From: Ivan Maidanski <ivmai@mail.ru>
Date: Mon, 27 Feb 2012 04:15:01 +0000 (+0400)
Subject: configure: Allow '--disable-parallel-mark' even if no threads
X-Git-Tag: gc7_3alpha2~81
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=e3bfd10510d1c33736165295853df7f125f57a17;p=gc

configure: Allow '--disable-parallel-mark' even if no threads

* configure.ac (parallel-mark): Do not report configuration error if
"--disable-parallel-mark" is specified (and threads are not enabled).
---

diff --git a/configure.ac b/configure.ac
index b467c96d..786864f9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -113,7 +113,9 @@ AC_ARG_ENABLE(parallel-mark,
         [parallelize marking and free list construction])],
    [case "$THREADS" in
       no | none | single)
-        AC_MSG_ERROR([Parallel mark requires --enable-threads=x spec])
+        if test "${enable_parallel_mark}" != no; then
+          AC_MSG_ERROR([Parallel mark requires --enable-threads=x spec])
+        fi
         ;;
     esac ]
 )