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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 cd3cd43..b7972dc 100644
--- a/configure.ac
+++ b/configure.ac
@@ -65,6 +65,8 @@ AC_C_BIGENDIAN
# ------------------------------------------------------------------------------
# Checks for libraries and headers
+AC_HEADER_STDBOOL
+
if test "$os_unix" = "yes"; then
AC_CHECK_LIB(pthread, pthread_mutex_lock,,
[AC_MSG_ERROR([could not find pthread_mutex_lock])])