On Thu, Oct 05, 2023 at 05:46:46PM +0200, Peter Eisentraut wrote: > --- a/src/backend/Makefile > +++ b/src/backend/Makefile
> $(top_builddir)/src/include/storage/lwlocknames.h: storage/lmgr/lwlocknames.h > - prereqdir=`cd '$(dir $<)' >/dev/null && pwd` && \ > - cd '$(dir $@)' && rm -f $(notdir $@) && \ > - $(LN_S) "$$prereqdir/$(notdir $<)" . > + rm -f '$@' > + $(LN_S) ../../backend/$< '$@' > > $(top_builddir)/src/include/utils/wait_event_types.h: > utils/activity/wait_event_types.h > - prereqdir=`cd '$(dir $<)' >/dev/null && pwd` && \ > - cd '$(dir $@)' && rm -f $(notdir $@) && \ > - $(LN_S) "$$prereqdir/$(notdir $<)" . > + rm -f '$@' > + $(LN_S) ../../backend/$< '$@' These broke the https://www.postgresql.org/docs/17/installation-platform-notes.html#INSTALLATION-NOTES-MINGW build, where LN_S='cp -pR'. On other platforms, "make LN_S='cp -pR'" reproduces this. Reverting the above lines fixes things. The buildfarm has no coverage for that build scenario (fairywren uses Meson).
