user/dev discussion of public-inbox itself
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From: Eric Wong <>
Subject: [PATCH] Makefile.PL: "dsyn" target to check syntax of changed files
Date: Thu, 13 Jun 2019 03:44:41 +0000
Message-ID: <> (raw)

We have lots of files and syntax-checking every single one of
them is slow.  Enable "perl -w" in the existing syntax check
while we're at it.
 Makefile.PL | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/Makefile.PL b/Makefile.PL
index b1274ad..1006d27 100644
--- a/Makefile.PL
+++ b/Makefile.PL
@@ -57,14 +57,17 @@ N = \$\$(( \$\$(nproc 2>/dev/null || gnproc 2>/dev/null || echo 2) + 1 ))
 -include config.mak
 -include Documentation/
 SCRIPTS := scripts/ssoma-replay
-my_syntax := \$(addsuffix .syntax, $PM_FILES \$(EXE_FILES) \$(SCRIPTS))
+syn_files := $PM_FILES \$(EXE_FILES) \$(SCRIPTS)
+my_syntax := \$(addsuffix .syntax, \$(syn_files))
+changed = \$(shell git ls-files -m)
 %.syntax ::
-	@\$(PERL) -I lib -c \$(subst .syntax,,\$@)
+	@\$(PERL) -w -I lib -c \$(subst .syntax,,\$@)
 syntax:: \$(my_syntax)
+dsyn :: \$(addsuffix .syntax, \$(filter \$(changed), \$(syn_files)))
 check-manifest :: MANIFEST
 	if git ls-files >\$?.gen 2>&1; then diff -u \$? \$?.gen; fi

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