Merge branch 'PHP-7.1' into PHP-7.2

diff --cc configure.ac
index 55d6ee996a34a5c440c4f1ab1e2b413e216ed66d,23188b021db415972c2327a87a8a255253c68019..b747a96a8083036645f4480c1ff3daf072b72fc4
--- 1/configure.ac
--- 2/configure.in
+++ b/configure.ac
@@@ -1269,13 -1286,23 +1269,13 @@@ EXTRA_LDFLAGS="$EXTRA_LDFLAGS $PHP_LDFL
  EXTRA_LDFLAGS_PROGRAM="$EXTRA_LDFLAGS_PROGRAM $PHP_LDFLAGS"
  
  # SOURCE_DATE_EPOCH for reproducible builds https://reproducible-builds.org/specs/source-date-epoch/
- PHP_BUILD_DATE=`date --date="@${SOURCE_DATE_EPOCH:-$(date +%s)}" +%Y-%m-%d`
+ PHP_BUILD_DATE=`date --utc --date="@${SOURCE_DATE_EPOCH:-$(date +%s)}" +%Y-%m-%d`
  AC_DEFINE_UNQUOTED(PHP_BUILD_DATE,"$PHP_BUILD_DATE",[PHP build date])
  
 -case $host_alias in
 -*netware*)
 -  PHP_OS="NetWare"
 -  PHP_UNAME="NetWare"
 -  AC_DEFINE_UNQUOTED(PHP_OS,"$PHP_OS",[hardcode for each of the cross compiler host])
 -  AC_DEFINE_UNQUOTED(PHP_UNAME,"$PHP_UNAME",[hardcode for each of the cross compiler host])
 -  ;;
 -*)
 -  PHP_UNAME=`uname -a | xargs`
 -  AC_DEFINE_UNQUOTED(PHP_UNAME,"$PHP_UNAME",[uname -a output])
 -  PHP_OS=`uname | xargs`
 -  AC_DEFINE_UNQUOTED(PHP_OS,"$PHP_OS",[uname output])
 -  ;;
 -esac
 +PHP_UNAME=`uname -a | xargs`
 +AC_DEFINE_UNQUOTED(PHP_UNAME,"$PHP_UNAME",[uname -a output])
 +PHP_OS=`uname | xargs`
 +AC_DEFINE_UNQUOTED(PHP_OS,"$PHP_OS",[uname output])
  
  PHP_SUBST_OLD(PHP_INSTALLED_SAPIS)