openssl-3 depreciated a bunch of functions we are using in openssl.c,
but the suggested alternatives are not available in older versions
of the openssl library. This makes a smooth transition harder than
necessary. Suppress the warnings for now.
CPPFLAGS += $(osl_cppflags)
$(call OD, compress_filter): CFLAGS += -O3
+$(call OD, openssl): CFLAGS += -Wno-deprecated-declarations
+$(object_dir)/%.o: %.c | $(object_dir) $(dep_dir) $(lsg_h) $(yy_h)
define CC_CMD
$(call SAY, CC $<)
$(CC) -c -o $(object_dir)/$(*F).o -MMD -MF \