Fix upstream workflow build (#29)

Author: Blackhex

winsup/configure.ac

@@ -136,6 +136,9 @@ AC_CONFIG_FILES([
     Makefile
     cygwin/Makefile
     cygserver/Makefile
+    doc/Makefile
+    utils/Makefile
+    utils/mingw/Makefile
     testsuite/Makefile
     testsuite/mingw/Makefile
 ])

winsup/testsuite/cygrun.sh

@@ -13,6 +13,10 @@ then
     windows_runtime_root=$(cygpath -m $runtime_root)
     $cygrun "$exe -v -cygwin $windows_runtime_root/cygwin1.dll"
 else
-    # Removing cygdrop $cygrun to make the tests pass while testing on wsl-env
-    timeout --preserve-status 300 "$exe"
+    if uname | grep -qi cygwin; then
+        cygdrop $cygrun $exe
+    else
+        # Running under WSL.
+        timeout --preserve-status 300 "$exe"
+    fi
 fi