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-rw-r--r--configure.ac2
1 files changed, 1 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac
index 0dd26cdbe..31a3516e9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1062,7 +1062,7 @@ AC_CHECK_FUNCS([unsetenv getpwnam getpwuid fcntl ftruncate])
AC_CHECK_FUNCS([gettimeofday getrusage getrlimit setrlimit clock_gettime])
AC_CHECK_FUNCS([atexit raise getpagesize strftime nl_langinfo setlocale])
AC_CHECK_FUNCS([waitpid wait4 sigaction sigprocmask pipe stat getaddrinfo])
-AC_CHECK_FUNCS([ttyname rand ftello])
+AC_CHECK_FUNCS([ttyname rand ftello fsync])
AC_CHECK_TYPES([struct sigaction, sigset_t],,,[#include <signal.h>])