Practical guide for C/C++ programming (2005)
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Practical guide for C/C++ programming (2005) .... Lets take an example of a pretty large program where the functions are. divided in various files. ...
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Practical guide for C/C++ programming (2005)Page 1Practical guide for C/C++ programming (2005)This file contains a few practical tips that can help you develop your C++programs in the VU/FEW environment under UNIX.1. Getting startedHere are the basic steps to test your C++ program.Edit a simple C++ source code file using any available text editor like ipeemacs or vi.You can try this program:#include <iostream>using namespace std ;int main(){cout << Testing 1 2 3
;return 0 ;}Save the source code in a file with the extension cpp for example test.cpp.You must reside in the directory containing your source code.Compile your file with GNU project C++ compiler g++ by typing:>/usr/local/bin/g++test.cppIf your file does not have errors an executable file is generated with thestandard name a.outRun this program by typing :>a.outThe result should look like this on your screen:>Testing 1 2 3>Try to edit your program again and introduce deliberately some syntax errors.Compile again and look at the error messages.Important: If you want to compile the programs in the VU FEWenvironment then you should use:/usr/local/bin/g++instead of simply g++.The same path should be used everywhere in the makefile.Page 22. The compiler g++The compiler used under Unix at VU is GNU project C/C++ compiler gcc.g++ is actually a script to call the gcc compiler with options to recognize C++.Basically there are 3 steps to obtain the final executable program as shown:1. Compiler stage: All C/C++ language code in the .cpp file is convertedinto a lowerlevel language called Assembly language; making *.s files.2. Assembler stage: The assembly language code made by the previousstage is then converted into object code which are fragments of codewhich the computer understands directly. An object code file ends with.o.3. Linker stage: The final stage in compiling a program involves linkingthe object code to code libraries which contain certain "builtin"functions. This stage ...
Source: www.few.vu.nl
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