diff -ur php-cairo/config.m4 php-cairo-bob/config.m4
--- php-cairo/config.m4	2009-01-06 11:25:46.000000000 -0500
+++ php-cairo-bob/config.m4	2009-01-06 11:27:40.000000000 -0500
@@ -11,7 +11,11 @@
   AC_DEFINE(HAVE_CAIRO, 1, [ ])
 
   PHP_NEW_EXTENSION(cairo, cairo.c cairo_error.c cairo_context.c cairo_pattern.c cairo_matrix.c cairo_font.c cairo_surface.c cairo_image_surface.c cairo_svg_surface.c, $ext_shared)
-
+
+  EXT_CAIRO_HEADERS="php_cairo_api.h php_cairo.h php_cairo_internal.h"
+  ifdef([PHP_INSTALL_HEADERS], [
+    PHP_INSTALL_HEADERS(ext/cairo, $EXT_CAIRO_HEADERS)
+  ])
 	
   AC_MSG_CHECKING(for pkg-config)