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dnl Process this file with autoconf to produce a configure script.
AC_INIT
dnl AC_CONFIG_HEADER(config.h)

AC_PREFIX_DEFAULT(/usr/local)

AC_CANONICAL_TARGET([])
AC_DEFINE_UNQUOTED(T_CPU, "$target_cpu")
AC_DEFINE_UNQUOTED(T_VENDOR, "$target_vendor")
AC_DEFINE_UNQUOTED(T_OS, "$target_os")

GNUTLS_MAJOR_VERSION=0
GNUTLS_MINOR_VERSION=1
GNUTLS_MICRO_VERSION=3
GNUTLS_VERSION=$GNUTLS_MAJOR_VERSION.$GNUTLS_MINOR_VERSION.$GNUTLS_MICRO_VERSION

AC_DEFINE_UNQUOTED(GNUTLS_VERSION, "$GNUTLS_VERSION")

AM_INIT_AUTOMAKE(gnutls, $GNUTLS_VERSION)
AM_CONFIG_HEADER(config.h)


GNUTLS_MOST_RECENT_INTERFACE=$GNUTLS_MINOR_VERSION
GNUTLS_CURRENT_INTERFACE_IMPLEMENTATION_NUMBER=$GNUTLS_MICRO_VERSION
GNUTLS_OLDEST_INTERFACE=0

AM_PATH_LIBGCRYPT(1.1.2,,
 	AC_MSG_ERROR([[
***  
*** libgcrypt was not found. You may want to get it from
*** ftp://ftp.gnupg.org/pub/gcrypt/alpha/libgcrypt/
***
]]))
dnl Can't disable for now
AC_DEFINE(USE_GCRYPT)

AC_SUBST(GNUTLS_MAJOR_VERSION)
AC_SUBST(GNUTLS_MINOR_VERSION)
AC_SUBST(GNUTLS_MICRO_VERSION)
AC_SUBST(GNUTLS_VERSION)

AC_SUBST(GNUTLS_MOST_RECENT_INTERFACE)
AC_SUBST(GNUTLS_CURRENT_INTERFACE_IMPLEMENTATION_NUMBER)
AC_SUBST(GNUTLS_OLDEST_INTERFACE)

LT_CURRENT=$GNUTLS_MOST_RECENT_INTERFACE
LT_REVISION=$GNUTLS_CURRENT_INTERFACE_IMPLEMENTATION_NUMBER
LT_AGE=`expr $GNUTLS_MOST_RECENT_INTERFACE - $GNUTLS_OLDEST_INTERFACE`
AC_SUBST(LT_CURRENT)
AC_SUBST(LT_REVISION)
AC_SUBST(LT_AGE)

opt_dmalloc_mode=no
AC_MSG_CHECKING([whether in dmalloc mode])
AC_ARG_ENABLE(dmalloc-mode,
[  --enable-dmalloc-mode enable dmalloc mode],
opt_dmalloc_mode=$enableval)
AC_MSG_RESULT($opt_dmalloc_mode)

opt_maintainer_mode=no
AC_MSG_CHECKING([whether in maintanance mode])
AC_ARG_ENABLE(maintainer-mode,
[  --enable-maintainer-mode enable maintainer mode],
opt_maintainer_mode=$enableval)
AC_MSG_RESULT($opt_maintainer_mode)

opt_profiler_mode=no
AC_MSG_CHECKING([whether in profile mode])
AC_ARG_ENABLE(profile-mode,
[  --enable-profile-mode enable profiler (gcov/gprof)],
opt_profiler_mode=$enableval)
AC_MSG_RESULT($opt_profiler_mode)


AC_PROG_CC

AC_TYPE_SIZE_T

AC_C_CONST
AC_C_INLINE

dnl Checks for programs.
AC_PROG_INSTALL

dnl AC_PROG_MAKE_SET


AC_ARG_WITH( mcrypt, [  --with-mcrypt           enable libmcrypt support],
 [AM_PATH_LIBMCRYPT( 2.4.0,, 
 	AC_MSG_ERROR([[*** libmcrypt was not found]])
    AC_MSG_ERROR([[*** You need libmcrypt 2.4.x to compile this program. http://mcrypt.hellug.gr]])
 )
 ]
)

LIBS="${LIBS} ${LIBMCRYPT_LIBS}"

AC_ARG_WITH( mhash, [  --with-mhash            enable libmhash support],
 [AC_CHECK_LIB(mhash, mhash_init, AC_DEFINE(USE_MHASH) 
LIBS="${LIBS} -lmhash")])

if test $ac_cv_c_compiler_gnu != no; then
	CFLAGS=""

	if test $opt_profiler_mode = yes; then
	  CFLAGS="${CFLAGS} -O0 -fprofile-arcs -ftest-coverage -pg"
	fi

	if test $opt_maintainer_mode = yes; then
	  CFLAGS="${CFLAGS} -O0 -ggdb3 -Wall -Wpointer-arith"
	else
	  CFLAGS="${CFLAGS} -O2"
	fi

	if test $opt_dmalloc_mode = yes; then
	  AC_CHECK_LIB( dmalloc, main)
	  AC_DEFINE(USE_DMALLOC)
	fi
fi

AC_HEADER_STDC
AC_CHECK_HEADERS(unistd.h pwd.h locale.h strings.h stdarg.h)
AC_CHECK_HEADERS(sys/stat.h sys/types.h sys/socket.h)
AC_CHECK_HEADERS(utime.h zlib.h errno.h)
AC_CHECK_FUNCS(bzero memsetl,,)
AC_CHECK_FUNCS(lstat stat umask utime memmove bcopy getpwuid,,)

AC_CHECK_LIB(gdbm, gdbm_open,, AC_MSG_WARN("GDBM was not found. You will not be able to use Server side session resuming."))
AC_CHECK_LIB(z, compress,,AC_MSG_WARN("ZLIB was not found. You will not be able to use ZLIB compression."))

dnl Checks for libraries.
AC_C_BIGENDIAN
AC_CHECK_SIZEOF(unsigned long long, 8)
AC_CHECK_SIZEOF(unsigned long int, 4)
AC_CHECK_SIZEOF(unsigned int, 4)
AC_CHECK_SIZEOF(unsigned short int, 2)
AC_CHECK_SIZEOF(unsigned char, 1)

AM_PROG_LIBTOOL

LIBGNUTLS_LIBS="$LIBS -L${libdir} -lgnutls $LIBGCRYPT_LIBS"
LIBGNUTLS_CFLAGS="$LIBGCRYPT_CFLAGS -I${includedir}"
AC_SUBST(LIBGNUTLS_LIBS)
AC_SUBST(LIBGNUTLS_CFLAGS)

AC_CONFIG_COMMANDS([default],[[
 cat lib/gnutls_errors_int.h >> lib/gnutls.h
 echo "" >> lib/gnutls.h
 chmod -w lib/gnutls.h 
 chmod +x lib/libgnutls-config
]],[[]])

AC_CONFIG_FILES([Makefile src/Makefile lib/Makefile lib/libgnutls-config lib/gnutls.h doc/Makefile])
AC_OUTPUT