Bump for 7.2.20

Prepare 7.3.7-dev

Normalize comments in *nix build system m4 files

Normalization include:
- Use dnl for everything that can be ommitted when configure is built in
favor of the shell comment characte

Normalize comments in *nix build system m4 files

Normalization include:
- Use dnl for everything that can be ommitted when configure is built in
favor of the shell comment character # which is visible in the output.
- Line length normalized to 80 columns
- Dots for most of the one line sentences
- Macro definitions include similar pattern header comments now

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Remove dead code from configure.ac

SAPI apache has been removed and now there is apache2handler so this
warning hasn't been used for a while.

speed up add and sub operators with overflow detection

On A72, google-benchmark measure before and after the patch:
--------------------------------------------------------
Benchmark

speed up add and sub operators with overflow detection

On A72, google-benchmark measure before and after the patch:
--------------------------------------------------------
Benchmark Time CPU Iterations
--------------------------------------------------------
BM_add_before 13.3 ns 13.3 ns 52626058
BM_sub_before 8.72 ns 8.72 ns 80259343
BM_add_after 4.80 ns 4.80 ns 145926004
BM_sub_after 4.80 ns 4.80 ns 145936496

Before the patch:
fast_long_add_function:
ldr x1, [x1]
ldr x2, [x2]
add x3, x1, x2
eor x4, x1, x2
tbz x4, #63, .L5
.L2:
mov w1, 4
str x3, [x0]
str w1, [x0, 8]
ret
.p2align 2
.L5:
eor x4, x1, x3
tbz x4, #63, .L2
scvtf d0, x1
scvtf d1, x2
mov w1, 5
str w1, [x0, 8]
fadd d0, d0, d1
str d0, [x0]
ret

With the patch:
fast_long_add_function:
ldr x5, [x1]
ldr x6, [x2]
adds x5, x5, x6
bvs .L2
mov w6, 4
str x5, [x0]
str w6, [x0, 8]
ret
.L2:
ldr x1, [x1]
mov w3, 5
ldr x2, [x2]
str w3, [x0, 8]
scvtf d0, x1
scvtf d1, x2
fadd d0, d0, d1
str d0, [x0]
ret

php$ ./sapi/cli/php Zend/bench.php

Base: Patch:
simple 0.091 simple 0.091
simplecall 0.014 simplecall 0.014
simpleucall 0.041 simpleucall 0.041
simpleudcall 0.045 simpleudcall 0.045
mandel 0.193 mandel 0.193
mandel2 0.229 mandel2 0.229
ackermann(7) 0.044 ackermann(7) 0.044
ary(50000) 0.010 ary(50000) 0.010
ary2(50000) 0.008 ary2(50000) 0.008
ary3(2000) 0.096 ary3(2000) 0.095
fibo(30) 0.149 fibo(30) 0.148
hash1(50000) 0.016 hash1(50000) 0.016
hash2(500) 0.020 hash2(500) 0.020
heapsort(20000) 0.055 heapsort(20000) 0.054
matrix(20) 0.057 matrix(20) 0.057
nestedloop(12) 0.091 nestedloop(12) 0.091
sieve(30) 0.032 sieve(30) 0.032
strcat(200000) 0.010 strcat(200000) 0.010
------------------------ ------------------------
Total 1.199 Total 1.197

php$ ./sapi/cli/php Zend/micro_bench.php

Base: Patch:
empty_loop 0.051 empty_loop 0.051
func() 0.181 0.130 func() 0.181 0.130
undef_func() 0.186 0.135 undef_func() 0.186 0.135
int_func() 0.116 0.064 int_func() 0.116 0.064
$x = self::$x 0.235 0.183 $x = self::$x 0.233 0.182
self::$x = 0 0.198 0.147 self::$x = 0 0.198 0.147
isset(self::$x) 0.229 0.178 isset(self::$x) 0.229 0.178
empty(self::$x) 0.231 0.180 empty(self::$x) 0.231 0.180
$x = Foo::$x 0.144 0.093 $x = Foo::$x 0.144 0.093
Foo::$x = 0 0.107 0.056 Foo::$x = 0 0.107 0.056
isset(Foo::$x) 0.140 0.088 isset(Foo::$x) 0.140 0.088
empty(Foo::$x) 0.148 0.097 empty(Foo::$x) 0.148 0.097
self::f() 0.238 0.187 self::f() 0.238 0.187
Foo::f() 0.209 0.158 Foo::f() 0.209 0.158
$x = $this->x 0.123 0.072 $x = $this->x 0.123 0.072
$this->x = 0 0.124 0.073 $this->x = 0 0.124 0.073
$this->x += 2 0.151 0.099 $this->x += 2 0.153 0.101
++$this->x 0.137 0.086 ++$this->x 0.138 0.086
--$this->x 0.137 0.086 --$this->x 0.138 0.086
$this->x++ 0.170 0.119 $this->x++ 0.172 0.121
$this->x-- 0.171 0.119 $this->x-- 0.172 0.121
isset($this->x) 0.170 0.119 isset($this->x) 0.170 0.119
empty($this->x) 0.179 0.128 empty($this->x) 0.179 0.128
$this->f() 0.194 0.143 $this->f() 0.194 0.143
$x = Foo::TEST 0.188 0.137 $x = Foo::TEST 0.188 0.136
new Foo() 0.482 0.431 new Foo() 0.479 0.427
$x = TEST 0.109 0.058 $x = TEST 0.109 0.058
$x = $_GET 0.190 0.138 $x = $_GET 0.190 0.139
$x = $GLOBALS['v'] 0.242 0.191 $x = $GLOBALS['v'] 0.242 0.191
$x = $hash['v'] 0.196 0.145 $x = $hash['v'] 0.196 0.145
$x = $str[0] 0.146 0.094 $x = $str[0] 0.145 0.094
$x = $a ?: null 0.144 0.093 $x = $a ?: null 0.144 0.093
$x = $f ?: tmp 0.174 0.123 $x = $f ?: tmp 0.174 0.123
$x = $f ? $f : $a 0.153 0.101 $x = $f ? $f : $a 0.153 0.101
$x = $f ? $f : tmp 0.148 0.097 $x = $f ? $f : tmp 0.148 0.097
------------------------ ------------------------
Total 6.143 Total 6.143

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Remove TSRM configuration header

TSRM configuration header file was once created by separate autoconf
build system for TSRM and is with the current code not directly needed
like this

Remove TSRM configuration header

TSRM configuration header file was once created by separate autoconf
build system for TSRM and is with the current code not directly needed
like this anymore.

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Enable -Werror in CI

Add --enable-werror configure option and use it on Travis. It's not
possible to directly use CFLAGS, because it also affects configure
checks which often throw w

Enable -Werror in CI

Add --enable-werror configure option and use it on Travis. It's not
possible to directly use CFLAGS, because it also affects configure
checks which often throw warnings.

We can't enable something similar for Windows builds at this time,
because they throw a lot more warnings.

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Move Autoconf Archive macros to a common m4 dir

In PHP the build dir is used as a directory for external macros
including Autoconf Archive macros.

Move acinclude.m4 to build/php.m4

The acinclude.m4 file is in a usual Autotools build processed with
Automake's aclocal tool. Since PHP currently doesn't use Automake and
aclocal thi

Move acinclude.m4 to build/php.m4

The acinclude.m4 file is in a usual Autotools build processed with
Automake's aclocal tool. Since PHP currently doesn't use Automake and
aclocal this file can be moved into the build directory. PHP build
system currently generates a combined aclocal.m4 file that Autoconf
can processes automatically.

However, a newer practice is writing all local macros in separate
dedicated files prefixed with package name, in PHP's case PHP_MACRO_NAME
and putting them in a common `m4` directory. PHP uses currently `build`
directory for this purpose.

Name `php.m4` probably most resembles such file for PHP's case.

PHP manually created the aclocal.m4 file from acinclude.m4 and
build/libtool.m4. Which is also not a particularly good practice [1], so
this patch also removes the generated alocal.m4 usage and uses
m4_include() calls manually in the configure.ac and phpize.m4 files
manually.

- sort order is not important but can be alphabetical
- list of *.m4 files prerequisites for configure script generation
updated
- Moving m4_include() before AC_INIT also removes all comments starting
with hash character (`#`) in the included files.

[1] https://autotools.io/autoconf/macros.html

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Refactor Zend/acinclude.m4 local macro

There is now only a single M4 macro in the legacy acinclude.m4 file. A
separate acinclude file was once used with a standalone Zend engine
buil

Refactor Zend/acinclude.m4 local macro

There is now only a single M4 macro in the legacy acinclude.m4 file. A
separate acinclude file was once used with a standalone Zend engine
building but with current build system this can be simplified a bit.

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next is 7.2.19

Prepare main branch for PHP 7.3.6

Remove PHP_READDIR_R_TYPE

The PHP_READDIR_R_TYPE m4 macro has been removed via
2b28f7189144a21e753dbc09efadd571121a82b9.

HAVE_POSIX_READDIR_R in windows header file is also not

Remove PHP_READDIR_R_TYPE

The PHP_READDIR_R_TYPE m4 macro has been removed via
2b28f7189144a21e753dbc09efadd571121a82b9.

HAVE_POSIX_READDIR_R in windows header file is also not needed anymore.

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Remove duplicated substitude for Makefile

The substitution is already done in the CLI's config.m4 file. Current
SAPIs only provide one PHP_EXECUTABLE variable, i.e. PHP CLI so the one

Remove duplicated substitude for Makefile

The substitution is already done in the CLI's config.m4 file. Current
SAPIs only provide one PHP_EXECUTABLE variable, i.e. PHP CLI so the one
in the configure.ac can be removed.

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Remove checks for locale.h, setlocale, localeconv

The `<loccale.h>` header file, setlocale, and localeconv are part of the
standard C89 [1] and on current systems can be used uncondition

Remove checks for locale.h, setlocale, localeconv

The `<loccale.h>` header file, setlocale, and localeconv are part of the
standard C89 [1] and on current systems can be used unconditionally.

Since PHP 7.4 requires at least C89 or greater, the `HAVE_LOCALE_H`,
`HAVE_SETLOCALE`, and `HAVE_LOCALECONV` symbols defined by Autoconf in
configure.ac [2] can be ommitted and simplifed.

The bundled libmagic (file) has also been patched already in version
5.35 and up in upstream location so when it will be patched also in
php-src the check for locale.h header is still left in the configure.ac
and in windows headers definition file.

[1] https://port70.net/~nsz/c/c89/c89-draft.html#4.4
[2] https://git.savannah.gnu.org/cgit/autoconf.git/tree/lib/autoconf/headers.m4

Omit the bundled libmagic files

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Refactor AC_INIT in configure.ac and PHP versions

Since Autoconf 2.53 the AC_INIT call with only a single argument has
been made obsolete and now includes several other optional argument

Refactor AC_INIT in configure.ac and PHP versions

Since Autoconf 2.53 the AC_INIT call with only a single argument has
been made obsolete and now includes several other optional arguments to
make installation experience a bit better by providing program version
and links to the project in the `./configure -h` output. This patch also
updates win build version. The phpize.m4 AC_INIT has been updated with
the call without arguments.

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Added JIT compiler for x86 and x86_64

Join README.GIT-RULES and CONTRIBUTING.md

This patch joins two very much related pieces of docs together in a
single file dedicated to all sorts of contributing info.

Some more

Join README.GIT-RULES and CONTRIBUTING.md

This patch joins two very much related pieces of docs together in a
single file dedicated to all sorts of contributing info.

Some more changes:
- Branches info copied from the current master branch
- LXR and bonsai info removed
- Duplicated info reduced a bit
- Security branch updated to 7.1
- Refactor intro for Git commit rules
- Updated README.GIT-RULES file usage in win32/build/confutils.js
- Refactored configure.ac

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Refactor PHP_PROG_BISON and PHP_PROG_RE2C

This patch refactors these macros to also checks for the required given
versions of bison and re2c.

- PHP_PROG_RE2C and PHP_PROG_BISON

Refactor PHP_PROG_BISON and PHP_PROG_RE2C

This patch refactors these macros to also checks for the required given
versions of bison and re2c.

- PHP_PROG_RE2C and PHP_PROG_BISON take optional args - minmimum version
required, and bison also excluded versions.
- Instead of caching values this uses manual checking and messaging
outputs.
- It looks like the minimum version of RE2C 0.13.4 is working ok so far.

The genfiles script improvements:
- Add make override in genfiles
- Move checkings from makedist to genfiles
- Refactored output messages
- Various minor enhancements

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Remove php7.spec.in file

RPM specification file was introduced via
7c2f1384d45876bbdef255c4a57301e6406f6964 for PHP to include official
RPM packages long time agon. With removal of t

Remove php7.spec.in file

RPM specification file was introduced via
7c2f1384d45876bbdef255c4a57301e6406f6964 for PHP to include official
RPM packages long time agon. With removal of the makerpm script via
3d51d4c90c77a30a7b88aae7184dcce4b6e26b07 and Linux repositories to
manage such updated and customized info in their repositories this file
is most likely not needed anymore.

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remove last enable-maintainer-zts mention from source

TSRM cleanup for PHP8

For consistency with Windows, and because ZTS is not experimental or a "maintainer" feature, this commits renames --enable-maintainer-zts to --enable-zts in the autotools build, and related documenta

For consistency with Windows, and because ZTS is not experimental or a "maintainer" feature, this commits renames --enable-maintainer-zts to --enable-zts in the autotools build, and related documentation

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Bump versions for 7.2.18

Prepare main branch for PHP 7.3.5