Re: CONFIG_NLS=m resulting in undefined reference toutf16s_to_utf8s causing build failure

From: Narendra_K
Date: Thu Jan 13 2011 - 11:14:19 EST


On Thu, Jan 13, 2011 at 09:25:56PM +0530, Jesse Barnes wrote:
> On Wed, 12 Jan 2011 22:23:55 -0500 (EST)
> Len Brown <lenb@xxxxxxxxxx> wrote:
> > > So there's no other ACPI code that depends on this function? I'd hate
> > > to make PCI depend on NLS, so assuming ACPI doesn't need it (in which
> > > case the select or depend should be there), I guess it should be pulled
> > > into a common file that will always be included.
> >
> > No, nothing in the ACPI code uses utf16s_to_utf8s.
> >
> > I don't know anything about NLS, but it appears to be
> > something that file systems (befs, cifs, fat, hfs, isofs, jfs, etc)
> > use to to support native languages.
> >
> > BTW. I don't understand why pci-label.o appears twice above.
> > It used to be just the 2nd one, that depends on CONFIG_DMI.
>
> Ok, I'll drop this patch for now then since I haven't seen a fix yet
> and need to get Linus the rest of the changes.

Jesse,

I just compile tested a fix on the following lines without any failure.
If it is acceptable, i will send a patch in half an hour. It builds

diff --git a/fs/Makefile b/fs/Makefile
index db71a5b..2a39275 100644
--- a/fs/Makefile
+++ b/fs/Makefile
@@ -86,7 +86,7 @@ obj-$(CONFIG_NFS_FS) += nfs/
obj-$(CONFIG_EXPORTFS) += exportfs/
obj-$(CONFIG_NFSD) += nfsd/
obj-$(CONFIG_LOCKD) += lockd/
-obj-$(CONFIG_NLS) += nls/
+obj-y += nls/
obj-$(CONFIG_SYSV_FS) += sysv/
obj-$(CONFIG_CIFS) += cifs/
obj-$(CONFIG_NCP_FS) += ncpfs/
diff --git a/fs/nls/Makefile b/fs/nls/Makefile
index f499dd7..c172fbb 100644
--- a/fs/nls/Makefile
+++ b/fs/nls/Makefile
@@ -2,7 +2,7 @@
# Makefile for native language support
#

-obj-$(CONFIG_NLS) += nls_base.o
+obj-y += nls_base.o

obj-$(CONFIG_NLS_CODEPAGE_437) += nls_cp437.o
obj-$(CONFIG_NLS_CODEPAGE_737) += nls_cp737.o

With regards,
Narendra K--
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