display info about system used to build

Author: remicollet

ext/standard/info.c

@@ -798,6 +798,9 @@ PHPAPI ZEND_COLD void php_print_info(int flag)
 		php_info_print_table_start();
 		php_info_print_table_row(2, "System", ZSTR_VAL(php_uname));
 		php_info_print_table_row(2, "Build Date", __DATE__ " " __TIME__);
+#ifdef PHP_UNAME
+		php_info_print_table_row(2, "Build System", PHP_UNAME);
+#endif
 #ifdef COMPILER
 		php_info_print_table_row(2, "Compiler", COMPILER);
 #endif