sometimes, the scope difference is solely determined by the list of source files,
not by the flags.
HAVE_HASH := $(shell echo 1 | $(HASH) > /dev/null && echo 1 || echo 0)
ifeq ($(HAVE_HASH), 1)
- HASH_VALUE := $(shell echo $(CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) | $(HASH) | head -c 16)
+ HASH_VALUE := $(shell echo $(CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) $(ZSTD_FILES) | $(HASH) | head -c 16)
HASH_DIR := conf_$(HASH_VALUE)
else
$(info warning : could not find hash function to differentiate builds with different flags)
}
# default compilation : all features enabled
-make clean > /dev/null
$ECHO "testing default library compilation"
CFLAGS= make -C $DIR/../lib libzstd.a > $INTOVOID
nm $DIR/../lib/libzstd.a | $GREP "\.o" > tmplog