2 files changed, 10 insertions, 1 deletions

diff --git a/ChangeLog b/ChangeLog
index a2ebd3e912b..f8a3a5e0cca 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2013-04-12  Ken Brown  <kbrown@cornell.edu>
+
+        * configure.ac (canonical): Adapt to 64-bit Cygwin, for which
+        `canonical' is `x86_64-unknown-cygwin'.
+
 2013-04-09  Ken Brown  <kbrown@cornell.edu>
 
         * configure.ac (W32_RES_LINK): Remove unneeded linker directive
diff --git a/configure.ac b/configure.ac
index 71e35ec8ff7..c95072423b5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -471,6 +471,11 @@ case "${canonical}" in
 ##    fi
   ;;
 
+  ## Cygwin ports
+  *-*-cygwin )
+    opsys=cygwin
+  ;;
+
   ## HP 9000 series 700 and 800, running HP/UX
   hppa*-hp-hpux10.2* )
     opsys=hpux10-20
@@ -544,7 +549,6 @@ case "${canonical}" in
   ## Intel 386 machines where we don't care about the manufacturer.
   i[3456]86-*-* )
     case "${canonical}" in
-      *-cygwin )                opsys=cygwin ;;
       *-darwin* )               opsys=darwin ;;
       *-sysv4.2uw* )            opsys=unixware ;;
       *-sysv5uw* )              opsys=unixware ;;