Fix #419 : no warning when setting custom LDFLAGS

Makefile

@@ -20,28 +20,32 @@ else
 VOID = /dev/null
 endif
 
-.PHONY: default all zlibwrapper zstd clean install uninstall travis-install test clangtest gpptest armtest usan asan uasan
-
-default: libzstd zstd
+.PHONY: default
+default: lib zstd
 
+.PHONY: all
 all:
 	$(MAKE) -C $(ZSTDDIR) $@
 	$(MAKE) -C $(PRGDIR) $@ zstd32
 	$(MAKE) -C $(TESTDIR) $@ all32
 
-libzstd:
+.PHONY: lib
+lib:
 	@$(MAKE) -C $(ZSTDDIR)
 
 zstd:
 	@$(MAKE) -C $(PRGDIR)
 	cp $(PRGDIR)/zstd .
 
+.PHONY: zlibwrapper
 zlibwrapper:
 	$(MAKE) -C $(ZWRAPDIR) test
 
+.PHONY: test
 test:
 	$(MAKE) -C $(TESTDIR) $@
 
+.PHONY: clean
 clean:
 	@$(MAKE) -C $(ZSTDDIR) $@ > $(VOID)
 	@$(MAKE) -C $(PRGDIR) $@ > $(VOID)
@@ -56,6 +60,8 @@ clean:
 #------------------------------------------------------------------------------
 ifneq (,$(filter $(shell uname),Linux Darwin GNU/kFreeBSD GNU FreeBSD DragonFly NetBSD))
 HOST_OS = POSIX
+.PHONY: install uninstall travis-install clangtest gpptest armtest usan asan uasan
+
 install:
 	@$(MAKE) -C $(ZSTDDIR) $@
 	@$(MAKE) -C $(PRGDIR) $@

lib/Makefile

@@ -27,7 +27,7 @@ CPPFLAGS= -I. -I./common
 CFLAGS ?= -O3
 CFLAGS += -Wall -Wextra -Wcast-qual -Wcast-align -Wshadow -Wstrict-aliasing=1 \
           -Wswitch-enum -Wdeclaration-after-statement -Wstrict-prototypes -Wundef
-FLAGS   = $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) $(MOREFLAGS)
+FLAGS   = $(CPPFLAGS) $(CFLAGS) $(MOREFLAGS)
 
 
 ZSTD_FILES := common/*.c compress/*.c decompress/*.c dictBuilder/*.c
@@ -39,7 +39,6 @@ ZSTD_FILES+= legacy/*.c
 CPPFLAGS  += -I./legacy -DZSTD_LEGACY_SUPPORT=1
 endif
 
-
 # OS X linker doesn't support -soname, and use different extension
 # see : https://developer.apple.com/library/mac/documentation/DeveloperTools/Conceptual/DynamicLibraries/100-Articles/DynamicLibraryDesignGuidelines.html
 ifeq ($(shell uname), Darwin)
@@ -54,23 +53,33 @@ else
 	SHARED_EXT_VER = $(SHARED_EXT).$(LIBVER)
 endif
 
+LIBZSTD = libzstd.$(SHARED_EXT_VER)
+
 
 .PHONY: default all clean install uninstall
 
-default: clean libzstd
+default: lib
 
-all: clean libzstd
+all: lib
 
-libzstd: $(ZSTD_FILES)
+libzstd.a: ARFLAGS = rcs
+libzstd.a: $(ZSTD_FILES)
 	@echo compiling static library
 	@$(CC) $(FLAGS) -c $^
-	@$(AR) rcs $@.a *.o
+	@$(AR) $(ARFLAGS) $@ *.o
+
+$(LIBZSTD): LDFLAGS += -shared -fPIC
+$(LIBZSTD): $(ZSTD_FILES)
 	@echo compiling dynamic library $(LIBVER)
-	@$(CC) $(FLAGS) -shared $^ -fPIC $(SONAME_FLAGS) -o $@.$(SHARED_EXT_VER)
+	@$(CC) $(FLAGS) $^ $(LDFLAGS) $(SONAME_FLAGS) -o $@
 	@echo creating versioned links
 	@ln -sf $@.$(SHARED_EXT_VER) $@.$(SHARED_EXT_MAJOR)
 	@ln -sf $@.$(SHARED_EXT_VER) $@.$(SHARED_EXT)
 
+libzstd : $(LIBZSTD)
+
+lib: libzstd.a libzstd
+
 clean:
 	@rm -f core *.o *.a *.gcda *.$(SHARED_EXT) *.$(SHARED_EXT).* libzstd.pc
 	@rm -f decompress/*.o
@@ -89,7 +98,7 @@ libzstd.pc: libzstd.pc.in
              -e 's|@VERSION@|$(VERSION)|' \
              $< >$@
 
-install: libzstd libzstd.pc
+install: libzstd.a libzstd libzstd.pc
 	@install -d -m 755 $(DESTDIR)$(LIBDIR)/pkgconfig/ $(DESTDIR)$(INCLUDEDIR)/
 	@install -m 755 libzstd.$(SHARED_EXT_VER) $(DESTDIR)$(LIBDIR)/libzstd.$(SHARED_EXT_VER)
 	@cp -a libzstd.$(SHARED_EXT_MAJOR) $(DESTDIR)$(LIBDIR)

programs/Makefile

@@ -41,7 +41,6 @@ ZSTDDECOMP_FILES := $(ZSTDDIR)/decompress/huf_decompress.c
 ZSTD_FILES := $(ZSTDDECOMP_FILES) $(ZSTDCOMMON_FILES) $(ZSTDCOMP_FILES)
 ZDICT_FILES := $(ZSTDDIR)/dictBuilder/*.c
 ZSTDDECOMP_O = $(ZSTDDIR)/decompress/zstd_decompress.o
-ZSTDDECOMP32_O = $(ZSTDDIR)/decompress/zstd_decompress32.o
 
 ifeq ($(ZSTD_LEGACY_SUPPORT), 0)
 CPPFLAGS  += -DZSTD_LEGACY_SUPPORT=0
@@ -76,30 +75,27 @@ 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
 
+zstd  : CPPFLAGS += -DZSTD_LEGACY_SUPPORT=$(ZSTD_LEGACY_SUPPORT)
 zstd  : $(ZSTDDECOMP_O) $(ZSTD_FILES) $(ZSTDLEGACY_FILES) $(ZDICT_FILES) \
         zstdcli.c fileio.c bench.c datagen.c dibio.c
 ifneq (,$(filter Windows%,$(OS)))
 	windres\generate_res.bat
 endif
-	$(CC)      $(FLAGS) -DZSTD_LEGACY_SUPPORT=$(ZSTD_LEGACY_SUPPORT) $^ $(RES_FILE) -o $@$(EXT)
+	$(CC)      $(FLAGS) $^ $(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) $(ZDICT_FILES) \
+zstd32 : CPPFLAGS += -DZSTD_LEGACY_SUPPORT=$(ZSTD_LEGACY_SUPPORT)
+zstd32 : $(ZSTDDIR)/decompress/zstd_decompress.c $(ZSTD_FILES) $(ZSTDLEGACY_FILES) $(ZDICT_FILES) \
         zstdcli.c fileio.c bench.c datagen.c dibio.c
 ifneq (,$(filter Windows%,$(OS)))
 	windres\generate_res.bat
 endif
-	$(CC)  -m32 $(FLAGS) -DZSTD_LEGACY_SUPPORT=$(ZSTD_LEGACY_SUPPORT) $^ $(RES32_FILE) -o $@$(EXT)
+	$(CC)  -m32 $(FLAGS) $^ $(RES32_FILE) -o $@$(EXT)
 
 
-zstd_nolegacy : clean_decomp_o
+zstd-nolegacy : clean_decomp_o
 	$(MAKE) zstd ZSTD_LEGACY_SUPPORT=0
 
 zstd-pgo : MOREFLAGS = -fprofile-generate
@@ -111,7 +107,7 @@ zstd-pgo : clean zstd
 	./zstd -b7i2 $(PROFILE_WITH)
 	./zstd -b5 $(PROFILE_WITH)
 	$(RM) zstd
-	$(RM) $(ZSTDDIR)/decompress/zstd_decompress.o
+	$(RM) $(ZSTDDECOMP_O)
 	$(MAKE) zstd MOREFLAGS=-fprofile-use
 
 zstd-frugal: $(ZSTDDECOMP_O) $(ZSTD_FILES) zstdcli.c fileio.c
@@ -142,7 +138,6 @@ clean:
 
 clean_decomp_o:
 	@$(RM) $(ZSTDDECOMP_O)
-	@$(RM) $(ZSTDDECOMP32_O)
 
 
 #----------------------------------------------------------------------------------