Index: Makefile.in
--- Makefile.in.orig	2009-03-26 10:22:43 +0100
+++ Makefile.in	2009-04-14 21:48:04 +0200
@@ -6,7 +6,7 @@
 CC =		@CC@
 INSTALL =	@INSTALL@
 LIBTOOL =	./libtool
-CFLAGS=		@CFLAGS@ -DDRIVER_VER_INFO=\"@VER_INFO@\" @SQLITE3_A10N_FLAGS@
+CFLAGS=		@CFLAGS@ @CPPFLAGS@ -DDRIVER_VER_INFO=\"@VER_INFO@\" @SQLITE3_A10N_FLAGS@
 SQLITE_INC =	@SQLITE_INC@
 SQLITE_LIB =	@SQLITE_LIB@
 SQLITE_FLAGS =	-DHAVE_LIBVERSION=@SQLITE_LIBVERSION@ \
@@ -93,12 +93,10 @@
 install-3:	libsqlite3odbc.la @EXT_BLOBTOXY@ @EXT_IMPEXP@
 		$(LIBTOOL) --mode=install $(INSTALL) \
 		    libsqlite3odbc.la $(DESTDIR)$(libdir)
-		test -z "@EXT_BLOBTOXY@" || \
-		    $(LIBTOOL) --mode=install $(INSTALL) \
-		    @EXT_BLOBTOXY@ $(DESTDIR)$(libdir)
-		test -z "@EXT_IMPEXP@" || \
-		    $(LIBTOOL) --mode=install $(INSTALL) \
-		    @EXT_IMPEXP@ $(DESTDIR)$(libdir)
+		if [ ".@EXT_BLOBTOXY@" != . ]; then \
+ 		    $(LIBTOOL) $(INSTALL) @EXT_BLOBTOXY@ $(DESTDIR)$(libdir); fi
+		if [ ".@EXT_IMPEXP@" != . ]; then \
+ 		    $(LIBTOOL) $(INSTALL) @EXT_IMPEXP@ $(DESTDIR)$(libdir); fi
 
 uninstall-3:
 		$(LIBTOOL) --mode=uninstall \