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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Merge branch 'PHP-7.2'

* PHP-7.2:
Fix C++11 and up compatibility for zend_finite and more

Merge branch 'PHP-7.1' into PHP-7.2

* PHP-7.1:
Fix C++11 and up compatibility for zend_finite and more

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

Merge branch 'PHP-7.2'

Fixed bug #75722: Rework valgrind detection

As described in bug report #75722, the configure script (acinclude.m4)
currently searches for the valgrind header file and enables valgrind

Fixed bug #75722: Rework valgrind detection

As described in bug report #75722, the configure script (acinclude.m4)
currently searches for the valgrind header file and enables valgrind
support if found.

When cross-compiling the searched paths are invalid for the target
platform because they belong to the host system. At the moment, there is
no way to tell the build system a dedicated path where to look for the
header file.

This leads to the issue, that when cross-compiling eg. for ARMv5 platform,
that valgrind header file is detected - e.g. because host system is amd64 -
and support is enabled - but target platform will never support valgrind
(valgrind requires e.g. at least ARMv7).

This change reworks the detection so that user could manually opt-in
valgrind support and optionally specify a directory where the build system
should look for the header file using the --with-valgrind option.

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next is 7.2.5

Merge branch 'PHP-7.2'

* PHP-7.2:
Fixed bug #76044 'date: illegal option -- -' in ./configure on FreeBSD

Merge branch 'PHP-7.1' into PHP-7.2

* PHP-7.1:
Fixed bug #76044 'date: illegal option -- -' in ./configure on FreeBSD

Now working on 7.2.4-dev

Optimized base64_encode/decode with SIMD instructions

Fixed cpuinfo in LLVM GCC & Added AVX2 detection

Seems it only defines __builtin_cpu_supports but no __builtin_cpu_init
(Apple LLVM version 9.0.0 (clang-900.0.38))

Merge branch 'master' of git.php.net:/php-src

* 'master' of git.php.net:/php-src: (37 commits)
Avoid conditions inside loop
Improve loop vectorization
Improve loop vectoriz

Merge branch 'master' of git.php.net:/php-src

* 'master' of git.php.net:/php-src: (37 commits)
Avoid conditions inside loop
Improve loop vectorization
Improve loop vectorization
Remove unused function
Fixed bug #75938
Remove unused files
Fixed bug #75940 Unnecessary compile wrapper with PHP_THREAD_SAFETY=yes
typo
Update README.GIT-RULES
Fix SKIPIF section
Fixes bug #75871 Use pkg-config for libxml2 if available
Fixed bug #49876 lib path on 64bit distros
Refactor testing READMEs
Fixed bug #65414
Fixed bug #65414
Fixed bug #74519 strange behavior of AppendIterator
fix #74519 strange behavior of AppendIterator
Use bool instead of boolean
Remove space between function name and open parentheses
Fix some misspellings
...

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