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Fix portability problem in toplevel Makefile

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* Makefile.in (sanity-check, preferred-branch-is-current): Avoid
POSIX command substitution, to make Makefile work with the SVR4
shell.
This commit is contained in:
Po Lu 2023-05-06 20:42:22 +08:00
parent 9b66a64d9c
commit a5d142e830
1 changed files with 3 additions and 3 deletions
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6
Makefile.in
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@ -417,9 +417,9 @@ advice-on-failure:
sanity-check:
@[ -f .no-advice-on-failure ] && exit 0; true
@v=$$(src/emacs${EXEEXT} --batch --eval \
@v=`src/emacs${EXEEXT} --batch --eval \
'(progn (defun f (n) (if (= 0 n) 1 (* n (f (- n 1))))) (princ (f 10)))' \
2> /dev/null); \
2> /dev/null`; \
[ "X$$v" = "X3628800" ] && exit 0; \
echo >&2 '***'; \
echo >&2 '*** '"\"make ${make-target}\" succeeded, but Emacs is not functional."; \
@ -1287,7 +1287,7 @@ PREFERRED_BRANCH = emacs-28
preferred-branch-is-current:
git branch | grep -q '^\* $(PREFERRED_BRANCH)$$'
unchanged-history-files:
x=$$(git diff-files --name-only $(CHANGELOG_N) $(emacslog)) && \
x=`git diff-files --name-only $(CHANGELOG_N) $(emacslog)` && \
test -z "$$x"
# Regular expression that matches the newest commit covered by a ChangeLog.