Don't load msvcrt.dll when built with UCRT.

contrib/sb-bsd-sockets/win32-lib.lisp

@@ -1,2 +1,2 @@
 (sb-alien:load-shared-object "ws2_32.dll")
-(sb-alien:load-shared-object "msvcrt.dll")
+

contrib/sb-posix/defpackage.lisp

@@ -29,6 +29,3 @@
            ))
 (eval-when (:compile-toplevel :load-toplevel :execute)
   (setf (sb-int:system-package-p (find-package "SB-POSIX")) t))
-
-#+win32
-(sb-alien:load-shared-object "msvcrt.dll")

contrib/sb-posix/interface.lisp

@@ -744,8 +744,11 @@ not supported."
 (defmacro define-stat-call (name arg designator-fun type)
   ;; FIXME: this isn't the documented way of doing this, surely?
   (let ((lisp-name (lisp-for-c-symbol name))
-        (real-name #+inode64 (format nil "~A$INODE64" name)
-                   #-inode64 name))
+        (real-name (or #+inode64
+                       (format nil "~A$INODE64" name)
+                       #+(and ucrt 64-bit)
+                       (format nil "~A64" name)
+                       name)))
     `(progn
       (export ',lisp-name :sb-posix)
       (declaim (inline ,lisp-name))

src/code/warm-lib.lisp

@@ -6,7 +6,7 @@
 #+win32
 (progn
   (load-shared-object "kernel32.dll")
-  (load-shared-object "msvcrt.dll")
+  (load-shared-object #+ucrt "ucrtbase.dll" #-ucrt "msvcrt.dll")
   (load-shared-object "advapi32.dll")
   (load-shared-object "ws2_32.dll")
   (load-shared-object "shell32.dll"))

tools-for-build/grovel-features.sh

@@ -34,6 +34,7 @@ featurep() {
 # It will get added in by Config.*-win32 only if LISP_FEATURE_SB_FUTEX.
 if [ "$sbcl_os" = win32 ] ; then
    LOADLIBES=-lSynchronization featurep os-provides-wakebyaddr sb-futex
+   featurep ucrt
 fi
 
 featurep os-provides-dlopen

tools-for-build/ucrt-test.c

@@ -0,0 +1,10 @@
+#include <windows.h>
+
+int main ()
+{
+#ifdef _UCRT
+  return 104;
+#else
+    return 1;
+#endif
+}