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From bugzi...@apache.org
Subject [Bug 58423] New: Apache > 2.4.8 PCRE_DUPNAMES causes build failure on Red Hat Enterprise Linux 5
Date Thu, 17 Sep 2015 02:29:05 GMT
https://bz.apache.org/bugzilla/show_bug.cgi?id=58423

            Bug ID: 58423
           Summary: Apache > 2.4.8 PCRE_DUPNAMES causes build failure on
                    Red Hat Enterprise Linux 5
           Product: Apache httpd-2
           Version: 2.4-HEAD
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: regression
          Priority: P2
         Component: Core
          Assignee: bugs@httpd.apache.org
          Reporter: takashi.asfbugzilla@tks.st

r1555551 introduced "named groups" feature, and this uses PCRE_DUPNAMES.

PCRE of Red Hat Enterprise Linux / CentOS 5 is 6.6. Yes, this is too old.
PCRE_DUPNAMES is not defined on PCRE 6.6, so causes build failure.

Issues: 

1) Regression
I have not try, but accourding to the changes, 2.4.7 can build on RHEL 5, but
2.4.8 not.

2) Fails on make
"configure" is succeeded, but "make" is failed with unkind message.

3) not documented
I can't find any document that says Apache 2.4 needs PCRE 6.7 and later.



If we should correct the regression, we should apply rpluem's patch
http://mail-archives.apache.org/mod_mbox/httpd-dev/201401.mbox/%3C52CFAC91.5080707@apache.org%3E
and document.
http://mail-archives.apache.org/mod_mbox/httpd-dev/201401.mbox/%3CFD95E1EB-705D-4B57-91E5-A7D8C05DF421@sharp.fm%3E

If we decide not to correct the regression, we should backport r1612921 (and
r1612945 ? )

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