Filed at https://rt.cpan.org/Public/Bug/Display.html?id=114138

--- DBD-SQLite-1.50/Makefile.PL	2016-05-02 13:32:35.562004677 -0700
+++ DBD-SQLite-1.50/Makefile.PL	2016-05-02 13:31:31.215124807 -0700
@@ -170,6 +170,7 @@ if ( 0 ) {
 				while ( defined($_ = <$fh>) ) {
 					if (/\#define\s+SQLITE_VERSION_NUMBER\s+(\d+)/) {
 						$version = $1;
+						$sqlite_inc = File::Spec->catdir( '', @$dir );
 						last;
 					}
 				}
@@ -216,7 +217,7 @@ my @CC_INC = (
 	'-I$(DBI_INSTARCH_DIR)',
 );
 if ( $sqlite_inc ) {
-	push @CC_INC, "-I$sqlite_inc";
+	unshift @CC_INC, "-I$sqlite_inc";
 }
 
 my @CC_DEFINE = (
--- DBD-SQLite-1.50/sqlite3ext.h	2016-05-02 13:40:28.734661242 -0700
+++ DBD-SQLite-1.50/sqlite3ext.h	2016-05-02 13:39:16.724889276 -0700
@@ -17,7 +17,7 @@
 */
 #ifndef _SQLITE3EXT_H_
 #define _SQLITE3EXT_H_
-#include "sqlite3.h"
+#include <sqlite3.h>
 
 typedef struct sqlite3_api_routines sqlite3_api_routines;
 
--- DBD-SQLite-1.50/dbdimp.h	2016-05-02 13:40:28.956772954 -0700
+++ DBD-SQLite-1.50/dbdimp.h	2016-05-02 13:39:23.563370124 -0700
@@ -3,7 +3,7 @@
 #define _DBDIMP_H   1
 
 #include "SQLiteXS.h"
-#include "sqlite3.h"
+#include <sqlite3.h>
 
 #define MY_CXT_KEY "DBD::SQLite::_guts" XS_VERSION
 
--- DBD-SQLite-1.50/SQLiteXS.h	2016-05-02 13:40:29.181387425 -0700
+++ DBD-SQLite-1.50/SQLiteXS.h	2016-05-02 13:39:36.956291908 -0700
@@ -18,7 +18,7 @@
 #include "dbivport.h"
 #include <dbd_xsh.h>
 
-#include "sqlite3.h"
+#include <sqlite3.h>
 #include "fts3_tokenizer.h"
 
 #endif