Question

GCC (MinGW) won't compile (error)

Asked by: travisjbennett

I'm trying to start programming in C, and I have some sample source code that I know should be good. It is in the code section below.

When I try to compile it using MinGW, using the commands below, it fails as shown below. I put C:\MinGW\bin\ in the path so I could do this with the desktop as the current directory. I used the autoinstaller "MinGW-5.1.4.exe" to install it. Any ideas how to fix the error message shown below, and get it to compile?



---Command Window---
C:\Users\Administrator>cd desktop

C:\Users\Administrator\Desktop>dir
 Volume in drive C has no label.
 Volume Serial Number is ####-####

 Directory of C:\Users\Administrator\Desktop

08/30/2009  01:35 AM    <DIR>          .
08/30/2009  01:35 AM    <DIR>          ..
08/25/2009  10:41 AM             2,007 Classes.lnk
08/28/2009  05:01 PM            32,098 homework0fa09.pdf
08/30/2009  02:18 PM               155 myFile.c
...
               4 File(s)         35,802 bytes
               8 Dir(s)  107,238,281,216 bytes free

C:\Users\Administrator\Desktop>gcc -std=c99 myFile.c -o myFile.exe
C:\Users\ADMINI~1\AppData\Local\Temp/cccOoMTm.o:myFile.c:(.text+0x57): undefined
 reference to `__mingw_vprintf'
collect2: ld returned 1 exit status

C:\Users\Administrator\Desktop>

#include <stdio.h>
 
int main()
{
    printf("This is sample output.\n" \
    "This source code is known to work correctly.\n");
    
    return 0;
}
                                  
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Asked On
2009-08-30 at 11:41:51ID24693369
Tags

MinGW

,

Windows 7 x64

,

AMD64

Topics

C Programming Language

,

Windows Programming

,

Windows 7

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Answers

 

by: jkrPosted on 2009-08-30 at 12:12:15ID: 25218815

That's a liker error, try

gcc -std=c99 myFile.c -lglibc -o myFile.exe

 

by: travisjbennettPosted on 2009-08-30 at 12:30:21ID: 25218908

C:\Users\Administrator\Desktop>gcc -std=c99 myFile.c -lglibc -o myFile.exe
C:\MinGW\bin\..\lib\gcc\mingw32\3.4.5\..\..\..\..\mingw32\bin\ld.exe: cannot fin
d -lglibc
collect2: ld returned 1 exit status

C:\Users\Administrator\Desktop>\

 

by: Infinity08Posted on 2009-08-30 at 12:38:56ID: 25218946

If you want to use MinGW, may I recommend a very nice IDE called Dev-C++ ?

         http://www.bloodshed.net/devcpp.html

Just install that - it will install MinGW automatically, and will configure your system the way it should be.

Then just open the .c file in Dev-C++, and build it.

 

by: travisjbennettPosted on 2009-08-30 at 13:00:57ID: 25219037

I tried that program, but I still get an error message. How do I specify the C99 Standard in this IDE? Would that fix it?

 

by: Infinity08Posted on 2009-08-30 at 13:09:36ID: 25219081

Did you uninstall your original MinGW installation before installing Dev-C++ ?

If not, uninstall both completely, and then install Dev-C++ again.

The error you get now is most likely due to a configuration problem related to multiple versions of MinGW being installed at the same time.

 

by: travisjbennettPosted on 2009-08-30 at 14:03:22ID: 25219343

No, i uninstalled MinGW completely first, by going to Programs and Features in the control panel. I did not reboot after though. I'll try that.

 

by: Infinity08Posted on 2009-08-30 at 14:11:35ID: 25219395

There seems to be a conflict somewhere in any case. Do you have any other compilers installed ? Any unproperly uninstalled ones ?
You mentioned setting paths earlier ... Did you make sure to unset those paths too ?

 

by: masheikPosted on 2009-08-31 at 01:53:11ID: 25221327

why don't you try Code::Blocks IDE ?
Code::Blocks is very user friendly with good look and feel and comes with mingw compiler

http://www.codeblocks.org/downloads/5,

 

by: Infinity08Posted on 2009-08-31 at 10:01:31ID: 25224389

What made that solution work that didn't work for Dev-C++ ?

 

by: travisjbennettPosted on 2009-08-31 at 10:02:01ID: 25224391

Code::Blocks worked out of the metaphorical box.

Thanks!

 

by: travisjbennettPosted on 2009-08-31 at 10:04:30ID: 25224417

I don't know, but it is probably compatibility with Windows 7 x64.

 

by: Infinity08Posted on 2009-08-31 at 10:04:59ID: 25224421

Fair enough. But just for the record, that's likely because you cleaned up the system before installing it, and has nothing to do with Code::Blocks specifically. If you would have done that before installing Dev-C++, it would have worked fine too ;)

 

by: Infinity08Posted on 2009-08-31 at 10:06:09ID: 25224430

>> but it is probably compatibility with Windows 7 x64.

Ah. Now that changes things heh :) And now I notice that you did mention that in the tags for your question ...

Oh well. Glad you've got it working :)

 

by: travisjbennettPosted on 2009-08-31 at 10:06:33ID: 25224434

I did try it again with a cleanup before I tried code blocks.
If I get it to work in the future in this platform I'll come back to this question.

 

by: Infinity08Posted on 2009-08-31 at 10:07:45ID: 25224450

Don't worry about it ;) It works, and that's all that counts. I was just curious ...

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