--On October 19, 2013 7:27:20 AM -0700 John Ralls <[email protected]>
wrote:
On Oct 19, 2013, at 1:03 AM, Geert Janssens
<[email protected]> wrote:
Hi Mike,
I don't know much about the internals of Gtk/Gdk either.
You refer to a missing system schema. Perhaps this is because
GnuCash now overwrites the XDG_DATA_DIRS environment variable in
some cases. This is done in order to find the GnuCash specific
schemas if GnuCash is not installed in /usr.
Can you perhaps run a git bisect to pinpoint the exact commit that
first shows this error ? That would help to eliminate some
speculation.
I dug through the code a bit and discovered that
gdk_pixbuf_new_from_file does depend upon a function called
xdg_run_command_on_dirs (located in glib/gio/xdgmime/xdgmime.c if you
want to go look at it) which tries to find the mime files in the
following directories (in order): $XDG_DATA_HOME, $HOME/.local/share,
$XDG_DATA_DIRS. If it gets to $XDG_DATA_DIRS and it's not defined, it
set it to /usr/local/share:/usr/share.
That last bit is probably the problem. It makes sense that in some
cases users might want to override the default data directories and
prevent them being searched, but perhaps glib should warn that that's
not the case.
Mike, do you have XDG_DATA_DIRS set in your environment? Where are
the mime and mime-info directories installed on your system? If
you're not using it for something else, you could try pointing
XDG_DATA_HOME at that directory.
Thanks for the hints. They made the problem easy to find. The change
in r23225 on October 7 is causing the problem. It made GnuCash set
XDG_DATA_DIRS if it is being installed in a non-standard location.
Unfortunately it sets it to something that won't work on my machine.
I use MacPorts to install GnuCash's dependencies, but not GnuCash
itself. This is much easier than trying to install all the
dependencies by hand. MacPorts installs to /opt/local and its version
of xdg_run_command_on_dirs knows to look in /opt/local/share so
everything works fine if XDG_DATA_DIRS is not set. Unfortunately the
GnuCash Makefile doesn't know about this and assumes the normal default
location of /usr/local/share.
Ideally I'd like to fix this by changing the Makefile to use the
default location that will be used by glib, but I can't figure out how
to get glib to tell me the default in the Makefile. Instead I changed
it to use the compile time value of XDG_DATA_DIRS as a default if it is
set. If it is not set, the path will have a double colon in it, but
that shouldn't hurt. I'll check this in if no one sees any reason not
to.
I noticed, by the way, that environment.in uses semi-colons for path
separaters, even on Unix. Will this work? For example it sets PATH to
PATH={GNC_BIN};{PATH}
Is environment.in used on Windows? If so perhaps we need to use the
correct path separator depending on the platform.
Mike
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