Re: Creating makefiles in gcc4.7.0
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On 20/05/12 23:05, Tim Prince wrote: > On 5/20/2012 4:03 PM, blessman11 wrote: >> >> thanks, I'm a noob and I'm finding it hard to google decent >> tutorials. so >> far I'm getting stuck at linking since my hello world program would even >> compile with this line: >> >> g++ hello.cpp -o hello >> >> and all I get is an error telling that the compiler can't find the >> iostream >> header file. The problem here is linking and how can I solve it? > That looks like an installation of gcc without a full g++. On some > linux systems, you must specifically install g++ (same version as your > gcc). If you build gcc from source, you need at least > --enable-languages='c c++' (assuming you don't want all the default > languages). Pre-built versions of g++ for linux (for distros other > than mine) tend not to work, even though the gcc and gfortran are OK. I suspect it's an installation without header files. g++ is there, since it's running the preprocessor. If you're on Debian/Ubuntu, try installing the build-essentials package.