Autotools: Add 3rd argument to dba PHP_TEMP_LDFLAGS

[skip ci]

Autotools: Sync CS in ext/dba (part 2) (#15621)

This is a follow-up of 4f6f4fb7d53feb1a1319e1ff78156e05ed555362

- PHP_DBA_DB_CHECK arguments quoted and normalized
- long lines r

Autotools: Sync CS in ext/dba (part 2) (#15621)

This is a follow-up of 4f6f4fb7d53feb1a1319e1ff78156e05ed555362

- PHP_DBA_DB_CHECK arguments quoted and normalized
- long lines reduced a bit
- Few additional AS_VAR_IF used
- Typo in variable name ${dbdp} fixed to ${dbdp4} as there is no dbdp
variable anymore as of 4.x and 5.x paths checks

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Autotools: Normalize PHP_ADD_BUILD_DIR 1st argument (#15612)

The m4_normalize(m4_expand([$1])) expands the given argument if it
contains M4 macros, and then trims the items together into

Autotools: Normalize PHP_ADD_BUILD_DIR 1st argument (#15612)

The m4_normalize(m4_expand([$1])) expands the given argument if it
contains M4 macros, and then trims the items together into a space
separated string in an intuitive way.

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Autotools: Sync CS in ext/dba (#15608)

- Macro headers synced with current PHP style (a minor description added
and parameters)
- macro arguments quoted
- redundant double quot

Autotools: Sync CS in ext/dba (#15608)

- Macro headers synced with current PHP style (a minor description added
and parameters)
- macro arguments quoted
- redundant double quotes reduces
- AS_VAR_IF macros used
- Redundant check message removed because there is already error thrown
right after it

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[skip ci] Fix typo

Add and update ext/dba preprocessor macros help texts (#15221)

Sync HAVE_<extension> help texts (#15167)

This syncs all help texts of extension preprocessor macros to the same
style "Define to 1 if the PHP extension '<ext>' is available.".
[skip

Sync HAVE_<extension> help texts (#15167)

This syncs all help texts of extension preprocessor macros to the same
style "Define to 1 if the PHP extension '<ext>' is available.".
[skip ci]

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Autotools: Normalize and quote all PHP_NEW_EXTENSION arguments (#15144)

This adds Autoconf quote characters to all PHP_NEW_EXTENSION arguments
and syncs the CS across the php-src Autotoo

Autotools: Normalize and quote all PHP_NEW_EXTENSION arguments (#15144)

This adds Autoconf quote characters to all PHP_NEW_EXTENSION arguments
and syncs the CS across the php-src Autotools build system.

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Autotools: Quote PHP_CHECK_LIBRARY arguments (#15136)

This syncs the quotes across the PHP_CHECK_LIBRARY macro arguments.

Autotools: Quote PHP_ADD_LIB* arguments (#15112)

Following previous CS syncs, this quotes arguments in PHP_ADD_LIB* M4
macros:
- PHP_ADD_LIBRARY
- PHP_ADD_LIBRARY_WITH_PATH
-

Autotools: Quote PHP_ADD_LIB* arguments (#15112)

Following previous CS syncs, this quotes arguments in PHP_ADD_LIB* M4
macros:
- PHP_ADD_LIBRARY
- PHP_ADD_LIBRARY_WITH_PATH
- PHP_ADD_LIBPATH

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Autotools: Quote M4 arguments (#15045)

- AC_MSG_CHECKING
- AC_MSG_RESULT
- AC_MSG_WARN
- AC_MSG_ERROR
- AC_MSG_NOTICE

Autotools: Quote M4 arguments (#15033)

- PHP_ADD_INCLUDE
- PHP_EVAL_INCLINE
- PHP_EVAL_LIBLINE

Autotools: Quote all PHP_ADD_BUILD_DIR arguments (#14947)

- All arguments quoted for consistency
- m4_normalize used where list of directories becomes a bit simpler to
read and see

Autotools: Quote all PHP_ADD_BUILD_DIR arguments (#14947)

- All arguments quoted for consistency
- m4_normalize used where list of directories becomes a bit simpler to
read and see the diff

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Autotools: Quote PHP_SUBST arguments in extensions (#14748)

Autotools: Sync indentation style in build system files (#14725)

Use AC_DEFINE_UNQUOTED where variables are used (#14647)

According to Autoconf documentation AC_DEFINE_UNQUOTED should be used,
where shell variables are used in the macro arguments.

Use AC_DEFINE_UNQUOTED where variables are used (#14647)

According to Autoconf documentation AC_DEFINE_UNQUOTED should be used,
where shell variables are used in the macro arguments.
https://www.gnu.org/software/autoconf/manual/autoconf-2.72/autoconf.html#index-AC_005fDEFINE_005fUNQUOTED-2

This also adds simple help descriptions to these CPP macros.

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Remove unused DBA_CDB_MAKE constant (#12535)

Allow lookup of distro-packaged QDBM headers on Debian

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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Switch to use ZTS cache

Add AS_HELP_STRING to *nix build configure options

The Autoconf's default AS_HELP_STRING macro can properly format help
strings [1] so watching out if columns are aligned manually is not

Add AS_HELP_STRING to *nix build configure options

The Autoconf's default AS_HELP_STRING macro can properly format help
strings [1] so watching out if columns are aligned manually is not
anymore.

[1] https://www.gnu.org/software/autoconf/manual/autoconf.html#Pretty-Help-Strings

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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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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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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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Fix: follow the indent of the other configure options