mk: fix objects and libraries order when linking

[dpdk.git] / mk / rte.lib.mk

diff --git a/mk/rte.lib.mk b/mk/rte.lib.mk
index 30136b4..1f1b6e1 100644 (file)
--- a/mk/rte.lib.mk
+++ b/mk/rte.lib.mk
@@ -1,12 +1,12 @@
 #   BSD LICENSE
-# 
-#   Copyright(c) 2010-2013 Intel Corporation. All rights reserved.
+#
+#   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
 #   All rights reserved.
-# 
+#
 #   Redistribution and use in source and binary forms, with or without
 #   modification, are permitted provided that the following conditions
 #   are met:
-# 
+#
 #     * Redistributions of source code must retain the above copyright
 #       notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above copyright
@@ -16,7 +16,7 @@
 #     * Neither the name of Intel Corporation nor the names of its
 #       contributors may be used to endorse or promote products derived
 #       from this software without specific prior written permission.
-# 
+#
 #   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 #   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 #   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
@@ -38,9 +38,14 @@ include $(RTE_SDK)/mk/internal/rte.depdirs-pre.mk
 # VPATH contains at least SRCDIR
 VPATH += $(SRCDIR)
 
-ifeq ($(RTE_BUILD_SHARED_LIB),y)
-LIB := $(patsubst %.a,%.so,$(LIB))
+ifeq ($(CONFIG_RTE_BUILD_SHARED_LIB),y)
+LIB := $(patsubst %.a,%.so.$(LIBABIVER),$(LIB))
+ifeq ($(CONFIG_RTE_NEXT_ABI),y)
+LIB := $(LIB).1
 endif
+CPU_LDFLAGS += --version-script=$(SRCDIR)/$(EXPORT_MAP)
+endif
+
 
 _BUILD = $(LIB)
 _INSTALL = $(INSTALL-FILES-y) $(SYMLINK-FILES-y) $(RTE_OUTPUT)/lib/$(LIB)
@@ -59,7 +64,16 @@ build: _postbuild
 
 exe2cmd = $(strip $(call dotfile,$(patsubst %,%.cmd,$(1))))
 
-O_TO_A = $(AR) crus $(LIB) $(OBJS-y)
+ifeq ($(LINK_USING_CC),1)
+# Override the definition of LD here, since we're linking with CC
+LD := $(CC) $(CPU_CFLAGS)
+_CPU_LDFLAGS := $(call linkerprefix,$(CPU_LDFLAGS))
+override EXTRA_LDFLAGS := $(call linkerprefix,$(EXTRA_LDFLAGS))
+else
+_CPU_LDFLAGS := $(CPU_LDFLAGS)
+endif
+
+O_TO_A = $(AR) crDs $(LIB) $(OBJS-y)
 O_TO_A_STR = $(subst ','\'',$(O_TO_A)) #'# fix syntax highlight
 O_TO_A_DISP = $(if $(V),"$(O_TO_A_STR)","  AR $(@)")
 O_TO_A_CMD = "cmd_$@ = $(O_TO_A_STR)"
@@ -68,7 +82,8 @@ O_TO_A_DO = @set -e; \
        $(O_TO_A) && \
        echo $(O_TO_A_CMD) > $(call exe2cmd,$(@))
 
-O_TO_S = $(LD) $(CPU_LDFLAGS) -z muldefs -share $(OBJS-y) -o $(LIB)
+O_TO_S = $(LD) $(_CPU_LDFLAGS) $(EXTRA_LDFLAGS) -shared $(OBJS-y) $(LDLIBS) \
+        -Wl,-soname,$(LIB) -o $(LIB)
 O_TO_S_STR = $(subst ','\'',$(O_TO_S)) #'# fix syntax highlight
 O_TO_S_DISP = $(if $(V),"$(O_TO_S_STR)","  LD $(@)")
 O_TO_S_DO = @set -e; \
@@ -76,7 +91,7 @@ O_TO_S_DO = @set -e; \
        $(O_TO_S) && \
        echo $(O_TO_S_CMD) > $(call exe2cmd,$(@))
 
-ifeq ($(RTE_BUILD_SHARED_LIB),n)
+ifeq ($(CONFIG_RTE_BUILD_SHARED_LIB),n)
 O_TO_C = $(AR) crus $(LIB_ONE) $(OBJS-y)
 O_TO_C_STR = $(subst ','\'',$(O_TO_C)) #'# fix syntax highlight
 O_TO_C_DISP = $(if $(V),"$(O_TO_C_STR)","  AR_C $(@)")
@@ -84,7 +99,7 @@ O_TO_C_DO = @set -e; \
        $(lib_dir) \
        $(copy_obj)
 else
-O_TO_C = $(LD) -z muldefs -share $(OBJS-y) -o $(LIB_ONE)
+O_TO_C = $(LD) -shared $(OBJS-y) -o $(LIB_ONE)
 O_TO_C_STR = $(subst ','\'',$(O_TO_C)) #'# fix syntax highlight
 O_TO_C_DISP = $(if $(V),"$(O_TO_C_STR)","  LD_C $(@)")
 O_TO_C_DO = @set -e; \
@@ -99,8 +114,12 @@ lib_dir = [ -d $(RTE_OUTPUT)/lib ] || mkdir -p $(RTE_OUTPUT)/lib;
 #
 # Archive objects in .a file if needed
 #
-ifeq ($(RTE_BUILD_SHARED_LIB),y)
+ifeq ($(CONFIG_RTE_BUILD_SHARED_LIB),y)
 $(LIB): $(OBJS-y) $(DEP_$(LIB)) FORCE
+ifeq ($(LIBABIVER),)
+       @echo "Must Specify a $(LIB) ABI version"
+       @false
+endif
        @[ -d $(dir $@) ] || mkdir -p $(dir $@)
        $(if $(D),\
                @echo -n "$< -> $@ " ; \
@@ -114,7 +133,8 @@ $(LIB): $(OBJS-y) $(DEP_$(LIB)) FORCE
                $(depfile_missing),\
                $(depfile_newer)),\
                $(O_TO_S_DO))
-ifeq ($(RTE_BUILD_COMBINE_LIBS),y)
+
+ifeq ($(CONFIG_RTE_BUILD_COMBINE_LIBS),y)
        $(if $(or \
         $(file_missing),\
         $(call cmdline_changed,$(O_TO_C_STR)),\
@@ -137,7 +157,7 @@ $(LIB): $(OBJS-y) $(DEP_$(LIB)) FORCE
            $(depfile_missing),\
            $(depfile_newer)),\
            $(O_TO_A_DO))
-ifeq ($(RTE_BUILD_COMBINE_LIBS),y)
+ifeq ($(CONFIG_RTE_BUILD_COMBINE_LIBS),y)
        $(if $(or \
         $(file_missing),\
         $(call cmdline_changed,$(O_TO_C_STR)),\
@@ -154,6 +174,13 @@ $(RTE_OUTPUT)/lib/$(LIB): $(LIB)
        @echo "  INSTALL-LIB $(LIB)"
        @[ -d $(RTE_OUTPUT)/lib ] || mkdir -p $(RTE_OUTPUT)/lib
        $(Q)cp -f $(LIB) $(RTE_OUTPUT)/lib
+ifeq ($(CONFIG_RTE_BUILD_SHARED_LIB),y)
+ifeq ($(CONFIG_RTE_NEXT_ABI),y)
+       $(Q)ln -s -f $< $(basename $(basename $@))
+else
+       $(Q)ln -s -f $< $(basename $@)
+endif
+endif
 
 #
 # Clean all generated files