Fix the SO_LISTENQLEN check in FPM (#13089)

This now defines the HAVE_LQ_SO_LISTENQ as the fallback check when all
previous have failed in case of FPM LQ. This seemed to be a typo in the

Fix the SO_LISTENQLEN check in FPM (#13089)

This now defines the HAVE_LQ_SO_LISTENQ as the fallback check when all
previous have failed in case of FPM LQ. This seemed to be a typo in the
build system.

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Align configure check message results together

Fix _GNU_SOURCE redefined warnings in config.log

_GNU_SOURCE is already defined when doing these checks and warnings are
emitted otherwise in the configuration step.

Remove duplicated socket check (#12839)

Check is already done in configure.ac.

Fix too many arguments in FPM ACL compile check (#12242)

The AC_COMPILE_IFELSE takes 3 arguments unlike AC_RUN_IFELSE which needs
the 4th argument for cross-compilation.

*/*.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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Use PDEATHSIG to kill cli-server workers if parent exists

Closes GH-9476

Set libtool tag per command instead of global one

Global --tag=CC defined in configure.ac is not correct in all cases. For example
linking objects that were compiled from C++ sources nee

Set libtool tag per command instead of global one

Global --tag=CC defined in configure.ac is not correct in all cases. For example
linking objects that were compiled from C++ sources needs to be done with C++
compiler, however for link mode libtool will prefer compiler indicated with
--tag.

Fixes GH-12349

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Fix FPM ACL build check on MacOS

MacOS has got ACL support but without user/group support.

Support fpm_get_socket_listening_queue on macOS

Using TCP_CONNECTION_INFO socket option.

Add extra check for FPM proc dumpable on SELinux based systems

The deny_ptrace is a OS runtime setting and is off by default,
at least on workstations flavors (fedora) however it might b

Add extra check for FPM proc dumpable on SELinux based systems

The deny_ptrace is a OS runtime setting and is off by default,
at least on workstations flavors (fedora) however it might be
different on production servers.

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fpm allow process tracing/core dump on solaris systems. (#7548)

fpm allow to ptrace/make the the process dumpable for FreeBSD. (#7375)

sapi/fpm/config.m4: check for libapparmor's aa_change_profile()

The fpm code actually uses aa_change_profile(), not change_hat(). Test
for the correct function. (libapparmor always has b

sapi/fpm/config.m4: check for libapparmor's aa_change_profile()

The fpm code actually uses aa_change_profile(), not change_hat(). Test
for the correct function. (libapparmor always has both, so this is just
a correctness fix.)

Closes GH-6037.

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sapi/fpm/config.m4: add a new --with-fpm-apparmor configure flag.

The existing AC_FPM_APPARMOR macro (which is always run when FPM is
enabled) checks for the existence of libapparmor, an

sapi/fpm/config.m4: add a new --with-fpm-apparmor configure flag.

The existing AC_FPM_APPARMOR macro (which is always run when FPM is
enabled) checks for the existence of libapparmor, and adds it to $LIBS
if found. The result is an "automagic" dependency on libapparmor that
depends not only on the user's configuration, but also on the build
host's environment.

In particular, this can cause problems if the user just happens to
have libapparmor installed (for testing or development) when he builds
PHP. Later, he may remove libapparmor, not realizing that PHP depends
on it. At that point, FPM will cease to work due to the missing library.

This commit adds a new configure flag called "--with-fpm-apparmor",
defaulting to "no", that enables or disables the feature. The new flag
is used to signal the user's intent; whether or not he wants to use
AppArmor. If he does, then we still check for the existence and
usability of libapparmor; however, it is now an error for the library
to be missing when --with-fpm-apparmor is requested.

Gentoo-bug: https://bugs.gentoo.org/637402
PHP-bug: https://bugs.php.net/bug.php?id=75519

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Revert "Link executable files using non PIC object files. This reduces PIC overhead and improves performance."

This reverts commit eef85229d0fe9f69d325aa0231e592f35c468afb.

Link executable files using non PIC object files. This reduces PIC overhead and improves performance.

Link executable files using non PIC object files. This reduces PIC overhead and improves performance.

Remove AC_FPM_POLL

AC_FPM_POLL defines HAVE_POLL symbol which is already checked by
configure.ac and function poll in AC_CHECK_FUNCTIONS.

Closes GH-4449

Clean headers checks

Some headers were checked multiple times in the main configure.ac file
and in the bundled extensions or SAPIs themselves. Also many of these
checks are then used

Clean headers checks

Some headers were checked multiple times in the main configure.ac file
and in the bundled extensions or SAPIs themselves. Also many of these
checks are then used accross other extensions or SAPIs so a central
configure.ac makes most sense for these checks.

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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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Use PKG_CHECK_MODULES to detect the systemd library

Always use pkg-config from the host architecture

Clean build system

Changes:
- AC_TYPE_SIZE_T called on only one place (configure.ac)
- AC_FUNC_ALLOCA called on only one place (configure.ac)
- AC_TYPE_UID_T called on only one p

Clean build system

Changes:
- AC_TYPE_SIZE_T called on only one place (configure.ac)
- AC_FUNC_ALLOCA called on only one place (configure.ac)
- AC_TYPE_UID_T called on only one place (configure.ac)
- HAVE_STRSTR removed since strstr is part of C89 standard [1]
- Remove checks for strtol and strpbrk
- Checking for the presence of perror function is not needed anymore
since it is part of C89 standard and PHP calls it unconditionally.
- Checking for functions strdup, setenv, strerror, and memmove done only
on one place (configure.ac)
- outdated check for snprintf removed

1: https://port70.net/~nsz/c/c89/c89-draft.html

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Fixed ZTS cache usage