[subset] First pass at setting up a fuzzing program for hb-subset.
diff --git a/src/Makefile.am b/src/Makefile.am
index afa104b..4d1f237 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -17,7 +17,7 @@
# Convenience targets:
lib: $(BUILT_SOURCES) libharfbuzz.la libharfbuzz-subset.la
-fuzzing: $(BUILT_SOURCES) libharfbuzz-fuzzing.la
+fuzzing: $(BUILT_SOURCES) libharfbuzz-fuzzing.la libharfbuzz-subset-fuzzing.la
lib_LTLIBRARIES = libharfbuzz.la
@@ -193,6 +193,28 @@
EXTRA_libharfbuzz_fuzzing_la_DEPENDENCIES = $(EXTRA_libharfbuzz_la_DEPENDENCIES)
CLEANFILES += libharfbuzz-fuzzing.la
+SUBSET_FUZZING_CPPFLAGS = \
+ -DHB_NDEBUG \
+ -DHB_MAX_NESTING_LEVEL=3 \
+ -DHB_SANITIZE_MAX_EDITS=3 \
+ -DHB_SANITIZE_MAX_OPS_FACTOR=3 \
+ -DHB_SANITIZE_MAX_OPS_MIN=128 \
+ -DHB_BUFFER_MAX_LEN_FACTOR=3 \
+ -DHB_BUFFER_MAX_LEN_MIN=8 \
+ -DHB_BUFFER_MAX_LEN_DEFAULT=128 \
+ -DHB_BUFFER_MAX_OPS_FACTOR=8 \
+ -DHB_BUFFER_MAX_OPS_MIN=64 \
+ -DHB_BUFFER_MAX_OPS_DEFAULT=1024 \
+ $(NULL)
+EXTRA_LTLIBRARIES = libharfbuzz-subset-fuzzing.la
+libharfbuzz_subset_fuzzing_la_LINK = $(chosen_linker) $(libharfbuzz_subset_fuzzing_la_LDFLAGS)
+libharfbuzz_subset_fuzzing_la_SOURCES = $(libharfbuzz_subset_la_SOURCES)
+libharfbuzz_subset_fuzzing_la_CPPFLAGS = $(HBCFLAGS) $(SUBSET_FUZZING_CPPFLAGS)
+libharfbuzz_subset_fuzzing_la_LDFLAGS = $(AM_LDFLAGS)
+libharfbuzz_subset_fuzzing_la_LIBADD = $(libharfbuzz_subset_la_LIBADD)
+EXTRA_libharfbuzz_subset_fuzzing_la_DEPENDENCIES = $(EXTRA_libharfbuzz_subset_la_DEPENDENCIES)
+CLEANFILES += libharfbuzz-subset-fuzzing.la
+
if HAVE_ICU
if HAVE_ICU_BUILTIN
HBCFLAGS += $(ICU_CFLAGS)
