<div dir="ltr">As part of upgrading <a href="https://github.com/manuelbl/JavaDoesUSB">https://github.com/manuelbl/JavaDoesUSB</a> to JDK 21, I'm building jextract for JDK 21. It works without issue on Linux and Windows. But on macOS it fails with this error message:<div><br></div><div><p style="margin:0px;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;font-size-adjust:none;font-kerning:auto;font-variant-alternates:normal;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-feature-settings:normal;color:rgb(180,36,25)"><span style="font-variant-ligatures:no-common-ligatures"><b>> Task :createJextractImage</b> FAILED</span></p>
<p style="margin:0px;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;font-size-adjust:none;font-kerning:auto;font-variant-alternates:normal;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-feature-settings:normal;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures">Error: jdk.tools.jlink.plugin.PluginException: Duplicate resources: {include/darwin/jawt_md.h=[jdk.compiler, jdk.internal.opt], conf/jaxp.properties=[jdk.compiler, jdk.internal.opt], include/jawt.h=[jdk.compiler, jdk.internal.opt]}</span></p>
<br class="gmail-Apple-interchange-newline"></div><div>From my limited understanding of jlink, I think one of the explicitly specified modules has a transitive dependency to the module "jdk.internal.opt", so it's included as well. But the modules "jdk.compiler" and "jdk.internal.opt" have three common files, which are now in conflict.</div><div><br></div><div>Is this a known issue? Is there a workaround?</div><div><br></div><div>My environment is:</div><div>- JDK for gradle: <span style="color:rgb(0,0,0);font-family:Menlo;font-size:11px">openjdk version "17.0.1" 2021-10-19 LTS</span></div>
- JDK 21: <span style="color:rgb(0,0,0);font-family:Menlo;font-size:11px">OpenJDK 64-Bit Server VM Zulu21+69-CA (build 21-ea+28, mixed mode, sharing)</span><div>- jextract: head of "jdk21" branch</div><div>- Command line: <span style="color:rgb(0,0,0);font-family:Menlo;font-size:11px">sh ./gradlew -Pjdk21_home=/Users/me/Documents/zulu21.0.69-ea-jdk21.0.0-ea.28-macosx_aarch64 -Pllvm_home=/Library/Developer/CommandLineTools/usr/ clean verify</span></div><div><br></div></div>