X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fmlx4%2FMakefile;h=efed953e737c13acc6c20e86c30290e5ef23ca0b;hb=2c0e3c2a88cae8cb8784ba859b06503a3273322b;hp=23b766df1434cdba80d291bea5bef4b36d77b9d0;hpb=113c8e13c4201eee207723571f83aaf285277d75;p=dpdk.git

diff --git a/drivers/net/mlx4/Makefile b/drivers/net/mlx4/Makefile
index 23b766df14..efed953e73 100644
--- a/drivers/net/mlx4/Makefile
+++ b/drivers/net/mlx4/Makefile
@@ -31,12 +31,6 @@
 
 include $(RTE_SDK)/mk/rte.vars.mk
 
-ifeq ($(CONFIG_RTE_BUILD_COMBINE_LIBS)$(CONFIG_RTE_BUILD_SHARED_LIB),yy)
-all:
-	@echo 'MLX4: Not supported in a combined shared library'
-	@false
-endif
-
 # Library name.
 LIB = librte_pmd_mlx4.a
 
@@ -54,6 +48,8 @@ CFLAGS += -O3
 CFLAGS += -std=gnu99 -Wall -Wextra
 CFLAGS += -g
 CFLAGS += -I.
+CFLAGS += -D_BSD_SOURCE
+CFLAGS += -D_DEFAULT_SOURCE
 CFLAGS += -D_XOPEN_SOURCE=600
 CFLAGS += $(WERROR_FLAGS)
 LDLIBS += -libverbs
@@ -104,7 +100,9 @@ ifndef V
 AUTOCONF_OUTPUT := >/dev/null
 endif
 
-mlx4_autoconf.h: $(RTE_SDK)/scripts/auto-config-h.sh
+mlx4_autoconf.h.new: FORCE
+
+mlx4_autoconf.h.new: $(RTE_SDK)/scripts/auto-config-h.sh
 	$Q $(RM) -f -- '$@'
 	$Q sh -- '$<' '$@' \
 		RSS_SUPPORT \
@@ -124,9 +122,16 @@ mlx4_autoconf.h: $(RTE_SDK)/scripts/auto-config-h.sh
 		enum IBV_EXP_QP_BURST_CREATE_DISABLE_ETH_LOOPBACK \
 		$(AUTOCONF_OUTPUT)
 
+# Create mlx4_autoconf.h or update it in case it differs from the new one.
+
+mlx4_autoconf.h: mlx4_autoconf.h.new
+	$Q [ -f '$@' ] && \
+		cmp '$<' '$@' $(AUTOCONF_OUTPUT) || \
+		mv '$<' '$@'
+
 mlx4.o: mlx4_autoconf.h
 
 clean_mlx4: FORCE
-	$Q rm -f -- mlx4_autoconf.h
+	$Q rm -f -- mlx4_autoconf.h mlx4_autoconf.h.new
 
 clean: clean_mlx4