On 4/30/15, 4:45 AM, "Olivier MATZ" <olivier.matz at 6wind.com> wrote:
>Hi Keith, > >Thank you for submitting a clean-up. Please see some comments below. > >On 04/29/2015 05:25 PM, Keith Wiles wrote: >> Trying to simplify the ifdefs in rte.app.mk to make the code >> more readable and maintainable by moving LDLIBS variable to use >> the same style as LDLIBS-y being used in the rest of the code. >> >> Added a new variable called EXTRA_LDLIBS to be used by example apps >> instead of using LDLIBS directly. > >If I understand well, the goal of this patch is only a cleanup in >rte.app.mk, but at the end, it changes the makefile user "API", >which could probably be a problem for applications using the >dpdk makefile framework. > >Why not just having an temporary internal variable (let's say >_LDLIBS-y) that would allow to do the clean-up without modifying >the user interface? > >Also, with your patch, the approach for EXTRA_LDLIBS would be >different than CFLAGS or LDFLAGS: >- CFLAGS/LDFLAGS are in Makefiles only >- EXTRA_CFLAGS/EXTRA_LDFLAGS are prefered in command line > to add flags to the default ones > >I'm not opposed to add EXTRA_LDLIBS in addition to LDLIBS, >keeping a compatibility with existing application Makefiles. The docs for DPDK 28.3.6 states they can be used for both command line and Makefile, so I think I like the current solution unless everyone wants it as you suggested. http://dpdk.readthedocs.org/en/v2.0.0/prog_guide/dev_kit_build_system.html > >What do you think? > >Regards, >Olivier > > > >> >> Signed-off-by: Keith Wiles <keith.wiles at intel.com> >> --- >> examples/dpdk_qat/Makefile | 4 +- >> examples/vm_power_manager/Makefile | 2 +- >> mk/rte.app.mk | 254 >>++++++++++--------------------------- >> mk/rte.hostapp.mk | 4 +- >> mk/rte.shared.mk | 12 +- >> 5 files changed, 77 insertions(+), 199 deletions(-) >> >> diff --git a/examples/dpdk_qat/Makefile b/examples/dpdk_qat/Makefile >> index f1e06a1..90ca1d3 100644 >> --- a/examples/dpdk_qat/Makefile >> +++ b/examples/dpdk_qat/Makefile >> @@ -77,8 +77,8 @@ else >> ICP_LIBRARY_PATH = $(ICP_ROOT)/build/libicp_qa_al.a >> endif >> >> -LDLIBS += -L$(ICP_ROOT)/build >> -LDLIBS += $(ICP_LIBRARY_PATH) \ >> +EXTRA_LDLIBS += -L$(ICP_ROOT)/build >> +EXTRA_LDLIBS += $(ICP_LIBRARY_PATH) \ >> -lz \ >> -losal \ >> -ladf_proxy \ >> diff --git a/examples/vm_power_manager/Makefile >>b/examples/vm_power_manager/Makefile >> index 113dbc4..8fb78d4 100644 >> --- a/examples/vm_power_manager/Makefile >> +++ b/examples/vm_power_manager/Makefile >> @@ -48,7 +48,7 @@ SRCS-y += channel_monitor.c >> CFLAGS += -O3 -I$(RTE_SDK)/lib/librte_power/ >> CFLAGS += $(WERROR_FLAGS) >> >> -LDLIBS += -lvirt >> +EXTRA_LDLIBS += -lvirt >> >> # workaround for a gcc bug with noreturn attribute >> # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12603 >> diff --git a/mk/rte.app.mk b/mk/rte.app.mk >> index 62a76ae..c41de82 100644 >> --- a/mk/rte.app.mk >> +++ b/mk/rte.app.mk >> @@ -1,7 +1,7 @@ >> # BSD LICENSE >> # >> -# Copyright(c) 2010-2014 Intel Corporation. All rights reserved. >> -# Copyright(c) 2014 6WIND S.A. >> +# Copyright(c) 2010-2015 Intel Corporation. All rights reserved. >> +# Copyright(c) 2015 6WIND S.A. >> # All rights reserved. >> # >> # Redistribution and use in source and binary forms, with or without >> @@ -51,7 +51,7 @@ LDSCRIPT = $(RTE_LDSCRIPT) >> endif >> >> # default path for libs >> -LDLIBS += -L$(RTE_SDK_BIN)/lib >> +LDLIBS-y += -L$(RTE_SDK_BIN)/lib >> >> # >> # Include libraries depending on config if NO_AUTOLIBS is not set >> @@ -59,215 +59,93 @@ LDLIBS += -L$(RTE_SDK_BIN)/lib >> # >> ifeq ($(NO_AUTOLIBS),) >> >> -LDLIBS += --whole-archive >> +LDLIBS-y += --whole-archive >> >> -ifeq ($(CONFIG_RTE_BUILD_COMBINE_LIBS),y) >> -LDLIBS += -l$(RTE_LIBNAME) >> -endif >> +LDLIBS-$(CONFIG_RTE_BUILD_COMBINE_LIBS) += -l$(RTE_LIBNAME) >> >> ifeq ($(CONFIG_RTE_BUILD_COMBINE_LIBS),n) >> >> -ifeq ($(CONFIG_RTE_LIBRTE_DISTRIBUTOR),y) >> -LDLIBS += -lrte_distributor >> -endif >> - >> -ifeq ($(CONFIG_RTE_LIBRTE_REORDER),y) >> -LDLIBS += -lrte_reorder >> -endif >> +LDLIBS-$(CONFIG_RTE_LIBRTE_DISTRIBUTOR) += -lrte_distributor >> +LDLIBS-$(CONFIG_RTE_LIBRTE_REORDER) += -lrte_reorder >> >> -ifeq ($(CONFIG_RTE_LIBRTE_KNI),y) >> ifeq ($(CONFIG_RTE_EXEC_ENV_LINUXAPP),y) >> -LDLIBS += -lrte_kni >> -endif >> +LDLIBS-$(CONFIG_RTE_LIBRTE_KNI) += -lrte_kni >> +LDLIBS-$(CONFIG_RTE_LIBRTE_IVSHMEM) += -lrte_ivshmem >> endif >> >> -ifeq ($(CONFIG_RTE_LIBRTE_IVSHMEM),y) >> -ifeq ($(CONFIG_RTE_EXEC_ENV_LINUXAPP),y) >> -LDLIBS += -lrte_ivshmem >> -endif >> -endif >> +LDLIBS-$(CONFIG_RTE_LIBRTE_PIPELINE) += -lrte_pipeline >> +LDLIBS-$(CONFIG_RTE_LIBRTE_TABLE) += -lrte_table >> +LDLIBS-$(CONFIG_RTE_LIBRTE_PORT) += -lrte_port >> +LDLIBS-$(CONFIG_RTE_LIBRTE_TIMER) += -lrte_timer >> +LDLIBS-$(CONFIG_RTE_LIBRTE_HASH) += -lrte_hash >> +LDLIBS-$(CONFIG_RTE_LIBRTE_JOBSTATS) += -lrte_jobstats >> +LDLIBS-$(CONFIG_RTE_LIBRTE_LPM) += -lrte_lpm >> +LDLIBS-$(CONFIG_RTE_LIBRTE_POWER) += -lrte_power >> +LDLIBS-$(CONFIG_RTE_LIBRTE_ACL) += -lrte_acl >> +LDLIBS-$(CONFIG_RTE_LIBRTE_METER) += -lrte_meter >> >> -ifeq ($(CONFIG_RTE_LIBRTE_PIPELINE),y) >> -LDLIBS += -lrte_pipeline >> -endif >> +LDLIBS-$(CONFIG_RTE_LIBRTE_SCHED) += -lrte_sched >> +LDLIBS-$(CONFIG_RTE_LIBRTE_SCHED) += -lm >> +LDLIBS-$(CONFIG_RTE_LIBRTE_SCHED) += -lrt >> >> -ifeq ($(CONFIG_RTE_LIBRTE_TABLE),y) >> -LDLIBS += -lrte_table >> -endif >> - >> -ifeq ($(CONFIG_RTE_LIBRTE_PORT),y) >> -LDLIBS += -lrte_port >> -endif >> - >> -ifeq ($(CONFIG_RTE_LIBRTE_TIMER),y) >> -LDLIBS += -lrte_timer >> -endif >> - >> -ifeq ($(CONFIG_RTE_LIBRTE_HASH),y) >> -LDLIBS += -lrte_hash >> -endif >> - >> -ifeq ($(CONFIG_RTE_LIBRTE_JOBSTATS),y) >> -LDLIBS += -lrte_jobstats >> -endif >> - >> -ifeq ($(CONFIG_RTE_LIBRTE_LPM),y) >> -LDLIBS += -lrte_lpm >> -endif >> - >> -ifeq ($(CONFIG_RTE_LIBRTE_POWER),y) >> -LDLIBS += -lrte_power >> -endif >> - >> -ifeq ($(CONFIG_RTE_LIBRTE_ACL),y) >> -LDLIBS += -lrte_acl >> -endif >> - >> -ifeq ($(CONFIG_RTE_LIBRTE_METER),y) >> -LDLIBS += -lrte_meter >> -endif >> - >> -ifeq ($(CONFIG_RTE_LIBRTE_SCHED),y) >> -LDLIBS += -lrte_sched >> -LDLIBS += -lm >> -LDLIBS += -lrt >> -endif >> - >> -ifeq ($(CONFIG_RTE_LIBRTE_VHOST), y) >> -LDLIBS += -lrte_vhost >> -endif >> +LDLIBS-$(CONFIG_RTE_LIBRTE_VHOST) += -lrte_vhost >> >> endif # ! CONFIG_RTE_BUILD_COMBINE_LIBS >> >> -ifeq ($(CONFIG_RTE_LIBRTE_PMD_PCAP),y) >> -LDLIBS += -lpcap >> -endif >> +LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_PCAP) += -lpcap >> >> -ifeq ($(CONFIG_RTE_LIBRTE_VHOST)$(CONFIG_RTE_LIBRTE_VHOST_USER),yn) >> -LDLIBS += -lfuse >> +ifeq ($(CONFIG_RTE_LIBRTE_VHOST_USER),n) >> +LDLIBS-$(CONFIG_RTE_LIBRTE_VHOST) += -lfuse >> endif >> >> -ifeq ($(CONFIG_RTE_LIBRTE_MLX4_PMD),y) >> -LDLIBS += -libverbs >> -endif >> +LDLIBS-$(CONFIG_RTE_LIBRTE_MLX4_PMD) += -libverbs >> >> -LDLIBS += --start-group >> +LDLIBS-y += --start-group >> >> ifeq ($(CONFIG_RTE_BUILD_COMBINE_LIBS),n) >> >> -ifeq ($(CONFIG_RTE_LIBRTE_KVARGS),y) >> -LDLIBS += -lrte_kvargs >> -endif >> - >> -ifeq ($(CONFIG_RTE_LIBRTE_MBUF),y) >> -LDLIBS += -lrte_mbuf >> -endif >> - >> -ifeq ($(CONFIG_RTE_LIBRTE_IP_FRAG),y) >> -LDLIBS += -lrte_ip_frag >> -endif >> - >> -ifeq ($(CONFIG_RTE_LIBRTE_ETHER),y) >> -LDLIBS += -lethdev >> -endif >> - >> -ifeq ($(CONFIG_RTE_LIBRTE_MALLOC),y) >> -LDLIBS += -lrte_malloc >> -endif >> - >> -ifeq ($(CONFIG_RTE_LIBRTE_MEMPOOL),y) >> -LDLIBS += -lrte_mempool >> -endif >> - >> -ifeq ($(CONFIG_RTE_LIBRTE_RING),y) >> -LDLIBS += -lrte_ring >> -endif >> - >> -ifeq ($(CONFIG_RTE_LIBRTE_EAL),y) >> -LDLIBS += -lrte_eal >> -endif >> - >> -ifeq ($(CONFIG_RTE_LIBRTE_CMDLINE),y) >> -LDLIBS += -lrte_cmdline >> -endif >> - >> -ifeq ($(CONFIG_RTE_LIBRTE_CFGFILE),y) >> -LDLIBS += -lrte_cfgfile >> -endif >> - >> -ifeq ($(CONFIG_RTE_LIBRTE_PMD_BOND),y) >> -LDLIBS += -lrte_pmd_bond >> -endif >> - >> -ifeq ($(CONFIG_RTE_LIBRTE_PMD_XENVIRT),y) >> -LDLIBS += -lrte_pmd_xenvirt >> -LDLIBS += -lxenstore >> -endif >> +LDLIBS-$(CONFIG_RTE_LIBRTE_KVARGS) += -lrte_kvargs >> +LDLIBS-$(CONFIG_RTE_LIBRTE_MBUF) += -lrte_mbuf >> +LDLIBS-$(CONFIG_RTE_LIBRTE_IP_FRAG) += -lrte_ip_frag >> +LDLIBS-$(CONFIG_RTE_LIBRTE_ETHER) += -lethdev >> +LDLIBS-$(CONFIG_RTE_LIBRTE_MALLOC) += -lrte_malloc >> +LDLIBS-$(CONFIG_RTE_LIBRTE_MEMPOOL) += -lrte_mempool >> +LDLIBS-$(CONFIG_RTE_LIBRTE_RING) += -lrte_ring >> +LDLIBS-$(CONFIG_RTE_LIBRTE_EAL) += -lrte_eal >> +LDLIBS-$(CONFIG_RTE_LIBRTE_CMDLINE) += -lrte_cmdline >> +LDLIBS-$(CONFIG_RTE_LIBRTE_CFGFILE) += -lrte_cfgfile >> +LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_BOND) += -lrte_pmd_bond >> + >> +LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_XENVIRT) += -lrte_pmd_xenvirt >> +LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_XENVIRT) += -lxenstore >> >> ifeq ($(CONFIG_RTE_BUILD_SHARED_LIB),n) >> # plugins (link only if static libraries) >> >> -ifeq ($(CONFIG_RTE_LIBRTE_VMXNET3_PMD),y) >> -LDLIBS += -lrte_pmd_vmxnet3_uio >> -endif >> - >> -ifeq ($(CONFIG_RTE_LIBRTE_VIRTIO_PMD),y) >> -LDLIBS += -lrte_pmd_virtio >> -endif >> - >> -ifeq ($(CONFIG_RTE_LIBRTE_ENIC_PMD),y) >> -LDLIBS += -lrte_pmd_enic >> -endif >> - >> -ifeq ($(CONFIG_RTE_LIBRTE_I40E_PMD),y) >> -LDLIBS += -lrte_pmd_i40e >> -endif >> - >> -ifeq ($(CONFIG_RTE_LIBRTE_FM10K_PMD),y) >> -LDLIBS += -lrte_pmd_fm10k >> -endif >> - >> -ifeq ($(CONFIG_RTE_LIBRTE_IXGBE_PMD),y) >> -LDLIBS += -lrte_pmd_ixgbe >> -endif >> - >> -ifeq ($(CONFIG_RTE_LIBRTE_E1000_PMD),y) >> -LDLIBS += -lrte_pmd_e1000 >> -endif >> - >> -ifeq ($(CONFIG_RTE_LIBRTE_MLX4_PMD),y) >> -LDLIBS += -lrte_pmd_mlx4 >> -endif >> - >> -ifeq ($(CONFIG_RTE_LIBRTE_PMD_RING),y) >> -LDLIBS += -lrte_pmd_ring >> -endif >> - >> -ifeq ($(CONFIG_RTE_LIBRTE_PMD_PCAP),y) >> -LDLIBS += -lrte_pmd_pcap >> -endif >> - >> -ifeq ($(CONFIG_RTE_LIBRTE_PMD_AF_PACKET),y) >> -LDLIBS += -lrte_pmd_af_packet >> -endif >> - >> -ifeq ($(CONFIG_RTE_LIBRTE_PMD_NULL),y) >> -LDLIBS += -lrte_pmd_null >> -endif >> - >> -endif # plugins >> +LDLIBS-$(CONFIG_RTE_LIBRTE_VMXNET3_PMD) += -lrte_pmd_vmxnet3_uio >> +LDLIBS-$(CONFIG_RTE_LIBRTE_VIRTIO_PMD) += -lrte_pmd_virtio >> +LDLIBS-$(CONFIG_RTE_LIBRTE_ENIC_PMD) += -lrte_pmd_enic >> +LDLIBS-$(CONFIG_RTE_LIBRTE_I40E_PMD) += -lrte_pmd_i40e >> +LDLIBS-$(CONFIG_RTE_LIBRTE_FM10K_PMD) += -lrte_pmd_fm10k >> +LDLIBS-$(CONFIG_RTE_LIBRTE_IXGBE_PMD) += -lrte_pmd_ixgbe >> +LDLIBS-$(CONFIG_RTE_LIBRTE_E1000_PMD) += -lrte_pmd_e1000 >> +LDLIBS-$(CONFIG_RTE_LIBRTE_MLX4_PMD) += -lrte_pmd_mlx4 >> +LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_RING) += -lrte_pmd_ring >> +LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_PCAP) += -lrte_pmd_pcap >> +LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_AF_PACKET) += -lrte_pmd_af_packet >> +LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_NULL) += -lrte_pmd_null >> + >> +endif # ! $(CONFIG_RTE_BUILD_SHARED_LIB) >> >> endif # ! CONFIG_RTE_BUILD_COMBINE_LIBS >> >> -LDLIBS += $(EXECENV_LDLIBS) >> - >> -LDLIBS += --end-group >> - >> -LDLIBS += --no-whole-archive >> +LDLIBS-y += $(EXECENV_LDLIBS) >> +LDLIBS-y += --end-group >> +LDLIBS-y += --no-whole-archive >> >> endif # ifeq ($(NO_AUTOLIBS),) >> >> -LDLIBS += $(CPU_LDLIBS) >> +LDLIBS-y += $(EXTRA_LDLIBS) >> >> .PHONY: all >> all: install >> @@ -286,10 +164,10 @@ ifeq ($(LINK_USING_CC),1) >> override EXTRA_LDFLAGS := $(call linkerprefix,$(EXTRA_LDFLAGS)) >> O_TO_EXE = $(CC) $(CFLAGS) $(LDFLAGS_$(@)) \ >> -Wl,-Map=$(@).map,--cref -o $@ $(OBJS-y) $(call >>linkerprefix,$(LDFLAGS)) \ >> - $(EXTRA_LDFLAGS) $(call linkerprefix,$(LDLIBS)) >> + $(EXTRA_LDFLAGS) $(call linkerprefix,$(LDLIBS-y)) >> else >> O_TO_EXE = $(LD) $(LDFLAGS) $(LDFLAGS_$(@)) $(EXTRA_LDFLAGS) \ >> - -Map=$(@).map --cref -o $@ $(OBJS-y) $(LDLIBS) >> + -Map=$(@).map --cref -o $@ $(OBJS-y) $(LDLIBS-y) >> endif >> O_TO_EXE_STR = $(subst ','\'',$(O_TO_EXE)) #'# fix syntax highlight >> O_TO_EXE_DISP = $(if $(V),"$(O_TO_EXE_STR)"," LD $(@)") >> @@ -302,12 +180,12 @@ O_TO_EXE_DO = @set -e; \ >> -include .$(APP).cmd >> >> # path where libraries are retrieved >> -LDLIBS_PATH := $(subst -Wl$(comma)-L,,$(filter >>-Wl$(comma)-L%,$(LDLIBS))) >> -LDLIBS_PATH += $(subst -L,,$(filter -L%,$(LDLIBS))) >> +LDLIBS_PATH := $(subst -Wl$(comma)-L,,$(filter >>-Wl$(comma)-L%,$(LDLIBS-y))) >> +LDLIBS_PATH += $(subst -L,,$(filter -L%,$(LDLIBS-y))) >> >> # list of .a files that are linked to this application >> -LDLIBS_NAMES := $(patsubst -l%,lib%.a,$(filter -l%,$(LDLIBS))) >> -LDLIBS_NAMES += $(patsubst -Wl$(comma)-l%,lib%.a,$(filter >>-Wl$(comma)-l%,$(LDLIBS))) >> +LDLIBS_NAMES := $(patsubst -l%,lib%.a,$(filter -l%,$(LDLIBS-y))) >> +LDLIBS_NAMES += $(patsubst -Wl$(comma)-l%,lib%.a,$(filter >>-Wl$(comma)-l%,$(LDLIBS-y))) >> >> # list of found libraries files (useful for deps). If not found, the >> # library is silently ignored and dep won't be checked >> diff --git a/mk/rte.hostapp.mk b/mk/rte.hostapp.mk >> index c44d0f8..51e8c1d 100644 >> --- a/mk/rte.hostapp.mk >> +++ b/mk/rte.hostapp.mk >> @@ -58,7 +58,7 @@ build: _postbuild >> exe2cmd = $(strip $(call dotfile,$(patsubst %,%.cmd,$(1)))) >> >> O_TO_EXE = $(HOSTCC) $(HOST_LDFLAGS) $(LDFLAGS_$(@)) \ >> - $(EXTRA_HOST_LDFLAGS) -o $@ $(OBJS-y) $(LDLIBS) >> + $(EXTRA_HOST_LDFLAGS) -o $@ $(OBJS-y) $(LDLIBS-y) >> O_TO_EXE_STR = $(subst ','\'',$(O_TO_EXE)) #'# fix syntax highlight >> O_TO_EXE_DISP = $(if $(V),"$(O_TO_EXE_STR)"," HOSTLD $(@)") >> O_TO_EXE_CMD = "cmd_$@ = $(O_TO_EXE_STR)" >> @@ -72,7 +72,7 @@ O_TO_EXE_DO = @set -e; \ >> # list of .a files that are linked to this application >> LDLIBS_FILES := $(wildcard \ >> $(addprefix $(RTE_OUTPUT)/lib/, \ >> - $(patsubst -l%,lib%.a,$(filter -l%,$(LDLIBS))))) >> + $(patsubst -l%,lib%.a,$(filter -l%,$(LDLIBS-y))))) >> >> # >> # Compile executable file if needed >> diff --git a/mk/rte.shared.mk b/mk/rte.shared.mk >> index fc6b0b4..56f20bb 100644 >> --- a/mk/rte.shared.mk >> +++ b/mk/rte.shared.mk >> @@ -60,10 +60,10 @@ exe2cmd = $(strip $(call dotfile,$(patsubst >>%,%.cmd,$(1)))) >> ifeq ($(LINK_USING_CC),1) >> override EXTRA_LDFLAGS := $(call linkerprefix,$(EXTRA_LDFLAGS)) >> O_TO_SO = $(CC) $(call linkerprefix,$(LDFLAGS)) $(LDFLAGS_$(@)) >>$(EXTRA_LDFLAGS) \ >> - -shared -o $@ $(OBJS-y) $(call linkerprefix,$(LDLIBS)) >> + -shared -o $@ $(OBJS-y) $(call linkerprefix,$(LDLIBS-y)) >> else >> O_TO_SO = $(LD) $(LDFLAGS) $(LDFLAGS_$(@)) $(EXTRA_LDFLAGS) \ >> - -shared -o $@ $(OBJS-y) $(LDLIBS) >> + -shared -o $@ $(OBJS-y) $(LDLIBS-y) >> endif >> >> O_TO_SO_STR = $(subst ','\'',$(O_TO_SO)) #'# fix syntax highlight >> @@ -77,12 +77,12 @@ O_TO_SO_DO = @set -e; \ >> -include .$(SHARED).cmd >> >> # path where libraries are retrieved >> -LDLIBS_PATH := $(subst -Wl$(comma)-L,,$(filter >>-Wl$(comma)-L%,$(LDLIBS))) >> -LDLIBS_PATH += $(subst -L,,$(filter -L%,$(LDLIBS))) >> +LDLIBS_PATH := $(subst -Wl$(comma)-L,,$(filter >>-Wl$(comma)-L%,$(LDLIBS-y))) >> +LDLIBS_PATH += $(subst -L,,$(filter -L%,$(LDLIBS-y))) >> >> # list of .a files that are linked to this application >> -LDLIBS_NAMES := $(patsubst -l%,lib%.a,$(filter -l%,$(LDLIBS))) >> -LDLIBS_NAMES += $(patsubst -Wl$(comma)-l%,lib%.a,$(filter >>-Wl$(comma)-l%,$(LDLIBS))) >> +LDLIBS_NAMES := $(patsubst -l%,lib%.a,$(filter -l%,$(LDLIBS-y))) >> +LDLIBS_NAMES += $(patsubst -Wl$(comma)-l%,lib%.a,$(filter >>-Wl$(comma)-l%,$(LDLIBS-y))) >> >> # list of found libraries files (useful for deps). If not found, the >> # library is silently ignored and dep won't be checked >> >
