diff -up php-7.3.0RC4/scripts/phpize.in.headers php-7.3.0RC4/scripts/phpize.in

--- php-7.3.0RC4/scripts/phpize.in.headers	2018-10-23 11:32:20.000000000 +0200

+++ php-7.3.0RC4/scripts/phpize.in	2018-10-23 13:35:55.382870481 +0200

@@ -162,6 +162,15 @@ phpize_autotools()

   $PHP_AUTOHEADER || exit 1

 }

+phpize_check_headers()

+{

+  if test ! -f $includedir/main/php.h; then

+    echo "Can't find PHP headers in $includedir"

+    echo "The php-devel package is required for use of this command."

+    exit 1

+  fi

+}

+

 # Main script

 case "$1" in

@@ -180,12 +189,15 @@ case "$1" in

   # Version

   --version|-v)

+    phpize_check_headers

     phpize_print_api_numbers

     exit 0

   ;;

   # Default

   *)

+     phpize_check_headers

+

      phpize_check_configm4 0

      phpize_check_build_files