[PATCH 2/2] build: make syntax check target

[Eric Wong <e@80x24.org>]

This can be useful for quickly checking for syntax errors
and warnings without running the full test suite
---
 Makefile.PL | 20 ++++++++++++++++----
 1 file changed, 16 insertions(+), 4 deletions(-)

diff --git a/Makefile.PL b/Makefile.PL
index bf30ad0..2a7a6e7 100644
--- a/Makefile.PL
+++ b/Makefile.PL
@@ -6,12 +6,16 @@
 # so don't depend on any public Perl API
 use strict;
 use ExtUtils::MakeMaker;
+my @EXE_FILES = split("\n", `git ls-files 'script/' 2>/dev/null`);
+my $PM_FILES = `git ls-files lib '*.pm' 2>/dev/null`;
+$PM_FILES =~ tr/\n/ /;
+
 WriteMakefile(
 	NAME => 'ssoma',
 	VERSION => '0.1.0',
 	AUTHOR => 'Eric Wong <e@80x24.org>',
 	ABSTRACT => 'some sort of mail archiver',
-	EXE_FILES => [ map { "script/$_" } qw/ssoma-mda ssoma ssoma-rm/],
+	EXE_FILES => \@EXE_FILES,
 	PREREQ_PM => {
 		# Keep this sorted and synced to the INSTALL document
 		'Digest::SHA' => 0,
@@ -25,11 +29,19 @@ WriteMakefile(
 );
 
 sub MY::postamble {
-  <<'EOF';
+  <<EOF;
 -include Documentation/include.mk
-N = $(shell echo $$(( $$(nproc 2>/dev/null || echo 2) + 1)))
+N := \$(shell echo \$\$(( \$\$(nproc 2>/dev/null || echo 2) + 1)))
+my_syntax := \$(addsuffix .syntax, $PM_FILES \$(EXE_FILES))
+
+%.syntax ::
+	@\$(PERL) -I lib -c \$(subst .syntax,,\$@)
+
+syntax:: \$(my_syntax)
+
+
 check:: pure_all
-	prove -lv -j$(N)
+	prove -lv -j\$(N)
 
 EOF
 }
-- 
EW