Mac OS X 32bit x86 build fails for jdk12u

[Magnus Ihse Bursie]

On 2020-05-15 17:33, Erik Joelsson wrote:
> Hello Andre,
>
> As far as I'm aware, support for 32 bit on Macosx has not been 
> supported by anyone for a very long time. I would assume it far from 
> trivial to get it to work.
In fact, I wonder if there *ever* have been 32-bit macOS support in 
OpenJDK. I believe we only inherited a 64-bit port from Apple.

/Magnus
>
> /Erik
>
> On 2020-05-14 17:17, Andre Kovacs wrote:
>> Dear members,
>>
>> For compatibility reasons with older 32bit i386 architecture dylibs via
>> JNI, I'm trying to build a 32bit version of jdk12u on Mac OS X.
>>
>> I'm using the following configure command:
>> "bash configure
>> --with-boot-jdk=/Library/Java/JavaVirtualMachines/openjdk12/Contents/Home 
>>
>> --with-target-bits=32"
>>
>> But I'm getting the following build errors when I try to build
>> macosx-x86-client-release and macosx-x86-server-release:
>> "ERROR: Build failed for target 'default (exploded-image)' in 
>> configuration
>> 'macosx-x86-client-release' (exit code 2)
>>
>> === Output from failing command(s) repeated here ===
>> * For target hotspot_variant-client_libjvm_objs_abstractInterpreter.o:
>> In file included from
>> /Users/andre/Documents/OpenJDK/jdk12u-390566f1850a/src/hotspot/share/interpreter/abstractInterpreter.cpp:33: 
>>
>> In file included from
>> /Users/andre/Documents/OpenJDK/jdk12u-390566f1850a/src/hotspot/share/interpreter/interp_masm.hpp:31: 
>>
>> /Users/andre/Documents/OpenJDK/jdk12u-390566f1850a/src/hotspot/cpu/x86/interp_masm_x86.hpp:171:5: 
>>
>> error: call to member function 'movptr' is ambiguous
>>      movptr(Address(rbp, frame::interpreter_frame_last_sp_offset *
>> wordSize), (int32_t)NULL_WORD);
>>      ^~~~~~
>> /Users/andre/Documents/OpenJDK/jdk12u-390566f1850a/src/hotspot/cpu/x86/macroAssembler_x86.hpp:1554:8: 
>>
>> note: candidate function
>>    void movptr(Address dst, intptr_t src);
>>         ^
>> /Users/andre/Documents/OpenJDK/jdk12u-390566f1850a/src/hotspot/cpu/x86/macroAssembler_x86.hpp:1556:8: 
>>
>> note: candidate function
>>    void movptr(Address dst, Register src);
>>         ^
>> /Users/andre/Documents/OpenJDK/jdk12u-390566f1850a/src/hotspot/cpu/x86/macroAssembler_x86.hpp:1540:8: 
>>
>> note: candidate function not viable: no known conversion from 
>> 'Address' to
>> 'ArrayAddress' for 1st argument
>>     ... (rest of output omitted)
>>
>> * All command lines available in
>> /Users/andre/Documents/OpenJDK/jdk12u-390566f1850a/build/macosx-x86-client-release/make-support/failure-logs. 
>>
>> === End of repeated output ==="
>>
>> Thank you in advance for your time.
>>
>> Regards,
>> Andre