Makefile autogenerated by shell script for a given .c code file Post: 302275275

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Top Forums Shell Programming and Scripting Makefile autogenerated by shell script for a given .c code file Post 302275275 by darius2 on Friday 9th of January 2009 03:34:52 PM

01-09-2009

Banned

Quote:

Originally Posted by fpmurphy

Have you looked at GNU autotools? GNU build system - Wikipedia, the free encyclopedia

Hi,
spent another day with Makefile and Gnuplot, shell scripting, larning gnuplot to read a script, to read output from shell script , to read data file and more.

One example I follow now
compiling basic .c code examples from the net is:

gcc helloworld.c -o helloworld

It doesn't work for another example .c code program from the net

[admin@oo helloworld]$ gcc squares.c -o squares
squares.c: In function 'main':
squares.c:8: error: expected expression before '=' token
[admin@oo helloworld]$

---------
squares.c code is
what is wrong ?
--------------
#include <stdio.h>
main() {
double x;
FILE *datafile;

datafile = fopen("squares.dat","w");

for(x = 0.0; x < = 4.0; x += 1.0)
fprintf(datafile, "%4.1f %4.1f\n", x, x * x);

fclose(datafile);
}

This program should create data file to be read by gnuplot.

source
Introductory Graphing
Here is a C program to create this file.

(see above)

Darius

darius2

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LEARN ABOUT REDHAT

xmark

Xmark(1)						      General Commands Manual							  Xmark(1)

NAME

       Xmark - summarize x11perf results

SYNTAX

       Xmark datafile

DESCRIPTION

       Xmark  is  a  shell  script that reads the indicated datafile and compiles a benchmark which it writes to standard output.  It writes three
       numbers:

	      A weighted performance number for the x11perf results.

	      A weighted performance number for a standard SparcStation 1, with SunOS 4.1.2, X11R5 Xsun, and a CG3 dumb Color Frame Buffer.

	      The Xmark, which is the ratio of the two numbers above.

       The datafile must be an ordinary file, produced by x11perf in the following way:

       x11perf -display display -v1.3 -rop GXcopy GXxor -all > datafile

       It is possible to run the GXcopy and GXxor tests separately, as long as they are concatenated to the same output file:

       x11perf -display display -v1.3 -rop GXcopy -all > datafile
       x11perf -display display -v1.3 -rop GXxor -all >> datafile

       or

       x11perf -display display -v1.3 -rop GXxor -all > datafile
       x11perf -display display -v1.3 -rop GXcopy -all >> datafile

FILES

       temp.$$
	      Temporary file created in the current directory, deleted after use.

DIAGNOSTICS

       Usage: Xmark datafile
	      Xmark was invoked without arguments or with more than one argument, or with options.  Xmark takes no options.

       Error: data file does not exist or is not ordinary.
	      Xmark cannot find the datafile named on its command line, or the datafile is a special file such as a directory.

       WARNING: datafile contains nnn, not 441 or 447 'trep' results;
	      The file named on the command line does not seem to be a file generated by x11perf in the expected way.

       Diagnostic: ERROR: sum of weights =nnn, not equal to 4566.0;
	      There is an internal error in Xmark.

SEE ALSO

       X(7x), x11perf(1), x11perfcomp(1)

X Version 11							    Release 6.6 							  Xmark(1)

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