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mk: force --no-as-needed for spdk libs.

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When building shared libs, we specifically don't set the --as-needed
flag so that we still link against libraries that have constructor
functions. LD reports on its man page that the default behavior is
equivalent to --no-as-needed.

For RHEL based distros like fedora and centos this works fine. While
the LD man page shipped with ubuntu distributions also states that
--no-as-needed is the default, they don't respect that behavior and do
--as-needed linking unless you force them with --no-as-needed.

Change-Id: I914ab849323de198af5c5e53fffb1f57fcaff5fe
Signed-off-by: Seth Howell <seth.howell@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/464621
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
This commit is contained in:
Seth Howell 2019-08-08 17:46:56 -07:00 committed by Jim Harris
parent b3cf508f56
commit e29c6fe133
2 changed files with 2 additions and 1 deletions
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2
lib/env_dpdk/env.mk
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@ -116,7 +116,7 @@ ENV_CFLAGS = $(DPDK_INC) -Wno-deprecated-declarations
ENV_CXXFLAGS = $(ENV_CFLAGS) ENV_CXXFLAGS = $(ENV_CFLAGS)
ENV_DPDK_FILE = $(call spdk_lib_list_to_static_libs,env_dpdk) ENV_DPDK_FILE = $(call spdk_lib_list_to_static_libs,env_dpdk)
ENV_LIBS = $(ENV_DPDK_FILE) $(DPDK_LIB) ENV_LIBS = $(ENV_DPDK_FILE) $(DPDK_LIB)
ENV_LINKER_ARGS = $(ENV_DPDK_FILE) -Wl,--whole-archive $(DPDK_LIB) -Wl,--no-whole-archive ENV_LINKER_ARGS = $(ENV_DPDK_FILE) -Wl,--whole-archive,--no-as-needed $(DPDK_LIB) -Wl,--no-whole-archive
ifeq ($(CONFIG_IPSEC_MB),y) ifeq ($(CONFIG_IPSEC_MB),y)
ENV_LINKER_ARGS += -lIPSec_MB -L$(IPSEC_MB_DIR) ENV_LINKER_ARGS += -lIPSec_MB -L$(IPSEC_MB_DIR)

1
mk/spdk.app_vars.mk
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@ -35,6 +35,7 @@ SPDK_LIB_FILES = $(call spdk_lib_list_to_static_libs,$(SPDK_LIB_LIST))
SPDK_LIB_LINKER_ARGS = \ SPDK_LIB_LINKER_ARGS = \
-L$(SPDK_ROOT_DIR)/build/lib \ -L$(SPDK_ROOT_DIR)/build/lib \
-Wl,--whole-archive \ -Wl,--whole-archive \
-Wl,--no-as-needed \
$(SPDK_LIB_LIST:%=-lspdk_%) \ $(SPDK_LIB_LIST:%=-lspdk_%) \
-Wl,--no-whole-archive -Wl,--no-whole-archive