* include/_mingw.h: Increment version to 2.0.

* Makefile.in: Ditto.
	Merge in mingwex branch.

winsup/mingw/mingwex/feupdateenv.c

@@ -0,0 +1,20 @@
+#include <fenv.h>
+
+/* 7.6.4.4
+   The feupdateenv function saves the currently raised exceptions in
+   its automatic storage, installs the floating-point environment
+   represented by the object pointed to by envp, and then raises the
+   saved exceptions. The argument envp shall point to an object
+   set by a call to feholdexcept or fegetenv, or equal the macro
+   FE_DFL_ENV or an implementation-defined environment macro. */
+
+/* FIXME: this works but surely there must be a better way.  */
+
+int feupdateenv (const fenv_t * envp)
+{
+  unsigned int _fexcept = fetestexcept (FE_ALL_EXCEPT); /*save excepts */
+  fesetenv (envp); /* install the env  */
+  feraiseexcept (_fexcept); /* raise the execept */
+  return 0;
+}
+