- if test "$enable_xcb" = yes; then
- PKG_CHECK_MODULES([XCB],[x11-xcb xcb-glx])
- GL_PC_REQ_PRIV="$GL_PC_REQ_PRIV x11-xcb xcb-glx"
- X11_INCLUDES="$X11_INCLUDES $XCB_CFLAGS"
- GL_LIB_DEPS="$GL_LIB_DEPS $XCB_LIBS"
- fi
+ PKG_CHECK_MODULES([XCB],[x11-xcb xcb-glx])
+ GL_PC_REQ_PRIV="$GL_PC_REQ_PRIV x11-xcb xcb-glx"
+ X11_INCLUDES="$X11_INCLUDES $XCB_CFLAGS"
+ GL_LIB_DEPS="$GL_LIB_DEPS $XCB_LIBS"
+ fi
+
+ # Check to see if the xcb-glx library is new enough to support
+ # GLX_ARB_create_context. This bit of hackery is necessary until XCB 1.8
+ # is released.
+ save_CPPFLAGS="$CPPFLAGS"
+ save_LDFLAGS="$LDFLAGS"
+ CPPFLAGS="$CPPFLAGS $X11_INCLUDES"
+ LDFLAGS="$LDFLAGS $GL_LIB_DEPS"
+ AC_CHECK_LIB(xcb-glx, xcb_glx_create_context_attribs_arb_checked,
+ [HAVE_XCB_GLX_CREATE_CONTEXT=yes],
+ [HAVE_XCB_GLX_CREATE_CONTEXT=no])
+ CPPFLAGS="$save_CPPFLAGS"
+ LDFLAGS="$save_LDFLAGS"
+
+ if test x$HAVE_XCB_GLX_CREATE_CONTEXT = xyes; then
+ X11_INCLUDES="$X11_INCLUDES -DHAVE_XCB_GLX_CREATE_CONTEXT"