- Default:
php
The relative directory inside the CMAKE_INSTALL_LIBDIR, where PHP build files
are installed. For example, php/8.6 to specify version or other build-related
characteristics and have multiple PHP versions installed. Absolute paths are
treated as relative; set CMAKE_INSTALL_LIBDIR if absolute path needs to be
set.
With default install prefix, on *nix systems
/usr/local/lib/${PHP_LIB_PREFIX}/, on Windows
C:/Program Files/PHP/lib/${PHP_LIB_PREFIX}/.