JDK14 cross-compile to arm64 fails to locate c++ header new

[Erik Joelsson]

I'm not familiar with this tool for creating sysroot, but perhaps you 
need to add the libstdc++ dev package to get access to C++ headers?

/Erik

On 2020-08-25 19:46, Choe, Jiwon wrote:
> Hi Adrian,
>
> Thanks for the quick reply. Yes, I do have build-essential installed on the
> host system.
> I have cross-compiled jdk14 from a 32-bit x86 system to target
> aarch32-linux-gnueabihf before, with the same version gcc and g++. Could
> this still be the issue though?
>
> Thanks again,
> Jiwon
>
> On Tue, Aug 25, 2020 at 4:27 PM John Paul Adrian Glaubitz <
> glaubitz at physik.fu-berlin.de> wrote:
>
>> Hi Jiwon!
>>
>> On 8/25/20 10:06 PM, Choe, Jiwon wrote:
>>> === Output from failing command(s) repeated here ===
>>> * For target
>>> hotspot_variant-server_libjvm_gtest_objs_precompiled_precompiled.hpp.gch:
>>> In file included from
>>>
>> /home/jiwon/jdk-related/jdk14/jdk14/src/hotspot/share/classfile/classLoaderData.hpp:28:0,
>>>                   from
>>>
>> /home/jiwon/jdk-related/jdk14/jdk14/src/hotspot/share/precompiled/precompiled.hpp:34:
>> /home/jiwon/jdk-related/jdk14/jdk14/src/hotspot/share/memory/allocation.hpp:31:15:
>>> fatal error: new: No such file or directory
>>>   #include <new>
>> Do you have "build-essential" installed on the host system, assuming it's
>> Debian-based?
>>
>>> Tools summary:
>>> * Boot JDK:       openjdk version "13.0.2" 2020-01-14 OpenJDK Runtime
>>> Environment (build 13.0.2+8) OpenJDK 64-Bit Server VM (build 13.0.2+8,
>>> mixed mode, sharing)  (at /usr/lib/jvm/jdk-13.0.2)
>>> * Toolchain:      gcc (GNU Compiler Collection)
>>> * C Compiler:     Version 4.8.4 (at /usr/bin/aarch64-linux-gnu-gcc)
>>> * C++ Compiler:   Version 4.8.4 (at /usr/bin/aarch64-linux-gnu-g++)
>> That version of GCC looks a bit old. I'm not sure whether it's recent
>> enough for
>> OpenJDK 14.
>>
>> FWIW, I'm using a different approach for cross-building OpenJDK which
>> works particularly
>> easy on Debian and Ubuntu due to Multi-Arch support which allows
>> co-installing library
>> packages for different architectures on one system.
>>
>> I have documented it here:
>> https://wiki.debian.org/PortsDocs/BootstrappingOpenJDK
>>
>> Adrian
>>
>> --
>>   .''`.  John Paul Adrian Glaubitz
>> : :' :  Debian Developer - glaubitz at debian.org
>> `. `'   Freie Universitaet Berlin - glaubitz at physik.fu-berlin.de
>>    `-    GPG: 62FF 8A75 84E0 2956 9546  0006 7426 3B37 F5B5 F913
>>