On 03/11/2015 11:18 PM, Robert Yang wrote:
I met this error when building openflow in meta-networking, I guess it
maybe
related to the upgraded:
x86_64-wrs-linux-gcc -m64 -march=core2 -mtune=core2 -msse3 -mfpmath=sse
--sysroot=/buildarea/lyang1/test_qemux86-64/bitbake_build/tmp/sysroots/qemux86-64
-Wstrict-prototypes -O2 -pipe -g -feliminate-unused-debug-types -Wall
-Wno-sign-compare -Wpointer-arith -Wdeclaration-after-statement
-Wformat-security -Wswitch-enum -Wunused-parameter -Wstrict-aliasing
-Wbad-function-cast -Wcast-align -Wstrict-prototypes
-Wold-style-definition -Wmissing-prototypes -Wmissing-field-initializers
-Wno-override-init -export-dynamic -Wl,-O1 -Wl,--hash-style=gnu
-Wl,--as-needed -o secchan/ofprotocol secchan/discovery.o
secchan/emerg-flow.o secchan/fail-open.o secchan/failover.o
secchan/in-band.o secchan/port-watcher.o secchan/protocol-stat.o
secchan/ratelimit.o secchan/secchan.o secchan/status.o
secchan/stp-secchan.o lib/libopenflow.a -ldl
-L/buildarea/lyang1/test_qemux86-64/bitbake_build/tmp/sysroots/qemux86-64/usr/lib64
-lssl
/buildarea/lyang1/test_qemux86-64/bitbake_build/tmp/sysroots/x86_64-linux/usr/libexec/x86_64-wrs-linux/gcc/x86_64-wrs-linux/4.9.2/ld:
lib/libopenflow.a(vconn-ssl.o): undefined reference to symbol
'ERR_error_string@@OPENSSL_1.0.0'
/buildarea/lyang1/test_qemux86-64/bitbake_build/tmp/sysroots/qemux86-64/lib64/libcrypto.so.1.0.0:
error adding symbols: DSO missing from command line
collect2: error: ld returned 1 exit status
Robert, I am not sure about this, I just verified that ERR_error_string
is a valid symbol in libcrypto.so, maybe you nbeed to have -lcrypto in
addition to the -lssl on the command line for building openflow? I don't
see it explicitly and maybe that's needed.
Sau!
--
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