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Peter Kokot 394eb79c3d Replace obsolete AC_TRY_LINK with AC_LINK_IFELSE
The AC_TRY_LINK macro has been made obsolete in Autoconf 2.50 in 2001.
It should be replaced with AC_LINK_IFELSE instead.

Systems should by now well support this, since PHP 5.3 required Autoconf
2.13+ (released in 1999) or newer, PHP 5.4 required Autoconf 2.59+
(released in 2003), and since PHP 7.2, Autoconf 2.64+ (released in 2008)
is required and for PHP 7.2 phpize the Autoconf 2.59+ is required.

Refs:
- https://www.gnu.org/software/autoconf/manual/autoconf-2.69/html_node/AC_005fACT_005fIFELSE-vs-AC_005fTRY_005fACT.html
- https://www.gnu.org/software/autoconf/manual/autoconf-2.69/html_node/Obsolete-Macros.html
2018-07-24 11:11:47 +01:00
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