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To: Tony Kimball <alk@Think.COM>
cc: hackers@freebsd.org
Subject: Re: pgcc kernel compiles automated 
In-reply-to: Your message of "Thu, 11 Apr 1996 13:47:59 CDT."
             <199604111847.NAA00908@compound.think.com> 
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Date: Thu, 11 Apr 1996 12:42:30 -0700
From: "Amancio Hasty Jr." <hasty@rah.star-gate.com>
Sender: owner-hackers@freebsd.org
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Does the new kernel run any faster ?

	Tnks,
	Amancio

>>> Tony Kimball said:
 > 
 > To eliminate those annoying manual interventions in making kernels
 > using pgcc, here is a trivial script.  I just say 'make CC=ccc'
 > It assumes that the distribution cc is renamed to kcc, pgcc is
 > installed as gcc
 > 
 > #
 > #!/bin/sh
 > #
 > # /usr/local/bin/ccc
 > #
 > # script to permit optimal compilation of the kernel using pgcc
 > # with work-arounds for bugs and other inconveniences
 > #
 > 
 > 
 > for i in $* 
 > do
 >   case $i in
 >   ../../kern/kern_xxx.c)		# pgcc bug -- use this as an
 > 					# opportunity to hook in the
 > 					# missing run-time without
 > 					# touching the makefile
 >     if gcc $* ../../libkern/muldi3.c ; then
 >       echo gcc -O compile done
 >       ld -r -o kern_xxx2.o kern_xxx.o muldi3.o || exit 1
 >       mv -f kern_xxx2.o kern_xxx.o 
 >       exit 0;
 >     else
 >       echo kern_xxx gcc -O failed
 >       exit 1
 >     fi
 >     ;;
 >   *)
 >     ;;
 >   esac
 > done  
 > 
 > if ! gcc -O6 -fomit-frame-pointer $* ; then # pgcc bug
 >   rm -f cc1.core
 >   if ! gcc -O3 -fomit-frame-pointer$* ; then # assembly syntax problem
 >     rm -f cc1.core
 >     if ! kcc -O $* ; then		# *your* problem
 >        echo All compilers failed.
 >        exit 1
 >     else
 >        echo kcc -O compile done.
 >     fi
 >   else
 >     echo gcc -O3 compile done.
 >   fi
 > else
 >   echo gcc -O6 compile done.
 > fi
 > exit 0
 > 
 >   
 >