From-SVN: r18767
* info/man.c (find_man_formatter): Don't cast getenv(), but provide a minimal declaration at top level. * makeinfo/makeinfo.c: Don't redefine alloca if it is already defined. From-SVN: r15910
* info/man.c (SIGCHLD): Define to SIGCLD if <sys/signal.h> fails to provide it. From-SVN: r15857
From-SVN: r14877