Richard Hansen wrote: > Ignacio Mas Ivars wrote: >> On Wed, 2006-10-11 at 22:38 -0700, Tom Henderson wrote: >>> Ignacio Mas Ivars wrote: >>>> Hi all! >>>> I am trying to compile ns-2.30 in an linux Ubuntu box with g++ 4.1 and I >>>> am having problems with the linker. All the files are compiled correctly >>>> but when linking the following message appears: >>>> >>>> /usr/bin/ld: ns: hidden symbol `__stack_chk_fail_local' >>>> in /usr/lib/libc_nonshared.a(stack_chk_fail_local.oS) is referenced by >>>> DSO >>>> /usr/bin/ld: final link failed: Nonrepresentable section on output >>>> collect2: ld returned 1 exit status >>>> >>>> >>>> I have tried compiling as well with g++ 4.0 without success and now I am >>>> a bit out of ideas. Any pointers on where to look? This is my version of >>>> g++ (GCC) 4.1.2 20060928 (prerelease) (Ubuntu 4.1.1-13ubuntu5) >>>> >>>> Thanks for the help! >>>> /Nacho >>> This page seems to suggest to turn off SSP by changing the default >>> options to build with -fno-stack-protector >>> >>> https://wiki.ubuntu.com/GccSsp >>> >>> Let me know if that works. >>> >>> Tom >> Hi! >> I tried that but still the same error. This are the flags passed to g++ >> >> g++ -c -O3 -march=pentium3 -pipe -fomit-frame-pointer -funroll-loops >> -fexpensive-optimizations -fno-stack-protector -Wall >> >> and the error while linking is still the same... >> Thanks anyway! >> /Nacho > > I can confirm this problem (Ubuntu 6.10, gcc 4.1.2) and that > -fno-stack-protector does not fix it. A temporary workaround is to use > an older gcc for compiling OTcl, TclCL, and ns: > > export CC="gcc-4.0" > export CXX="g++-4.0" > > (Make sure the above is entered before building OTcl, TclCL, and ns.) > > In addition, I have discovered that OTcl 1.18 also fails to compile > (same error) on my dual-core P4 system with Ubuntu's gcc 4.1.2 and when > make is run with the command-line argument "-j 3" (or higher). It > compiles without any errors if run without -j or if I switch to gc 4.0.4. > > I hope this helps someone. > > Richard
Update: Compiling ns-2.30 with gcc 4.1.2 on Ubuntu 6.10 (Edgy Eft) works fine, *if* OTcl is compiled with gcc 4.0. Here's the configure line I used for OTcl: CC="gcc-4.0" CXX="g++-4.0" ./configure --with-tcl=../tcl8.4.13 --with-tk=../tk8.4.13 Richard
