HarfBuzz 1.7.1 and later don't compile on AIX with xlC (#655)
diff --git a/src/hb-ot-shape-complex-arabic-fallback.hh b/src/hb-ot-shape-complex-arabic-fallback.hh
index b7638b7..d98cde1 100644
--- a/src/hb-ot-shape-complex-arabic-fallback.hh
+++ b/src/hb-ot-shape-complex-arabic-fallback.hh
@@ -77,7 +77,7 @@
/* Bubble-sort or something equally good!
* May not be good-enough for presidential candidate interviews, but good-enough for us... */
- hb_stable_sort (&glyphs[0], num_glyphs, OT::GlyphID::cmp, &substitutes[0]);
+ hb_stable_sort (&glyphs[0], num_glyphs, (int(*)(const OT::GlyphID*, const OT::GlyphID *)) OT::GlyphID::cmp, &substitutes[0]);
OT::Supplier<OT::GlyphID> glyphs_supplier (glyphs, num_glyphs);
OT::Supplier<OT::GlyphID> substitutes_supplier (substitutes, num_glyphs);
@@ -126,7 +126,7 @@
first_glyphs_indirection[num_first_glyphs] = first_glyph_idx;
num_first_glyphs++;
}
- hb_stable_sort (&first_glyphs[0], num_first_glyphs, OT::GlyphID::cmp, &first_glyphs_indirection[0]);
+ hb_stable_sort (&first_glyphs[0], num_first_glyphs, (int(*)(const OT::GlyphID*, const OT::GlyphID *)) OT::GlyphID::cmp, &first_glyphs_indirection[0]);
/* Now that the first-glyphs are sorted, walk again, populate ligatures. */
for (unsigned int i = 0; i < num_first_glyphs; i++)