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From: "Gu, YongjieX" <yongjiex.gu@intel.com>
To: Thomas Monjalon <thomas.monjalon@6wind.com>, "dev@dpdk.org" <dev@dpdk.org>
Thread-Topic: [dpdk-dev] [PATCH] mk: fix static link with glibc < 2.17
Thread-Index: AQHR4NkIU2wVWo/QNUmgJyS04ItOlqAfdjeg
Date: Wed, 20 Jul 2016 01:19:29 +0000
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Subject: Re: [dpdk-dev] [PATCH] mk: fix static link with glibc < 2.17
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Tested-by: Yongjie Gu <yongjiex.gu@intel.com>
- Check patch: success
- Apply patch: success
- compilation: success
OS: fedora20
GCC: gcc_x86-64, 4.8.3
ICC: 16.0.2
Commit: 608487f3fc96704271c624d0f3fe9d7fb2187aea<http://dpdk.org/browse/dpd=
k/commit/?id=3D608487f3fc96704271c624d0f3fe9d7fb2187aea>
i686-native-linuxapp-icc: compile pass
x86_64-native-linuxapp-gcc-combined: compile pass
i686-native-linuxapp-gcc: compile pass
x86_64-native-linuxapp-gcc: compile pass
x86_64-native-linuxapp-icc: compile pass
x86_64-native-linuxapp-gcc-debug: compile pass
x86_64-native-linuxapp-gcc-shared: compile pass
x86_64-native-linuxapp-clang: compile pass
OS: UB1204
GCC: 4.6.3
Kernel: 3.8.0-29
Commit: 608487f3fc96704271c624d0f3fe9d7fb2187aea<http://dpdk.org/browse/dpd=
k/commit/?id=3D608487f3fc96704271c624d0f3fe9d7fb2187aea>
X86_64-ivshmem-linuxapp-gcc: compile pass
Thanks
Yongjie
-----Original Message-----
From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Thomas Monjalon
Sent: Monday, July 18, 2016 5:44 PM
To: dev@dpdk.org
Subject: [dpdk-dev] [PATCH] mk: fix static link with glibc < 2.17
There is an error when linking static EAL library with an application:
eal_alarm.c:(.text+0xd7): undefined reference to `clock_gettime'
eal_alarm.c:(.text+0x20f): undefined reference to `clock_gettime'
eal_timer.c:(.text+0x108): undefined reference to `clock_gettime'
eal_timer.c:(.text+0x146): undefined reference to `clock_gettime'
The function clock_gettime() is in librt for old glibc.
Fixes: 281948b4753e ("mk: fix missing librt dependencies")
Signed-off-by: Thomas Monjalon <thomas.monjalon@6wind.com<mailto:thomas.mon=
jalon@6wind.com>>
---
mk/rte.app.mk | 1 +
1 file changed, 1 insertion(+)
diff --git a/mk/rte.app.mk b/mk/rte.app.mk index 886dbdd..eb28e11 100644
--- a/mk/rte.app.mk
+++ b/mk/rte.app.mk
@@ -151,6 +151,7 @@ _LDLIBS-y +=3D --no-whole-archive ifeq ($(CONFIG_RTE_B=
UILD_SHARED_LIB),n)
# The static libraries do not know their dependencies.
# So linking with static library requires explicit dependencies.
+_LDLIBS-$(CONFIG_RTE_LIBRTE_EAL) +=3D -lrt
_LDLIBS-$(CONFIG_RTE_LIBRTE_SCHED) +=3D -lm
_LDLIBS-$(CONFIG_RTE_LIBRTE_SCHED) +=3D -lrt
_LDLIBS-$(CONFIG_RTE_LIBRTE_METER) +=3D -lm
--
2.7.0