[wpe-webkit] What causes symbols to be visible?

[Konstantin Tokarev]

03.08.2018, 02:14, "Salisbury, Mark" <mark.salisbury at hp.com>:
> Hello,
>
> I’m still using the old WebKit C API, (for example functions like WKPageLoadURLRequest).
>
> However, after updating to tip of tree, none of these functions are visible anymore when I try to link a browser using the C API.
>
> Only a few misc methods + glib style API methods are exported:
>
> $ nm -g -D -C libWPEWebKit-0.1.so | grep -v "U " | more
>
>          w __cxa_finalize
>
>          w __gmon_start__
>
>          w _ITM_deregisterTMCloneTable
>
>          w _ITM_registerTMCloneTable
>
>          w _Jv_RegisterClasses
>
> 003eae11 T NetworkProcessMainUnix
>
>          w __pthread_key_create
>
>          w pthread_once
>
> 003f9ebd T StorageProcessMainUnix
>
> 00408d6d T webkit_application_info_get_name
>
> 00408c89 T webkit_application_info_get_type
>
> 00408ddd T webkit_application_info_get_version
>
> …
>
> 0042bdb1 T webkit_window_properties_get_resizable
>
> 0042bce1 T webkit_window_properties_get_scrollbars_visible
>
> 0042bc9d T webkit_window_properties_get_statusbar_visible
>
> 0042bc59 T webkit_window_properties_get_toolbar_visible
>
> 0042b919 T webkit_window_properties_get_type
>
> 00441d89 T WebProcessMainUnix
>
> Both types of functions have __attribute__((visibility("default"))) (I checked pre-processor output).
>
> Old C API functions use WK_EXPORT whereas the new glib API uses WEBKIT_API.  (But again, they both end up being __attribute__((visibility("default"))).
>
> I notice that we’re compiling and linking with -fvisibility-inlines-hidden, but not with -fvisibility=hidden…
>
> Any ideas?

WPE and GTK ports use linker script located at Source/WebKit/webkitglib-symbols.map

>
> Thanks,
> Mark
> ,
>
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-- 
Regards,
Konstantin