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From: Daniel Mrzyglod <danielx.t.mrzyglod@intel.com>
To: dev@dpdk.org
Date: Tue, 22 Mar 2016 13:51:02 +0100
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Subject: [dpdk-dev] [PATCH v3] mk: fix eal shared library dependencies -lrt
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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).
v3: change LDFLAGS to LDLIBS
v2: Add missed example
v1: Initial revision
Fixes: 4758404a3084 ("mk: fix eal shared library dependencies")
Signed-off-by: Daniel Mrzyglod <danielx.t.mrzyglod@intel.com>
---
app/test/Makefile | 1 +
examples/ptpclient/Makefile | 1 +
lib/librte_eal/linuxapp/eal/Makefile | 1 +
3 files changed, 3 insertions(+)
diff --git a/app/test/Makefile b/app/test/Makefile
index 00e4df2..707930f 100644
--- 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)
+LDLIBS += -lrt
SRCS-y += test_red.c
SRCS-y += test_sched.c
endif
diff --git a/examples/ptpclient/Makefile b/examples/ptpclient/Makefile
index b77cf71..082c690 100644
--- a/examples/ptpclient/Makefile
+++ b/examples/ptpclient/Makefile
@@ -46,6 +46,7 @@ SRCS-y := ptpclient.c
CFLAGS += -O3
CFLAGS += $(WERROR_FLAGS)
+LDLIBS += -lrt
# workaround for a gcc bug with noreturn attribute
# http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12603
diff --git a/lib/librte_eal/linuxapp/eal/Makefile b/lib/librte_eal/linuxapp/eal/Makefile
index 25b3a8e..1860739 100644
--- a/lib/librte_eal/linuxapp/eal/Makefile
+++ b/lib/librte_eal/linuxapp/eal/Makefile
@@ -52,6 +52,7 @@ CFLAGS += $(WERROR_FLAGS) -O3
LDLIBS += -ldl
LDLIBS += -lpthread
LDLIBS += -lgcc_s
+LDLIBS += -lrt
# specific to linuxapp exec-env
SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) := eal.c
--
2.5.5