--- libuv-1.15.0/configure.ac.orig	2017-10-03 08:51:23.170168100 -0400
+++ libuv-1.15.0/configure.ac	2017-10-03 08:51:32.436493400 -0400
@@ -53,6 +53,7 @@ AC_SYS_LARGEFILE
 AM_CONDITIONAL([AIX],      [AS_CASE([$host_os],[aix*],          [true], [false])])
 AM_CONDITIONAL([ANDROID],  [AS_CASE([$host_os],[linux-android*],[true], [false])])
 AM_CONDITIONAL([CYGWIN],   [AS_CASE([$host_os],[cygwin*],       [true], [false])])
+AM_CONDITIONAL([MSYS],     [AS_CASE([$host_os],[msys*],         [true], [false])])
 AM_CONDITIONAL([DARWIN],   [AS_CASE([$host_os],[darwin*],       [true], [false])])
 AM_CONDITIONAL([DRAGONFLY],[AS_CASE([$host_os],[dragonfly*],    [true], [false])])
 AM_CONDITIONAL([FREEBSD],  [AS_CASE([$host_os],[*freebsd*],     [true], [false])])