+# construct config.h
+QQ='"'
+cat > config.h <<EOF
+/* Generated by configure */
+
+/* The prefix to which ${PROJECT} should be installed */
+#define CONFIG_PREFIX "${PREFIX}"
+
+/* The directory to which libraries should be installed */
+#define CONFIG_LIBDIR "${LIBDIR:-${QQ} CONFIG_PREFIX ${QQ}/lib}"
+
+/* The directory to which executables should be installed */
+#define CONFIG_BINDIR "${BINDIR:-${QQ} CONFIG_PREFIX ${QQ}/bin}"
+
+EOF
+