Compiling in C in terminal

I'm trying to use a program for a class called "xspim"
http://www.cs.wisc.edu/~larus/spim.html
However, I'm not familiar with C, and am struggling to get this program working on my mac. At that link, they have the source code available for a OS X install, but I've followed their instructions and am struggling.
Can anyone help me get this compiled in terminal so I can work on my assignments without having to go into the PC lab?
thanks

Forgiven. In the PC lab, we actually use Sun systems which are just unix terminals. I'm semi familiar with unix, but am not too familiar with C.
The steps I cannot get beyond are steps 5 (and 6).
5. Next, you must set the directories in which spim will be installed by editing the Makefile (the file that contains instructions on building spim). In general, if you are installing spim and want the windowing version (xspim), edit the file xspim/Imakefile. If you don't want xspim or are running on a system without X-windows installed, you use the file spim/Makefile.
Set these pathnames to the appropriate locations for your system:
EXCEPTION_DIR -- The full pathname of the directory in which to install the spim exception handler (exceptions.s).
BIN_DIR -- The full pathname of the directory in which spim and xspim should be installed.
MAN_DIR -- The full pathname of the directory in which the manual pages for spim and xspim should be installed.
In general, the remaining parameters in a Makefile need not be changed.
6. Then, if you are using Imakefile file, change to the spim-7.2/xspim directory and type:
% xmkmf
% make
If you do not have a copy of xmkmf, you can use the Makefile in the xspim directory, but beware that it may not work on your system because the paths to the X windows libraries could be different.
in 5, do I need to enter a specific directory or will the given usr/local/bin work?
Then when I try typing just "xmkmf" it gives me
colonel:~/desktop/spim-7.3/xspim Colonel$ xmkmf
-bash: xmkmf: command not found
"make" gives me the same thing...
Do I need to use the makefile described at the end of that excerpt?
I appreciate your help, but I understand if you consider this a lost cause. Thanks for helping thus far anyway.

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Attachments:
TestIMAQdx.c ‏4 KB

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I have reproduced this issue with the code you provided. Specifically, I noted that some of the calls were corrupting the stack. This appears to be due to a mismatched calling convention. Looking at NIIMAQdx.h, it appears that the calling convention (stdcall for most functions) is NOT declared when __GNUC__ is defined (presumably under the assumption that GCC platforms were non-Windows and did not deal with multiple calling conventions).
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#define _NI_FUNC_DEFINED
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#define NI_FUNCC __cdecl
I have also filed this issue as CAR #410920 so that it can be addressed in the header file itself.
Eric

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I want to compile a fortran program but I don't understand how can I do it.
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Best regards.

Hi,
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Best regards.

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It is a stretch to presume that Atari ROMS may be compressed with Zlib, but since nothing else may have worked, it might be possible that the Zlib library could be the can opener you need. It may be worth reading further.
On the Zlib site, they have a link to a heavily documented stream I/O source file called zpipe.c. There is a downloadable copy of it. You do not need to download the Zlib library code or anything else. Just get this zpipe.c file. I have Mountain Lion and the zlib include file and library are already included in the OS, as they are in Lion. I have not found any Zlib command line tools in either OS X release though.
I have Xcode 4.5.2 and command-line tools installed in ML. You won't need Xcode itself, just the command-line GNU C++ compiler. You need to open zpipe.c in the editor of your choice and change the following line only:
From To
#include "zlib.h" #include <zlib.h>
Now, save the file.
Compile it in the Terminal (on Mountain Lion 10.8.2, the library file name is libz.1.2.5.dylib)
g++ -O2 -o zpipe zpipe.c /usr/lib/libz.1.1.3.dylib
I got a clean compile on Mountain Lion with the 1.2.5 version.
I haven't been amazed in awhile, so if this works, it will be worth it.
You would use zpipe in the following manner from the terminal to possibly deflate [ -d ] a COPY of an Atari ROM file.
zpipe [ -d ] < Atari ROM file > Dest File

Release vs Debug: Bad Memory Access

Hello everyone.
For a school assignment I have to write a program that sorts bottles (inputed by the user) into three bins, and state the minimum amount of moves it takes. I've completed the program, that's not really the problem.
There is a drop down menu up on the top left, and it gives me the option between 'Release' and 'Debug' (under Active Configuration). Now I don't quite understand the difference, but expected for the final copy it should be compiles with it set to Release. But that's just an assumption.
The problem is, or maybe this is just a question, when I set it to Debug and build my program, it runs great. If I change this option to Release and run the program I get "EXCBADACCESS" and the program fails.
My main worry is this might indicate a potential problem with compatibility on other platforms (maybe). I've compiled the program in Terminal with GCC and it works fine there as well. I will post my code below if it helps any. My hope is this is either a bug in xcode, or simply nothing to worry about.
I've underlined the area XCode highlights when the error occurs. Thank you.
#include <stdio.h>
#include <stdlib.h>
const char bottle_colour[][6]={"red","white","blue"};
int main()
int i,low,move[6],bottles[3][3];// bottles[bin][colour]
for (i=0;i<3;i++)
printf("Please enter the amount of %s bottles in each bin with a space inbetween each amount\n",bottle_colour);
scanf("%i%i%i",&bottles[0],&bottles[1],&bottles[2]);
printf("\n");
move[3] += bottles[1][0] + bottles[2][0];// Moving all red bottles to bin 1
move[3] += bottles[0][1] + bottles[2][1];// Moving all white bottles to bin 2
move[3] += bottles[0][2] + bottles[1][2];// Moving all blue bottles to bin 3
move[2] += bottles[1][0] + bottles[2][0];// Moving all red bottles to bin 1
move[2] += bottles[0][1] + bottles[1][1];// Moving all white bottles to bin 3
move[2] += bottles[0][2] + bottles[2][2];// Moving all blue bottles to bin 2
move[5] += bottles[0][0] + bottles[2][0];// Moving all red bottles to bin 2
move[5] += bottles[1][1] + bottles[2][1];// Moving all white bottles to bin 1
move[5] += bottles[0][2] + bottles[1][2];// Moving all blue bottles to bin 3
move[4] += bottles[0][0] + bottles[2][0];// Moving all red bottles to bin 2
move[4] += bottles[0][1] + bottles[1][1];// Moving all white bottles to bin 3
move[4] += bottles[1][2] + bottles[2][2];// Moving all blue bottles to bin 1
move[1] += bottles[0][0] + bottles[1][0];// Moving all red bottles to bin 3
move[1] += bottles[1][1] + bottles[2][1];// Moving all white bottles to bin 1
move[1] += bottles[0][2] + bottles[2][2];// Moving all blue bottles to bin 2
move[0] += bottles[0][0] + bottles[1][0];// Moving all red bottles to bin 3
move[0] += bottles[0][1] + bottles[2][1];// Moving all white bottles to bin 2
move[0] += bottles[1][2] + bottles[2][2];// Moving all blue bottles to bin 1
for (i=0;i<5;i++)
_if (move[i+1] < move && move[i+1] < move[low])_
low = i + 1;
printf("\nThe lowest amount of moves it would take is %i.",move[low]);

Well, welcome to programming.
The code as printed obviously isn't quite right due to formatting problems. There's a way to format it so it is displayed correctly but I don't know it off hand.
If you use look at the build warnings you'll get a pretty good idea what is going on. In general there should be few or zero warnings in the build process. They're there for a reason. C provides a lot of rope.
A few issues right away from the command line compiler:
s.c:12: warning: format ‘%s’ expects type ‘char *’, but argument 2 has type ‘const char (*)[6]’
s.c:13: warning: format ‘%i’ expects type ‘int *’, but argument 2 has type ‘int (*)[3]’
s.c:13: warning: format ‘%i’ expects type ‘int *’, but argument 3 has type ‘int (*)[3]’
s.c:13: warning: format ‘%i’ expects type ‘int *’, but argument 4 has type ‘int (*)[3]’
I presume the following code
if (movei+1 < move && movei+1 < movelow)
low = i + 1;
is
if (move[i+1] < move && move[i+1] < move[low])
low = i + 1;
If so, I see the following warning:
s.c:43: warning: comparison between pointer and integer
Trust me, the issue is not portability at all nor a bug in Xcode. There are significant bugs in this code that just happen to compile.
For instance, in line 12, the %s takes a pointer to a string yet a pointer to an array of strings has been provided.
In line 13, the scanf %i operator requires a pointer to an integer yet a pointer to an array of pointers as been provided. You should have passed something such as &bottles[x][y] for each of those arguments.
If you actually have 'move && move[i+1]' in the code, the code is comparing an address to an integer and I'm sure that's not intended.
Lastly, 'low' is not initialized (those are difficult to find and the compiler does not warn of them even when using the -Wall flag). Probably should be set to zero. Different compilers and platforms vary on guarantees of a zero value.
Since this is a project in school I will stop at this (and there are more issues in the code than I have stated).
It'll all come in time. Good luck to you.

Compiling in C in terminal

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