From: Eric Wong <e@80x24.org>
Date: Thu, 13 Jun 2019 03:44:41 +0000 (+0000)
Subject: Makefile.PL: "dsyn" target to check syntax of changed files
X-Git-Tag: v1.2.0~184
X-Git-Url: http://www.git.stargrave.org/?p=public-inbox.git;a=commitdiff_plain;h=9bcbfbd478b961786586099af6e6c14775b3827c

Makefile.PL: "dsyn" target to check syntax of changed files

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.
---

diff --git a/Makefile.PL b/Makefile.PL
index 341d42af..113f8c77 100644
--- a/Makefile.PL
+++ b/Makefile.PL
@@ -70,14 +70,17 @@ N = \$\$(( \$\$(nproc 2>/dev/null || gnproc 2>/dev/null || echo 2) + 1 ))
 -include config.mak
 -include Documentation/include.mk
 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