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linux c++ programming

Posted on 2004-11-09
Medium Priority
Last Modified: 2010-04-22
I've created a program in c++ that converts celsius to farenheit and vice versa. This program has two conversion functions and each function is it's own separate file. How do I compile each file seperately using the CC commands and create an object file? Also how can I create a file to compile all files?
Question by:jfeltus
LVL 38

Expert Comment

ID: 12540541
Have a look at the following tutorial:

Here's the totorials for *nix programming:
LVL 11

Accepted Solution

avizit earned 1000 total points
ID: 12540951
maybe what you need is a "Make tutorial"


Assisted Solution

okidachi earned 1000 total points
ID: 12655961
I suppose your main program is 'main.cpp' and your 2 functions are in the files 'celsius.cpp' and 'farenheit.cpp' respectively and the celsius.h and farenheit.h for the prototype functions. If your program is C++ then you have to use 'c++' command, and if your proram is C then you can use 'cc' command,

To compile each file to an object file,
$ c++ -c celsius.cpp         => Automatically create celsius.o
$ c++ -c farenheit.cpp   => Automatically create farenheit.o
$ c++ -c main.cpp  => Automatically create main.o

To link to the executable file,
$ c++ celsius.o farenheit.o main.o -o main => Create the executable file main

To create a file that automatically does the process above, create a new file called 'Makefile' or 'makefile' (Remember that the filename must be the same). The content of the file is below

all:      main

celsius.o:      celsius.c celsius.h
      c++ -c celsius.c

farenheit.o:      farenheit.c farenheit.h
        c++ -c farenheit.c

main.o:     main.c
       c++ -c main.c

main:      celsius.o farenheit.o main.o
      c++ celsius.o farenheit.p main.o -o main

      rm *.o main

Then just type 'make' to compile all the files, and type 'make clean' to delete all the files .o and main program.

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