From 454e4a156afbc3aeffb2ca5f48ac8550240785da Mon Sep 17 00:00:00 2001
From: Kenichi Ishigaki <ishigaki@cpan.org>
Date: Thu, 10 Jun 2010 08:19:01 +0000
Subject: [PATCH] copy sqlite sources only if they are amalgamated

---
 Makefile.PL | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/Makefile.PL b/Makefile.PL
index 94f65a2..f7ec149 100644
--- a/Makefile.PL
+++ b/Makefile.PL
@@ -323,16 +323,18 @@ sub postamble {
 	my $postamble = eval {
 		DBI::DBD::dbd_postamble(@_)
 	};
-	my $S = $^O eq 'MSWin32' ? '\\' : '/';  # only Win32 (not cygwin)
-	my $share = "\$(INST_LIB)${S}auto${S}share${S}dist${S}\$(DISTNAME)";
-	my $perm_dir = $ExtUtils::MakeMaker::VERSION >= 6.52 ? '$(PERM_DIR)' : '755';
-	$postamble .= <<"SHARE";
+    if (-e 'sqlite3.c' && -e 'sqlite3.h') {
+		my $S = $^O eq 'MSWin32' ? '\\' : '/';  # only Win32 (not cygwin)
+		my $share = "\$(INST_LIB)${S}auto${S}share${S}dist${S}\$(DISTNAME)";
+		my $perm_dir = $ExtUtils::MakeMaker::VERSION >= 6.52 ? '$(PERM_DIR)' : '755';
+		$postamble .= <<"SHARE";
 config ::
 \t\$(NOECHO) \$(MKPATH) "$share"
 \t\$(NOECHO) \$(CHMOD) $perm_dir "$share"
 \t\$(NOECHO) \$(CP) "sqlite3.c" "$share${S}sqlite3.c"
 \t\$(NOECHO) \$(CP) "sqlite3.h" "$share${S}sqlite3.h"
 SHARE
+	}
 	return $postamble;
 }