948fd64bef
The physically linked-together combined library has been an increasing source of problems, as was predicted when library and symbol versioning was introduced. Replace the complex and fragile construction with a simple linker script which achieves the same without all the problems, remove the related kludges from eg mlx drivers. Since creating the linker script is practically zero cost, remove the config option and just create it always. Based on a patch by Sergio Gonzales Monroy, linker script approach initially suggested by Neil Horman. Suggested-by: Sergio Gonzalez Monroy <sergio.gonzalez.monroy@intel.com> Suggested-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: Panu Matilainen <pmatilai@redhat.com> Signed-off-by: Thomas Monjalon <thomas.monjalon@6wind.com>
127 lines
3.9 KiB
Makefile
127 lines
3.9 KiB
Makefile
# BSD LICENSE
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#
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# Copyright 2012-2015 6WIND S.A.
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# Copyright 2012 Mellanox.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in
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# the documentation and/or other materials provided with the
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# distribution.
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# * Neither the name of 6WIND S.A. nor the names of its
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# contributors may be used to endorse or promote products derived
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# from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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include $(RTE_SDK)/mk/rte.vars.mk
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# Library name.
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LIB = librte_pmd_mlx4.a
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# Sources.
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SRCS-$(CONFIG_RTE_LIBRTE_MLX4_PMD) += mlx4.c
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# Dependencies.
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DEPDIRS-$(CONFIG_RTE_LIBRTE_MLX4_PMD) += lib/librte_ether
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DEPDIRS-$(CONFIG_RTE_LIBRTE_MLX4_PMD) += lib/librte_mbuf
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DEPDIRS-$(CONFIG_RTE_LIBRTE_MLX4_PMD) += lib/librte_eal
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DEPDIRS-$(CONFIG_RTE_LIBRTE_MLX4_PMD) += lib/librte_mempool
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# Basic CFLAGS.
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CFLAGS += -O3
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CFLAGS += -std=gnu99 -Wall -Wextra
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CFLAGS += -g
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CFLAGS += -I.
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CFLAGS += -D_XOPEN_SOURCE=600
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CFLAGS += $(WERROR_FLAGS)
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LDLIBS += -libverbs
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# A few warnings cannot be avoided in external headers.
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CFLAGS += -Wno-error=cast-qual
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EXPORT_MAP := rte_pmd_mlx4_version.map
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LIBABIVER := 1
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# DEBUG which is usually provided on the command-line may enable
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# CONFIG_RTE_LIBRTE_MLX4_DEBUG.
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ifeq ($(DEBUG),1)
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CONFIG_RTE_LIBRTE_MLX4_DEBUG := y
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endif
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# User-defined CFLAGS.
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ifeq ($(CONFIG_RTE_LIBRTE_MLX4_DEBUG),y)
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CFLAGS += -pedantic -UNDEBUG -DPEDANTIC
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else
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CFLAGS += -DNDEBUG -UPEDANTIC
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endif
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ifdef CONFIG_RTE_LIBRTE_MLX4_SGE_WR_N
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CFLAGS += -DMLX4_PMD_SGE_WR_N=$(CONFIG_RTE_LIBRTE_MLX4_SGE_WR_N)
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endif
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ifdef CONFIG_RTE_LIBRTE_MLX4_MAX_INLINE
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CFLAGS += -DMLX4_PMD_MAX_INLINE=$(CONFIG_RTE_LIBRTE_MLX4_MAX_INLINE)
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endif
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ifdef CONFIG_RTE_LIBRTE_MLX4_TX_MP_CACHE
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CFLAGS += -DMLX4_PMD_TX_MP_CACHE=$(CONFIG_RTE_LIBRTE_MLX4_TX_MP_CACHE)
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endif
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ifdef CONFIG_RTE_LIBRTE_MLX4_SOFT_COUNTERS
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CFLAGS += -DMLX4_PMD_SOFT_COUNTERS=$(CONFIG_RTE_LIBRTE_MLX4_SOFT_COUNTERS)
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endif
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include $(RTE_SDK)/mk/rte.lib.mk
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# Generate and clean-up mlx4_autoconf.h.
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export CC CFLAGS CPPFLAGS EXTRA_CFLAGS EXTRA_CPPFLAGS
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export AUTO_CONFIG_CFLAGS = -Wno-error
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ifndef V
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AUTOCONF_OUTPUT := >/dev/null
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endif
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mlx4_autoconf.h: $(RTE_SDK)/scripts/auto-config-h.sh
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$Q $(RM) -f -- '$@'
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$Q sh -- '$<' '$@' \
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RSS_SUPPORT \
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infiniband/verbs.h \
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enum IBV_EXP_DEVICE_UD_RSS $(AUTOCONF_OUTPUT)
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$Q sh -- '$<' '$@' \
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INLINE_RECV \
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infiniband/verbs.h \
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enum IBV_EXP_DEVICE_ATTR_INLINE_RECV_SZ $(AUTOCONF_OUTPUT)
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$Q sh -- '$<' '$@' \
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HAVE_EXP_QUERY_DEVICE \
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infiniband/verbs.h \
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type 'struct ibv_exp_device_attr' $(AUTOCONF_OUTPUT)
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$Q sh -- '$<' '$@' \
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HAVE_EXP_QP_BURST_CREATE_DISABLE_ETH_LOOPBACK \
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infiniband/verbs.h \
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enum IBV_EXP_QP_BURST_CREATE_DISABLE_ETH_LOOPBACK \
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$(AUTOCONF_OUTPUT)
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mlx4.o: mlx4_autoconf.h
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clean_mlx4: FORCE
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$Q rm -f -- mlx4_autoconf.h
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clean: clean_mlx4
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