cross-build failure for kerberos libs during installworld

[Warner Losh]

The right fix is to have heimdal use install rather than cp + cmp.

Warner

On Aug 12, 2012, at 1:56 PM, Adrian Chadd wrote:

> Would you please file a PR for this?
> 
> I'll assign it to the committer of r233294 so they can re-test with crossbuilds.
> 
> 
> 
> Adrian
> 
> On 11 August 2012 12:52, Ian Lepore <freebsd at damnhippie.dyndns.org> wrote:
>> I just ran into an installworld glitch while doing an arm cross-build:
>> 
>> ===> kerberos5/lib/libasn1 (install)
>> install -C -o root -g wheel -m 444   libasn1.a /local/build/staging/freebsd/dp10/nfsroot/usr/lib
>> install -C -o root -g wheel -m 444   libasn1_p.a /local/build/staging/freebsd/dp10/nfsroot/usr/lib
>> cmp -s krb5_asn1.hx krb5_asn1.h 2> /dev/null || cp krb5_asn1.hx krb5_asn1.h
>> cmp: not found
>> cp: not found
>> [more of the same errors follow]
>> 
>> It looks like it's caused by r233294 (import of new Heimdal), which
>> added rules to the makefile that installs some components by using cmp
>> and cp to install the file only if its contents changed.
>> 
>> The attached patch is how I quickly worked around the problem.  I'm not
>> sure if this is the right way to fix it long term -- I'm not sure why
>> the makefile is using cmp/cp instead of install -C for header files.
>> 
>> -- Ian
>> 
>> 
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