I found an easy solution, since I'm on MacOs and using MacPorts as package
manager : I can build pango using the following option:
sudo port -v install pango +no_x11 -x11 +quartz +builtin_modules
The "+builtin_modules" variant does what I want : It links the modules
statically into pango, so no more worries about the modules path.
Thanks for your help.
Antoine
On 01 Mar 2012, at 11:26, John Emmas wrote:
On 1 Mar 2012, at 08:59, Antoine Baudoux wrote:
Hello,
Yes thats where pango was installed, but I want to repackage it in a bundled
App. Is there a way to do that? The path to the modules file seems to be
hardcoded in the library, and i was hoping to change it by setting the
PANGO_RC_FILE env variable. Is there another way?
I can offer a solution for Windows but you'd need to be building the library
yourself. If so, you can modify 'pango_get_sysconf_subdirectory()' (in
pango-utils.c). I modified it to look for an environment variable called
"PANGO_MODULE_PATH" (obviously, your main app would have to set up such an
environment var for this to work). Non-Windows versions simply return
'[SYSCONFDIR]/pango' (where SYSCONFDIR is a path you define at compile time).
So again, you'd need to be building pango yourself is you wanted to change the
behaviour.
If nobody knows of a better approach, I'd recommend that this mod should be
considered for inclusion in the main code base (and preferably, a similar idea
for the non-Windows platforms). The reason I needed this on Windows was that
our app needed to have write access for the relevant folder - but we had no way
of guaranteeing that "etc\\pango" would be a writeable directory. So I just
copied the idea from some other gtk library (several other gtk libraries seem
to employ the same strategy). I've included the full code for that function
below, so you can see what I needed to change (it only involved 3 extra lines!!)
John
G_CONST_RETURN char *
pango_get_sysconf_subdirectory (void)
{
#ifdef G_OS_WIN32
char *env_path;
static gchar *result = NULL;
if (result == NULL)
{
/* This function changed by JE - 17-02-2012 to allow us
to find pango.modules from an environment variable */
env_path = g_getenv("PANGO_MODULE_PATH");
if (env_path)
result = g_strdup(env_path);
if (result == NULL)
{
gchar *root =
g_win32_get_package_installation_directory_of_module (pango_dll);
result = g_build_filename (root, "etc\\pango", NULL);
g_free (root);
}
}
return result;
#else
return SYSCONFDIR "/pango";
#endif
}
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