fix zlibwrap parallel build

previous recipe would build object files directly within programs/
which could be in competition with other local builds happening in programs/ at the same time.

fixed by generating the relevant object file locally.

diff --git a/zlibWrapper/Makefile b/zlibWrapper/Makefile
index feed5b84a34f632f257fff46af963fdf84fb158a..d74c41bc4b84026586c7e65a043bd6948fa4e7f7 100644 (file)
--- a/zlibWrapper/Makefile
+++ b/zlibWrapper/Makefile
@@ -18,6 +18,8 @@ EXAMPLE_PATH = examples
 PROGRAMS_PATH = ../programs
 TEST_FILE = ../doc/zstd_compression_format.md
 
+VPATH = $(PROGRAMS_PATH)
+
 CPPFLAGS += -DXXH_NAMESPACE=ZSTD_ -I$(ZLIB_PATH) -I$(PROGRAMS_PATH)       \
             -I$(ZSTDLIBDIR) -I$(ZSTDLIBDIR)/common -I$(ZLIBWRAPPER_PATH)
 STDFLAGS  = -std=c89 -pedantic -Wno-long-long -Wno-variadic-macros -Wc++-compat \
@@ -95,7 +97,7 @@ fitblk: $(EXAMPLE_PATH)/fitblk.o zstd_zlibwrapper.o $(ZSTDLIBRARY)
 fitblk_zstd: $(EXAMPLE_PATH)/fitblk.o zstdTurnedOn_zlibwrapper.o $(ZSTDLIBRARY)
        $(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) $^ $(ZLIB_LIBRARY) -o $@
 
-zwrapbench: $(EXAMPLE_PATH)/zwrapbench.o zstd_zlibwrapper.o $(PROGRAMS_PATH)/util.o $(PROGRAMS_PATH)/timefn.o $(PROGRAMS_PATH)/datagen.o $(ZSTDLIBRARY)
+zwrapbench: $(EXAMPLE_PATH)/zwrapbench.o zstd_zlibwrapper.o util.o timefn.o datagen.o $(ZSTDLIBRARY)
        $(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) $^ $(ZLIB_LIBRARY) -o $@