>-----Original Message----- >From: Thomas Monjalon [mailto:thomas.monjalon at 6wind.com] >Sent: Tuesday, March 22, 2016 9:55 AM >To: Mrzyglod, DanielX T <danielx.t.mrzyglod at intel.com> >Cc: dev at dpdk.org >Subject: Re: [dpdk-dev] [PATCH] mk: fix eal shared library dependencies -lrt > >2016-03-22 09:09, Daniel Mrzyglod: >> For GLIBC < 2.17 it is necessery to add -lrt for linker >> from glibc > 2.17 The `clock_*' suite of functions (declared in <time.h>) is >> now >> available directly in the main C library. This affect Ubuntu 12.04 in i686 >> and other older Linux Distros). >[...] >> --- a/app/test/Makefile >> +++ b/app/test/Makefile >> @@ -114,6 +114,7 @@ SRCS-$(CONFIG_RTE_LIBRTE_CMDLINE) += >test_cmdline_string.c >> SRCS-$(CONFIG_RTE_LIBRTE_CMDLINE) += test_cmdline_lib.c >> >> ifeq ($(CONFIG_RTE_LIBRTE_SCHED),y) >> +LDFLAGS += -lrt > >Why are you adding it only for librte_sched? >Is it needed by librte_sched or by some functions testing librte_sched?
Every clock_gettime() needs -lrt for >=GLIBC2.17. For glibc2.17 and above `clock_*' suite of functions (declared in <time.h>) is now available directly in the main C library. In test it's only in test_red.c and I see that I missed it in ptpclient example probably. So I will send Patch v2
