[Buildroot] [Bug 621] New: BR2_USE_WCHAR does not seem to enable WCHAR support in uClibc

[Buildroot] [Bug 621] New: BR2_USE_WCHAR does not seem to enable WCHAR support in uClibc

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=621

             Build: buildroot-2009.08-2009.09.18
           Summary: BR2_USE_WCHAR does not seem to enable WCHAR support in
                    uClibc
           Product: buildroot
           Version: unspecified
          Platform: Other
        OS/Version: Linux
            Status: NEW
          Severity: enhancement
          Priority: P5
         Component: Other
        AssignedTo: unassigned at buildroot.uclibc.org
        ReportedBy: sethml at ofb.net
                CC: buildroot at uclibc.org
   Estimated Hours: 0.0


I just built withe BR2_USE_WCHAR=y, and that does not seem to enable WCHAR
support in uClibc - it looks like the variable just isn't hooked up properly?

I can provide more details if you can't replicate.


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[Buildroot] [Bug 621] BR2_USE_WCHAR does not seem to enable WCHAR support in uClibc

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=621


Peter Korsgaard <jacmet@uclibc.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED




--- Comment #1 from Peter Korsgaard <jacmet@uclibc.org>  2009-09-20 18:05:20 UTC ---
Why do you think that it doesn't give you WCHAR support? Please do provide more
details. In particular, please show the relevant part of your uclibc config
(output/toolchain/uClibc-0.9.30.1/.config. It should contain a
UCLIBC_HAS_WCHAR=y line - If not, please provide your buildroot config and
explain how you built it.

Do notice though that you obviously need to recompile everything when you
change BR2_USE_WCHAR, and that it isn't detected automatically (do rm -rf
output; make)


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[Buildroot] [Bug 621] BR2_USE_WCHAR does not seem to enable WCHAR support in uClibc

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=621


Seth LaForge <sethml@ofb.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|                            |FIXED




--- Comment #2 from Seth LaForge <sethml@ofb.net>  2009-09-20 19:25:12 UTC ---
I had done a "make menuconfig", turned on WCHAR support, done "make clean",
then "make", and ended up with a no-wchar build, confirmed by doing "make
uclibc-menuconfig" and noting that the WCHAR option was not enabled.

Apparently "make clean" wasn't enough to clean things out properly.  I don't
have a directory "output", but I re-extracted buildroot from the tarball and
rebuild with BR2_USE_WCHAR on, and it seems to have worked.  Thanks!

It would be really nice to have a section in the buildroot documentation
describing what you need to do when rebuilding after changing various settings,
for example:
  - After changing a toolchain option.
  - After changing a uclibc or busybox option.  (And when do the uclibc or
busybox .configs get clobbered?)
  - After enabling or disabling a package.


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