* m4/tar.m4 (_AM_PROG_TAR): Introduce $_am_tools to work around a

bug in NetBSD /bin/sh.
Report from Nicolas Joly.

diff --git a/ChangeLog b/ChangeLog
index 6ce8791..7468ea9 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2004-06-06  Alexandre Duret-Lutz  <adl@gnu.org>
+
+       * m4/tar.m4 (_AM_PROG_TAR): Introduce $_am_tools to work around a
+       bug in NetBSD /bin/sh.
+       Report from Nicolas Joly.
+
 2004-06-03  Alexandre Duret-Lutz  <adl@gnu.org>
 
        * tests/defs.in (required=icc): Use `-V -help' instead of

diff --git a/m4/tar.m4 b/m4/tar.m4
index 7f93e02..c7d7137 100644 (file)
--- a/m4/tar.m4
+++ b/m4/tar.m4
@@ -42,7 +42,10 @@ m4_if([$1], [v7],
               [m4_fatal([Unknown tar format])])
 AC_MSG_CHECKING([how to create a $1 tar archive])
 # Loop over all known methods to create a tar archive until one works.
-for _am_tool in ${am_cv_prog_tar_$1-gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none}
+_am_tools=${am_cv_prog_tar_$1-gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none}
+# Do not replace $_am_tools by its definition on the `for' line, NetBSD 2.0F
+# /bin/sh will not perform IFS splitting on the right side of `-'.
+for _am_tool in $_am_tools
 do
   case $_am_tool in
   gnutar)