1 files changed, 54 insertions, 0 deletions
diff --git a/extra/inkscape/gc74.patch b/extra/inkscape/gc74.patch
new file mode 100644
index 000000000..41615ac49
--- /dev/null
+++ b/extra/inkscape/gc74.patch
@@ -0,0 +1,54 @@
+--- inkscape-0.48.4/src/gc-core.h.old	2013-12-31 01:22:38.976653890 +0400
++++ inkscape-0.48.4/src/gc-core.h	2013-12-31 01:22:48.525653608 +0400
+@@ -57,7 +57,7 @@
+                                            CleanupFunc *old_func,
+                                            void **old_data);
+     int (*general_register_disappearing_link)(void **p_ptr,
+-                                              void *base);
++                                              const void *base);
+     int (*unregister_disappearing_link)(void **p_ptr);
+     std::size_t (*get_heap_size)();
+     std::size_t (*get_free_bytes)();
+--- inkscape-0.48.4/src/gc.cpp.old	2013-12-31 01:23:50.462651778 +0400
++++ inkscape-0.48.4/src/gc.cpp	2013-12-31 01:40:37.718622017 +0400
+@@ -70,8 +70,8 @@
+     return base + debug_base_fixup();
+ }
+ 
+-int debug_general_register_disappearing_link(void **p_ptr, void *base) {
+-    char *real_base=reinterpret_cast<char *>(base) - debug_base_fixup();
++int debug_general_register_disappearing_link(void **p_ptr, const void *base) {
++    char *real_base=const_cast<char *>(reinterpret_cast<const char *>(base)) - debug_base_fixup();
+     return GC_general_register_disappearing_link(p_ptr, real_base);
+ }
+ 
+@@ -90,7 +90,7 @@
+     }
+ }
+ 
+-int dummy_general_register_disappearing_link(void **, void *) { return false; }
++int dummy_general_register_disappearing_link(void **, const void *) { return false; }
+ 
+ int dummy_unregister_disappearing_link(void **/*link*/) { return false; }
+ 
+@@ -112,7 +112,11 @@
+     &GC_malloc_atomic_uncollectable,
+     &GC_base,
+     &GC_register_finalizer_ignore_self,
++#if (GC_MAJOR_VERSION >= 7 && GC_MINOR_VERSION >= 4)
+     &GC_general_register_disappearing_link,
++#else
++    (int (*)(void**, const void*))(&GC_general_register_disappearing_link),
++#endif
+     &GC_unregister_disappearing_link,
+     &GC_get_heap_size,
+     &GC_get_free_bytes,
+@@ -202,7 +206,7 @@
+     die_because_not_initialized();
+ }
+ 
+-int stub_general_register_disappearing_link(void **, void *) {
++int stub_general_register_disappearing_link(void **, const void *) {
+     die_because_not_initialized();
+     return 0;
+ }