   67 	TTLIBS="-L${libmcrypt_config_prefix}/libs"
   68 	TTINCLUDE="-I${libmcrypt_config_prefix}/include"
   69     fi
   70     LIBMCRYPT_CFLAGS="${TTINCLUDE}"
   71     LIBMCRYPT_LIBS="${TTLIBS} -lmcrypt -lltdl ${LIBADD_DL}"
   72     AC_DEFINE(LIBMCRYPT24, 1, [have libmcrypt 2.4]))
   73   else
   74 dnl libmcrypt-config was found
   75     LIBMCRYPT_CFLAGS=`$LIBMCRYPT_CONFIG $libmcrypt_config_args --cflags`
   76     LIBMCRYPT_LIBS=`$LIBMCRYPT_CONFIG $libmcrypt_config_args --libs`
   77     libmcrypt_config_version=`$LIBMCRYPT_CONFIG $libmcrypt_config_args --version`
   78     AC_DEFINE(LIBMCRYPT24, 1, [have libmcrypt 2.4])
   79   fi
   80 
   81   ac_save_CFLAGS="$CFLAGS"
   82   ac_save_LIBS="$LIBS"
   83   CFLAGS="$CFLAGS $LIBMCRYPT_CFLAGS"
   84   LIBS="$LIBS $LIBMCRYPT_LIBS"
   85 
   86 dnl
   87 dnl Now check if the installed libmcrypt is sufficiently new. Also sanity
   88 dnl checks the results of libmcrypt-config to some extent
   89 dnl
   90       rm -f conf.libmcrypttest
   91       AC_TRY_RUN([
   92 #include <stdio.h>
   93 #include <stdlib.h>
   94 #include <string.h>
   95 #include <mcrypt.h>
   96 
   97 #define TWO "2.2"
   98 
   99 int
  100 main ()
  101 {
  102 #if MCRYPT_API_VERSION <= 20010201
  103 
  104 #if MCRYPT_API_VERSION <= 19991015 
  105 /* version 2.2 */
  106     int x = mcrypt_get_key_size(MCRYPT_TWOFISH_128);
  107     system ("touch conf.libmcrypttest");
  108 
  109     if( strncmp( TWO, "$min_libmcrypt_version", strlen(TWO))) {
  110       printf("\n*** Requested libmcrypt %s, but LIBMCRYPT (%s)\n",
  111              "$min_libmcrypt_version", TWO );
  112       printf("*** was found!\n"); 
  113       return 1;
  114     }
  115     return 0;
  116 #else
  117 /* version 2.4 before 11 */
  118     MCRYPT td = mcrypt_module_open("twofish", NULL, "cbc", NULL);
  119     system ("touch conf.libmcrypttest");
  120     mcrypt_module_close(td);
  121 
  122     return 0;
  123 #endif /* 19991015 */
  124 
  125 #else
  126 
  127     system ("touch conf.libmcrypttest");
  128 
  129     if( strcmp( mcrypt_check_version(NULL), "$libmcrypt_config_version" ) )
  130     {
  131       printf("\n*** 'libmcrypt-config --version' returned %s, but LIBMCRYPT (%s)\n",
  132              "$libmcrypt_config_version", mcrypt_check_version(NULL) );
  133       printf("*** was found! If libmcrypt-config was correct, then it is best\n");
  134       printf("*** to remove the old version of LIBMCRYPT. You may also be able to fix the error\n");
  135       printf("*** by modifying your LD_LIBRARY_PATH enviroment variable, or by editing\n");
  136       printf("*** /etc/ld.so.conf. Make sure you have run ldconfig if that is\n");
  137       printf("*** required on your system.\n");
  138       printf("*** If libmcrypt-config was wrong, set the environment variable LIBMCRYPT_CONFIG\n");
  139       printf("*** to point to the correct copy of libmcrypt-config, and remove the file config.cache\n");
  140       printf("*** before re-running configure\n");
  141     }
  142     else if ( strcmp(mcrypt_check_version(NULL), LIBMCRYPT_VERSION ) )
  143     {
  144       printf("\n*** LIBMCRYPT header file (version %s) does not match\n", LIBMCRYPT_VERSION);
  145       printf("*** library (version %s)\n", mcrypt_check_version(NULL) );
  146     }
  147     else
  148     {
  149       if ( mcrypt_check_version( "$min_libmcrypt_version" ) )
  150       {
  151         return 0;
  152       }
  153      else
  154       {
  155         printf("no\n*** An old version of LIBMCRYPT (%s) was found.\n",
  156                 mcrypt_check_version(NULL) );
  157         printf("*** You need a version of LIBMCRYPT newer than %s. The latest version of\n",
  158                "$min_libmcrypt_version" );
  159         printf("*** LIBMCRYPT is always available from ftp://mcrypt.hellug.gr/pub/mcrypt.\n");
  160         printf("*** \n");
  161         printf("*** If you have already installed a sufficiently new version, this error\n");
  162         printf("*** probably means that the wrong copy of the libmcrypt-config shell script is\n");
  163         printf("*** being found. The easiest way to fix this is to remove the old version\n");
  164         printf("*** of LIBMCRYPT, but you can also set the LIBMCRYPT_CONFIG environment to point to the\n");
  165         printf("*** correct copy of libmcrypt-config. (In this case, you will have to\n");
  166         printf("*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n");
  167         printf("*** so that the correct libraries are found at run-time)\n");
  168       }
  169     }
  170   return 1;
  171 
  172 #endif /* 20010201 */
  173 
  174 }
  175 ],, no_libmcrypt=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
  176        CFLAGS="$ac_save_CFLAGS"
  177        LIBS="$ac_save_LIBS"
  178 
  179 
  180   if test "x$no_libmcrypt" = x ; then
  181      AC_MSG_RESULT(yes)
  182      ifelse([$2], , :, [$2])
  183   else
  184      if test -f conf.libmcrypttest ; then
  185         :
  186      else
  187         AC_MSG_RESULT(no)
  188      fi
  189      
  190      if test -f conf.libmcrypttest ; then
  191         :
  192      else
  193           echo "*** Could not run libmcrypt test program, checking why..."
  194           CFLAGS="$CFLAGS $LIBMCRYPT_CFLAGS"
  195           LIBS="$LIBS $LIBMCRYPT_LIBS"
  196           AC_TRY_LINK([
  197 #include <stdio.h>
  198 #include <stdlib.h>
  199 #include <string.h>
  200 #include <mcrypt.h>
  201 ],      [ 
  202 #if MCRYPT_API_VERSION <= 20010201
  203 
  204 #if MCRYPT_API_VERSION <= 19991015 
  205 /* version 2.2 */
  206     int x = mcrypt_get_key_size(MCRYPT_TWOFISH_128);
  207     return 0;
  208 #else
  209 /* version 2.4 before 11 */
  210     MCRYPT td = mcrypt_module_open("twofish", NULL, "cbc", NULL);
  211     mcrypt_module_close(td);
  212     return 0;
  213 #endif /* 19991015 */
  214 #else
  215 
  216 return !!mcrypt_check_version(NULL); 
  217 
  218 #endif /* 20010201 */
  219 
  220 ],
  221         [ echo "*** The test program compiled, but did not run. This usually means"
  222           echo "*** that the run-time linker is not finding LIBMCRYPT or finding the wrong"
  223           echo "*** version of LIBMCRYPT. If it is not finding LIBMCRYPT, you'll need to set your"
  224           echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
  225           echo "*** to the installed location  Also, make sure you have run ldconfig if that"
  226           echo "*** is required on your system"
  227           echo "***"
  228           echo "*** If you have an old version installed, it is best to remove it, although"
  229           echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"
  230           echo "***" ],
  231         [ echo "*** The test program failed to compile or link. See the file config.log for the"
  232           echo "*** exact error that occured. This usually means LIBMCRYPT was incorrectly installed"
  233           echo "*** or that you have moved LIBMCRYPT since it was installed. In the latter case, you"
  234           echo "*** may want to edit the libmcrypt-config script: $LIBMCRYPT_CONFIG" ])
  235           CFLAGS="$ac_save_CFLAGS"
  236           LIBS="$ac_save_LIBS"
  237      fi
  238      
  239      LIBMCRYPT_CFLAGS=""
  240      LIBMCRYPT_LIBS=""
  241      ifelse([$3], , :, [$3])
  242   fi
  243   rm -f conf.libmcrypttest
  244   AC_SUBST(LIBMCRYPT_CFLAGS)
  245   AC_SUBST(LIBMCRYPT_LIBS)
  246 ])
  247 
  248 dnl *-*wedit:notab*-*  Please keep this as the last line.