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-rw-r--r--configure.ac1
1 files changed, 1 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index e20b10a..8475a23 100644
--- a/configure.ac
+++ b/configure.ac
@@ -70,6 +70,7 @@ if test "x$GCC" = "xyes" ; then
fi
# Checks for header files.
+AC_HEADER_ASSERT
AC_HEADER_STDC
AC_CHECK_HEADERS([fcntl.h limits.h stdlib.h string.h syslog.h unistd.h sys/ioctl.h sys/time.h])
AC_HEADER_SYS_WAIT