After the patch, building DPDK will always generate a linker script (name use is based on CONFIG_RTE_LIBNAME config option) that behaves as a combined library when linking against it.
Signed-off-by: Sergio Gonzalez Monroy <sergio.gonzalez.monroy at intel.com> --- mk/rte.combinedlib.mk | 89 +++++++++++++++++++++++++++++++++++++++++++++++++++ mk/rte.sdkbuild.mk | 3 ++ 2 files changed, 92 insertions(+) create mode 100644 mk/rte.combinedlib.mk diff --git a/mk/rte.combinedlib.mk b/mk/rte.combinedlib.mk new file mode 100644 index 0000000..46d6ee9 --- /dev/null +++ b/mk/rte.combinedlib.mk @@ -0,0 +1,89 @@ +# BSD LICENSE +# +# Copyright(c) 2010-2015 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 +# notice, this list of conditions and the following disclaimer in +# the documentation and/or other materials provided with the +# distribution. +# * 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 +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +include $(RTE_SDK)/mk/rte.vars.mk + +default: all + +ifeq ($(CONFIG_RTE_BUILD_SHARED_LIB),y) +EXT:=.so +else +EXT:=.a +endif + +COMBINEDLIB := lib$(RTE_LIBNAME).so + +CORE_LIBS := librte_eal librte_mempool librte_malloc librte_ring +CORE_LIBS := $(addsuffix $(EXT),$(CORE_LIBS)) + +ALL_LIBS := $(wildcard $(RTE_OUTPUT)/lib/*$(EXT)) +ALL_LIBS := $(filter-out $(CORE_LIBS),$(notdir $(ALL_LIBS))) + +# If we change the combined lib name and we build dpdk without doing +# 'make uninstall', the previous linker script would be present in the dir. +filter_type = $(if $(shell file $(lib) | grep "ASCII text"),,$(lib)) +LIBS := $(foreach lib,$(ALL_LIBS),$(filter_type)) + +ifeq ($(CONFIG_RTE_BUILD_SHARED_LIB),y) +LDSCRIPT = INPUT ( +else +LDSCRIPT = GROUP ( +endif + +LDSCRIPT += $(CORE_LIBS) + +ifeq ($(CONFIG_RTE_BUILD_SHARED_LIB),y) +LDSCRIPT += AS_NEEDED ( +endif + +# For shared libs we do not care if we link against PMDs here, +# they will be ignored (ie. after AS_NEEDED) as there are no direct +# references to them +LDSCRIPT += $(LIBS) + +ifeq ($(CONFIG_RTE_BUILD_SHARED_LIB),y) +LDSCRIPT += ) +endif + +LDSCRIPT += ) + +all: FORCE + $(Q)echo "$(LDSCRIPT)" > $(RTE_OUTPUT)/lib/$(COMBINEDLIB) + +# +# Clean all generated files +# +.PHONY: clean +clean: + $(Q)rm -f $(RTE_OUTPUT)/lib/$(COMBINEDLIB) + +.PHONY: FORCE +FORCE: diff --git a/mk/rte.sdkbuild.mk b/mk/rte.sdkbuild.mk index 2b24e74..625e0c4 100644 --- a/mk/rte.sdkbuild.mk +++ b/mk/rte.sdkbuild.mk @@ -93,6 +93,9 @@ $(ROOTDIRS-y): @[ -d $(BUILDDIR)/$@ ] || mkdir -p $(BUILDDIR)/$@ @echo "== Build $@" $(Q)$(MAKE) S=$@ -f $(RTE_SRCDIR)/$@/Makefile -C $(BUILDDIR)/$@ all + @if [ $@ = lib ]; then \ + $(MAKE) -f $(RTE_SDK)/mk/rte.combinedlib.mk; \ + fi %_clean: @echo "== Clean $*" -- 1.9.3