julia-config.jl is hardly useful at all. I unpacked the Linux binary of Julia (0.5) in ~/Software/julia-9c76c3e89a, and I set JULIA_DIR accordingly. When I execute julia-config in the following way, I got all kinds of "undefined reference to" error messages.
> $JULIA_DIR/share/julia/julia-config.jl --cflags --ldflags --ldlibs | xargs g++ test6.cpp /usr/bin/ld: warning: libLLVM-3.7.1.so, needed by /home/xxx/Software/julia-9c76c3e89a/lib/libjulia.so, not found (try using -rpath or -rpath-link) /home/xxx/Software/julia-9c76c3e89a/lib/libjulia.so: undefined reference to `llvm::AttributeSet::hasAttribute(unsigned int, llvm::Attribute::AttrKind) const' /home/xxx/Software/julia-9c76c3e89a/lib/libjulia.so: undefined reference to `llvm::LoopBase<llvm::BasicBlock, llvm::Loop>::getLoopLatch() const' ......... If I only execute julia-config for flags, and I use these flags to cook up g++ script, and the g++ script got me the same problems. > $JULIA_DIR/share/julia/julia-config.jl --cflags --ldflags --ldlibs -DJULIA_ENABLE_THREADING=1 -fPIC -DJULIA_INIT_DIR=\"/home/xxx/Software/julia-9c76c3e89a/lib\" -I/home/xxx/Software/julia-9c76c3e89a/include/julia -L/home/xxx/Software/julia-9c76c3e89a/lib -Wl,-rpath,/home/xxx/Software/julia-9c76c3e89a/lib -ljulia The output for --ldflags is clearly incorrect or incomplete for my installation on Ubuntu. The script that generally works for me is the following, where some extra things have to be set. > g++ -o test -fPIC -I$JULIA_DIR/include/julia test6.cpp -L$JULIA_DIR/lib/ -L$JULIA_DIR/lib/julia -lLLVM-3.7.1 -ljulia $JULIA_DIR/lib/julia/libstdc++.so.6 On Saturday, September 10, 2016 at 7:06:34 PM UTC+8, Yichao Yu wrote: > > > > On Sat, Sep 10, 2016 at 6:56 AM, K leo <cnbi...@gmail.com <javascript:>> > wrote: > >> I tried to compile the code with the GC statements, but got a bunch of >> error regarding jl_tls_states: >> > > > Use julia-config.jl to determine your compile flags. > > >> >> test6.cpp:(.text+0xd5): undefined reference to `jl_tls_states' >> >> The compile script is as follows: >> g++ -o test -fPIC -I$JULIA_DIR/include/julia test6.cpp -L$JULIA_DIR/lib/ >> -L$JULIA_DIR/lib/julia -lLLVM-3.7.1 -ljulia >> $JULIA_DIR/lib/julia/libstdc++.so.6 >> >> Where is `jl_tls_states' defined? >> >> >> On Saturday, September 10, 2016 at 5:20:02 PM UTC+8, Bart Janssens wrote: >>> >>> I just realise I made a typo, the rooting should be done using: (note >>> the &) >>> >>> JL_GC_PUSH2(&a,&b); >>> >>> Op za 10 sep. 2016 02:36 schreef K leo <cnbi...@gmail.com>: >>> >>>> Bart, >>>> >>>> Can you explain what you mean by "need to be rooted"? The >>>> jl_new_struct statement as Isaiah suggested works, why do we need the >>>> additional statements as you suggested? >>>> >>>>> >>> >>> >>> >>>>> >
