Compile C Program In Dos Number

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Jun 26, 2019  The program will now compile. If you see errors and want to see more information about them, use gcc -Wall -o errorlog file1.c. Then, view the “errorlog” file in the current directory with cat errorlog. To compile one program from multiple source files, use gcc -o outputfile file1.c file2.c file3.c.

1. If using GCC then save the program in a file say “numbers.c” to compile the program open the terminal and enter the command “gcc numbers.c” this will compile the program and to execute the program enter the command “./a.out” do not use quotes while executing commands.
2. Schirmer has written: 'Programming in C for UNIX' - subject(s): C (Computer program language), UNIX (Computer file) How do you compile a c program from the M-DOS prompt or from the gvim editor?

Question: How to compile a C++ program with gcc compiler?

info.c:

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and when I try to compile info.c

$ gcc info.C

Isn't gcc compiler capable of compiling C++ programs?On a related note, what is the difference between gcc and g++.Thanks,

7 Answers

gcc can actually compile c++ code just fine. The errors you received are linker errors, not compiler errors.

Odds are that if you change the compilation line to be this:

which makes it link to the standard c++ library, then it will work just fine.

However, you should just make your life easier and use g++.

EDIT:

Rup says it best in his comment to another answer:

[..] gcc will select the correct back-end compiler based on file extension (i.e. will compile a .c as C and a .cc as C++) and links binaries against just the standard C and GCC helper libraries by default regardless of input languages; g++ will also select the correct back-end based on extension except that I think it compiles all C source as C++ instead (i.e. it compiles both .c and .cc as C++) and it includes libstdc++ in its link step regardless of input languages.

If you give the code a .c extension the compiler thinks it is C code, not C++. And the C++ compiler driver is called g++, if you use the gcc driver you will have linker problems, as the standard C++ libraries will not be linked by default. So you want:

And do not even consider using an uppercase .C extension, unless you never want to port your code, and are prepared to be hated by those you work with.

The difference between gcc and g++ are:

use g++ instead of gcc to compile you c++ source.

By default, gcc selects the language based on the file extension, but you can force gcc to select a different language backend with the -x option thus:

More options are detailed in the gcc man page under 'Options controlling the kind of output'. See e.g. http://linux.die.net/man/1/gcc (search on the page for the text -x language).

This facility is very useful in cases where gcc can't guess the language using a file extension, for example if you're generating code and feeding it to gcc via stdin.

It worked well for me. Just one line code in cmd.

First, confirm that you have installed the gcc (for c) or g++ (for c++) compiler.

In cmd for gcc type:

gcc --version

in cmd for g++ type:

g++ --version

If it is installed then proceed.

Now, compile your .c or .cpp using cmd

for .c syntax:

gcc -o exe_filename yourfilename.c

Example:

Pirates of the caribbean 1 full movie. gcc -o myfile myfile.c

Here exe_filename (myfile in example) is the name of your .exe file which you want to produce after compilation (Note: i have not put any extension here). And yourfilename.c (myfile.c in example) is the your source file which has the .c extension.

Now go to folder containing your .c file, here you will find a file with .exe extension. Just open it. Hurray.

For .cpp syntax:

g++ -o exe_filename yourfilename.cpp

After it the process is same as for .c .

If I recall correctly, gcc determines the filetype from the suffix. So, make it foo.cc and it should work.

And, to answer your other question, that is the difference between 'gcc' and 'g++'. gcc is a frontend that chooses the correct compiler.

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