diff -up php-7.2.4RC1/configure.ac.fixheader php-7.2.4RC1/configure.ac
--- php-7.2.4RC1/configure.ac.fixheader 2018-03-13 12:42:47.594623100 +0100
+++ php-7.2.4RC1/configure.ac 2018-03-13 12:43:35.591871825 +0100
@@ -1275,7 +1275,7 @@ PHP_BUILD_DATE=`date -u +%Y-%m-%d`
fi
AC_DEFINE_UNQUOTED(PHP_BUILD_DATE,"$PHP_BUILD_DATE",[PHP build date])
-PHP_UNAME=`uname -a | xargs`
+PHP_UNAME=`uname | xargs`
AC_DEFINE_UNQUOTED(PHP_UNAME,"$PHP_UNAME",[uname -a output])
PHP_OS=`uname | xargs`
AC_DEFINE_UNQUOTED(PHP_OS,"$PHP_OS",[uname output])