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

TARGET="dwindows"
TARGET2="dwcompat"
AC_SUBST(TARGET)
AC_SUBST(TARGET2)

AC_DEFUN([AC_DATAROOTDIR_CHECKED])

DW_DIR=gtk
DW_SRC=dw.c
DW_DEFINE=__UNIX__
SHAREDFLAG=-shared
SOSUFFIX=so
LIBSUFFIX=a
LIBPREFIX=lib

INCLUDES="-I."

AC_PROG_CC
AC_PROG_CXX

AC_CHECK_PROG(MAKE, gmake, gmake)
if test x"$MAKE" = x; then
   AC_CHECK_PROG(MAKE, make, make)
fi
if test -d .svn; then 
   AC_CHECK_PROG(SVNVERSION, svnversion, svnversion)
fi
if test x"$SVNVERSION" = x; then
   SVNVERSION=0
else
   SVNVERSION="\` $SVNVERSION -n . | cut -d \":\" -f 1 | tr -d MS \`"
fi

AC_PROG_INSTALL

AC_SUBST(MAKE)

dnl Checks for system
AC_CANONICAL_SYSTEM

dnl ---------------------- check for '--with-dwcompat' switch -----------------
AC_ARG_WITH(dwcompat,
   [  --with-dwcompat         specify this to build the optional dwcompat library],
   [with_dwcompat=$withval],
   [with_dwcompat=no],
)

dnl ---------------------- check for '--with-gtk3' switch -----------------
AC_ARG_WITH(gtk3,
   [  --with-gtk3             specify this to build with GTK+ 3.x if available],
   [with_gtk3=$withval],
   [with_gtk3=no],
)

dnl ---------------------- default targets to build -----------------
if test $with_dwcompat = yes; then
   COMPAT_OBJECT="dwcompat.o"
   INSTALL_COMPAT="installdwcompat"
   SYSCONF_LINK_TARGET_SHARED2="lib$TARGET2.$SOSUFFIX.\$(DW_MAJOR_VERSION).\$(DW_MINOR_VERSION)"
else
   COMPAT_OBJECT=""
   INSTALL_COMPAT=""
   SYSCONF_LINK_TARGET_SHARED2=""
fi
SYSCONF_LINK_TARGET_SHARED="lib$TARGET.$SOSUFFIX.\$(DW_MAJOR_VERSION).\$(DW_MINOR_VERSION)"
SYSCONF_LINK_TARGET_STATIC="lib$TARGET.a"

dnl ---------------------- check for '--with-gtk+' switch -----------------
AC_ARG_WITH(gtk,
   [  --with-gtk              specify this to build dwindows with GTK+ (only relevant for OSX)],
   [with_gtk=$withval],
   [with_gtk=no],
)

dnl ---------------------- check for '--with-gtkframework' switch -----------------
AC_ARG_WITH(gtkframework,
   [  --with-gtkframework     specify this to build dwindows with GTK+ Framework (only relevant for OSX)],
   [with_gtkframework=$withval],
   [with_gtkframework=no],
)

dnl ---------------------- check for '--with-gtkhtml' switch -----------------
AC_ARG_WITH(gtkhtml,
   [  --with-gtkhtml          specify this to build dwindows with libgtkhtml-2],
   [with_gtkhtml=$withval],
   [with_gtkhtml=no],
)

dnl ---------------------- check for '--with-gtkmozembed' switch -----------------
AC_ARG_WITH(gtkmozembed,
   [  --with-gtkmozembed      specify this to build dwindows with Mozilla gtkmozembed],
   [with_gtkmozembed=$withval],
   [with_gtkmozembed=no],
)

dnl ---------------------- check for '--with-arch' switch -----------------
AC_ARG_WITH(arch,
   [  --with-arch             specify architecture: one of all, 32bit, 64bit, intel, ppc, ppc64, x86_64, i386],
   [with_arch=$withval],
   [with_arch=no],
)

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(vsnprintf, AC_DEFINE(HAVE_VSNPRINTF,1,Determine whether we have the vsnprintf 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",)

build_gtk="yes"
check_pthreads="yes"
TARGETS="$SYSCONF_LINK_TARGET_SHARED $SYSCONF_LINK_TARGET_SHARED2"
PLATLIBS=""
SONAME=""
PLATCCFLAGS="-g -O2 -fPIC -Wall"
ARFLAGS="cqs"

case "$target" in
   *cygwin*)
   ;;
   *mingw32)
      AC_DEFINE(DW_USE_GTK)
   ;;
   *linux*)
      SONAME="-Wl,-soname,lib$TARGET.so.\$(DW_MAJOR_VERSION)"
   ;;
   *nto-qnx*)
      DW_DIR="photon"
      DW_DEFINE=__PHOTON__
      build_gtk="no"
   ;;
   *qnx*)
      DW_DIR="photon"
      DW_DEFINE=__PHOTON__
      build_gtk="no"
      check_pthreads="no"
      LIBSUFFIX="lib"
      LIBPREFIX=""
      SYSCONF_LINK_TARGET_STATIC="$TARGET.lib"
      TARGETS="$TARGET.lib"
      PLATCCFLAGS=""
      PLATLIBS="-lphoton_s -lphexlib3r"
      ARFLAGS="r"
   ;;
   *apple-darwin*)
      case "$with_arch" in
         no)
            ARCH=""
            ;;
         all)
            ARCH="-arch ppc -arch ppc64 -arch x86_64 -arch i386"
            ;;
         32bit)
            ARCH="-arch ppc -arch i386"
            ;;
         64bit)
            ARCH="-arch ppc64 -arch x86_64"
            ;;
         intel)
            ARCH="-arch i386 -arch x86_64"
            ;;
         *)
            ARCH="-arch $with_arch"
            ;;
      esac
      SHAREDFLAG="-dynamiclib -flat_namespace -undefined suppress -headerpad_max_install_names"
      SOSUFFIX=dylib
      if test $with_gtkframework = yes; then
         DW_DIR=gtk
         LIBS="$LIBS -framework Gtk -framework Glib -framework Cairo"
         GTK_CFLAGS="-I/Library/Frameworks/Gtk.framework/Headers -I/Library/Frameworks/Glib.framework/Headers -I/Library/Frameworks/Cairo.framework/Headers"
         build_gtk="no"
      elif test $with_gtk = yes; then
         build_gtk="yes"
      else
         DW_DIR=mac
         DW_SRC=dw.m
         DW_DEFINE=__MAC__
         LIBS="$LIBS -framework Cocoa -framework WebKit"
         build_gtk="no"
      fi
   ;;
   *)
   ;;
esac

if test $build_gtk = "yes"; then
   AC_CHECK_PROG(PKG_CFG, pkg-config, pkg-config)
   if test x"$PKG_CFG" != x; then
      GTK_LIBS=""
      if test $with_gtk3 = "yes"; then
         GTK_PACKAGES="gtk+-3.0"
         GTK_LIBS=`$PKG_CFG --silence-errors --libs $GTK_PACKAGES`
      fi
      WEBKIT_PKG="webkit-1.1"
      if test x"$GTK_LIBS" = x; then
         GTK_PACKAGES="gtk+-2.0 gthread-2.0"
         GTK_LIBS=`$PKG_CFG --silence-errors --libs $GTK_PACKAGES`
      else
         DW_DIR=gtk3
         WEBKIT_PKG="webkitgtk-3.0"
      fi
      if test $with_gtkmozembed = yes; then
         MOZEMBED_LIBS=`$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
      elif test $with_gtkhtml = yes; then
         MOZEMBED_LIBS=`$PKG_CFG --silence-errors --libs libgtkhtml-2.0`
         MOZEMBED_CFLAGS=`$PKG_CFG --silence-errors --cflags libgtkhtml-2.0`
         RPATH=`$PKG_CFG --silence-errors --libs-only-L libgtkhtml-2.0 | cut -b 3-`
      else
         # test for webkit-1.1 or webkitgtk-3.0 packages
         MOZEMBED_CFLAGS=`$PKG_CFG --silence-errors --cflags $WEBKIT_PKG`
         RPATH=`$PKG_CFG --silence-errors --libs-only-L $WEBKIT_PKG | cut -b 3-`
         if test x"$MOZEMBED_CFLAGS" = x; then
            # no webkit-1.1 or webkitgtk-3.0, look for webkit-1.0
            WEBKIT_PKG="webkit-1.0"
            MOZEMBED_CFLAGS=`$PKG_CFG --silence-errors --cflags $WEBKIT_PKG`
            RPATH=`$PKG_CFG --silence-errors --libs-only-L $WEBKIT_PKG | cut -b 3-`
            if test x"$MOZEMBED_CFLAGS" = x; then
               WEBKIT_PKG="WebKitGtk"
               MOZEMBED_LIBS=`$PKG_CFG --silence-errors --libs $WEBKIT_PKG`
               MOZEMBED_CFLAGS=`$PKG_CFG --silence-errors --cflags $WEBKIT_PKG`
               RPATH=`$PKG_CFG --silence-errors --libs-only-L $WEBKIT_PKG | cut -b 3-`
            else
               AC_DEFINE(USE_WEBKIT10)
               WEBKIT_LIB=$WEBKIT_PKG
               MOZEMBED_LIBS=`$PKG_CFG --silence-errors --libs $WEBKIT_PKG`
               RESULT=`echo $MOZEMBED_LIBS | grep lwebkitgtk-1.0`
               if test x"$RESULT" != x; then
                   WEBKIT_LIB=webkitgtk-1.0
               fi
            fi
         else
            AC_DEFINE(USE_WEBKIT11)
            WEBKIT_LIB=$WEBKIT_PKG
         fi
         AC_DEFINE_UNQUOTED(WEBKIT_LIB, "$WEBKIT_LIB")
      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 $GTK_PACKAGES`
      GTK_LIBS=`$PKG_CFG --libs $GTK_PACKAGES`
   fi
fi

if test $check_pthreads = "yes"; then
   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_CHECK_LIB(c,
                                                       pthread_attr_init,
                                                       PTHREAD_LIBS="-lc",
                                                       AC_MSG_ERROR(pthread library not found. dwindows cannot build without it.)
                                                      )
                                         )
                            )
               )
fi

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

BROWSER_OBJECT=""
if test x"$MOZEMBED_CFLAGS" != x; then
   SAVE_LIBS="$LIBS"
   LIBS="$RPATH $LIBS $GTK_LIBS $PTHREAD_LIBS $GDK_IMLIB_LIBS $MOZEMBED_LIBS"
   BROWSER_OBJECT="browser.o"
   if test $with_gtkmozembed = yes; then
      AC_CHECK_LIB(gtkembedmoz,gtk_moz_embed_new,AC_DEFINE(USE_GTKMOZEMBED),BROWSER_OBJECT="")
   elif test $with_gtkhtml = yes; then
      AC_CHECK_LIB(gtkhtml-2,html_document_new,AC_DEFINE(USE_LIBGTKHTML2),BROWSER_OBJECT="")
   else
      AC_CHECK_LIB($WEBKIT_LIB,webkit_web_view_new,AC_DEFINE(USE_WEBKIT),BROWSER_OBJECT="")
      BROWSER_OBJECT=""
   fi
   LIBS="$SAVE_LIBS"
fi

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

AC_CHECK_FUNCS(ubuntu_overlay_scrollbar_set_enabled, AC_DEFINE(HAVE_OVERLAY_SCROLLBARS,1,Define if we have Ubuntu overlay scrollbars))
AC_CHECK_FUNCS(ubuntu_gtk_set_use_overlay_scrollbar, AC_DEFINE(HAVE_OVERLAY_SCROLLBARS2,1,Define if we have Ubuntu overlay scrollbars))

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

AC_SUBST(SYSCONF_LINK_TARGET_SHARED)
AC_SUBST(SYSCONF_LINK_TARGET_SHARED2)
AC_SUBST(SYSCONF_LINK_TARGET_STATIC)

AC_SUBST(INCLUDES)
AC_SUBST(PLATCCFLAGS)
AC_SUBST(ARFLAGS)
AC_SUBST(RM)
AC_SUBST(LN)
AC_SUBST(CP)
AC_SUBST(MV)
AC_SUBST(MKDIR)
AC_SUBST(SHAREDFLAG)
AC_SUBST(SOSUFFIX)
AC_SUBST(LIBSUFFIX)
AC_SUBST(LIBPREFIX)
AC_SUBST(SONAME)
AC_SUBST(TARGETS)

AC_SUBST(DW_SRC)
AC_SUBST(DW_DIR)
AC_SUBST(DW_DEFINE)
AC_SUBST(BROWSER_OBJECT)
AC_SUBST(COMPAT_OBJECT)
AC_SUBST(INSTALL_COMPAT)

AC_SUBST(ARCH)

AC_CONFIG_FILES([
Makefile
dwindows1.pc
dwindows-config1 ])
AC_OUTPUT