I have tried to build a Windows 32-bit JDK-11. While I was successful in building a 64-bit Windows JDK, the attempt for 32-bit failed:
Here's what I did: $ bash configure --with-boot-jdk=/cygdrive/c/jdk-10.0.2 --disable-warnings-as-errors --with-target-bits=32 ... ==================================================== The existing configuration has been successfully updated in /cygdrive/c/jdk/jdk11/build/windows-x86-normal-server-release using configure arguments '--with-boot-jdk=/cygdrive/c/jdk-10.0.2 --disable-warnings-as-errors --with-target-bits=32'. Configuration summary: * Debug level: release * HS debug level: product * JVM variants: server * JVM features: server: 'cds cmsgc compiler1 compiler2 epsilongc g1gc jfr jni-check jvmti management nmt parallelgc serialgc services vm-structs' * OpenJDK target: OS: windows, CPU architecture: x86, address length: 32 * Version string: 11-internal+0-adhoc.synedra.jdk11 (11-internal) Tools summary: * Environment: cygwin version 2.10.0(0.325/5/3) (root at /cygdrive/c/cygwin64) * Boot JDK: openjdk version "10.0.2" 2018-07-17 OpenJDK Runtime Environment 18.3 (build 10.0.2+13) OpenJDK 64-Bit Server VM 18.3 (build 10.0.2+13, mixed mode) (at /cygdrive/c/jdk-10.0.2) * Toolchain: microsoft (Microsoft Visual Studio 2017) * C Compiler: Version 19.15.26729 (at /cygdrive/c/progra~2/micros~1/2017/commun~1/vc/tools/msvc/1415~1.267/bin/hostx86/x86/cl) * C++ Compiler: Version 19.15.26729 (at /cygdrive/c/progra~2/micros~1/2017/commun~1/vc/tools/msvc/1415~1.267/bin/hostx86/x86/cl) Build performance summary: * Cores to use: 2 * Memory limit: 16383 MB ... $ time make CONF=windows-x86-normal-server-release all Building target 'all' in configuration 'windows-x86-normal-server-release' c:/jdk/jdk11/src/hotspot/share/code/codeBlob.cpp(229): error C2956: sized deallocation function 'operator delete(void*, size_t)' would be chosen as placement deallocation function. predefined C++ types (compiler internal)(44): note: see declaration of 'operator delete' c:/jdk/jdk11/src/hotspot/share/code/codeBlob.cpp(250): error C2956: sized deallocation function 'operator delete(void*, size_t)' would be chosen as placement deallocation function. predefined C++ types (compiler internal)(44): note: see declaration of 'operator delete' c:/jdk/jdk11/src/hotspot/share/code/codeBlob.cpp(289): error C2956: sized deallocation function 'operator delete(void*, size_t)' would be chosen as placement deallocation function. predefined C++ types (compiler internal)(44): note: see declaration of 'operator delete' c:/jdk/jdk11/src/hotspot/share/code/codeBlob.cpp(312): error C2956: sized deallocation function 'operator delete(void*, size_t)' would be chosen as placement deallocation function. predefined C++ types (compiler internal)(44): note: see declaration of 'operator delete' c:/jdk/jdk11/src/hotspot/share/code/codeBlob.cpp(333): error C2956: sized deallocation function 'operator delete(void*, size_t)' would be chosen as placement deallocation function. predefined C++ types (compiler internal)(44): note: see declaration of 'operator delete' c:/jdk/jdk11/src/hotspot/share/code/codeBlob.cpp(372): error C2956: sized deallocation function 'operator delete(void*, size_t)' would be chosen as placement deallocation function. predefined C++ types (compiler internal)(44): note: see declaration of 'operator delete' c:/jdk/jdk11/src/hotspot/share/code/codeBlob.cpp(437): error C2956: sized deallocation function 'operator delete(void*, size_t)' would be chosen as placement deallocation function. predefined C++ types (compiler internal)(44): note: see declaration of 'operator delete' c:/jdk/jdk11/src/hotspot/share/code/codeBlob.cpp(470): error C2956: sized deallocation function 'operator delete(void*, size_t)' would be chosen as placement deallocation function. predefined C++ types (compiler internal)(44): note: see declaration of 'operator delete' c:/jdk/jdk11/src/hotspot/share/code/codeBlob.cpp(506): error C2956: sized deallocation function 'operator delete(void*, size_t)' would be chosen as placement deallocation function. predefined C++ types (compiler internal)(44): note: see declaration of 'operator delete' c:/jdk/jdk11/src/hotspot/share/code/codeBlob.cpp(541): error C2956: sized deallocation function 'operator delete(void*, size_t)' would be chosen as placement deallocation function. predefined C++ types (compiler internal)(44): note: see declaration of 'operator delete' make[3]: *** [lib/CompileJvm.gmk:151: /cygdrive/c/jdk/jdk11/build/windows-x86-normal-server-release/hotspot/variant-server/libjvm/objs/codeBlob.obj] Error 1 make[2]: *** [make/Main.gmk:257: hotspot-server-libs] Error 2 make[2]: *** Waiting for unfinished jobs.... ERROR: Build failed for target 'all' in configuration 'windows-x86-normal-server-release' (exit code 2) On a meta-level: Is a JDK for Windows 32-bit just built no longer or is it completely abandoned as a platform? Thank you, Robert Lichtenberger