bootstrap/5039: build fails with RUSAGE_CHILDREN undeclared

[Eric.Paulson@yale.edu]

>Number:         5039
>Category:       bootstrap
>Synopsis:       build fails with RUSAGE_CHILDREN undeclared
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          accepts-illegal
>Submitter-Id:   net
>Arrival-Date:   Thu Dec 06 11:16:00 PST 2001
>Closed-Date:
>Last-Modified:
>Originator:     Eric Paulson
>Release:        gcc-3.0.2
>Organization:
>Environment:
x86 Linux-2.4.16 with glibc-2.1.2
>Description:
This problem can be serious because a newish version of gcc is required to build a new version of glibc, but gcc fails to build due to the old glibc.  The problem is two conflicting definitions of RLIM_INFINITY:
bits/resource.h: #define RLIM_INFINITY ((long int)(~0UL >> 1))
asm/resource.h: #define RLIM_INFINITY   (~0UL)

the configure script detects this as an error and reports sys/resource.h as missing even though it is present
>How-To-Repeat:
use an older glibc library with a Linux-2.4.xx kernel
>Fix:
end user can edit bits/resource.h or
one could modify the configure script to detect this situation and work around it
>Release-Note:
>Audit-Trail:
>Unformatted:
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