Re: cannot locate symbol "utext_setup_67"

[Ivan Vučica]

> On 2 May 2020, at 18:58, Frederik Seiffert <frederik@algoriddim.com> wrote:
> 
> Hi Stefan,
> 
>>>> I rebuilt the Android Toolchain with the current state of master today and 
>>>> updated the cmake arguments with "-DANDROID_STL=c++_shared“ according to 
>>>> the examples, but now I’m getting a crash with
>>>> 
>>>> java.lang.UnsatisfiedLinkError: dlopen failed: cannot locate symbol 
>>>> "utext_setup_67" referenced by „(…)==/lib/x86/libgnustep-base.so"…
> 
> 
> You should be able to fix this by loading the ICU libraries (icuuc and 
> icui18n) at runtime before your native library that is using GNUstep, as is 
> done in the example project:
> 
> https://github.com/gnustep/android-examples/blob/master/hello-objectivec/app/src/main/java/com/algoriddim/androidgnusteptest/MainActivity.java#L14-L18
> 
> TBH I’m not entirely sure why this is necessary, although it might be related 
> to this ugly hack I had to employ to remove the version numbers from 
> SONAME/DT_NEEDED in the ICU libs, as the Android NDK doesn’t support 
> versioned libraries (if someone has a suggestion as to how to do this in a 
> less hacky way please let me know):

I very vaguely recall Android dynamic linker not recursively loading all ELF 
dependencies back when I was fiddling with this in 2014 or so. I’m pleasantly 
surprised that the list is _shorter_ than I remember it being.