fix the link order of libraries

[w41ter]

Both libglog and libjemalloc depend on libunwind and should be linked before libunwind.

[nebula-community-bot]

Can one of the admins verify this patch?

[dutor]

Thank you for taking care of this.

I noticed that the proxygen package has been changed. Why is that?

[w41ter]

I only modified the proxygen/configurate.ac file in the proxygen package, and the changes were added to the build.sh file.

# LIBS="$LIBS $BOOST_LDFLAGS -lpthread -pthread -lfolly -lglog"
# ==>
# LIBS="$LIBS $BOOST_LDFLAGS -lpthread -pthread"	

in the original version, i noticed link scripts like :

./.libs/libproxygenhttp.a ../services/.libs/libproxygenservices.a -lwangle -lfolly -lz -levent -lgflags -lssl -lcrypto -ldl -lunwind -lglog -ldouble-conversion -lboost_context -lboost_system -lboost_thread -pthread

and message given by the linker：

/nebula/third-party/glog/_install/lib/libglog.a(libglog_la-utilities.o): In function `google::GetStackTrace(void**, int, int) [clone .part.7]':
utilities.cc:(.text+0x9a): undefined reference to `_Ux86_64_getcontext'
utilities.cc:(.text+0xa5): undefined reference to `_ULx86_64_init_local'
utilities.cc:(.text+0xc7): undefined reference to `_ULx86_64_step'
utilities.cc:(.text+0xe0): undefined reference to `_ULx86_64_get_reg'
utilities.cc:(.text+0xff): undefined reference to `_ULx86_64_step'

[dutor]

Jenkins, please run tests

[nebula-community-bot]

Unit testing passed.

[dutor]