From: Ivan Maidanski <ivmai@mail.ru>
Date: Thu, 29 Jun 2017 18:19:33 +0000 (+0300)
Subject: Fix configure --disable-munmap handling
X-Git-Tag: v7.6.2~130
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=141cf0104a9a66ab6e2a0404c3fd61c9a2a6b8d4;p=gc

Fix configure --disable-munmap handling
(Cherry-pick commit cb66553 from 'master' branch.)

* configure.ac (USE_MUNMAP, MUNMAP_THRESHOLD): Do not define if
enable_munmap is "no" (or a blank value).
---

diff --git a/configure.ac b/configure.ac
index a6b15f35..28a261a6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -911,7 +911,7 @@ AC_ARG_ENABLE(munmap,
     [AC_HELP_STRING([--enable-munmap=N],
         [return page to the os if empty for N collections])],
     MUNMAP_THRESHOLD=$enableval)
-if test "${enable_munmap}" != ""; then
+if test x$enable_munmap != x -a x$enable_munmap != xno; then
     AC_DEFINE([USE_MMAP], 1,
               [Define to use mmap instead of sbrk to expand the heap.])
     case "$host" in