- <<'EOF';
-RSYNC_DEST = public-inbox.org:/srv/public-inbox/
-docs = README COPYING $(shell git ls-files Documentation/ '*.txt')
-gz_docs = $(addsuffix .gz, $(docs))
-%.gz: %
- gzip -9 --rsyncable < $< > $@+
- touch -r $< $@+
- mv $@+ $@
+ <<EOF;
+# support using eatmydata to speed up tests (apt-get install eatmydata):
+# https://www.flamingspork.com/projects/libeatmydata/
+EATMYDATA =
+-include config.mak
+-include Documentation/include.mk
+SCRIPTS := scripts/ssoma-replay
+my_syntax := \$(addsuffix .syntax, $PM_FILES \$(EXE_FILES) \$(SCRIPTS))
+
+N := \$(shell echo \$\$(( \$\$(nproc 2>/dev/null || echo 2) + 1)))
+
+%.syntax ::
+ @\$(PERL) -I lib -c \$(subst .syntax,,\$@)
+
+syntax:: \$(my_syntax)