Re: Fwd: Re: modlogan once more

[Akim Demaille]

>>>>> "Dmitry" == Dmitry I Vereschaka <address@hidden> writes:

>> Due to OS/2 have no ln anyway I use 'set LN_S="cp.exe"' in my
>> .bashrc, and I think that creating config.status should relay on
>> $LN_S.

Why don't you `cp cp ln' once for all?

Anyway, after all Autoconf could do an effort.  What about this:

Index: ChangeLog
from  Akim Demaille  <address@hidden>

        * acspecific.m4 (AC_PROG_LN_S): If neither `ln -s' nor `ln' work,
        fall back to `cp'.

Index: acspecific.m4
===================================================================
RCS file: /cvs/autoconf/acspecific.m4,v
retrieving revision 1.303
diff -u -r1.303 acspecific.m4
--- acspecific.m4 2000/10/16 18:25:56 1.303
+++ acspecific.m4 2000/10/18 07:59:21
@@ -274,16 +274,18 @@
 echo >conftest.file
 if ln -s conftest.file conftest.sym 2>/dev/null; then
   ac_cv_prog_LN_S="ln -s"
-else
+elif ln conftest.file conftest.sym 2>/dev/null; then
   ac_cv_prog_LN_S=ln
-fi])dnl
-LN_S=$ac_cv_prog_LN_S
+else
+  ac_cv_prog_LN_S=cp
+fi
+rm -f conftest.sym conftest.file])dnl
+AC_SUBST([LN_S], [$ac_cv_prog_LN_S])
 if test "$ac_cv_prog_LN_S" = "ln -s"; then
-  AC_MSG_RESULT(yes)
+  AC_MSG_RESULT([yes])
 else
-  AC_MSG_RESULT(no)
+  AC_MSG_RESULT([no, using $LN_S])
 fi
-AC_SUBST(LN_S)dnl
 ])# AC_PROG_LN_S
 
 
Index: doc/autoconf.texi
===================================================================
RCS file: /cvs/autoconf/doc/autoconf.texi,v
retrieving revision 1.367
diff -u -r1.367 autoconf.texi
--- doc/autoconf.texi 2000/10/17 12:33:01 1.367
+++ doc/autoconf.texi 2000/10/18 07:59:22
@@ -2704,7 +2704,8 @@
 @ovindex LN_S
 If @samp{ln -s} works on the current file system (the operating system
 and file system support symbolic links), set output variable @code{LN_S}
-to @samp{ln -s}, otherwise set it to @samp{ln}.
+to @samp{ln -s}, otherwise if @samp{ln} works, set @code{LN_S} to
address@hidden, and otherwise set to @samp{cp}.
 
 If the link is put in a directory other than the current directory, its
 meaning depends on whether @samp{ln} or @samp{ln -s} is used.  To safely