dnl Process this file with autoconf to produce a configure script.
AC_PREREQ(2.50)
AC_INIT
dnl AC_CONFIG_HEADER(config.h)

AC_PREFIX_DEFAULT(/usr/local)

AC_CANONICAL_TARGET([])
AC_DEFINE_UNQUOTED(T_CPU, "$target_cpu", [target CPU])
AC_DEFINE_UNQUOTED(T_VENDOR, "$target_vendor", [Vendor])
AC_DEFINE_UNQUOTED(T_OS, "$target_os", [OS])

AM_INIT_AUTOMAKE(mcrypt, 2.6.4)

AM_CONFIG_HEADER(config.h)

AC_PROG_LIBTOOL
AC_PROG_CC


AM_PATH_LIBMCRYPT( 2.5.0,, 
 AC_MSG_ERROR([[*** libmcrypt was not found]])
)

AC_CHECK_LIB(mhash, mhash_keygen, LIBS="${LIBS} -lmhash",
  AC_MSG_ERROR("You need at least libmhash 0.8.15 to compile this program. http://mhash.sf.net/"))

AC_MSG_CHECKING([whether mhash >= 0.8.15])
AC_TRY_RUN([
#include <mhash.h>

int main() {

if (MHASH_API_VERSION >= 20020524)
	exit(0);
else
	exit(-1);
}
],
dnl	************ CASE >= 0.8.15
AC_MSG_RESULT(yes)
,
dnl	 ************ CASE < 0.8.15
AC_MSG_RESULT(no)
AC_MSG_ERROR("You need at least libmhash 0.8.15 to compile this program. http://mhash.sf.net/")
,
AC_MSG_RESULT(cross compiling)
)        


dnl For GNU gettext
ALL_LINGUAS="el cs pl de es_AR"

AM_GNU_GETTEXT([external])

 AC_CHECK_LIB(z, compress,,AC_MSG_WARN(
*** 
*** ZLIB was not found. You will not be able to use ZLIB compression
*** in OpenPGP packets.))

LIBS="${LIBS} ${LIBMCRYPT_LIBS}"
CFLAGS="${CFLAGS} ${LIBMCRYPT_CFLAGS} -Wall"


AC_C_CONST

dnl Checks for programs.
AC_PROG_INSTALL
AC_PROG_LN_S
AC_PATH_PROG(RM,rm)

case "${target}" in
    *-cygwin*)
	;;
    *-mingw*)
        ;;
    *)
	AC_PATH_PROG(GZIP,gzip)
	AC_DEFINE_UNQUOTED(GZIP, "$GZIP", [gzip pathname])
	AC_PATH_PROG(BZIP2, bzip2)
	AC_DEFINE_UNQUOTED(BZIP2, "$BZIP2", [bzip2 pathname])
        ;;
esac

dnl AC_PROG_MAKE_SET

dnl From GNUPG
AC_MSG_CHECKING([whether use of /dev/random is requested])
AC_ARG_ENABLE(dev-random,
[  --disable-dev-random    disable the use of dev random],
    try_dev_random=$enableval, try_dev_random=yes)
AC_MSG_RESULT($try_dev_random)


opt_static_link=no
AC_MSG_CHECKING([whether static link is requested])
AC_ARG_ENABLE(static-link,
[  --enable-static-link    link mcrypt statically (libmcrypt must also be a static library))],
opt_static_link=$enableval)
AC_MSG_RESULT($opt_static_link)

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)


AC_MSG_CHECKING([whether included getpass is requested])
AC_ARG_ENABLE(included-getpass,
[  --disable-included-getpass disable-included-getpass],
    try_getpass=$enableval, try_getpass=yes)
AC_MSG_RESULT($try_getpass)

if test "$try_getpass" != yes ; then
 AC_DEFINE(NO_GETPASS, 1, [whether getpass was requested])
fi

case "${target}" in
    *-openbsd*)
        NAME_OF_DEV_RANDOM="/dev/srandom"
        NAME_OF_DEV_URANDOM="/dev/urandom"
        ;;
    *-cygwin*)
	AC_DEFINE(WIN32, 1, [win32])
        NAME_OF_DEV_RANDOM=""
        NAME_OF_DEV_URANDOM=""
	;;
    *-mingw*)
	AC_DEFINE(WIN32, 1, [win32])
        NAME_OF_DEV_RANDOM=""
        NAME_OF_DEV_URANDOM=""
        ;;
    *)
        NAME_OF_DEV_RANDOM="/dev/random"
        NAME_OF_DEV_URANDOM="/dev/urandom"
        ;;
esac

AC_DEFINE_UNQUOTED(NAME_OF_DEV_RANDOM, "$NAME_OF_DEV_RANDOM", [path of random])
AC_DEFINE_UNQUOTED(NAME_OF_DEV_URANDOM, "$NAME_OF_DEV_URANDOM", [path of urandom])

dnl check whether we have a random device
if test "$try_dev_random" = yes ; then
AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
[if test -c "/dev/random" && test -c "$NAME_OF_DEV_URANDOM" ; then
  ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
if test "$ac_cv_have_dev_random" = yes; then
    AC_DEFINE(HAVE_DEV_RANDOM, 1, [whether /dev/random exists])
else
    AC_MSG_WARN(No random device found. No real random data can be used.)
fi
else
    AC_MSG_CHECKING(for random device)
    ac_cv_have_dev_random=no
    AC_MSG_RESULT(has been disabled)
    AC_MSG_WARN(Support for random device was disabled. No real random data can be used.)
fi


if test $ac_cv_c_compiler_gnu = yes; then

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

if test "$opt_static_link" = yes; then
 	if test -n "$GCC" || test "$ac_cv_c_compiler_gnu" = "yes"; then
 		LDFLAGS="-static $LDFLAGS"
 	fi
fi

AC_C_BIGENDIAN
AC_TYPE_SIGNAL
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)

AC_CHECK_TYPE( off_t, 
  AC_DEFINE( HAVE_OFF_T, 1, [have off_t type]),,
)

AC_SYS_LARGEFILE

AC_HEADER_STDC
AC_CHECK_HEADERS(unistd.h pwd.h locale.h strings.h mcrypt.h ctype.h)
AC_CHECK_HEADERS(sys/stat.h sys/types.h fcntl.h sys/wait.h)
AC_CHECK_HEADERS(utime.h signal.h)
AC_CHECK_HEADERS(termios.h termio.h sgtty.h)
AC_CHECK_FUNCS(bzero signal sigaction memset fsync siglongjmp strlcpy,,)
AC_CHECK_FUNCS(umask utime memmove bcopy getpwuid waitpid kill ftime,,)
AC_CHECK_FUNCS(lstat stat fseeko,,)


AC_CONFIG_FILES([Makefile doc/Makefile src/Makefile po/Makefile.in m4/Makefile ])
AC_CONFIG_COMMANDS([default],[[]],[[]])
AC_OUTPUT