Merge branch 'PHP-7.2' into PHP-7.3

* PHP-7.2:
  Refactor timelib.m4

Author: petk

ext/date/config0.m4

@@ -1,7 +1,13 @@
 dnl config.m4 for date extension
 
-sinclude(ext/date/lib/timelib.m4)
-sinclude(lib/timelib.m4)
+dnl Check for headers needed by timelib
+AC_CHECK_HEADERS([ \
+strings.h \
+io.h
+])
+
+dnl Check for strtoll, atoll
+AC_CHECK_FUNCS(strtoll atoll)
 
 PHP_DATE_CFLAGS="-I@ext_builddir@/lib -DZEND_ENABLE_STATIC_TSRMLS_CACHE=1 -DHAVE_TIMELIB_CONFIG_H=1"
 timelib_sources="lib/astro.c lib/dow.c lib/parse_date.c lib/parse_tz.c