Pick up a most worthwhile backport

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Revert modules/core/config.m4 from r1749922, 2.4.x branch back to r1749919

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Revert r1749920, meant to apply this to trunk/

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Promote any static to a shared module if the required dependency is dynamic

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xforms

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Fix typo (r1749828 in trunk)

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Ack unindicted co-conspirator's contributions

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xforms

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xforms

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Synch 2.4 and trunk doc (backport r1742073)

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Add missing mod_proxy_http2.xml.meta file.

Generate mod_proxy_http2 HTML files.

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Note change

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Merge r1749659, r1749678 from trunk:

Simplify, and correct the dependency handling of mod_proxy_hcheck

Cause missing mod_watchdog to 'unset' the --enable-proxy default, rather than
disable the module. This forces the module logic to emit a warning of the
missing dependency; changes the output from

checking whether to enable mod_proxy_hcheck... no

to

configure: WARNING: "mod_watchdog is disabled but required for mod_proxy_hcheck"
checking whether to enable mod_proxy_hcheck... no (disabled)

Submitted by: wrowe
Reviewed/backported by: jim

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Merge r1749658 from trunk:

Support multiple module dependencies for the final prereq argument to the
APACHE_MODULE macro, as a comma separated list, e.g.

APACHE_MODULE(proxy_http2, [...], [proxy,http2])

will evaluate the availability of mod_proxy, followed by mod_http2

Submitted by: wrowe
Reviewed/backported by: jim

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Proposal

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* Vote and promote

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note combined patch from email

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vote...

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Merge of r1749695 from trunk:

mod_http2: fixing APLOG_NO overdose and some log levels

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Merge r1749693 from trunk:

assign IDs to new AH*'s

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Merge r1749688 from trunk:

spatch some AH* IDs to pick up the new INFO level messages,
also hit old DEBUG messages.

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Merge of r1749505, r1749676 from trunk:

mod_proxy_http2: fixed retry behaviour when proxy engine needs to retry its base request on a new connection

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Refresh proposal with more specific diagnostics for the user of ./configure

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Propose for backport

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Documentation rebuild

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Add mod-proxy DNS caching information to the documentation (follow up from users@)

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update after backport

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Merge of r1748888 from trunk:

If enable_proxy_hcheck is unset handle it like other proxy modules

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vote and accept

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* Vote

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configure patch for hcheck

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and we are 2.4.23-dev

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Prep for tagging 2.4.22

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xforms

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Backport

Merge r1749151 from trunk:

mod_http2: fix for request abort when connections drops, introduced in 1.5.8
Submitted by: icing
Reviewed/backported by: jim

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Backport and note non-release

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Rebuild.

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XML updates.

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Documentation rebuild

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Added some information to ListenCoresBucketsRatio documentation page already in trunk.

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And we are 2.4.22-dev

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Get ready to tag 2.4.21

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xforms

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Merge r1748653 from trunk:

Fix a potential buffer overflow.
Submitted by: jailletc36
Reviewed/backported by: jim

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prmote

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vote

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* Vote

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Propose

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duplicate entry

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Voting for r1748379 backport

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Propose backport of r1748379 from trunk

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Merge of r1748531 from trunk:

mod_http2: more rigid error handling in DATA frame assembly

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Add comment.

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It should.

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Question

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Correct imbalanced #endif I introduced in r1748449

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* Add a comment

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abs: Include OPENSSL_Applink when compiling on Windows, to resolve
failures under Visual Studio 2015 and other mismatched MSVCRT flavors.

PR: 59630
Submitted by: Jan Ehrhardt <phpdev ehrhardt.nl>

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mod_ssl: Don't enable CRL checks/flags by default.
(follow up/fix to r1748338 committed in 2.4.21)

Submitted by: ylavic
Reviewed by: icing, minfrin

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Vote and promote.

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Propose (when apr-util v1.6 is released).

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change mod_proxy_http2.dep to use h2_proxy_util.c indtead of h2_util.c
follow-up to r1748429

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add mod_proxy_http2 to traditional windows build

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vote

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Propose fix for 2.4.21 (before release).

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Merge of r1747550 from trunk:

mod_proxy_http2 no longer shares objects with mod_http2
h2_casecmpstr eliminated, uses backported ap_cstr_casecmp*

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Propose.

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mod_ssl: Add "no_crl_for_cert_ok" flag to SSLCARevocationCheck directive
to opt-in previous behaviour (2.2) with CRLs verification when checking
certificate(s) with no corresponding CRL.

Submitted by: ylavic
Reviewed by: icing, minfrin

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Vote and promote.

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mpm_event, mpm_worker: Fix computation of MinSpareThreads' lower bound
according the number of listeners buckets.

Submitted by: ylavic
Reviewed by: jim, minfrin

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Vote and promote.

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Add ap_cstr_casecmp[n]() - placeholder of apr_cstr_casecmp[n] functions
for case-insensitive C/POSIX-locale token comparison.

Submitted by: wrowe
Reviewed by: jim, minfrin

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Vote and promote.

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mod_userdir: Constify and save a few bytes in the conf pool when parsing
"UserDir" directive

Submitted by: jailletc36
Reviewed by: jim, minfrin

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Vote and promote.

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mod_cache: Fix (max-stale with no '=') and enforce (check integers after '=')
Cache-Control header parsing.

Submitted by: jailletc36
Reviewed by: jim, minfrin

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Vote and promote.

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core: Add -DDUMP_INCLUDES configtest to show the Include tree.

     Example:

        Included configuration files:
          (*) .../conf/httpd.conf
            (517) .../conf/extra/proxy-html.conf
              (91) /dev/null

Submitted by: Jacob Champion <champion.pxi gmail.com>
Reviewed by: covener, gsmith, minfrin

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Vote and promote.

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Backported.

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mod_proxy_fcgi: Avoid passing a filename of proxy:fcgi:// as
SCRIPT_FILENAME to a FastCGI server. PR59618.

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Vote and promote.

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Merge r1747946 from trunk:

mod_dav: Add dav_get_provider_name() function to obtain the name
of the provider from mod_dav.

Submitted by: minfrin
Reviewed/backported by: jim

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Merge r1730723 from trunk:

Add 451... Needed to adjust RESPONSE_CODES which
was not in the provided patch
BUGZ# 58985
Reviewed/backported by: jim

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Merge r1744458, r1744459 from trunk:

Avoid memory allocation before making sure that this handler can handle the URL

Avoid memory allocation before making sure that this handler can handle the URL
Submitted by: jailletc36
Reviewed/backported by: jim

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two quick votes/promotions

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fix url, vote, promote

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vote

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Merge of r1747735 from trunk:

mod_proxy_http2: properly care for HTTP2 flow control of the frontend
     connection is HTTP/1.1. [Patch supplied by Evgeny Kotkov]

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1748168 13f79535-47bb-0310-9956-ffa450edef68

Spelling is important.

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Propose and vote.

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Propose/vote.

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Rebuild.

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XML updates.

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vote

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1747900 13f79535-47bb-0310-9956-ffa450edef68

propose proxy_Fcgi fixup--This line, and those below, will be ignored--

M    STATUS

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propose -DDUMP_INCLUDES.

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Fix r1744951 which introduced a tab when r1610674 has been backported.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1747806 13f79535-47bb-0310-9956-ffa450edef68

Revert r1728060.

Corresponding code has not been merged (see r1664565 and r1664575)

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1747804 13f79535-47bb-0310-9956-ffa450edef68

Merge r1745034 from trunk:

PR59612: Print the ap_expr() error message when an expression cannot
be evaluated in forward-dns provider.

Submitted By: Tianyin Xu <tixu cs.ucsd.edu>
Committed By: covener

Submitted by: covener
Reviewed/backported by: jim

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