Files `config.guess` and `config.sub` are committed in the php-src
repository so these don't need to be ignored for the root directory.
For the extensions these can be ignored in case of building extension
inside the php-src with phpize.
buildmk.stamp
confdefs.h
config.h
-config.guess
config.cache
config.h.in
config.log
config.nice
config.status
-config.sub
config_vars.mk
configuration-parser.c
configuration-parser.h
ext/*/scan_makefile_in.awk
ext/*/Makefile.global
ext/*/acinclude.m4
+ext/*/config.guess
ext/*/config.sub
ext/date/lib/timelib_config.h
ext/iconv/php_have_bsd_iconv.h