#                                               -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.

AC_PREREQ(2.56)
AC_INIT([Baltisot],[0.1.0],[pixel@nobis-crew.org])
AM_INIT_AUTOMAKE(Baltisot, 0.1.0)
AC_CONFIG_SRCDIR(src/Main.cc)
AM_CONFIG_HEADER(config.h)

AM_MAINTAINER_MODE

# Checks for programs.
AC_PROG_CXX
AC_PROG_CC
AC_PROG_CPP
AC_PROG_INSTALL
AC_PROG_LN_S
AC_PROG_MAKE_SET
AC_PROG_RANLIB
AC_PROG_YACC
AM_PROG_LIBTOOL
AC_C_BIGENDIAN

# Checks for libraries.
AC_CHECK_LIB([c], [printf])

# Checks for header files.
AC_FUNC_ALLOCA
AC_HEADER_STDC
AC_HEADER_SYS_WAIT
AC_HEADER_STDBOOL
AC_HEADER_STAT
AC_HEADER_TIME
AC_HEADER_DIRENT
AC_CHECK_HEADERS([argz.h fcntl.h inttypes.h langinfo.h libintl.h limits.h locale.h malloc.h netdb.h netinet/in.h stddef.h stdint.h stdio_ext.h stdlib.h string.h strings.h sys/param.h sys/socket.h sys/time.h unistd.h])

# Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_C_INLINE
AC_TYPE_OFF_T
AC_TYPE_PID_T
AC_TYPE_SIZE_T
AC_TYPE_SSIZE_T
AC_STRUCT_TM
AC_C_VOLATILE

# Checks for library functions.
AM_GNU_GETTEXT()
AC_SUBST(USE_INCLUDED_LIBINTL)
ALL_LINGUAS="fr"
AC_FUNC_FORK
AC_FUNC_MALLOC
AC_FUNC_MMAP
AC_FUNC_REALLOC
AC_TYPE_SIGNAL
AC_FUNC_STRFTIME
AC_FUNC_VPRINTF
AC_FUNC_STAT
AC_CHECK_FUNCS([__argz_count __argz_next __argz_stringify getcwd gethostbyname memmove mempcpy memset munmap nl_langinfo regcomp setlocale socket stpcpy strcasecmp strchr strcspn strdup strerror strrchr strstr strtoul pipe sleep fcntl vsnprintf gettimeofday asprintf vasprintf])

AC_SEARCH_LIBS(socket, socket)
AC_SEARCH_LIBS(gethostbyname, nsl)
AC_SEARCH_LIBS(deflate, z)

if test x$ac_cv_search_deflate != xno ; then
  OLDCPPFLAGS=$CPPFLAGS
  CPPFLAGS="-Werror"
  AC_CACHE_CHECK([for well defined gzwrite in zlib.h], ac_cv_wd_gzwrite,
    AC_COMPILE_IFELSE(
      [AC_LANG_PROGRAM(
        [[#include <zlib.h>]],
	[[const char * buf = "Poide"; gzwrite(NULL, buf, 10);]]
      )],
      [AC_DEFINE([HAVE_WD_ZLIB], 1, [Have a well structured ZLIB])
       ac_cv_wd_gzwrite="yes"],[ac_cv_wd_gzwrite="no"
    ])
  )
  CPPFLAGS=$OLDCPPFLAGS
else
  AC_MSG_ERROR([no zlib found in the system.])
fi

if test x$ac_cv_wd_gzwrite != xyes ; then
  AC_MSG_WARN([You have a broken zconf.h.]
              [You should patch this using]
	      [the zconf.h-patch file.]
  	      [Enabling workaround.])
fi

GMP_LIBS="-lm"
AC_LANG_PUSH(C++)

if test "$with_gmp" != "no"; then
  AC_ARG_WITH(gmp-prefix, [  --with-gmp-prefix=DIR   path to GMP],
   [if test "$withval" != "no"; then
      CPPFLAGS="${CPPFLAGS} -I$withval/include"
      LDFLAGS="${LDFLAGS} -L$withval/lib"
    fi],
   dnl debian brain-damage 
   [if test -d /usr/include/gmp2; then
      CPPFLAGS="${CPPFLAGS} -I/usr/include/gmp2"
    fi])

  found_gmp=no
  AC_CHECK_HEADER(gmpxx.h,
    [AC_CHECK_LIB(gmp, mpz_init,
       [GMP_LIBS="-lgmp -lm"; found_gmp=yes],
       [AC_CHECK_LIB(gmp, __gmpz_init,
          [GMP_LIBS="-lgmp -lm"; found_gmp=yes])])])

  if test "$found_gmp" = "yes"; then
    AC_DEFINE([HAVE_GMP], 1, [Have the GMP library])
    AC_CHECK_LIB(gmpxx, main,
	[GMP_LIBS="-lgmp -lm -lgmpxx"])
    LIBS="$LIBS $GMP_LIBS"
    AC_CHECK_FUNC(__gmp_randinit, AC_DEFINE([HAVE_GMP_RANDINIT], 1, [Have the RandInit function]))
#  elif test "$with_gmp" != "no"; then
#    AC_MSG_ERROR([Can't find GMP (--without-gmp for cut-down non-GMP build)])
  fi
fi

AC_LANG_POP(C++)
AC_SUBST(GMP_LIBS)

AC_DEFINE([HOOK_STDS], 1, [Hook the standard input/outputs])

AC_CHECK_FUNCS(gethostbyname)
AC_CHECK_FUNCS(regcomp)
AC_CHECK_FUNCS(socket)

AC_PATH_PROG(gmakepath, gmake)
AC_PATH_PROG(unamepath, uname)
if test "x$unamepath" = x; then
    system="unknown"
else
    AC_MSG_CHECKING(system type)
    system=`$unamepath -s`
    AC_MSG_RESULT($system)
fi

AC_ARG_ENABLE([debug],
              [  --enable-debug          enable verbose debugging],
              AC_DEFINE(DEBUG, 1, [Enable verbose debugging]))

AC_ARG_ENABLE([efence],
              [  --enable-efence         enable compiling with electic-fence],
	      AC_SEARCH_LIBS(EF_Print, efence))

AC_CONFIG_FILES([baltisot-config
                 Makefile
                 doc/Makefile
                 include/Makefile
                 intl/Makefile
                 lib/Makefile
                 m4/Makefile
		 po/Makefile.in
                 src/Makefile
                 src/datas/Makefile], [ chmod +x baltisot-config ])
AC_OUTPUT


echo
echo \-\-\= $PACKAGE $VERSION \=\-\-
echo

echo Build System .................... : $system
echo Build Host ...................... : $host
echo Install Prefix .................. : $prefix
echo

if test _"$gmakepath" = _; then
    echo configure complete, now type \'make\'
else
    echo configure complete, now type \'gmake\'
fi