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biosvos
@@ -0,0 +1,248 @@
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dnl Autoconf macros for libmcrypt
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dnl $id$
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# This script detects libmcrypt version and defines
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# LIBMCRYPT_CFLAGS, LIBMCRYPT_LIBS
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# and LIBMCRYPT24 or LIBMCRYPT22 depending on libmcrypt version
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# found.
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# Modified for LIBMCRYPT -- nmav
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# Configure paths for LIBGCRYPT
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# Shamelessly stolen from the one of XDELTA by Owen Taylor
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# Werner Koch 99-12-09
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dnl AM_PATH_LIBMCRYPT([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND ]]])
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dnl Test for libmcrypt, and define LIBMCRYPT_CFLAGS and LIBMCRYPT_LIBS
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dnl
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AC_DEFUN(AM_PATH_LIBMCRYPT,
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[dnl
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dnl Get the cflags and libraries from the libmcrypt-config script
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dnl
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AC_ARG_WITH(libmcrypt-prefix,
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[ --with-libmcrypt-prefix=PFX Prefix where libmcrypt is installed (optional)],
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libmcrypt_config_prefix="$withval", libmcrypt_config_prefix="")
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if test x$libmcrypt_config_prefix != x ; then
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libmcrypt_config_args="$libmcrypt_config_args --prefix=$libmcrypt_config_prefix"
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if test x${LIBMCRYPT_CONFIG+set} != xset ; then
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LIBMCRYPT_CONFIG=$libmcrypt_config_prefix/bin/libmcrypt-config
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fi
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fi
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AC_PATH_PROG(LIBMCRYPT_CONFIG, libmcrypt-config, no)
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min_libmcrypt_version=ifelse([$1], ,2.4.0,$1)
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AC_MSG_CHECKING(for libmcrypt - version >= $min_libmcrypt_version)
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no_libmcrypt=""
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if test "$LIBMCRYPT_CONFIG" = "no" ; then
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dnl libmcrypt-config was not found (pre 2.4.11 versions)
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dnl Try to detect libmcrypt version
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AC_TRY_RUN([
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <mcrypt.h>
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int
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main ()
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{
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#if MCRYPT_API_VERSION <= 19991015
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/* version 2.2 */
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return 0;
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#else
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/* version 2.4 */
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return 1;
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#endif /* 19991015 */
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}
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], libmcrypt_config_version="2.2.0"
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if test x$libmcrypt_config_prefix != x ; then
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TTLIBS="-L${libmcrypt_config_prefix}/libs"
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TTINCLUDE="-I${libmcrypt_config_prefix}/include"
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fi
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LIBMCRYPT_CFLAGS="${TTINCLUDE}"
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LIBMCRYPT_LIBS="${TTLIBS} -lmcrypt"
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AC_DEFINE(LIBMCRYPT22, 1, [have libmcrypt 2.2])
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, libmcrypt_config_version="2.4.0"
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if test x$libmcrypt_config_prefix != x ; then
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TTLIBS="-L${libmcrypt_config_prefix}/libs"
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TTINCLUDE="-I${libmcrypt_config_prefix}/include"
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fi
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LIBMCRYPT_CFLAGS="${TTINCLUDE}"
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LIBMCRYPT_LIBS="${TTLIBS} -lmcrypt -lltdl ${LIBADD_DL}"
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AC_DEFINE(LIBMCRYPT24, 1, [have libmcrypt 2.4]))
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else
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dnl libmcrypt-config was found
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LIBMCRYPT_CFLAGS=`$LIBMCRYPT_CONFIG $libmcrypt_config_args --cflags`
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LIBMCRYPT_LIBS=`$LIBMCRYPT_CONFIG $libmcrypt_config_args --libs`
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libmcrypt_config_version=`$LIBMCRYPT_CONFIG $libmcrypt_config_args --version`
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AC_DEFINE(LIBMCRYPT24, 1, [have libmcrypt 2.4])
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fi
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ac_save_CFLAGS="$CFLAGS"
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ac_save_LIBS="$LIBS"
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CFLAGS="$CFLAGS $LIBMCRYPT_CFLAGS"
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LIBS="$LIBS $LIBMCRYPT_LIBS"
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dnl
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dnl Now check if the installed libmcrypt is sufficiently new. Also sanity
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dnl checks the results of libmcrypt-config to some extent
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dnl
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rm -f conf.libmcrypttest
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AC_TRY_RUN([
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <mcrypt.h>
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#define TWO "2.2"
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int
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main ()
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{
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#if MCRYPT_API_VERSION <= 20010201
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#if MCRYPT_API_VERSION <= 19991015
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/* version 2.2 */
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int x = mcrypt_get_key_size(MCRYPT_TWOFISH_128);
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system ("touch conf.libmcrypttest");
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if( strncmp( TWO, "$min_libmcrypt_version", strlen(TWO))) {
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printf("\n*** Requested libmcrypt %s, but LIBMCRYPT (%s)\n",
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"$min_libmcrypt_version", TWO );
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printf("*** was found!\n");
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return 1;
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}
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return 0;
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#else
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/* version 2.4 before 11 */
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MCRYPT td = mcrypt_module_open("twofish", NULL, "cbc", NULL);
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system ("touch conf.libmcrypttest");
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mcrypt_module_close(td);
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return 0;
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#endif /* 19991015 */
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#else
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system ("touch conf.libmcrypttest");
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if( strcmp( mcrypt_check_version(NULL), "$libmcrypt_config_version" ) )
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{
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printf("\n*** 'libmcrypt-config --version' returned %s, but LIBMCRYPT (%s)\n",
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"$libmcrypt_config_version", mcrypt_check_version(NULL) );
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printf("*** was found! If libmcrypt-config was correct, then it is best\n");
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printf("*** to remove the old version of LIBMCRYPT. You may also be able to fix the error\n");
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printf("*** by modifying your LD_LIBRARY_PATH enviroment variable, or by editing\n");
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printf("*** /etc/ld.so.conf. Make sure you have run ldconfig if that is\n");
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printf("*** required on your system.\n");
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printf("*** If libmcrypt-config was wrong, set the environment variable LIBMCRYPT_CONFIG\n");
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printf("*** to point to the correct copy of libmcrypt-config, and remove the file config.cache\n");
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printf("*** before re-running configure\n");
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}
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else if ( strcmp(mcrypt_check_version(NULL), LIBMCRYPT_VERSION ) )
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{
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printf("\n*** LIBMCRYPT header file (version %s) does not match\n", LIBMCRYPT_VERSION);
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printf("*** library (version %s)\n", mcrypt_check_version(NULL) );
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}
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else
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{
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if ( mcrypt_check_version( "$min_libmcrypt_version" ) )
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{
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return 0;
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}
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else
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{
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printf("no\n*** An old version of LIBMCRYPT (%s) was found.\n",
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mcrypt_check_version(NULL) );
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printf("*** You need a version of LIBMCRYPT newer than %s. The latest version of\n",
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"$min_libmcrypt_version" );
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printf("*** LIBMCRYPT is always available from ftp://mcrypt.hellug.gr/pub/mcrypt.\n");
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printf("*** \n");
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printf("*** If you have already installed a sufficiently new version, this error\n");
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printf("*** probably means that the wrong copy of the libmcrypt-config shell script is\n");
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printf("*** being found. The easiest way to fix this is to remove the old version\n");
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printf("*** of LIBMCRYPT, but you can also set the LIBMCRYPT_CONFIG environment to point to the\n");
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printf("*** correct copy of libmcrypt-config. (In this case, you will have to\n");
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printf("*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n");
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printf("*** so that the correct libraries are found at run-time))\n");
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}
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}
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return 1;
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#endif /* 20010201 */
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}
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],, no_libmcrypt=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
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CFLAGS="$ac_save_CFLAGS"
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LIBS="$ac_save_LIBS"
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if test "x$no_libmcrypt" = x ; then
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AC_MSG_RESULT(yes)
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ifelse([$2], , :, [$2])
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else
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if test -f conf.libmcrypttest ; then
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:
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else
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AC_MSG_RESULT(no)
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fi
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if test -f conf.libmcrypttest ; then
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:
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else
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echo "*** Could not run libmcrypt test program, checking why..."
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CFLAGS="$CFLAGS $LIBMCRYPT_CFLAGS"
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LIBS="$LIBS $LIBMCRYPT_LIBS"
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AC_TRY_LINK([
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <mcrypt.h>
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], [
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#if MCRYPT_API_VERSION <= 20010201
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#if MCRYPT_API_VERSION <= 19991015
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/* version 2.2 */
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int x = mcrypt_get_key_size(MCRYPT_TWOFISH_128);
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return 0;
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#else
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/* version 2.4 before 11 */
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MCRYPT td = mcrypt_module_open("twofish", NULL, "cbc", NULL);
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mcrypt_module_close(td);
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return 0;
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#endif /* 19991015 */
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#else
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return !!mcrypt_check_version(NULL);
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#endif /* 20010201 */
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],
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[ echo "*** The test program compiled, but did not run. This usually means"
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echo "*** that the run-time linker is not finding LIBMCRYPT or finding the wrong"
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echo "*** version of LIBMCRYPT. If it is not finding LIBMCRYPT, you'll need to set your"
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echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
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echo "*** to the installed location Also, make sure you have run ldconfig if that"
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echo "*** is required on your system"
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echo "***"
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echo "*** If you have an old version installed, it is best to remove it, although"
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echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"
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echo "***" ],
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[ echo "*** The test program failed to compile or link. See the file config.log for the"
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echo "*** exact error that occured. This usually means LIBMCRYPT was incorrectly installed"
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echo "*** or that you have moved LIBMCRYPT since it was installed. In the latter case, you"
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echo "*** may want to edit the libmcrypt-config script: $LIBMCRYPT_CONFIG" ])
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CFLAGS="$ac_save_CFLAGS"
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LIBS="$ac_save_LIBS"
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fi
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LIBMCRYPT_CFLAGS=""
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LIBMCRYPT_LIBS=""
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ifelse([$3], , :, [$3])
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fi
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rm -f conf.libmcrypttest
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AC_SUBST(LIBMCRYPT_CFLAGS)
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AC_SUBST(LIBMCRYPT_LIBS)
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])
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dnl *-*wedit:notab*-* Please keep this as the last line.
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