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-rw-r--r--erts/configure.in7
1 files changed, 7 insertions, 0 deletions
diff --git a/erts/configure.in b/erts/configure.in
index a14b10adbf..63bf548c89 100644
--- a/erts/configure.in
+++ b/erts/configure.in
@@ -1054,6 +1054,7 @@ fi
AC_SUBST(ERTS_BUILD_SMP_EMU)
+AC_CHECK_FUNCS([posix_fadvise])
#
@@ -1757,6 +1758,12 @@ fi
dnl Need by run_erl.
AC_CHECK_FUNCS([openpty])
+dnl fdatasync syscall (Unix only)
+AC_CHECK_FUNCS([fdatasync])
+
+dnl Find which C libraries are required to use fdatasync
+AC_SEARCH_LIBS(fdatasync, [rt])
+
dnl ----------------------------------------------------------------------
dnl Checks for features/quirks in the system that affects Erlang.
dnl ----------------------------------------------------------------------