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Date:      Mon, 9 Nov 1998 09:12:33 -0800 (PST)
From:      Steve Kargl <sgk@troutmask.apl.washington.edu>
To:        hackers@FreeBSD.ORG
Subject:   linux software installation and uname
Message-ID:  <199811091712.JAA10172@troutmask.apl.washington.edu>
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Ladies and Gents,

I've recently installed the Portland Groups's Fortran 90
for Linux on my system (it works!).  However, during the
installation from the cdrom, a install script is executed
that contains a test involving "uname -s" to ensure the
installation is on a system running Linux.  Of course,
"uname -s" on a FreeBSD system returns "FreeBSD" instead
of the expected "Linux".  Thus, I had to alter uname(1) 
to report "Linux" to install the software.  With the
expected availability of more commericial software for Linux,
it seems necessary to provide uname(1) the capability to
report "Linux" in place of "FreeBSD".

-- 
Steve

finger kargl@troutmask.apl.washington.edu
http://troutmask.apl.washington.edu/~clesceri/kargl.html


*** uname.c.orig	Mon Nov  9 08:46:41 1998
--- uname.c	Mon Nov  9 08:49:54 1998
***************
*** 105,116 ****
  	prefix = "";
  
  	if (flags & SFLAG) {
! 		mib[0] = CTL_KERN;
! 		mib[1] = KERN_OSTYPE;
! 		len = sizeof(buf);
! 		if (sysctl(mib, 2, &buf, &len, NULL, 0) == -1)
! 			err(1, "sysctl");
! 		(void)printf("%s%.*s", prefix, (int)len, buf);
  		prefix = " ";
  	}
  	if (flags & NFLAG) {
--- 105,119 ----
  	prefix = "";
  
  	if (flags & SFLAG) {
! 		if (!getenv("LINUX_UNAME")) {
! 			mib[0] = CTL_KERN;
! 			mib[1] = KERN_OSTYPE;
! 			len = sizeof(buf);
! 			if (sysctl(mib, 2, &buf, &len, NULL, 0) == -1)
! 				err(1, "sysctl");
! 			(void)printf("%s%.*s", prefix, (int)len, buf);
! 		} else
! 			(void)printf("%sLinux", prefix);
  		prefix = " ";
  	}
  	if (flags & NFLAG) {
*** uname.1.orig	Mon Nov  9 09:06:23 1998
--- uname.1	Mon Nov  9 09:08:56 1998
***************
*** 72,77 ****
--- 72,82 ----
  to standard output.
  .It Fl s
  Write the name of the operating system implementation to standard output.
+ If the environmental variable
+ .Em LINUX_UNAME
+ is set, then write
+ .Em Linux
+ to standard output.
  .It Fl v
  Write the version level of this release of the operating system
  to standard output.

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