RFR: 8349665: Make clean removes module-deps.gmk

[Magnus Ihse Bursie]

On Thu, 3 Apr 2025 09:18:07 GMT, Magnus Ihse Bursie <ihse at openjdk.org> wrote:

> After [JDK-8292944](https://bugs.openjdk.org/browse/JDK-8292944), we only generate module-deps.gmk once at the start of Init.gmk. This causes `make clean <some other target>` to first generate and then remove module-deps.gmk after which the rest of the build proceeds without a module-deps.gmk, causing problems with dependencies.

Due to known upcoming merge conflicts, I will not try to integrate this until after JDK-8350774. They are not strictly dependent on each other, but JDK-8350774 will cause a merge conflict for this patch, and vice versa.

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PR Comment: https://git.openjdk.org/jdk/pull/24406#issuecomment-2775378854