diff --git a/configure b/configure
index 0bce970209..6885bc64be 100755
--- a/configure
+++ b/configure
@@ -1,5 +1,5 @@
 #! /bin/sh
-# From configure.ac Revision: 37105 .
+# From configure.ac Revision: 37278 .
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.59e.
 #
@@ -16428,7 +16428,9 @@ if test "${USE_IMAP_TK}" != "no"; then
    echo -n "checking for UW IMAP Toolkit c-client library... "
    saved_cppflags="${CPPFLAGS}"
    saved_libs="${LIBS}"
-   imap_ldflags=`cat ${IMAP_TK_DIR}/c-client/LDFLAGS`
+   if test -f ${IMAP_TK_DIR}/c-client/LDFLAGS ; then
+      imap_ldflags=`cat ${IMAP_TK_DIR}/c-client/LDFLAGS`
+   fi
    CPPFLAGS="${CPPFLAGS} -I${IMAP_TK_DIR}/c-client"
    LIBS="${LIBS} ${IMAP_TK_DIR}/c-client/c-client.a "`echo ${imap_ldflags}`
    cat >conftest.$ac_ext <<_ACEOF
diff --git a/configure.ac b/configure.ac
index 555463d16d..853bdb25fa 100644
--- a/configure.ac
+++ b/configure.ac
@@ -341,7 +341,9 @@ if test "${USE_IMAP_TK}" != "no"; then
    echo -n "checking for UW IMAP Toolkit c-client library... "
    saved_cppflags="${CPPFLAGS}"
    saved_libs="${LIBS}"
-   imap_ldflags=`cat ${IMAP_TK_DIR}/c-client/LDFLAGS`
+   if test -f ${IMAP_TK_DIR}/c-client/LDFLAGS ; then
+      imap_ldflags=`cat ${IMAP_TK_DIR}/c-client/LDFLAGS`
+   fi
    CPPFLAGS="${CPPFLAGS} -I${IMAP_TK_DIR}/c-client"
    LIBS="${LIBS} ${IMAP_TK_DIR}/c-client/c-client.a "`echo ${imap_ldflags}`
    AC_LINK_IFELSE(