+# Setting PHP binary variable as to command line (prevailing) or auto detect
+if (NOT PHP_BIN)
+ find_program (PHP_BIN php)
+endif()
+# sanity check if PHP binary exists
+if (NOT EXISTS ${PHP_BIN})
+ message(FATAL_ERROR "PHP binary not found install php or provide location by -DPHP_BIN=/path/php ")
+endif()
+message (STATUS "Setting PHP_BIN= " ${PHP_BIN})
+