1 files changed, 3 insertions, 0 deletions

diff --git a/xdelta3/configure.ac b/xdelta3/configure.ac
index c1cae4c..748ffef 100644
--- a/xdelta3/configure.ac
+++ b/xdelta3/configure.ac
@@ -11,6 +11,9 @@ AC_PROG_CXX
 AC_CHECK_HEADERS([lzma.h])
 AC_CHECK_LIB(lzma, lzma_easy_buffer_encode)
 AC_CHECK_SIZEOF(size_t)
+AC_CHECK_SIZEOF(unsigned int)
+AC_CHECK_SIZEOF(unsigned long)
+AC_CHECK_SIZEOF(unsigned long long)
 #AM_PATH_PYTHON(,, [:])
 #AM_CONDITIONAL([HAVE_PYTHON], [test "$PYTHON" != :])
 #AX_PYTHON_DEVEL()