Fix the aligned variable attribute check (#14211)

By default compilers may not treat attribute warnings as errors when
encountering an unknown __attribute__, unless some error option is

Fix the aligned variable attribute check (#14211)

By default compilers may not treat attribute warnings as errors when
encountering an unknown __attribute__, unless some error option is
provided (-Werror=attributes, -Werror=unknown-attributes, -Werror...).
This fixes the check and wraps it into a separate M4 macro to be
extendable in the future if needed. It checks if conftest.err file was
generated by the compilation check when warnings appear. Also, PHP check
is a bit customized by using __alignof__ keyword, so it is left in there
for now to not break existing checks.

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Fix GH-13727: macro generating invalid call test prototypes fixes.

autoconf/libtool generating code to test features missed `void` for
C calls prototypes w/o arguments.
Note that spe

Fix GH-13727: macro generating invalid call test prototypes fixes.

autoconf/libtool generating code to test features missed `void` for
C calls prototypes w/o arguments.
Note that specific changes related to libtool have to be upstreamed.

Co-authored-by: Peter Kokot <petk@php.net>

close GH-13732

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Check posix_spawn_file_actions_addchdir_np with AC_CHECK_FUNCS

This simplifies the check and defines the symbol with description.

Remove libbind from build system (#12991)

Linking with -lbind is no longer relevant. The libbind was once part of
the ISC project bind9. In 2013, maintenance was moved to NetBSD which

Remove libbind from build system (#12991)

Linking with -lbind is no longer relevant. The libbind was once part of
the ISC project bind9. In 2013, maintenance was moved to NetBSD which
integrated it into netresolv.

[1]: https://www.isc.org/othersoftware/#libbind
[2]: https://wiki.netbsd.org/individual-software-releases/netresolv/

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Clean duplicate headers check (#12710)

- AC_CHECK_HEADERS already includes the header(s) listed in the first
argument, so additional net/if.h is redundant.
- The crypt.h is checked

Clean duplicate headers check (#12710)

- AC_CHECK_HEADERS already includes the header(s) listed in the first
argument, so additional net/if.h is redundant.
- The crypt.h is checked two times and HAVE_CRYPT_H is only needed in
ext/standard.
- Remove duplicate <string.h> in ext/standard
- Remove duplicate <string.h> in getaddrinfo check in configure.ac

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proc_open: Use posix_spawn(3) interface on systems where it is profitable

As the size of the PHP process increases, forking gets slower and memory
consumption increases, degrading the pe

proc_open: Use posix_spawn(3) interface on systems where it is profitable

As the size of the PHP process increases, forking gets slower and memory
consumption increases, degrading the performance in varying degrees.

This patch makes proc_open use posix_spawn only on systems which is known to be
safe, faster than the HAVE_FORK path and have posix_spawn_file_actions_addchdir_np(3)
action.
Non scientific benchmark shows running php own's test suite on linux completes
dozens of seconds faster, the impact is probably higher on systems where
posix_spawn is a syscall.

Closes GH-7933

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*/*.m4: update main() signatures.

The next generation of C compilers is going to enforce the C standard
more strictly:

https://wiki.gentoo.org/wiki/Modern_C_porting

O

*/*.m4: update main() signatures.

The next generation of C compilers is going to enforce the C standard
more strictly:

https://wiki.gentoo.org/wiki/Modern_C_porting

One warning that will soon become an error is -Wstrict-prototypes.
This is relatively easy to catch in most code (it will fail to
compile), but inside of autoconf tests it can go unnoticed because
many feature-test compilations fail by design. For example,

$ export CFLAGS="$CFLAGS -Werror=strict-prototypes"
$ ./configure
...
checking if iconv supports errno... no
configure: error: iconv does not support errno

(this is on a system where iconv *does* support errno). If errno
support were optional, that test would have "silently" disabled
it. The underlying issue here, from config.log, is

conftest.c:211:5: error: function declaration isn't a prototype
[-Werror=strict-prototypes]
211 | int main() {

This commit goes through all of our autoconf tests, replacing main()
with main(void). Up to equivalent types and variable renamings, that's
one of the two valid signatures, and satisfies the compiler (gcc-12 in
this case).

Fixes GH-10751

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Remove obsolete checks for random-related functionality from ext/standard/config.m4 (#9482)

The users of these checks have been moved to ext/random. ext/standard does not
reference the r

Remove obsolete checks for random-related functionality from ext/standard/config.m4 (#9482)

The users of these checks have been moved to ext/random. ext/standard does not
reference the resulting defines.

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GH-9464: Fix build on older macOs releases.

A simple check for CommonCrypto/CommonRandom.h does not work on earlier macOS.
Must also pull in sys/types.h for size_t, Availability.h for __

GH-9464: Fix build on older macOs releases.

A simple check for CommonCrypto/CommonRandom.h does not work on earlier macOS.
Must also pull in sys/types.h for size_t, Availability.h for __OSX_AVAILABLE_STARTING,
and CommonCrypto/CommonCryptoError.h for CCCryptorStatus.

Closes GH-9479.

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Implement Random Extension

https://wiki.php.net/rfc/rng_extension
https://wiki.php.net/rfc/random_extension_improvement

Merge branch 'PHP-8.1'

Merge branch 'PHP-8.0' into PHP-8.1

random extension macOs handling update.

Not such as fix but taking more precautions.
Indeed, the arc4random has two little flaws in this platform,
one already caught upfront by the e

random extension macOs handling update.

Not such as fix but taking more precautions.
Indeed, the arc4random has two little flaws in this platform,
one already caught upfront by the extension (ie size 0), also
internal use of ccrng_generate which can silently fail in few rare
cases.

Closes #7824.

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Fixed build in separate directory

Implement php_handle_avif() using libavifinfo

See #80828 and the internals@ mailing list discussion at
https://externals.io/message/116543

Use libavifinfo's AvifInfoGetFeaturesS

Implement php_handle_avif() using libavifinfo

See #80828 and the internals@ mailing list discussion at
https://externals.io/message/116543

Use libavifinfo's AvifInfoGetFeaturesStream() in php_handle_avif() to
get the width, height, bit depth and channel count from an AVIF
payload. Implement stream reading/skipping functions and data struct.
Use libavifinfo's AvifInfoIdentifyStream() in php_is_image_avif().

Update the expected features read from "test1pix.avif" in
getimagesize.phpt.

Closes GH-7711.

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only check crypt algo if we use external libcrypt

add note in UPGRADING

Add --with-external-libcrypt build option
display an error message if some algo not available in external libcrypt

Fix bug #81491: Ensure HAVE_ARGON2LIB is set when compiling using libargon2

Closes GH-7538.

Better support for cross-compilation

Use pkg-config for libargon2

We already tried this in PHP 7.4, but ran into issues, because
alpine did not support pkg-config for libargon2 (or had a broken
pc file, not sure). The A

Use pkg-config for libargon2

We already tried this in PHP 7.4, but ran into issues, because
alpine did not support pkg-config for libargon2 (or had a broken
pc file, not sure). The Alpine issue has been resolved in the
meantime, so let's give this another try.

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Merge branch 'PHP-7.4'

* PHP-7.4:
Fix -Wimplicit-function-declaration in configure

Merge branch 'PHP-7.3' into PHP-7.4

* PHP-7.3:
Fix -Wimplicit-function-declaration in configure

Fix -Wimplicit-function-declaration in configure

As this is an error with xcode 12, see bug #80171.

X86: Fast CRC32 computation using PCLMULQDQ instruction

Based on:
"Fast CRC Computation for Generic Polynomials Using PCLMULQDQ Instruction"
V. Gopal, E. Ozturk, et al., 2009, http:/

X86: Fast CRC32 computation using PCLMULQDQ instruction

Based on:
"Fast CRC Computation for Generic Polynomials Using PCLMULQDQ Instruction"
V. Gopal, E. Ozturk, et al., 2009, http://intel.ly/2ySEwL0

Signed-off-by: Frank Du <frank.du@intel.com>

Closes GH-6018

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