> I don't exactly know what is needed for C++. Please keep us informed. Hey Thomas,
I've attached a simple program (main.cpp main.h and Makefile) that has a C++ class and just prints some messages in the output. Despite the fact that it's working fine, I'm sure the Makefile could be written much better; Maybe I made it completer in future. All the Best, --Hamid On 1/3/14, Thomas Monjalon <thomas.monjalon at 6wind.com> wrote: > Hello, > > 03/01/2014 11:48, Hamid Ramazani : >> eal_timer.c:(.text+0x42c): undefined reference to `clock_gettime' > > From "man clock_gettime": > Link with -lrt (only for glibc versions before 2.17). > >> g++ -m64 -pthread -march=native -DRTE_MACHINE_CPUFLAG_SSE >> -DRTE_MACHINE_CPUFLAG_SSE2 -DRTE_MACHINE_CPUFLAG_SSSE3 >> -DRTE_COMPILE_TIME_CPUFLAGS=RTE_CPUFLAG_SSE,RTE_CPUFLAG_SSE2,RTE_CPUFLAG_SS >> SE3 -I/home/hamid/dpdk/dpdk-1.5.1r1/examples/sample/build/include >> -I/home/hamid/dpdk/dpdk-1.5.1r1/x86_64-default-linuxapp-gcc/include >> -include >> /home/hamid/dpdk/dpdk-1.5.1r1/x86_64-default-linuxapp-gcc/include/rte_conf >> ig.h -O3 -W -Wall -Werror -Wmissing-declarations -Wpointer-arith >> -Wcast-align -Wcast-qual -Wformat-nonliteral -Wformat-security -Wundef >> -Wwrite-strings -Wl,-melf_x86_64 -Wl,-export-dynamic sample.cpp -o >> sample -Wl,-L/home/hamid/dpdk/dpdk-1.5.1r1/examples/sample/build/lib >> -Wl,-L/home/hamid/dpdk/dpdk-1.5.1r1/x86_64-default-linuxapp-gcc/lib >> -Wl,-L/home/hamid/dpdk/dpdk-1.5.1r1/x86_64-default-linuxapp-gcc/lib >> -Wl,-lrte_kni -Wl,-lrte_pmd_e1000 -Wl,-lrte_pmd_ixgbe -Wl,-lrte_mbuf >> -Wl,-lrte_cmdline -Wl,-lrte_timer -Wl,-lrte_hash -Wl,-lrte_lpm >> -Wl,--start-group -Wl,-lethdev -Wl,-lrte_malloc -Wl,-lrte_mempool >> -Wl,-lrte_ring -Wl,-lrte_eal -Wl,-ldl -Wl,--end-group > > Try CONFIG_RTE_BUILD_COMBINE_LIBS=y and -lintel_dpdk instead of all these > libraries. You can also remove the warning options if you want. > > You can also try to build your Makefile by including files like > mk/rte.extapp.mk and defining CC=g++. > I don't exactly know what is needed for C++. Please keep us informed. > > -- > Thomas >