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-rw-r--r--TSRM/tsrm.m42
1 files changed, 2 insertions, 0 deletions
diff --git a/TSRM/tsrm.m4 b/TSRM/tsrm.m4
index 85e6a83a83..b53a4bb805 100644
--- a/TSRM/tsrm.m4
+++ b/TSRM/tsrm.m4
@@ -30,6 +30,8 @@ AC_REQUIRE([AC_PROG_RANLIB])dnl
AC_CHECK_HEADERS(stdarg.h)
+AC_CHECK_FUNCS(sigprocmask)
+
])