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-rw-r--r--configure.in3
1 files changed, 2 insertions, 1 deletions
diff --git a/configure.in b/configure.in
index d662e92d15e..c1195e2fecb 100644
--- a/configure.in
+++ b/configure.in
@@ -592,6 +592,7 @@ fi
if test "$ac_cv_func_sigprocmask" = yes && test "$ac_cv_func_sigaction" = yes; then
AC_DEFINE(POSIX_SIGNAL)
else
+ AC_CHECK_FUNCS(sigsetmask)
AC_CACHE_CHECK(for BSD signal semantics, rb_cv_bsd_signal,
[AC_TRY_RUN([
#include <stdio.h>
@@ -614,7 +615,7 @@ main()
],
rb_cv_bsd_signal=yes,
rb_cv_bsd_signal=no,
- rb_cv_bsd_signal=no)])
+ rb_cv_bsd_signal=$ac_cv_func_sigsetmask)])
if test "$rb_cv_bsd_signal" = yes; then
AC_DEFINE(BSD_SIGNAL)
fi