jpackageapplauncher linker arguments for osx

[Alexey Semenyuk]

Hi David,

The request to adjust osx linker command lines looks reasonable. Please 
go ahead with a pull request.

- Alexey

On 1/9/2023 1:21 AM, David Holmes wrote:
> On 8/01/2023 8:39 pm, David Schumann wrote:
>> Hello,
>>
>> I'm not 100% sure if this list is the correct one for this topic, 
>> feel free to redirect me.
>
> core-libs-dev - cc'd
>
> Cheers,
> David
>
>> Currently the jpackageapplauncher binary gets linked without the 
>> "-headerpad_max_install_names" argument on osx. This prevents a user 
>> from using the install_name_tool with the launcher binary.
>> This means that it's currently not possible to include dylibs in the 
>> application bundle.
>>
>> To provide a bit more context:
>> I'm using jpackage to build an app bundle. The java application 
>> itself uses external native libraries, which internally use dlopen to 
>> reference other libs. Normaly one would include the other libs in the 
>> app bundle, and use the install_name_tool to tell the dynamic linker 
>> which paths to load the libraries from. However since the launcher 
>> binary doesn't get linked with the correct arguments, this isn't 
>> possible.
>>
>> I wanted to discuss this change, and it it makes sense for me to open 
>> a pull request for it.
>> The change would be in 
>> https://github.com/openjdk/jdk/blob/master/make/modules/jdk.jpackage/Lib.gmk#L76 
>> <https://github.com/openjdk/jdk/blob/master/make/modules/jdk.jpackage/Lib.gmk#L76> 
>>
>>
>> Best Regards,
>> David Schumann
>>