From: Ben Elliston <bje+keyword+gnu.7caf74@air.net.au>
Date: Thu, 25 Feb 1999 18:24:02 +0000 (+0000)
Subject: 1999-02-10  Tom Tromey  <tromey@cygnus.com>
X-Git-Tag: experimental-branchpoint~47
X-Git-Url: http://git.ipfire.org/gitweb/gitweb.cgi?a=commitdiff_plain;h=67d8e848ec7d4a7c6d97a8190d234786ec4c8f31;p=thirdparty%2Fautoconf.git

1999-02-10  Tom Tromey  <tromey@cygnus.com>
	* acgeneral.m4 (AC_CACHE_LOAD): Avoid sourcing special files.
	Works around bug in some versions of bash.
---

diff --git a/acgeneral.m4 b/acgeneral.m4
index c1c3a6f2..0d4f9143 100644
--- a/acgeneral.m4
+++ b/acgeneral.m4
@@ -1032,7 +1032,9 @@ dnl AC_CACHE_LOAD()
 define(AC_CACHE_LOAD,
 [if test -r "$cache_file"; then
   echo "loading cache $cache_file"
-  . $cache_file
+  dnl Some versions of bash will fail to source /dev/null, so we
+  dnl avoid doing that.
+  test -f "$cache_file" && . $cache_file
 else
   echo "creating cache $cache_file"
   > $cache_file
diff --git a/lib/autoconf/general.m4 b/lib/autoconf/general.m4
index c1c3a6f2..0d4f9143 100644
--- a/lib/autoconf/general.m4
+++ b/lib/autoconf/general.m4
@@ -1032,7 +1032,9 @@ dnl AC_CACHE_LOAD()
 define(AC_CACHE_LOAD,
 [if test -r "$cache_file"; then
   echo "loading cache $cache_file"
-  . $cache_file
+  dnl Some versions of bash will fail to source /dev/null, so we
+  dnl avoid doing that.
+  test -f "$cache_file" && . $cache_file
 else
   echo "creating cache $cache_file"
   > $cache_file