+/* Define if you have the <pdflib.h> header file. */
+#undef HAVE_PDFLIB_H
+
+/* Define if you have the <avifile/version.h> header file. */
+#undef HAVE_AVIFILE_VERSION_H
+
+/* Define if you have the <freetype/ft2build.h> header file. */
+#undef HAVE_FT2BUILD_H
+
+/* Define if you have the <version.h> header file. */
+#undef HAVE_VERSION_H
+
+/* Define if you have the OpenGL header files */
+#undef HAVE_GL_GL_H
+#undef HAVE_GL_GLUT_H
+
+/* Define if you have the OpenGL libraries */
+#undef HAVE_LIBGL
+#undef HAVE_LIBGLU
+#undef HAVE_LIBGLUT
+
+/* Define if OpenGL seems to work */
+#undef HAVE_OPENGL
+
+/* Define if you use poppler */
+#undef HAVE_POPPLER
+
+/* Define to 1 if you have the `poppler' library (-lpoppler). */
+#undef HAVE_LIBPOPPLER
+
+/* Define to 1 if you have the <OutputDev.h> header file. */
+#undef HAVE_OUTPUTDEV_H
+