bump to 7.2.13-dev

Trim trailing whitespace in source code files

Bump minimum Autoconf requirement to 2.68

This patch syncs and bumps the minimum required version of Autoconf for
the `phpize.m4` script and the main `configure.ac` from previously mixed

Bump minimum Autoconf requirement to 2.68

This patch syncs and bumps the minimum required version of Autoconf for
the `phpize.m4` script and the main `configure.ac` from previously mixed
2.64 and 2.59 to 2.68.

At the time of this writing Autoconf 2.63 is still the version on
Centos 6, however by the PHP 7.3 release current systems out there
should all have pretty much updated Autoconf versions to 2.64+ at
least. Centos 7 already has Autoconf 2.69, for example.

This provides more options to update and get current with the *nix
build system and also avoids broken builds in certain cases as pointed
out in the relevant discussion [1].

Additionally, phpize also already provides the `AX_CHECK_COMPILE_FLAG`
Autoconf Archive m4 file that has Autoconf 2.64 minimum requirement.

Autoconf 2.68 was released in 2010, 8 years ago, relative to this patch.

[1] https://github.com/php/php-src/pull/3562

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Bump version

Fix #76510: file_exists() stopped working for phar://

We work around a strlen() optimization bug in GCC 8[1] by checking
whether the used GCC exhibits the broken behavior, and if so by

Fix #76510: file_exists() stopped working for phar://

We work around a strlen() optimization bug in GCC 8[1] by checking
whether the used GCC exhibits the broken behavior, and if so by
disabling `optimize-strlen`.

[1] <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86914>

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bump to 7.2.11-dev

Remove outdated comment with PEAR xmlrpc dependency

The xmlrpc extension is not required to install PEAR anymore.

[ci skip] Fix typo

Replace obsolete AC_TRY_FOO with AC_FOO_IFELSE

Autoconf 2.50 released in 2001 made several macros obsolete including
the AC_TRY_RUN, AC_TRY_COMPILE and AC_TRY_LINK:
http://git.savann

Replace obsolete AC_TRY_FOO with AC_FOO_IFELSE

Autoconf 2.50 released in 2001 made several macros obsolete including
the AC_TRY_RUN, AC_TRY_COMPILE and AC_TRY_LINK:
http://git.savannah.gnu.org/cgit/autoconf.git/tree/ChangeLog.2

These macros should be replaced with the current AC_FOO_IFELSE instead:
- AC_TRY_RUN with AC_RUN_IFELSE and AC_LANG_SOURCE
- AC_TRY_LINK with AC_LINK_IFELSE and AC_LANG_PROGRAM
- AC_TRY_COMPILE with AC_COMPILE_IFELSE and AC_LANG_PROGRAM

PHP 5.4 to 7.1 require Autoconf 2.59+ version, PHP 7.2 and above require
2.64+ version, and the PHP 7.2 phpize script requires 2.59+ version which
are all greater than above mentioned 2.50 version therefore systems
should be well supported by now.

This patch was created with the help of autoupdate script:
autoupdate <file>

Reference docs:
- https://www.gnu.org/software/autoconf/manual/autoconf-2.69/html_node/Obsolete-Macros.html
- https://www.gnu.org/software/autoconf/manual/autoconf-2.59/autoconf.pdf

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[ci skip] Fix typo

Upgrade deprecated AC_OUTPUT macro calls

Autoconf 2.50 made several changes to macro calls. These include also
arguments passed to AC_OUTPUT macro. The upgrading chapter in Autoconf

Upgrade deprecated AC_OUTPUT macro calls

Autoconf 2.50 made several changes to macro calls. These include also
arguments passed to AC_OUTPUT macro. The upgrading chapter in Autoconf
documentation include an example of using AC_OUTPUT with
AC_CONFIG_FILES and AC_CONFIG_COMMANDS:
- https://www.gnu.org/software/autoconf/manual/autoconf-2.69/html_node/Obsolete-Macros.html

PHP 5.4 to 7.1 require Autoconf 2.59+, PHP 7.2+ require Autoconf 2.64+,
and PHP 7.2 phpize script requires Autoconf 2.59+ which are all greater
than above mentioned 2.50 version. Systems out there should well support
this by now.

This patch was created with the help of autoupdate script:
autoupdate <file>

More info on where exactly this got deprecated:
- ftp://ftp.gnu.org/old-gnu/Manuals/autoconf-2.13/html_mono/autoconf.html
- ftp://ftp.auckland.ac.nz/pub/gnu/Manuals/autoconf-2.52/html_chapter/autoconf_15.html
- http://git.savannah.gnu.org/cgit/autoconf.git/tree/NEWS

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Replace obsolete AC_STRUCT_ST_BLKSIZE and AC_STRUCT_ST_RDEV

Autoconf 2.50 released in 2001 has made several macros obsolete. Instead
of the AC_STRUCT_ST_BLKSIZE and AC_STRUCT_ST_RDEV the

Replace obsolete AC_STRUCT_ST_BLKSIZE and AC_STRUCT_ST_RDEV

Autoconf 2.50 released in 2001 has made several macros obsolete. Instead
of the AC_STRUCT_ST_BLKSIZE and AC_STRUCT_ST_RDEV the new
AC_CHECK_MEMBERS should be used.

When checking for the presence of stat struct members st_blkzize and
st_rdev the new AC_CHECK_MEMBERS macro defines new constants
HAVE_STRUCT_STAT_ST_BLKSIZE and HAVE_STRUCT_STAT_ST_RDEV.

Old constants HAVE_ST_BLKSIZE and HAVE_ST_RDEV need to be replaced
respectively in PHP code (this patch) and in PHP extenstions if they use
them.

PHP 5.4 to 7.1 require Autoconf 2.59+ version, PHP 7.2 and above require
2.64+ version, and the PHP 7.2 phpize script requires 2.59+ version which
are all greater than above mentioned 2.50 version.

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Replace obsolete AC_AIX with AC_USE_SYSTEM_EXTENSIONS

Since Autoconf 2.62 the AC_AIX macro has been made obsolete and should
be replaced with the AC_USE_SYSTEM_EXTENSIONS instead.

Replace obsolete AC_AIX with AC_USE_SYSTEM_EXTENSIONS

Since Autoconf 2.62 the AC_AIX macro has been made obsolete and should
be replaced with the AC_USE_SYSTEM_EXTENSIONS instead.

Both macro behaviors are the same since the old one is just a wrapper
around the new AC_USE_SYSTEM_EXTENSIONS:
http://git.savannah.gnu.org/cgit/autoconf.git/tree/lib/autoconf/specific.m4

PHP 7.2+ and the main configure.ac script require minimum Autoconf 2.64+.

Refs:
- http://git.savannah.gnu.org/cgit/autoconf.git/tree/NEWS
- https://www.gnu.org/software/autoconf/manual/autoconf-2.69/html_node/Obsolete-Macros.html

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Trim trailing whitespaces in build files

Some editors utilizing .editorconfig automatically trim whitespaces. For
convenience this patch removes whitespaces in certain build files:
-

Trim trailing whitespaces in build files

Some editors utilizing .editorconfig automatically trim whitespaces. For
convenience this patch removes whitespaces in certain build files:
- ext/*/config*.m4
- configure.ac
- acinclude.m4

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Fix typos in code comments

Remove unused Git attributes ident

The $Id$ keywords were used in Subversion where they can be substituted
with filename, last revision number change, last changed date, and last
use

Remove unused Git attributes ident

The $Id$ keywords were used in Subversion where they can be substituted
with filename, last revision number change, last changed date, and last
user who changed it.

In Git this functionality is different and can be done with Git attribute
ident. These need to be defined manually for each file in the
.gitattributes file and are afterwards replaced with 40-character
hexadecimal blob object name which is based only on the particular file
contents.

This patch simplifies handling of $Id$ keywords by removing them since
they are not used anymore.

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Bump Autoconf version in configure.ac to 2.64

Since PHP 7.2 the minimum autoconf version is 2.64. The configure.ac
script file includes also AX_CHECK_COMPILE_FLAG macro call so besides

Bump Autoconf version in configure.ac to 2.64

Since PHP 7.2 the minimum autoconf version is 2.64. The configure.ac
script file includes also AX_CHECK_COMPILE_FLAG macro call so besides
only checking it in buildconf script this bumps the autoconf here too.

The phpize.m4 script is for now still relaxed to 2.59 version since some
still supported systems such as CentOS 6 still include autoconf 2.63
version and might require calling phpize on some old extensions.

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Replace AC_CONFIG_HEADER with AC_CONFIG_HEADERS

Autoconf doesn't mention the AC_CONFIG_HEADER macro since the v2.13
released in 1999 anywhere in the documentation. Future of this macro i

Replace AC_CONFIG_HEADER with AC_CONFIG_HEADERS

Autoconf doesn't mention the AC_CONFIG_HEADER macro since the v2.13
released in 1999 anywhere in the documentation. Future of this macro is
unclear and commented as possible candidate for obsoletion in the
autoconf source code. Since it is just a wrapper around the main
AC_CONFIG_HEADERS macro, the functionality is the same, and also more
clear to find it in the autoconf documentation and avoid possible future
obsoletion.

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Fix bug #76392

On systems without glibc, such as Alpine with Musl libc, the function attributes
are not supported. GCC 6 doesn't properly omit some systems. This is
already fixed in

Fix bug #76392

On systems without glibc, such as Alpine with Musl libc, the function attributes
are not supported. GCC 6 doesn't properly omit some systems. This is
already fixed in GCC 7 but for systems with GCC 6 and ones without
glibc, this additional check fixes this bug.

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Add missing autoconf m4 quotes

Two macro calls were missing quotes and in order to be able to run the
autoupdate script, this patch adds them.

bump to 7.2.9-dev

Remove old and unused warnings when building apache

The configure script already warns users at the beginning with
unrecognized options warning so additional check is not required. These

Remove old and unused warnings when building apache

The configure script already warns users at the beginning with
unrecognized options warning so additional check is not required. These
sapis were also removed from the PHP core.

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Add check for variable size array feature

Usage of VLA is not portable, wile supported by some compilers. For
instance, GCC supports it even if -std=c89 is passed. Even if we would
s

Add check for variable size array feature

Usage of VLA is not portable, wile supported by some compilers. For
instance, GCC supports it even if -std=c89 is passed. Even if we would
switch to C99, it would be still not portable at least with VC++. Thus,
adding a centralized check so such code can be guarded and moved to
alloca() if needed.

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Fix versions, as 7.2.6RC is already out

next is 7.2.6