* doc/autoconf.texi (Limitations of Usual Tools): Some about

`touch'.
From Jim Meyering, Volker Borchert, and Peter Eisentraut.

diff --git a/ChangeLog b/ChangeLog
index 14094767414955149d35592bbf5978c2cb01feaa..488b8c9ab837c71a5c03811a9fe6741dc9ab5a86 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2001-03-20  Akim Demaille  <akim@epita.fr>
+
+       * doc/autoconf.texi (Limitations of Usual Tools): Some about
+       `touch'.
+       From Jim Meyering, Volker Borchert, and Peter Eisentraut.
+
 2001-03-20  Akim Demaille  <akim@epita.fr>
 
        * tests/foreign.at (Libtool): Don't skip 1.3.5.

diff --git a/doc/autoconf.texi b/doc/autoconf.texi
index eda9703463a7733317e7eeba4ee2585fbf123a27..d4b46da8be079b1928743687e6f3d6d7b076c7f9 100644 (file)
--- a/doc/autoconf.texi
+++ b/doc/autoconf.texi
@@ -2023,11 +2023,11 @@ The @file{stamp-} files are necessary because the timestamps of
 @file{config.h.in} and @file{config.h} will not be changed if remaking
 them does not change their contents.  This feature avoids unnecessary
 recompilation.  You should include the file @file{stamp-h.in} your
-package's distribution, so @code{make} will consider @file{config.h.in}
-up to date.  On some old @sc{bsd} systems, @code{touch} or any command
-that results in an empty file does not update the timestamps, so use a
-command like @code{echo} as a workaround.
-@c Using @code{date} would cause needless CVS conflicts.
+package's distribution, so @command{make} will consider
+@file{config.h.in} up to date.  Don't use @command{touch}
+(@pxref{Limitations of Usual Tools}), rather use @command{echo} (using
+@command{date} would cause needless differences, hence @sc{cvs}
+conflicts etc.).
 
 @example
 @group
@@ -6567,8 +6567,20 @@ t end
 s/.*/deleted/g
 : end
 @end example
+
+@item @command{touch}
+@c ------------------
+@cindex @command{touch}
+On some old @sc{bsd} systems, @command{touch} or any command that
+results in an empty file does not update the timestamps, so use a
+command like @code{echo} as a workaround.
+
+GNU @command{touch} 3.16r (and presumably all before that) fails to work
+on SunOS 4.1.3 when the empty file is on an @sc{nfs}-mounted 4.2 volume.
+
 @end table
 
+
 @node Limitations of Make,  , Limitations of Usual Tools, Portable Shell
 @subsection Limitations of Make