How to create an executable in Ubuntu of a c program

Question

I would like to create an executable of my two mycode.c and my main.c, how can I create an executable? i did

gcc mycode.c main.c

and it generates a a.out, but when i click it it would not run.. (i am new to this so please bear with me)

Thank you

^ Yes. Also look into Makefiles for making several different executables or when you have several interlinking dependencies. youtube.com/watch?v=o6x0EHAzCJc — Vinay
– Vinay, Commented Aug 31, 2011 at 4:39

Alex · Accepted Answer · 2011-08-31 18:53:16Z

2

Try this

gcc mycode.c main.c -o myprogram

Then run ./myprogram

If you double click it you probably won't see anything, you should instead try running it from the command line, where you compiled it from in the first place.

edited Aug 31, 2011 at 18:53

answered Aug 31, 2011 at 4:44

Alex

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1 Comment

gnometorule Over a year ago

Run using ./myprogram, not myprogram (from the directory you saved it in - I know you know that, Alex, just as he's confused)

Neilvert Noval · Accepted Answer · 2011-08-31 05:48:40Z

0

Your a.out might not be executable yet.
do:
$> chmod 755 a.out
or
$> chmod a+x a.out
then try running it:
$> ./a.out

answered Aug 31, 2011 at 5:48

Neilvert Noval

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1 Comment

Keith Thompson Over a year ago

Not likely; gcc gives a.out execute permission. If you double-click an `a.out’ file (probably from Nautilus), it should execute it, but not in a terminal.

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