Fix native-compilation build from tarball on Cygwin

* src/Makefile.in (../native-lisp) [CYGWIN]: Rebase the *.eln
files after they are all created, to avoid fork problems later in
the build.  (Bug#50666)

1 files changed, 3 insertions, 0 deletions

diff --git a/src/Makefile.in b/src/Makefile.in
index 759572f85eb..b8d0e7b54ce 100644
--- a/src/Makefile.in
+++ b/src/Makefile.in
@@ -806,6 +806,9 @@ elnlisp := $(addprefix ${lispsource}/,${elnlisp}) $(lisp:.elc=.eln)
 ../native-lisp: | $(pdmp)
         if test ! -d $@; then \
           mkdir $@ && $(MAKE) $(AM_V_NO_PD) $(elnlisp); \
+          if test $(SYSTEM_TYPE) = cygwin; then \
+            find $@ -name '*.eln' | rebase -v -O -T -; \
+          fi; \
           LC_ALL=C $(RUN_TEMACS) -batch $(BUILD_DETAILS) -l loadup --temacs=pdump \
                 --bin-dest $(BIN_DESTDIR) --eln-dest $(ELN_DESTDIR) \
           && cp -f emacs$(EXEEXT) bootstrap-emacs$(EXEEXT) \