1 files changed, 79 insertions, 0 deletions
diff --git a/dev-libs/libffi/files/libffi-3.3_rc0-ppc-macos-go.patch b/dev-libs/libffi/files/libffi-3.3_rc0-ppc-macos-go.patch
new file mode 100644
index 000000000000..88f9b4557657
--- /dev/null
+++ b/dev-libs/libffi/files/libffi-3.3_rc0-ppc-macos-go.patch
@@ -0,0 +1,79 @@
+ffi_darwin: use FFI_GO_CLOSURES guard to avoid unsolvable dependencies
+
+The go calls depend on compilation and link-time signatures and symbols
+which are missing because they aren't build due to FFO_GO_CLOSURES not
+being set.
+
+Signed-off-by: Fabian Groffen <grobian@gentoo.org>
+
+--- a/src/powerpc/ffi_darwin.c	2018-04-02 14:21:51.000000000 +0200
++++ b/src/powerpc/ffi_darwin.c	2018-12-10 13:57:26.000000000 +0100
+@@ -909,8 +909,10 @@
+ extern void ffi_call_AIX(extended_cif *, long, unsigned, unsigned *,
+ 			 void (*fn)(void), void (*fn2)(void));
+ 
++#if FFI_GO_CLOSURES
+ extern void ffi_call_go_AIX(extended_cif *, long, unsigned, unsigned *,
+ 			    void (*fn)(void), void (*fn2)(void), void *closure);
++#endif
+ 
+ extern void ffi_call_DARWIN(extended_cif *, long, unsigned, unsigned *,
+ 			    void (*fn)(void), void (*fn2)(void), ffi_type*);
+@@ -950,6 +952,7 @@
+     }
+ }
+ 
++#if FFI_GO_CLOSURES
+ void
+ ffi_call_go (ffi_cif *cif, void (*fn) (void), void *rvalue, void **avalue,
+ 	     void *closure)
+@@ -981,6 +984,7 @@
+       break;
+     }
+ }
++#endif
+ 
+ static void flush_icache(char *);
+ static void flush_range(char *, int);
+@@ -1110,6 +1114,7 @@
+   return FFI_OK;
+ }
+ 
++#if FFI_GO_CLOSURES
+ ffi_status
+ ffi_prep_go_closure (ffi_go_closure* closure,
+ 		     ffi_cif* cif,
+@@ -1133,6 +1138,7 @@
+     }
+   return FFI_OK;
+ }
++#endif
+ 
+ static void
+ flush_icache(char *addr)
+@@ -1168,9 +1174,11 @@
+ ffi_closure_helper_DARWIN (ffi_closure *, void *,
+ 			   unsigned long *, ffi_dblfl *);
+ 
++#if FFI_GO_CLOSURES
+ ffi_type *
+ ffi_go_closure_helper_DARWIN (ffi_go_closure*, void *,
+ 			      unsigned long *, ffi_dblfl *);
++#endif
+ 
+ /* Basically the trampoline invokes ffi_closure_ASM, and on
+    entry, r11 holds the address of the closure.
+@@ -1430,6 +1438,7 @@
+ 				    closure->user_data, rvalue, pgr, pfr);
+ }
+ 
++#if FFI_GO_CLOSURES
+ ffi_type *
+ ffi_go_closure_helper_DARWIN (ffi_go_closure *closure, void *rvalue,
+ 			      unsigned long *pgr, ffi_dblfl *pfr)
+@@ -1437,4 +1446,5 @@
+   return ffi_closure_helper_common (closure->cif, closure->fun,
+ 				    closure, rvalue, pgr, pfr);
+ }
++#endif
+