use implicit rules to compile zstd_decompress.c

diff --git a/programs/Makefile b/programs/Makefile
index 06da7c44b7fbf8ff404bc86fba9a6023c50886eb..0ed7f3d07a82cf8b2dd8171414ce4bce272ac987 100644 (file)
--- a/programs/Makefile
+++ b/programs/Makefile
@@ -76,17 +76,18 @@ default: zstd
 
 all: zstd
 
-
+$(ZSTDDECOMP_O): CPPFLAGS += -DZSTD_LEGACY_SUPPORT=$(ZSTD_LEGACY_SUPPORT)
+$(ZSTDDECOMP_O): CFLAGS += $(ALIGN_LOOP)
 $(ZSTDDECOMP_O): $(ZSTDDIR)/decompress/zstd_decompress.c
-       $(CC)    $(ALIGN_LOOP) $(FLAGS) -DZSTD_LEGACY_SUPPORT=$(ZSTD_LEGACY_SUPPORT) $^ -c -o $@
-
-$(ZSTDDECOMP32_O): $(ZSTDDIR)/decompress/zstd_decompress.c
-       $(CC)  -m32 $(ALIGN_LOOP) $(FLAGS) -DZSTD_LEGACY_SUPPORT=$(ZSTD_LEGACY_SUPPORT) $^ -c -o $@
 
 zstd  : $(ZSTDDECOMP_O) $(ZSTD_FILES) $(ZSTDLEGACY_FILES) $(ZDICT_FILES) \
         zstdcli.c fileio.c bench.c datagen.c dibio.c
        $(CC)      $(FLAGS) -DZSTD_LEGACY_SUPPORT=$(ZSTD_LEGACY_SUPPORT) $^ $(RES_FILE) -o $@$(EXT)
 
+
+$(ZSTDDECOMP32_O): $(ZSTDDIR)/decompress/zstd_decompress.c
+       $(CC)  -m32 $(ALIGN_LOOP) $(FLAGS) -DZSTD_LEGACY_SUPPORT=$(ZSTD_LEGACY_SUPPORT) $^ -c -o $@
+
 zstd32 : $(ZSTDDECOMP32_O) $(ZSTD_FILES) $(ZSTDLEGACY_FILES) $(ZDICT_FILES) \
         zstdcli.c fileio.c bench.c datagen.c dibio.c
        $(CC)  -m32 $(FLAGS) -DZSTD_LEGACY_SUPPORT=$(ZSTD_LEGACY_SUPPORT) $^ $(RES32_FILE) -o $@$(EXT)