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nixpkgs/pkgs/development/compilers/ghc/D2710.patch
2016-11-15 16:59:09 -05:00

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diff --git a/rts/LinkerInternals.h b/rts/LinkerInternals.h
--- a/rts/LinkerInternals.h
+++ b/rts/LinkerInternals.h
@@ -303,4 +303,14 @@
# define OBJFORMAT_MACHO
#endif
+/* In order to simplify control flow a bit, some references to mmap-related
+ definitions are blocked off by a C-level if statement rather than a CPP-level
+ #if statement. Since those are dead branches when !RTS_LINKER_USE_MMAP, we
+ just stub out the relevant symbols here
+*/
+#if !RTS_LINKER_USE_MMAP
+#define munmap(x,y) /* nothing */
+#define MAP_ANONYMOUS 0
+#endif
+
#endif /* LINKERINTERNALS_H */