mod_proxy_http2: renaming duplicate symbol clash between h2_proxy_util and h2_util externals



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correct type

Reviewed/backported by: jim


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mod_proxy: log diagnostics during ProxyPass[Match]

To help out users when debugging ProxyPass and ProxyPassMatch, log all
match attempts (at trace2), as well as matches that are either
successful or explicitly disabled (at trace1).
Submitted by: jchampion
Reviewed/backported by: jim


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mod_proxy_fcgi: handle the HTTP 412 use case

This is a follow up of http://svn.apache.org/r1752347;
ap_meet_conditions could return a 412 status that if not
handled causes subsequent bogus reads and wrong messages
logged (like AH01070). After a chat on dev@ the feedback
was to couple HTTP_NOT_MODIFIED with HTTP_PRECONDITION_FAILED,
but any other feedback is welcome.



Fix stupid mistake introduced in r1759984
Submitted by: elukey
Reviewed/backported by: jim


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mod_http2: reverting int->apr_uint32_t changes from 1.7.x


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update link to TCP_DEFER_ACCEPT

per http://httpd.apache.org/docs/2.4/mod/core.html#comment_5866

kernel.org links here.




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mod_http2: fixes compilation error on 32bit systems when generating a slave connection id


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mod_http2: fixing Windows build issues by replacing hook with own implemenation


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mod_http2: rewrite of how responses and trailers are transferred between
     master and slave connection. Reduction of internal states for tasks
     and streams, stability. Heuristic id generation for slave connections
     to better keep promise of connection ids unique at given point int time.
     Fix for mod_cgid interop in high load situtations. 
     Fix for handling of incoming trailers when no request body is sent.



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Will follow up on-list.

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configure: move away from obsolete AC_OUTPUT args

AC_OUTPUT's use with arguments was obsoleted back at or before autoconf
2.50. Replace it with the preferred AC_CONFIG_FILES/AC_CONFIG_COMMANDS
calls.

configure: remove orphaned APACHE_OUTPUT macro

The last use of APACHE_OUTPUT appears to have been removed back in
r87231.
Submitted by: jchampion
Reviewed/backported by: jim


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Remove some trailing spaces to synch with trunk

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mod_http2: fix for output blocking race condition



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missing paren -- thanks to danielsh



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xforms


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emphasize that the config sections are not even used



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backport & expand on Define in non-global scope.

We can't backport fixing Define, so explain the problem.



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