--- configure.ac.orig	2010-09-02 07:47:16 +0000
+++ configure.ac	2010-09-09 14:12:15 +0000
@@ -97,6 +97,11 @@
 dnl (golden_ratio_hash).
 AC_CHECK_TYPE(long long)
 
+dnl circumvent MSVC problems
+AC_CHECK_SIZEOF(void*)
+AC_CHECK_ALIGNOF(void*)
+AC_CPP_FUNC
+
 dnl Check for stuff needed for building the GiNaC interactive shell (ginsh).
 AC_CHECK_HEADERS(unistd.h)
 GINAC_HAVE_RUSAGE