For some reason with GCC7 compiling on PPC, the "pack" pragmas still add
alignment padding at the end of the struct. This is not true of gcc-apple-4.2
and earlier, nor is it true of __attribute__((packed)).

See: https://trac.macports.org/ticket/63490

--- src/search/dzl-fuzzy-mutable-index.c.orig
+++ src/search/dzl-fuzzy-mutable-index.c
@@ -59,13 +59,11 @@
   guint           case_sensitive : 1;
 };
 
-#pragma pack(push, 1)
-typedef struct
+typedef struct __attribute__((packed))
 {
   guint64 id : 32;
   guint64 pos : 16;
 } DzlFuzzyMutableIndexItem;
-#pragma pack(pop)
 
 G_STATIC_ASSERT (sizeof(DzlFuzzyMutableIndexItem) == 6);