Properly detect the stdbool.h header

https://bugs.freedesktop.org/show_bug.cgi?id=62001

diff --git a/configure.ac b/configure.ac
index cd3cd43d84110d6235deb91ba7b28e85e764026a..b7972dceec2e15a497ba0c0daab14246a5906af6 100644 (file)
--- 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])])