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Date: Tue, 5 Mar 1996 23:11:57 -0800 (PST)
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To: current@freebsd.org
Subject: funny "make" bug
From: asami@cs.berkeley.edu (Satoshi Asami)
Sender: owner-current@freebsd.org
Precedence: bulk

This is on thud, with a kernel built about a month ago.

===
>> cat Makefile 
all: libfoo.a

libfoo.a: foo.o
        ar -r $@ $?
        ranlib $@

foo.o:
        touch foo.o
>> make
touch foo.o
ar -r libfoo.a foo.o
ar: creating archive libfoo.a
ranlib libfoo.a
Malloc warning: free(): malloc() never got called.
>> make
ar -r libfoo.a 
ar: no archive members specified
usage:  ar -d [-Tv] archive file ...
        ar -m [-Tv] archive file ...
        ar -m [-abiTv] position archive file ...
        ar -p [-Tv] archive [file ...]
        ar -q [-cTv] archive file ...
        ar -r [-cuTv] archive file ...
        ar -r [-abciuTv] position archive file ...
        ar -t [-Tv] archive [file ...]
        ar -x [-ouTv] archive [file ...]
*** Error code 1

Stop.
>> ls -lT foo.o libfoo.a 
0 -rw-r--r--  1 asami  asami    0 Mar  5 23:08:17 1996 foo.o
2 -rw-r--r--  1 asami  asami  136 Mar  5 23:08:18 1996 libfoo.a
===

Well, the "Malloc warning:" probably should be fixed in ranlib, but
the main bug doesn't occur on my really-current machine.

If it persists after a kernel rebuild, I'll send in a PR....

Satoshi