AC_INIT([Rappture],[1.4],[rappture@nanohub.org])
AC_CONFIG_AUX_DIR(cf)

RAPPTURE_MAJOR_VERSION=1
RAPPTURE_MINOR_VERSION=4
RAPPTURE_RELEASE_SERIAL=0

#------------------------------------------------------------------------
# Handle the --prefix=... option
#------------------------------------------------------------------------

if test "${prefix}" = "NONE"; then
    prefix=/usr/local
fi
if test "${exec_prefix}" = "NONE"; then
    exec_prefix=$prefix
fi

AC_PROG_INSTALL
AC_PROG_INSTALL
AC_PROG_RANLIB
AC_PROG_LN_S
AC_PROG_MKDIR_P
AC_PROG_MAKE_SET

# Check for C, C++, and FORTRAN 
AC_PROG_CC
AC_PROG_CXX
# Avoid g95 
AC_PROG_F77([g77 gfortran f77 fort77 f90 xlf xlf90 fl32])

AC_LANG([C])

AC_HEADER_STDC
AC_CHECK_FUNC(atol,,AC_MSG_ERROR(oops! no atol ?!?))

AC_LANG([C++])
AC_PATH_X

AC_ARG_WITH(
    [install],
    [AS_HELP_STRING([--with-install[=DIR]],
        [location of installation @<:@default=yes@:>@])],
    [],
    [with_install=yes])

if test "$with_install" != "yes"; then
    INSTALL_PREFIX=$with_install
else
    INSTALL_PREFIX=$prefix
fi

if test "${libdir}" != "${prefix}/lib"; then
    LIB_SEARCH_DIRS="-L${prefix}/lib -L${libdir}"
else
    LIB_SEARCH_DIRS="-L${libdir}"
fi

HAVE_VTK=""
AC_ARG_WITH(
    [vtk],
    [AS_HELP_STRING([--with-vtk],
        [Build VTK for rappture])],
    [HAVE_VTK=$withval],
    [HAVE_VTK=""])

AC_CHECK_FUNCS(sysinfo)
AC_CHECK_FUNCS(gettimeofday)
AC_CHECK_FUNC(localtime,,AC_MSG_ERROR(oops! no localtime ?!?))
AC_CHECK_FUNC(getenv,,AC_MSG_ERROR(oops! no getenv ?!?))

AC_CHECK_HEADERS(sys/sysinfo.h)

AC_CHECK_LIB(ncurses, clrtoeol,,AC_MSG_ERROR([ncurses library missing?]))
AC_CHECK_HEADERS(ncurses.h,,AC_MSG_WARN(ncurses headers missing ?))

AC_CHECK_LIB(stdc++, main,,AC_MSG_ERROR(librappture requires libstdc++))
AC_CHECK_HEADERS(algorithm,,AC_MSG_WARN(STL classes missing ?))
AC_CHECK_HEADERS(cctype,,AC_MSG_WARN(STL classes missing ?))
AC_CHECK_HEADERS(cfloat,,AC_MSG_WARN(STL classes missing ?))
AC_CHECK_HEADERS(cmath,,AC_MSG_WARN(STL classes missing ?))
AC_CHECK_HEADERS(cstdio,,AC_MSG_WARN(STL classes missing ?))
AC_CHECK_HEADERS(cstdlib,,AC_MSG_WARN(STL classes missing ?))
AC_CHECK_HEADERS(cstring,,AC_MSG_WARN(STL classes missing ?))
AC_CHECK_HEADERS(fstream,,AC_MSG_WARN(STL classes missing ?))
AC_CHECK_HEADERS(list,,AC_MSG_WARN(STL classes missing ?))
AC_CHECK_HEADERS(iostream,,AC_MSG_WARN(STL classes missing ?))
AC_CHECK_HEADERS(iterator,,AC_MSG_WARN(STL classes missing ?))
AC_CHECK_HEADERS(sstream,,AC_MSG_WARN(STL classes missing ?))
AC_CHECK_HEADERS(stack,,AC_MSG_WARN(STL classes missing ?))
AC_CHECK_HEADERS(string,,AC_MSG_WARN(STL classes missing ?))
AC_CHECK_HEADERS(vector,,AC_MSG_WARN(STL classes missing ?))

AC_CHECK_HEADERS(assert.h,,AC_MSG_WARN(C headers missing ?))
AC_CHECK_HEADERS(ctype.h,,AC_MSG_WARN(C headers missing ?))
AC_CHECK_HEADERS(errno.h,,AC_MSG_WARN(C headers missing ?))
AC_CHECK_HEADERS(limits.h,,AC_MSG_WARN(C headers missing ?))
AC_CHECK_HEADERS(string.h,,AC_MSG_WARN(C headers missing ?))
AC_CHECK_HEADERS(stdlib.h,,AC_MSG_WARN(C headers missing ?))
AC_CHECK_HEADERS(stddef.h,,AC_MSG_WARN(C headers missing ?))
AC_CHECK_HEADERS(float.h,,AC_MSG_WARN(C headers missing ?))
AC_CHECK_HEADERS(math.h,,AC_MSG_WARN(C headers missing ?))
dnl AC_CHECK_HEADERS(ieeefp.h,,AC_MSG_WARN(C headers missing ?))
AC_CHECK_HEADERS(malloc.h,,AC_MSG_WARN(C headers missing ?))
AC_CHECK_HEADERS(memory.h,,AC_MSG_WARN(C headers missing ?))
AC_CHECK_HEADERS(unistd.h,,AC_MSG_WARN(C headers missing ?))

AC_CHECK_HEADERS(inttypes.h,,AC_MSG_WARN(C headers missing ?))
if test "${ac_cv_header_inttypes_h}" = "yes" ; then
  HAVE_INTTYPES_H=1
else
  HAVE_INTTYPES_H=0
fi


SVN_VERSION=`svnversion $srcdir`

make_command=""
for m in "$MAKE" make gmake gnumake ; do
  if test "x${m}" != "x" ; then
    if  ( sh -c "$m --version" 2>/dev/null | grep GNU >/dev/null ) ; then
      make_command=$m; break;
    fi
  fi
done
if test "x${make_command}" = "x" ; then
  AC_MSG_ERROR([Requires GNU make. You can specify a version with \$MAKE])
fi

AC_ARG_ENABLE(
    [lang],
    [AS_HELP_STRING([--enable-lang], [build language bindings @<:@default=yes@:>@])],
    [],
    [enable_lang=yes])

ENABLE_LANG=
if test "$enable_lang" != "no" ; then
    ENABLE_LANG="yes"
fi

AC_ARG_ENABLE(
    [gui],
    [AS_HELP_STRING([--enable-gui], [build code related to the graphical user interface @<:@default=yes@:>@])],
    [],
    [enable_gui=yes])

ENABLE_GUI=
if test "$enable_gui" != "no" ; then
    ENABLE_GUI="yes"
fi

TCL_VERSION="8.5"
TK_VERSION="8.5"

for dir in \
 ${exec_prefix} \
 ${exec_prefix}/lib ; do 
  tclconfig="${dir}/tclConfig.sh"
  if test -f "$tclconfig" ; then
    . $tclconfig
    break
  fi
done

AC_ARG_WITH(
    [ffmpeg],
    [AS_HELP_STRING([--with-ffmpeg[=DIR]],
      [location of ffmpeg @<:@default=yes@:>@])],
    [],
    [with_ffmpeg=yes])

TCL_INC_SPEC="$TCL_INCLUDE_SPEC"

AC_ARG_WITH(
    [vtk],
    [AS_HELP_STRING([--with-vtk[=version]],
        [VTK library version @<:@default=6.1@:>@])],
    [], 
    [with_vtk=yes])

AC_MSG_CHECKING([for vtk])
VTK_VERSION=6.1
VTK_TCL_DIR=""

ENABLE_VTK=
if test "$with_vtk" != "no" ; then
  if test "$with_vtk" != "yes" ; then
    VTK_VERSION=$with_vtk
  fi
  if test "x$with_vtk" != "x" ; then
    ENABLE_VTK=yes
    for path in \
     $libdir/tcltk \
     $exec_prefix/lib/tcltk \
     $prefix/lib/tcltk \
     $libdir \
     $prefix/lib \
     $exec_prefix/lib \
     /usr/lib
    do
      if test -d "$path/vtk-$VTK_VERSION" ; then
        VTK_TCL_DIR="$path/vtk-$VTK_VERSION"
      fi
      if test "x${VTK_TCL_DIR}" != "x" ; then
        break
      fi
    done
  fi
else
  if test "${ENABLE_GUI}" = "yes" ; then
    AC_MSG_WARN([VTK missing: Rappture GUI requires VTK for some features])
  fi
fi
AC_MSG_RESULT([$VTK_TCL_DIR])

AC_ARG_ENABLE(
    [vtkdicom],
    [AS_HELP_STRING([--enable-vtkdicom],
        [Use vtkDICOM package @<:@default=no@:>@])],
    [], 
    [enable_vtkdicom=no])

AC_MSG_CHECKING([for vtkDICOM])
ENABLE_VTK_DICOM=
if test "$enable_vtkdicom" != "no" ; then
    ENABLE_VTK_DICOM="yes"
fi
AC_MSG_RESULT([$enable_vtkdicom])

RP_BASE=`pwd`

#--------------------------------------------------------------------
# This macro figures out what flags to use with the compiler/linker
# when building shared/static debug/optimized objects.  This information
# is all taken from the tclConfig.sh file.
#--------------------------------------------------------------------

if test -f "${exec_prefix}/lib/tclConfig.sh" ; then
  . ${exec_prefix}/lib/tclConfig.sh
fi
if test -f "${exec_prefix}/lib/tkConfig.sh" ; then
  . ${exec_prefix}/lib/tkConfig.sh
fi

# -----------------------------------------------------------------------
#
# Compiler characteristics:
#   Check for existence of types of size_t and pid_t
#
# -----------------------------------------------------------------------

AC_C_BIGENDIAN
AC_CHECK_SIZEOF(int)
AC_CHECK_SIZEOF(long)
AC_CHECK_SIZEOF(long long)
AC_CHECK_SIZEOF(void *)

SIZEOF_LONG="${ac_cv_sizeof_long}"
SIZEOF_LONG_LONG="${ac_cv_sizeof_long_long}"
SIZEOF_VOID_P="${ac_cv_sizeof_void_p}"
SIZEOF_INT="${ac_cv_sizeof_int}"


#--------------------------------------------------------------------
# Set the default compiler switches based on the --enable-symbols
# option.
#--------------------------------------------------------------------

SC_ENABLE_SYMBOLS

AC_SUBST(CFLAGS_DEBUG)
AC_SUBST(CFLAGS_OPTIMIZE)
AC_SUBST(ENABLE_LANG)
AC_SUBST(ENABLE_GUI)
AC_SUBST(ENABLE_VTK)
AC_SUBST(ENABLE_VTK_DICOM)
AC_SUBST(HAVE_INTTYPES_H)
AC_SUBST(INSTALL_PREFIX)
AC_SUBST(LIB_SEARCH_DIRS)
AC_SUBST(MAKE, ${make_command})
AC_SUBST(SVN_VERSION)
AC_SUBST(RP_BASE)
AC_SUBST(SHLIB_CFLAGS)
AC_SUBST(SHLIB_LD)
AC_SUBST(SHLIB_LDFLAGS)
AC_SUBST(SHLIB_SUFFIX)
AC_SUBST(SIZEOF_INT)
AC_SUBST(SIZEOF_LONG)
AC_SUBST(SIZEOF_LONG_LONG)
AC_SUBST(SIZEOF_VOID_P)
AC_SUBST(STLIB_LD)
AC_SUBST(TCL_INC_SPEC)
AC_SUBST(TCL_LIB_SPEC)
AC_SUBST(TCL_CFLAGS_DEBUG)
AC_SUBST(TCL_CFLAGS_OPTIMIZE)
AC_SUBST(TCL_SHLIB_CFLAGS)
AC_SUBST(TCL_SHLIB_LD)
AC_SUBST(TCL_SHLIB_LDFLAGS)
AC_SUBST(TCL_SHLIB_SUFFIX)
AC_SUBST(TCL_VERSION)
AC_SUBST(TCL_VERSION)
AC_SUBST(TK_INC_SPEC)
AC_SUBST(TK_LIB_SPEC)
AC_SUBST(TCL_CFLAGS_DEBUG)
AC_SUBST(TCL_SHLIB_CFLAGS)
AC_SUBST(TCL_SHLIB_SUFFIX)
AC_SUBST(TCL_SHLIB_LD)
AC_SUBST(TCL_SHLIB_LDFLAGS)
AC_SUBST(TK_XLIBSW)
AC_SUBST(TK_VERSION)
AC_SUBST(VTK_TCL_DIR)
AC_SUBST(VTK_VERSION)
AC_SUBST(XSUBPP)
AC_SUBST(STATSDIR)
AC_SUBST(X_INCLUDES)
AC_SUBST(X_LIBRARIES)
AC_SUBST(WORDSIZE)
AC_SUBST(RAPPTURE_MAJOR_VERSION)
AC_SUBST(RAPPTURE_MINOR_VERSION)
AC_SUBST(RAPPTURE_RELEASE_SERIAL)
AC_SUBST(HAVE_VTK)

dnl read Makefile.in and write Makefile
AC_CONFIG_FILES([
    Makefile
    fixrunpaths.tcl
    apps/Makefile
    apps/about
    apps/copy_rappture_examples
    apps/encodedata
    apps/rappture
    apps/rappture-csh.env
    apps/rappture.env
    apps/rappture.use
    apps/rerun
    apps/simsim
    apps/xmldiff
])
AC_OUTPUT