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-rw-r--r--configure.ac2
1 files changed, 2 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index f3eb3a1..9ee8938 100644
--- a/configure.ac
+++ b/configure.ac
@@ -18,6 +18,8 @@ AC_SUBST([LIBTOOL_DEPS])
AC_PROG_CXX
AC_LANG([C++])
AC_C_BIGENDIAN
+AC_TYPE_SIZE_T
+AC_TYPE_SSIZE_T
AC_CHECK_HEADERS([stdint.h stddef.h sys/mman.h sys/resource.h windows.h byteswap.h sys/byteswap.h sys/endian.h sys/time.h])
# Don't use AC_FUNC_MMAP, as it checks for mappings of already-mapped memory,