Ubuntu 18 "recompile with -fPIC"

[Wile_E_Coyote]

Failed buiding root_v6.14.04 in Ubuntu 18

Hello everybody, I try to install root_v6.14.04 from a source file on Ubuntu 18.04, but the build fails. I have already another root version installed (5.34.32, also from source file, which works fine). Here a description of what I did: I downloaded the source file root_v6.14.04.source.tar.gz, unpacked it and created a new folder Software/root-6.14.04/build_new in the unpacked one. In build_new I run: cmake -DCMAKE_INSTALL_PREFIX=/home/student/Software/root -Dgnuinstall=ON .. cmake --build .…

Cannot compile libFFTW in root 6.18.00 (-fPIC ?)

ROOT Version: 6.18.00 Platform: Ubuntu 16.04.7 LTS Compiler: cmake I get an error when compiling the root 6.18.00 distribution. I compile it with “cmake --build . – -j1”. The error occurs in the “root/rootbuild/math/fftw” module. The error is the following. [100%] Linking CXX shared library ../../lib/libFFTW.so /usr/bin/ld: /usr/local/lib/libfftw3.a(apiplan.o): relocation R_X86_64_32S against `.rodata' can not be used when making a shared object; recompile with -fPIC /usr/local/lib/libfft…