+dnl
+dnl Check for the Xinerama extension
+dnl
+if test "${enable_xvideo}" != "no" &&
+ (test "${SYS}" != "mingw32" || test "${enable_xvideo}" = "yes"); then
+ ac_cv_have_xinerama="no"
+ CPPFLAGS="${CPPFLAGS_save} -I${x_includes}"
+ CFLAGS="${CFLAGS_save} -L${x_libraries} -lX11 -lXext"
+ AC_CHECK_HEADERS(X11/extensions/Xinerama.h,[
+ AC_CHECK_LIB(Xinerama_pic, XineramaQueryExtension,[
+ AX_ADD_LDFLAGS([xvideo],[-lXinerama_pic])
+ AX_ADD_LDFLAGS([x11],[-lXinerama_pic])
+ ac_cv_have_xinerama="yes"
+ ],[
+ AC_CHECK_LIB(Xinerama, XineramaQueryExtension,[
+ AX_ADD_LDFLAGS([xvideo],[-lXinerama])
+ AX_ADD_LDFLAGS([x11],[-lXinerama])
+ ac_cv_have_xinerama="yes"
+ ])
+ ])
+ ])
+ if test "${ac_cv_have_xinerama}" = "yes"; then
+ AC_DEFINE(HAVE_XINERAMA, 1, [Define this if you have libXinerama installed])
+ fi
+ CFLAGS="${CFLAGS_save}"
+ CPPFLAGS="${CPPFLAGS_save}"
+fi
+