aclocal: Detect the mingw variant named amd64-mingw32msvc.
diff --git a/configure b/configure
index 24deb97..e2b7257 100755
--- a/configure
+++ b/configure
@@ -7018,7 +7018,7 @@
i[3456789]86*)
ac_prefix_list="i686-pc-mingw32-gcc i586-pc-mingw32-gcc i486-pc-mingw32-gcc i386-pc-mingw32-gcc i686-mingw32msvc-gcc i586-mingw32msvc-gcc i486-mingw32msvc-gcc i386-mingw32msvc-gcc i686-mingw32-gcc i586-mingw32-gcc i486-mingw32-gcc i386-mingw32-gcc " ;;
x86_64)
- ac_prefix_list="x86_64-pc-mingw32-gcc x86_64-w64-mingw32-gcc " ;;
+ ac_prefix_list="x86_64-pc-mingw32-gcc amd64-pc-mingw32-gcc x86_64-w64-mingw32-gcc amd64-w64-mingw32-gcc x86_64-mingw32msvc-gcc amd64-mingw32msvc-gcc " ;;
*)
ac_prefix_list="" ;;
esac