Merge branch 'PHP-7.2' into PHP-7.3

* PHP-7.2:
  Add "-pthread" to EXTRA_LDFLAGS_PROGRAM as well

Author: nikic

acinclude.m4

@@ -395,6 +395,8 @@ AC_DEFUN([PHP_EVAL_LIBLINE],[
         $2="[$]$2 -pthread"
       else
         PHP_RUN_ONCE(EXTRA_LDFLAGS, [$ac_i], [EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ac_i"])
+        PHP_RUN_ONCE(EXTRA_LDFLAGS_PROGRAM, [$ac_i],
+            [EXTRA_LDFLAGS_PROGRAM="$EXTRA_LDFLAGS_PROGRAM $ac_i"])
       fi
     ;;
     -l*[)]