Re: Fix LT_WITH_LTDL: AU_ALIAS bug

[Ralf Wildenhues]

* Ralf Wildenhues wrote on Fri, Sep 09, 2005 at 02:09:01PM CEST:
> Hunting down bugs in m4 macros sucks.  Using $# in macros sucks, too.
> Sorry for the cross-post.

More instances of this bug.  Silent bitrot of old code, enabled by a
seemingly unrelated "renaming cleanup"..

OK to apply?

Cheers,
Ralf

        * libltdl/m4/ltdl.m4 (LTDL_INIT): Work around AU_ALIAS bug.
        * libltdl/m4/ltoptions.m4 (_LT_WITH_PIC): Likewise.

Index: libltdl/m4/ltdl.m4
===================================================================
RCS file: /cvsroot/libtool/libtool/libltdl/m4/ltdl.m4,v
retrieving revision 1.6
diff -u -r1.6 ltdl.m4
--- libltdl/m4/ltdl.m4  29 Aug 2005 10:47:41 -0000      1.6
+++ libltdl/m4/ltdl.m4  9 Sep 2005 13:24:58 -0000
@@ -141,7 +141,7 @@
 # Perform all the checks necessary for compilation of the ltdl objects
 #  -- including compiler checks and header checks.
 AC_DEFUN([LTDL_INIT],
-[m4_if([$#], 1, [m4_divert_push([DEFAULTS])dnl
+[m4_ifval([$1], [m4_divert_push([DEFAULTS])dnl
 # libltdl will be built in the named DIRECTORY, relative to $top_builddir.
 lt_ltdl_dir='$1'
 m4_divert_pop([DEFAULTS])])dnl
Index: libltdl/m4/ltoptions.m4
===================================================================
RCS file: /cvsroot/libtool/libtool/libltdl/m4/ltoptions.m4,v
retrieving revision 1.4
diff -u -r1.4 ltoptions.m4
--- libltdl/m4/ltoptions.m4     1 Sep 2005 11:41:26 -0000       1.4
+++ libltdl/m4/ltoptions.m4     9 Sep 2005 13:24:58 -0000
@@ -360,7 +360,7 @@
     [pic_mode="$withval"],
     [pic_mode=default])
 
-test -z "$pic_mode" && pic_mode=m4_if($#, 1, $1, default)
+test -z "$pic_mode" && pic_mode=m4_default([$1], [default])
 
 _LT_DECL([], [pic_mode], [0], [What type of objects to build])dnl
 ])# _LT_WITH_PIC