+###############################################################################
+#
+# Check for the SGI-VIDEO-CONTROL server extension.
+#
+###############################################################################
+
+#have_sgivc=no
+#with_sgivc_req=unspecified
+#AC_ARG_WITH(sgivc-ext,
+#[ --with-sgivc-ext Include support for the SGI-VIDEO-CONTROL extension.],
+# [with_sgivc="$withval"; with_sgivc_req="$withval"],[with_sgivc=yes])
+#
+#HANDLE_X_PATH_ARG(with_sgivc, --with-sgivc-ext, SGI-VIDEO-CONTROL)
+#
+#if test "$with_sgivc" = yes; then
+#
+# # first check for XSGIvc.h
+# AC_CHECK_X_HEADER(X11/extensions/XSGIvc.h, [have_sgivc=yes],,
+# [#include <X11/Xlib.h>])
+#
+# # if that succeeded, then check for the -lXsgivc
+# if test "$have_sgivc" = yes; then
+# have_sgivc=no
+# AC_CHECK_X_LIB(Xsgivc, XSGIvcQueryGammaMap,
+# [have_sgivc=yes; SAVER_LIBS="$SAVER_LIBS -lXsgivc"], [true],
+# -lXext -lX11)
+# fi
+#
+# # if that succeeded, then we've really got it.
+# if test "$have_sgivc" = yes; then
+# AC_DEFINE(HAVE_SGI_VC_EXTENSION)
+# fi
+#
+#elif test "$with_sgivc" != no; then
+# echo "error: must be yes or no: --with-sgivc-ext=$with_sgivc"
+# exit 1
+#fi
+
+
+###############################################################################
+#
+# Check for the DPMS server extension.
+#
+###############################################################################
+
+have_dpms=no
+with_dpms_req=unspecified
+
+# Check whether --with-dpms-ext was given.
+if test "${with_dpms_ext+set}" = set; then :
+ withval=$with_dpms_ext; with_dpms="$withval"; with_dpms_req="$withval"
+else
+ with_dpms=yes
+fi
+
+
+
+ case "$with_dpms" in
+ yes) ;;
+ no) ;;
+
+ /*)
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for DPMS headers" >&5
+$as_echo_n "checking for DPMS headers... " >&6; }
+ d=$with_dpms/include
+ if test -d $d; then
+ X_CFLAGS="-I$d $X_CFLAGS"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $d" >&5
+$as_echo "$d" >&6; }
+ else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found ($d: no such directory)" >&5
+$as_echo "not found ($d: no such directory)" >&6; }
+ fi
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for DPMS libs" >&5
+$as_echo_n "checking for DPMS libs... " >&6; }
+ d=$with_dpms/lib
+ if test -d $d; then
+ X_LIBS="-L$d $X_LIBS"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $d" >&5
+$as_echo "$d" >&6; }
+ else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found ($d: no such directory)" >&5
+$as_echo "not found ($d: no such directory)" >&6; }
+ fi
+
+ # replace the directory string with "yes".
+ with_dpms_req="yes"
+ with_dpms=$with_dpms_req
+ ;;
+
+ *)
+ echo ""
+ echo "error: argument to --with-dpms-ext must be \"yes\", \"no\", or a directory."
+ echo " If it is a directory, then \`DIR/include' will be added to"
+ echo " the -I list, and \`DIR/lib' will be added to the -L list."
+ exit 1
+ ;;
+ esac
+
+
+if test "$with_dpms" = yes; then
+
+ # first check for dpms.h
+
+ ac_save_CPPFLAGS="$CPPFLAGS"
+ if test \! -z "$includedir" ; then
+ CPPFLAGS="$CPPFLAGS -I$includedir"
+ fi
+ CPPFLAGS="$CPPFLAGS $X_CFLAGS"
+ CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
+ ac_fn_c_check_header_compile "$LINENO" "X11/extensions/dpms.h" "ac_cv_header_X11_extensions_dpms_h" "#include <X11/Xlib.h>
+ #include <X11/Xmd.h>
+"
+if test "x$ac_cv_header_X11_extensions_dpms_h" = xyes; then :
+ have_dpms=yes
+fi
+
+
+ CPPFLAGS="$ac_save_CPPFLAGS"
+
+ # if that succeeded, then check for the DPMS code in the libraries
+ if test "$have_dpms" = yes; then
+
+ # first look in -lXext (this is where it is with XFree86 4.0)
+ have_dpms=no
+
+ ac_save_CPPFLAGS="$CPPFLAGS"
+ ac_save_LDFLAGS="$LDFLAGS"
+# ac_save_LIBS="$LIBS"
+
+ if test \! -z "$includedir" ; then
+ CPPFLAGS="$CPPFLAGS -I$includedir"
+ fi
+ # note: $X_CFLAGS includes $x_includes
+ CPPFLAGS="$CPPFLAGS $X_CFLAGS"
+
+ if test \! -z "$libdir" ; then
+ LDFLAGS="$LDFLAGS -L$libdir"
+ fi
+ # note: $X_LIBS includes $x_libraries
+ LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
+
+ CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
+ LDFLAGS=`eval eval eval eval eval eval eval eval eval echo $LDFLAGS`
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for DPMSInfo in -lXext" >&5
+$as_echo_n "checking for DPMSInfo in -lXext... " >&6; }
+if ${ac_cv_lib_Xext_DPMSInfo+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ ac_check_lib_save_LIBS=$LIBS
+LIBS="-lXext -lXext -lX11 $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+/* Override any GCC internal prototype to avoid an error.
+ Use char because int might match the return type of a GCC
+ builtin and then its argument prototype would still apply. */
+#ifdef __cplusplus
+extern "C"
+#endif
+char DPMSInfo ();
+int
+main ()
+{
+return DPMSInfo ();
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ ac_cv_lib_Xext_DPMSInfo=yes
+else
+ ac_cv_lib_Xext_DPMSInfo=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_Xext_DPMSInfo" >&5
+$as_echo "$ac_cv_lib_Xext_DPMSInfo" >&6; }
+if test "x$ac_cv_lib_Xext_DPMSInfo" = xyes; then :
+ have_dpms=yes
+else
+ true
+fi
+
+ CPPFLAGS="$ac_save_CPPFLAGS"
+ LDFLAGS="$ac_save_LDFLAGS"
+# LIBS="$ac_save_LIBS"
+
+
+ # if that failed, look in -lXdpms (this is where it was in XFree86 3.x)
+ if test "$have_dpms" = no; then
+
+ ac_save_CPPFLAGS="$CPPFLAGS"
+ ac_save_LDFLAGS="$LDFLAGS"
+# ac_save_LIBS="$LIBS"
+
+ if test \! -z "$includedir" ; then
+ CPPFLAGS="$CPPFLAGS -I$includedir"
+ fi
+ # note: $X_CFLAGS includes $x_includes
+ CPPFLAGS="$CPPFLAGS $X_CFLAGS"
+
+ if test \! -z "$libdir" ; then
+ LDFLAGS="$LDFLAGS -L$libdir"
+ fi
+ # note: $X_LIBS includes $x_libraries
+ LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
+
+ CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
+ LDFLAGS=`eval eval eval eval eval eval eval eval eval echo $LDFLAGS`
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for DPMSInfo in -lXdpms" >&5
+$as_echo_n "checking for DPMSInfo in -lXdpms... " >&6; }
+if ${ac_cv_lib_Xdpms_DPMSInfo+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ ac_check_lib_save_LIBS=$LIBS
+LIBS="-lXdpms -lXext -lX11 $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+/* Override any GCC internal prototype to avoid an error.
+ Use char because int might match the return type of a GCC
+ builtin and then its argument prototype would still apply. */
+#ifdef __cplusplus
+extern "C"
+#endif
+char DPMSInfo ();
+int
+main ()
+{
+return DPMSInfo ();
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ ac_cv_lib_Xdpms_DPMSInfo=yes
+else
+ ac_cv_lib_Xdpms_DPMSInfo=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_Xdpms_DPMSInfo" >&5
+$as_echo "$ac_cv_lib_Xdpms_DPMSInfo" >&6; }
+if test "x$ac_cv_lib_Xdpms_DPMSInfo" = xyes; then :
+ have_dpms=yes; XDPMS_LIBS="-lXdpms"
+else
+ true
+fi
+
+ CPPFLAGS="$ac_save_CPPFLAGS"
+ LDFLAGS="$ac_save_LDFLAGS"
+# LIBS="$ac_save_LIBS"
+
+ fi
+ fi
+
+
+ # if that succeeded, then we've really got it.
+ if test "$have_dpms" = yes; then
+ $as_echo "#define HAVE_DPMS_EXTENSION 1" >>confdefs.h
+
+ fi
+
+elif test "$with_dpms" != no; then
+ echo "error: must be yes or no: --with-dpms-ext=$with_dpms"
+ exit 1
+fi
+
+
+###############################################################################
+#
+# Check for the XINERAMA server extension.
+#
+###############################################################################
+
+have_xinerama=no
+with_xinerama_req=unspecified
+
+# Check whether --with-xinerama-ext was given.
+if test "${with_xinerama_ext+set}" = set; then :
+ withval=$with_xinerama_ext; with_xinerama="$withval"; with_xinerama_req="$withval"
+else
+ with_xinerama=yes
+fi
+
+
+
+ case "$with_xinerama" in
+ yes) ;;
+ no) ;;
+
+ /*)
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for XINERAMA headers" >&5
+$as_echo_n "checking for XINERAMA headers... " >&6; }
+ d=$with_xinerama/include
+ if test -d $d; then
+ X_CFLAGS="-I$d $X_CFLAGS"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $d" >&5
+$as_echo "$d" >&6; }
+ else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found ($d: no such directory)" >&5
+$as_echo "not found ($d: no such directory)" >&6; }
+ fi
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for XINERAMA libs" >&5
+$as_echo_n "checking for XINERAMA libs... " >&6; }
+ d=$with_xinerama/lib
+ if test -d $d; then
+ X_LIBS="-L$d $X_LIBS"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $d" >&5
+$as_echo "$d" >&6; }
+ else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found ($d: no such directory)" >&5
+$as_echo "not found ($d: no such directory)" >&6; }
+ fi
+
+ # replace the directory string with "yes".
+ with_xinerama_req="yes"
+ with_xinerama=$with_xinerama_req
+ ;;
+
+ *)
+ echo ""
+ echo "error: argument to --with-xinerama-ext must be \"yes\", \"no\", or a directory."
+ echo " If it is a directory, then \`DIR/include' will be added to"
+ echo " the -I list, and \`DIR/lib' will be added to the -L list."
+ exit 1
+ ;;
+ esac
+
+
+if test "$with_xinerama" = yes; then
+
+ # first check for Xinerama.h
+
+ ac_save_CPPFLAGS="$CPPFLAGS"
+ if test \! -z "$includedir" ; then
+ CPPFLAGS="$CPPFLAGS -I$includedir"
+ fi
+ CPPFLAGS="$CPPFLAGS $X_CFLAGS"
+ CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
+ ac_fn_c_check_header_compile "$LINENO" "X11/extensions/Xinerama.h" "ac_cv_header_X11_extensions_Xinerama_h" "#include <X11/Xlib.h>
+"
+if test "x$ac_cv_header_X11_extensions_Xinerama_h" = xyes; then :
+ have_xinerama=yes
+fi
+
+
+ CPPFLAGS="$ac_save_CPPFLAGS"
+
+ # if that succeeded, then check for the XINERAMA code in the libraries
+ if test "$have_xinerama" = yes; then
+
+ # first look in -lXext
+ have_xinerama=no
+
+ ac_save_CPPFLAGS="$CPPFLAGS"
+ ac_save_LDFLAGS="$LDFLAGS"
+# ac_save_LIBS="$LIBS"
+
+ if test \! -z "$includedir" ; then
+ CPPFLAGS="$CPPFLAGS -I$includedir"
+ fi
+ # note: $X_CFLAGS includes $x_includes
+ CPPFLAGS="$CPPFLAGS $X_CFLAGS"
+
+ if test \! -z "$libdir" ; then
+ LDFLAGS="$LDFLAGS -L$libdir"
+ fi
+ # note: $X_LIBS includes $x_libraries
+ LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
+
+ CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
+ LDFLAGS=`eval eval eval eval eval eval eval eval eval echo $LDFLAGS`
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for XineramaQueryScreens in -lXext" >&5
+$as_echo_n "checking for XineramaQueryScreens in -lXext... " >&6; }
+if ${ac_cv_lib_Xext_XineramaQueryScreens+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ ac_check_lib_save_LIBS=$LIBS
+LIBS="-lXext -lXext -lX11 $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+/* Override any GCC internal prototype to avoid an error.
+ Use char because int might match the return type of a GCC
+ builtin and then its argument prototype would still apply. */
+#ifdef __cplusplus
+extern "C"
+#endif
+char XineramaQueryScreens ();
+int
+main ()
+{
+return XineramaQueryScreens ();
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ ac_cv_lib_Xext_XineramaQueryScreens=yes
+else
+ ac_cv_lib_Xext_XineramaQueryScreens=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_Xext_XineramaQueryScreens" >&5
+$as_echo "$ac_cv_lib_Xext_XineramaQueryScreens" >&6; }
+if test "x$ac_cv_lib_Xext_XineramaQueryScreens" = xyes; then :
+ have_xinerama=yes
+else
+ true
+fi
+
+ CPPFLAGS="$ac_save_CPPFLAGS"
+ LDFLAGS="$ac_save_LDFLAGS"
+# LIBS="$ac_save_LIBS"
+
+
+ # if that failed, look in -lXinerama (this is where it is in XFree86 4.1.)
+ if test "$have_xinerama" = no; then
+
+ ac_save_CPPFLAGS="$CPPFLAGS"
+ ac_save_LDFLAGS="$LDFLAGS"
+# ac_save_LIBS="$LIBS"
+
+ if test \! -z "$includedir" ; then
+ CPPFLAGS="$CPPFLAGS -I$includedir"
+ fi
+ # note: $X_CFLAGS includes $x_includes
+ CPPFLAGS="$CPPFLAGS $X_CFLAGS"
+
+ if test \! -z "$libdir" ; then
+ LDFLAGS="$LDFLAGS -L$libdir"
+ fi
+ # note: $X_LIBS includes $x_libraries
+ LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
+
+ CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
+ LDFLAGS=`eval eval eval eval eval eval eval eval eval echo $LDFLAGS`
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for XineramaQueryScreens in -lXinerama" >&5
+$as_echo_n "checking for XineramaQueryScreens in -lXinerama... " >&6; }
+if ${ac_cv_lib_Xinerama_XineramaQueryScreens+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ ac_check_lib_save_LIBS=$LIBS
+LIBS="-lXinerama -lXext -lX11 $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+/* Override any GCC internal prototype to avoid an error.
+ Use char because int might match the return type of a GCC
+ builtin and then its argument prototype would still apply. */
+#ifdef __cplusplus
+extern "C"
+#endif
+char XineramaQueryScreens ();
+int
+main ()
+{
+return XineramaQueryScreens ();
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ ac_cv_lib_Xinerama_XineramaQueryScreens=yes
+else
+ ac_cv_lib_Xinerama_XineramaQueryScreens=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_Xinerama_XineramaQueryScreens" >&5
+$as_echo "$ac_cv_lib_Xinerama_XineramaQueryScreens" >&6; }
+if test "x$ac_cv_lib_Xinerama_XineramaQueryScreens" = xyes; then :
+ have_xinerama=yes; XINERAMA_LIBS="-lXinerama"
+else
+ true
+fi
+
+ CPPFLAGS="$ac_save_CPPFLAGS"
+ LDFLAGS="$ac_save_LDFLAGS"
+# LIBS="$ac_save_LIBS"
+
+ fi
+ fi