1 files changed, 6 insertions, 1 deletions
diff --git a/winsup/configure.in b/winsup/configure.in
index 21b3f1b67..79d472b9e 100755
--- a/winsup/configure.in
+++ b/winsup/configure.in
@@ -67,7 +67,12 @@ LIB_AC_PROG_CC
 LIB_AC_PROG_CXX
 
 SUBDIRS='cygwin'
-test -d $srcdir/w32api && SUBDIRS="w32api $SUBDIRS"
+if test -d $srcdir/w32api; then
+    SUBDIRS="w32api $SUBDIRS"
+else
+    echo "*** missing w32api directory" 1>&2
+    exit 1
+fi
 test -d $srcdir/mingw && SUBDIRS="$SUBDIRS mingw"
 
 case "$with_cross_host" in