12a13
> MOREFLAGS=-DZWRAP_USE_ZSTD=1 -fPIC
23c24
< CFLAGS  ?= $(MOREFLAGS) -O3 -std=gnu99
---
> CFLAGS  ?= $(MOREFLAGS) -g -std=gnu99 #-O3
106a108,109
> $(ZSTDLIBDIR)/zstd_preload.so: $(ZLIBWRAPPER_PATH)/zstd_zlibwrapper.o $(GZFILES)
> 	$(CC) -shared $(MOREFLAGS) -L $(ZSTDLIBDIR) $(ZLIBWRAPPER_PATH)/zstd_zlibwrapper.o $(GZFILES) $(ZLIB_LIBRARY) -lzstd -o $(ZSTDLIBDIR)/zstd_preload.so
109c112
< 	-$(RM) $(ZLIBWRAPPER_PATH)/*.o $(EXAMPLE_PATH)/*.o *.o foo.gz example$(EXT) example_zstd$(EXT) fitblk$(EXT) fitblk_zstd$(EXT) zwrapbench$(EXT) minigzip$(EXT) minigzip_zstd$(EXT)
---
> 	-$(RM) $(ZLIBWRAPPER_PATH)/*.o $(EXAMPLE_PATH)/*.o *.o foo.gz example$(EXT) example_zstd$(EXT) fitblk$(EXT) fitblk_zstd$(EXT) zwrapbench$(EXT) minigzip$(EXT) minigzip_zstd$(EXT) $(ZSTDLIBDIR)/zstd_preload.so