I'd suggest the first thing you try is deleting your build directory and rebuilding from scratch starting with mkdir build ; cd build ; ../configure.
-- Murphy On May 7, 2012, at 7:41 PM, YIMIN CHEN wrote: > Hi, > > I previously sent an email asking about how to use gdb on nox > controller. With help from the list, I am about to gdb the nox > controller, but find out it is optimized so I couldn't see any > meaningful value. To remove optimization, I changed Makefile under > nox/build/src to remove the -O2 flag, did a make clean, and do make -j > again to build nox_core. However, previously working compilation now > breaks, complaining some linker issue: > > nox_main.o: In function `main': > /home/jason1/xiaoyan_full/nox/build/src/../../src/nox_main.cc:510: > undefined reference to `vigil::nox::init()' > /home/jason1/xiaoyan_full/nox/build/src/../../src/nox_main.cc:556: > undefined reference to > `vigil::nox::register_handler(std::basic_string<char, > std::char_traits<char>, std::allocator<char> > const&, > boost::function<vigil::Disposition ()(vigil::Event const&)>, int)' > /home/jason1/xiaoyan_full/nox/build/src/../../src/nox_main.cc:559: > undefined reference to `vigil::nox::run()' > nox_main.o: In function `finish_booting': > /home/jason1/xiaoyan_full/nox/build/src/../../src/nox_main.cc:603: > undefined reference to > `vigil::nox::connect(vigil::Openflow_connection_factory*, bool)' > > > It was doing the following while getting the linker issue : > > /bin/bash ../libtool --tag=CXX --mode=link g++ > -fno-omit-frame-pointer -fno-strict-aliasing -Wall -Wno-sign-compare > -Winit-self -Wformat-nonliteral -Wformat-security -g -R/usr/local/bin > -export-dynamic -L/usr/lib -lboost_unit_test_framework-mt > -lboost_filesystem-mt -lssl -Wl,-E -o nox_core components.xsd.o > nox.xsd.o nox_main.o ./builtin/.libs/libbuiltin.la ./lib/libnoxcore.la > libtool: link: g++ -fno-omit-frame-pointer -fno-strict-aliasing -Wall > -Wno-sign-compare -Winit-self -Wformat-nonliteral -Wformat-security -g > -Wl,-E -o .libs/nox_core components.xsd.o nox.xsd.o nox_main.o > -Wl,--export-dynamic -L/usr/lib -lboost_unit_test_framework-mt > -lboost_filesystem-mt -lssl ./builtin/.libs/libbuiltin.so > ./lib/.libs/libnoxcore.so -Wl,-rpath -Wl,/usr/local/bin/builtin > -Wl,-rpath -Wl,/usr/local/bin > > I looked in build directory and all the .o files are there. > > jason1@jason1:~/xiaoyan_full/nox/build$ find . -name nox.xsd.o > ./src/nox.xsd.o > jason1@jason1:~/xiaoyan_full/nox/build$ find . -name nox_main.o > ./src/nox_main.o > jason1@jason1:~/xiaoyan_full/nox/build$ find . -name components.xsd.o > ./src/components.xsd.o > > Anyone can shield some light on this? Is there some dependency issue I > am missing here? It built fine before I did the makefile change, but > once it breaks, even if I restore the original makefile, it still > breaks. > > > Thanks! > Yimin
