reprap: Compatibility with OSX

[simavr] / examples / shared / libc3 / src / c3cairo.c

diff --git a/examples/shared/libc3/src/c3cairo.c b/examples/shared/libc3/src/c3cairo.c
index 390a5c3..a2b1655 100644 (file)
--- a/examples/shared/libc3/src/c3cairo.c
+++ b/examples/shared/libc3/src/c3cairo.c
@@ -52,8 +52,8 @@ const c3driver_geometry_t c3cairo_base_driver = {
        .dispose = _c3cairo_dispose,
        .project = _c3cairo_project,
 };
-const c3driver_geometry_t c3texture_driver;
-const c3driver_geometry_t c3geometry_driver;
+extern const c3driver_geometry_t c3texture_driver;
+extern const c3driver_geometry_t c3geometry_driver;
 
 c3cairo_p
 c3cairo_new(