-HAVE_CARBON=no
-if test "${with_carbon}" != no; then
- AC_CHECK_HEADER(Carbon/Carbon.h, HAVE_CARBON=yes)
-fi
-if test "${window_system}" = x11 && test "${HAVE_CARBON}" = yes; then
- if test "${with_carbon+set}" != set \
- && test "${carbon_appdir_x+set}" != set; then
- for var in with_x with_x_toolkit with_xim \
- with_xpm with_jpeg with_tiff with_gif with_png; do
- if eval test \"\${$var+set}\" = set; then
- HAVE_CARBON=no
- break
- fi
- done
+HAVE_NS=no
+NS_IMPL_COCOA=no
+NS_IMPL_GNUSTEP=no
+tmp_CPPFLAGS="$CPPFLAGS"
+tmp_CFLAGS="$CFLAGS"
+CPPFLAGS="$CPPFLAGS -x objective-c"
+CFLAGS="$CFLAGS -x objective-c"
+if test "${with_ns}" != no; then
+ if test "${opsys}" = darwin; then
+ NS_IMPL_COCOA=yes
+ ns_appdir=`pwd`/nextstep/Emacs.app
+ ns_appbindir=`pwd`/nextstep/Emacs.app/Contents/MacOS
+ ns_appresdir=`pwd`/nextstep/Emacs.app/Contents/Resources
+ ns_appsrc=${srcdir}/nextstep/Cocoa/Emacs.base
+ elif test -f /etc/GNUstep/GNUstep.conf; then
+ NS_IMPL_GNUSTEP=yes
+ ns_appdir=`pwd`/nextstep/Emacs.app
+ ns_appbindir=`pwd`/nextstep/Emacs.app
+ ns_appresdir=`pwd`/nextstep/Emacs.app/Resources
+ ns_appsrc=${srcdir}/nextstep/GNUstep/Emacs.base
+ GNUSTEP_MAKEFILES="$(source /etc/GNUstep/GNUstep.conf; echo $GNUSTEP_MAKEFILES)"
+ GNUSTEP_SYSTEM_HEADERS="$(source /etc/GNUstep/GNUstep.conf; echo $GNUSTEP_SYSTEM_HEADERS)"
+ GNUSTEP_SYSTEM_LIBRARIES="$(source /etc/GNUstep/GNUstep.conf; echo $GNUSTEP_SYSTEM_LIBRARIES)"
+ CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS}"
+ CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS}"
+ REAL_CFLAGS="$REAL_CFLAGS -I${GNUSTEP_SYSTEM_HEADERS}"
+ LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES}"
+ fi
+ AC_CHECK_HEADER(AppKit/AppKit.h, HAVE_NS=yes)
+fi
+if test "${HAVE_NS}" = yes; then
+ window_system=nextstep
+ with_xft=no
+ with_freetype=no
+ # set up packaging dirs
+ exec_prefix=${ns_appbindir}
+ libexecdir=${ns_appbindir}/libexec
+ if test "${EN_NS_SELF_CONTAINED}" = yes; then
+ prefix=${ns_appresdir}