[Sugar-devel] jhbuild execution error

Daniel Castelo dcastelo at plan.ceibal.edu.uy
Thu May 13 14:31:43 EDT 2010


On Thu, May 13, 2010 at 3:26 PM, Bernie Innocenti <bernie at codewiz.org>wrote:

> El Thu, 13-05-2010 a las 10:28 -0300, Daniel Castelo escribió:
> > When I run the last version of jhbuild  ./sugar-jhbuild run
> > sugar-emulator the emulator doesn't start.
> > This is the Shell.log output:
> >
> > 1273756965.523033 DEBUG root: STARTUP: Loading the mesh view
> > 1273756965.558274 DEBUG root: Not an activity icon <_MyIcon object at
> > 0x9d091bc (SugarFavoritesMyIcon at 0x9dad488)>
> > 1273756965.558593 DEBUG root: Not an activity icon
> > <CurrentActivityIcon object at 0x9d0948c (CanvasIcon at 0x9dad500)>
> > 1273756965.612840 DEBUG sugar.presence.presenceservice: Reused proxy
> > <Buddy object at 0x9cffe14 (sugar+presence+buddy+Buddy at 0x98c2d00)>
> > python: symbol lookup
> > error:
> /home/latu/sugar-jhbuild5May/install/lib/gtk-2.0/2.10.0/engines/libsugar.so:
> undefined symbol: gtk_widget_is_sensitive
>
> Are you perhaps using an old Linux distribution?
>

I am using Fedora 11. Maybe is time to update me.

>
> sugar-artwork will silently miscompile if GTK does not contain some of
> the required symbols.
>
> I've posted a patch to make it fail noisily (see below). Benjamin, can
> you ACK it, please?
>
> Besides, we should probably update configure.ac to require the minimum
> version of GTK which contains gtk_widget_is_sensitive().
>
>
>
> From: Bernie Innocenti <bernie at codewiz.org>
> Date: Tue, 11 May 2010 18:44:12 -0400
> Subject: [PATCH] sugar-artwork: stricter compiler flags
> Organization: Sugar Labs Foundation
> X-Subversion: sucks
>
> WARN_CFLAGS was already used in gtk/engine/Makefile.am, but not
> initialized by configure.
>
> For backwards compatibility, GCC's by default is very permissive.
> In my case, it was silently miscompiling code which was calling
> a non-existent GTK function. For this particular case, the
> proposed WARN_CFLAGS should make the build fail early in this case.
>
> I'm not proposing -Werror because it frequetly results in broken
> builds for trivial reasons when distros update the toolchain.
>
> Signed-off-by: Bernie Innocenti <bernie at codewiz.org>
> Reviewed-by: James Cameron <quozl at laptop.org>
> Tested-by: James Cameron <quozl at laptop.org>
> ---
>  configure.ac |    6 +++++-
>  1 files changed, 5 insertions(+), 1 deletions(-)
>
> diff --git a/configure.ac b/configure.ac
> index f32dd32..c9f5c26 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -11,6 +11,10 @@ AM_DISABLE_STATIC
>
>  PKG_PROG_PKG_CONFIG([0.19])
>
> +dnl These catch plenty of subtle bugs and miscompilation problems
> +WARN_CFLAGS="-Wall -W -Werror=implicit-function-declaration"
> +AC_SUBST(WARN_CFLAGS)
> +
>  AC_PROG_CC
>  AC_HEADER_STDC
>  AC_PROG_LIBTOOL
> @@ -21,7 +25,7 @@ if test -z "$ICON_SLICER"; then
>  fi
>
>  PKG_CHECK_MODULES(GTK2, gtk+-2.0 >= 2.0.0,,
> -                 AC_MSG_ERROR([GTK+-2.0 is required to compile
> redhat-artwork]))
> +                 AC_MSG_ERROR([GTK+-2.0 is required to compile
> sugar-artwork]))
>
>  GDK_PIXBUF2_CFLAGS=`$PKG_CONFIG --cflags gdk-pixbuf-2.0`
>  GDK_PIXBUF2_LIBS=`$PKG_CONFIG --libs gdk-pixbuf-2.0`
> --
> 1.7.0.1
>
> --
>   // Bernie Innocenti - http://codewiz.org/
>  \X/  Sugar Labs       - http://sugarlabs.org/
>
>


-- 
Ing. Daniel Castelo
Plan Ceibal - Área Técnica
Avda. Italia 6201
Montevideo - Uruguay.
Tel.: 601.57.73 Interno 2228
E-mail : dcastelo at plan.ceibal.edu.uy
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