])
AS_IF([test "${enable_glx}" != "no"], [
PKG_CHECK_MODULES(XLIB_XCB, [x11-xcb])
- PKG_CHECK_MODULES(GL, [gl])
-
+ PKG_CHECK_MODULES(GL, [gl],, [
+ AC_CHECK_HEADER([GL/gl.h], [
+ GL_CFLAGS=""
+ GL_LIBS="-lGL"
+ ], [
+ AC_MSG_ERROR([GLX (libGL) cannot be found. If you do not need OpenGL with X11, use --disable-glx.])
+ ])
+ ])
VLC_ADD_PLUGIN([xcb_glx])
])
+AC_SUBST([GL_CFLAGS])
+AC_SUBST([GL_LIBS])
dnl