pkg/43372: "ERROR: Circular dependency detected" after initial bootstrap succeeded on HP-UX 11.11

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>Number:         43372
>Category:       pkg
>Synopsis:       "ERROR: Circular dependency detected" after initial bootstrap 
>succeeded on HP-UX 11.11
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    pkg-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Thu May 27 20:25:00 +0000 2010
>Originator:     Paul Ackersviller
>Release:        pkgsrc-2010Q1
>Organization:
>Environment:
HP-UX esi0q80d B.11.11 U 9000/800 3313510918 unlimited-user license

>Description:
My complete output:

===> Checking for vulnerabilities in digest-20080510
===> Installing dependencies for digest-20080510
=> Build dependency compat_headers>=0.2: NOT found
=> Verifying reinstall for ../../pkgtools/compat_headers
===> Checking for vulnerabilities in compat_headers-0.2
===> Installing dependencies for compat_headers-0.2
=> Build dependency gcc>=2.95.3nb7: NOT found
=> Verifying reinstall for ../../lang/gcc
=> Bootstrap dependency digest>=20010302: NOT found
=> Verifying reinstall for ../../pkgtools/digest
ERROR: This package has set PKG_FAIL_REASON:
ERROR: Circular dependency detected
*** Error code 1

Stop.
bmake: stopped in /fsdev02/pkgsrc/pkgtools/digest
*** Error code 1

Stop.
bmake: stopped in /fsdev02/pkgsrc/lang/gcc
*** Error code 1

Stop.
bmake: stopped in /fsdev02/pkgsrc/pkgtools/compat_headers
*** Error code 1

Stop.
bmake: stopped in /fsdev02/pkgsrc/pkgtools/digest

>How-To-Repeat:
cd pkgtools/digest && bmake
>Fix: