* [d21602d]->[aa4ddc3] pthread: Determine $(LIB_PTHREAD) correctly on IRIX 6.5.
* [7c712d9]->[b34698e] imaxabs: Avoid link error on OSF/1 with DTK cc.
* [d828cda]->[6add58a] imaxdiv: Avoid link error on OSF/1 with DTK cc.
* [d21602d]->[aa4ddc3] pthread: Determine $(LIB_PTHREAD) correctly on IRIX 6.5.
* [7c712d9]->[b34698e] imaxabs: Avoid link error on OSF/1 with DTK cc.
* [d828cda]->[6add58a] imaxdiv: Avoid link error on OSF/1 with DTK cc.