mk: fix external library build when combine is enabled

The object files are copied to prepare the internal combined library.
It must be disabled when building an external library.

It has been seen because the directory was missing:
	examples/ethtool/lib/x86_64-native-linuxapp-gcc/build/lib:
	No such file or directory

Signed-off-by: Thomas Monjalon <thomas.monjalon@6wind.com>

diff --git a/mk/rte.lib.mk b/mk/rte.lib.mk
index 3f026bf..24c81e7 100644 (file)
--- a/mk/rte.lib.mk
+++ b/mk/rte.lib.mk
@@ -138,7 +138,7 @@ endif
                $(depfile_newer)),\
                $(O_TO_S_DO))
 
-ifeq ($(CONFIG_RTE_BUILD_COMBINE_LIBS),y)
+ifeq ($(CONFIG_RTE_BUILD_COMBINE_LIBS)$(EXTLIB_BUILD),yn)
        $(if $(or \
         $(file_missing),\
         $(call cmdline_changed,$(O_TO_C_STR)),\
@@ -161,7 +161,7 @@ $(LIB): $(OBJS-y) $(DEP_$(LIB)) FORCE
            $(depfile_missing),\
            $(depfile_newer)),\
            $(O_TO_A_DO))
-ifeq ($(CONFIG_RTE_BUILD_COMBINE_LIBS),y)
+ifeq ($(CONFIG_RTE_BUILD_COMBINE_LIBS)$(EXTLIB_BUILD),yn)
        $(if $(or \
         $(file_missing),\
         $(call cmdline_changed,$(O_TO_C_STR)),\