[CoreText] Add basic Core Text backend for comparison with our native shaping
Does not attempt to handle clusters in a Uniscribe- or HarfBuzz-compatible way;
just returns the original string indexes that CT maintains. These may even be
out-of-order in the case of reordrant glyphs.
diff --git a/src/Makefile.am b/src/Makefile.am
index 9fd135a..f2fce6e 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -138,6 +138,13 @@
HBHEADERS += hb-uniscribe.h
endif
+if HAVE_CORETEXT
+HBCFLAGS += $(CORETEXT_CFLAGS)
+HBLIBS += $(CORETEXT_LIBS)
+HBSOURCES += hb-coretext.cc hb-coretext-private.hh
+HBHEADERS += hb-coretext.h
+endif
+
# Use a C linker, not C++; Don't link to libstdc++
libharfbuzz_la_LINK = $(LINK) $(libharfbuzz_la_LDFLAGS)
libharfbuzz_la_SOURCES = $(HBSOURCES) $(HBHEADERS)
