AC_INIT(winmain.c)
AC_CONFIG_HEADER(config.h)

DW_MAJOR_VERSION=1
DW_MINOR_VERSION=1
DW_SUB_VERSION=0

DW_SRC=gtk
DW_DEFINE=__UNIX__
SHAREDFLAG=-shared
SOSUFFIX=so
AC_SUBST(DW_MAJOR_VERSION)
AC_SUBST(DW_MINOR_VERSION)
AC_SUBST(DW_SUB_VERSION)

INCLUDES="-I."

AC_PROG_CC
AC_PROG_CXX

AC_CHECK_PROG(MAKE, gmake, gmake)
if test x"$MAKE" = x; then
   AC_CHECK_PROG(MAKE, make, make)
fi

AC_PROG_INSTALL

AC_SUBST(MAKE)

AC_HEADER_STDC
AC_HEADER_DIRENT
AC_CHECK_HEADERS(unistd.h)
AC_CHECK_HEADERS(sys/stat.h)

AC_CHECK_FUNCS(pipe, AC_DEFINE(HAVE_PIPE,1,Determine whether we have the pipe function))

AC_CHECK_FUNCS(connect)
if test x"$ac_cv_func_connect" = x"no"; then
   if test -z "$libsocket"; then
      AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket",)
   fi

   dnl this is for isc.  need the nsl_s library as well.
   if test -z "$libinet"; then
      AC_CHECK_LIB(inet, socket, libnsl=1; LIBS="$LIBS -linet -lnsl_s",)
   fi

   if test -z "$libnsl"; then
      AC_CHECK_LIB(nsl, gethostname, LIBS="$LIBS -lnsl",)
   fi
fi

AC_CHECK_LIB(sun, getpwnam, LIBS="$LIBS -lsun",)
AC_CHECK_LIB(dgc, inet_addr, LIBS="$LIBS -ldgc",)
AC_CHECK_LIB(resolv, gethostbyname, LIBS="$LIBS -lresolv",)

OPSYSTEM=`uname -s`

if test $OPSYSTEM = "Darwin"; then
   DW_SRC=mac
   DW_DEFINE=__MAC__
   SHAREDFLAG=-dynamiclib
   SOSUFFIX=dylib
   LIBS="$LIBS -framework Carbon"
else
   AC_CHECK_PROG(PKG_CFG, pkg-config, pkg-config)
   if test x"$PKG_CFG" != x; then
      GTK_LIBS=`$PKG_CFG --silence-errors --libs gtk+-2.0 gthread-2.0`
      MOZEMBED_LIBS=`$PKG_CFG --silence-errors --libs firefox-gtkmozembed`
      MOZEMBED_CFLAGS=`$PKG_CFG --silence-errors --cflags firefox-gtkmozembed`
      RPATH=`$PKG_CFG --silence-errors --libs-only-L firefox-gtkmozembed | cut -b 3-`
      if test x"$MOZEMBED_LIBS" = x; then
         MOZEMBED_LIBS=`$PKG_CFG --silence-errors --libs mozilla-gtkmozembed`
         MOZEMBED_CFLAGS=`$PKG_CFG --silence-errors --cflags mozilla-gtkmozembed`
         RPATH=`$PKG_CFG --silence-errors --libs-only-L mozilla-gtkmozembed | cut -b 3-`
      fi
      if test x"$RPATH" != x; then
         RPATH="-Wl,-R$RPATH"
      fi
   fi

   if test x"$GTK_LIBS" = x; then
      AM_PATH_GLIB(1.2.0,,AC_MSG_ERROR(AC_MSG_ERROR(Cannot find GLIB: Is glib-config in path?)))
      AM_PATH_GTK(1.2.0,,AC_MSG_ERROR(AC_MSG_ERROR(Cannot find GTK: Is gtk-config in path?)), gthread)
      AM_PATH_GDK_IMLIB(1.9.4, AC_DEFINE(USE_IMLIB), AC_MSG_ERROR(IMLIB not found or too old. Dynamic Windows cannot build without it.))
   else
      GTK_CFLAGS=`$PKG_CFG --cflags gtk+-2.0 gthread-2.0`
      GTK_LIBS=`$PKG_CFG --libs gtk+-2.0 gthread-2.0`
   fi
fi

AC_CHECK_HEADER(pthread.h,,AC_MSG_ERROR([pthread header not found. Dynamic Windows cannot build without it.]))
AC_CHECK_LIB(pthread,
             pthread_attr_init,
             PTHREAD_LIBS="-lpthread",
             AC_CHECK_LIB(pthreads,
                          pthread_attr_init,
                          PTHREAD_LIBS="-lpthreads",
                          AC_CHECK_LIB(c_r,
                                       pthread_attr_init,
                                       PTHREAD_LIBS="-lc_r",
                                       AC_MSG_ERROR(pthread library not found. dwindows cannot build without it.
                                                   )
                                      )
                         )
            )

CFLAGS="$CFLAGS $GTK_CFLAGS $GDK_IMLIB_FLAGS $MOZEMBED_CFLAGS"

if test x"$MOZEMBED_LIBS" != x; then
   SAVE_LIBS="$LIBS"
   LIBS="$RPATH $LIBS $GTK_LIBS $PTHREAD_LIBS $GDK_IMLIB_LIBS $MOZEMBED_LIBS"
   AC_CHECK_LIB(gtkembedmoz,gtk_moz_embed_new,AC_DEFINE(USE_GTKMOZEMBED),)
   LIBS="$SAVE_LIBS"
fi

LIBS="$RPATH $LIBS $GTK_LIBS $PTHREAD_LIBS $GDK_IMLIB_LIBS $MOZEMBED_LIBS"

RM="rm -f"
LN="ln -s"
CP="cp"
MV="mv"
MKDIR="mkdir"


AC_SUBST(INCLUDES)
AC_SUBST(RM)
AC_SUBST(LN)
AC_SUBST(CP)
AC_SUBST(MV)
AC_SUBST(MKDIR)
AC_SUBST(SHAREDFLAG)
AC_SUBST(SOSUFFIX)

AC_SUBST(DW_SRC)
AC_SUBST(DW_DEFINE)

AC_CONFIG_FILES([
Makefile
dw-config ])
AC_OUTPUT