1 files changed, 2 insertions, 0 deletions

diff --git a/configure.ac b/configure.ac
index 865c3b95..a85c5e13 100644
--- a/configure.ac
+++ b/configure.ac
@@ -75,9 +75,11 @@ AS_IF([[test "x$lt_sysroot" != "x" && test "x$SYSROOT" = "x"]], [[SYSROOT="$lt_s
 PACKAGE_VERSION_MAJOR='m4_car(m4_unquote(m4_split(AC_PACKAGE_VERSION, [\.])))'
 PACKAGE_VERSION_MINOR='m4_argn(2, m4_unquote(m4_split(AC_PACKAGE_VERSION, [\.])))'
 PACKAGE_VERSION_SUBMINOR='m4_argn(3, m4_unquote(m4_split(AC_PACKAGE_VERSION, [\.])))'
+AS_VAR_ARITH([MHD_W32_DLL_SUFF],[[$LIB_VERSION_CURRENT - $LIB_VERSION_AGE]])
 AC_SUBST([PACKAGE_VERSION_MAJOR])
 AC_SUBST([PACKAGE_VERSION_MINOR])
 AC_SUBST([PACKAGE_VERSION_SUBMINOR])
+AC_SUBST([MHD_W32_DLL_SUFF])
 AC_CONFIG_FILES([src/microhttpd/microhttpd_dll_res.rc])
 
 MHD_LIB_CPPFLAGS=""