dnl Process this file with autoconf to produce a configure script.
AC_INIT(src/fluxspace.cc)

AM_INIT_AUTOMAKE(fluxspace, 0.0.3)

AC_PREFIX_DEFAULT(/usr/local)

AC_CHECK_PROGS(regex_cmd, sed)
if test x$regex_cmd = "x"; then
 AC_MSG_ERROR([error. sed is required to build the default bbtoolsrc file.])
fi

dnl get the debug values right
AC_DEFUN(AC_SET_DEBUG,
[
 test "$CFLAGS" = "" && CFLAGS="-g -Wall -DDEBUG"
 test "$CXXFLAGS" = "" && CXXFLAGS="-g -Wall -DDEBUG"
 test "$LDFLAGS" = "" && LDFLAGS=""
])

AC_DEFUN(AC_SET_NODEBUG,
[
 test "$CFLAGS" = "" && CFLAGS="-O2 -Wall"
 test "$CXXFLAGS" = "" && CXXFLAGS="-O2 -Wall"
 test "$LDFLAGS" = "" && LDFLAGS="-s"
])
      

AC_ARG_ENABLE(debug,[  --enable-debug	create debugging code [default=no]],
[
if test $enableval = "no";
 then AC_SET_NODEBUG
 else AC_SET_DEBUG
fi
],
AC_SET_NODEBUG)

dnl Checks for programs.
dnl needed by configure itsself
AC_PROG_CC
AC_PROG_CXX
AC_PROG_INSTALL
AC_PROG_SWIG
AM_PROG_LIBTOOL

AC_HEADER_STDC
AC_CHECK_HEADERS(ctype.h fcntl.h libgen.h locale.h process.h signal.h stdio.h time.h unistd.h sys/param.h sys/select.h sys/stat.h sys/time.h sys/types.h sys/wait.h)
AC_HEADER_TIME

AC_CHECK_FUNCS(setlocale sigaction strftime)

AC_PATH_X
AC_PATH_XTRA

CFLAGS="$CFLAGS $X_CFLAGS"
CXXFLAGS="$CXXFLAGS $X_CFLAGS"
LDFLAGS="$LDFLAGS $X_LIBS $X_PRE_LIBS"
dnl Checks for X libraries.
AC_CHECK_LIB(X11, XOpenDisplay, LDFLAGS="$LDFLAGS -lX11",
             AC_MSG_ERROR(XOpenDisplay not found in -lX11))

LDFLAGS="$LDFLAGS $X_EXTRA_LIBS"

AC_MSG_CHECKING(for pixmap support)
AC_ARG_WITH(imlib,
[  --with-imlib[=DIR]      compile with Imlib support (Imlib residing in DIR/lib) (default)], [
            if test "$withval" != "no"; then 
              AC_MSG_RESULT(yes)
              if test "$withval" != "yes"; then
                CPPFLAGS="$CPPFLAGS -I${withval}/include"
                LDFLAGS="$LDFLAGS -L${withval}/lib"
              fi
              USE_IMLIB=1
            else
              AC_MSG_RESULT(no)
              GRLIBS=""
              USE_IMLIB=0
              AC_WARN(*** Pixmap support has been disabled at your request.  This ***)
              AC_WARN(*** is generally a bad idea since it really doesn't save    ***)
              AC_WARN(*** much memory.  And the developers almost never test that ***)
              AC_WARN(*** configuration.  So I'd reconsider if I were you....     ***)
            fi], [AC_MSG_RESULT(yes)
                USE_IMLIB=1
])
if test $USE_IMLIB -eq 1 ; then
  AC_CHECK_LIB(dl, dlopen, GRLIBS="-ldl", , $GRLIBS)
  AC_CHECK_LIB(ttf, TT_Init_FreeType, GRLIBS="-lttf $GRLIBS", , $GRLIBS)
  AC_CHECK_LIB(Imlib2, imlib_create_image, [
               GRLIBS="-lImlib2 $GRLIBS"
               AC_DEFINE(HAVE_LIBIMLIB2)
               AC_DEFINE(PIXMAP_SUPPORT)
               AC_DEFINE(BACKING_STORE)
              ], [
               AC_WARN(*** Pixmap support has been disabled because Imlib2 was not found ***)
               AC_WARN(*** or could not be linked.  Eterm should still work, but it will ***)
               AC_WARN(*** not be very happy.  Check config.log for more detailed        ***)
               AC_WARN(*** information on why my attempt to link with Imlib2 failed.     ***)
              ], $GRLIBS)
  LDFLAGS="$LDFLAGS $GRLIBS"
fi

dnl AM_PATH_PYTHON(2.2)
AM_PATH_PYTHON
AC_MSG_CHECKING(for python >= 2.2)
prog="
import sys, string
minver = (2,2,0,'final',0)
if sys.version_info < minver:
  sys.exit(1)
sys.exit(0)"
if $PYTHON -c "$prog" 1>&AC_FD_CC 2>&AC_FD_CC
then
  AC_MSG_RESULT(okay)
else
  AC_MSG_ERROR(too old)
fi

AM_CHECK_PYTHON_HEADERS(,[AC_MSG_ERROR(could not find Python headers)])
AM_CHECK_PYTHON_LIBS(,[AC_MSG_ERROR(could not find Python libraries)])

dnl Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS(malloc.h)

dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_HEADER_TIME
AC_STRUCT_TM

dnl Checks for library functions.
AC_CHECK_FUNCS(select strstr)

AC_OUTPUT(Makefile
version.h
src/Makefile
bin/Makefile
fluxlet/Makefile
modules/Makefile
doc/Makefile
examples/Makefile
)