+ m4_ifdef([gl_SIGNALBLOCKING], [
+ gl_SIGNALBLOCKING
+ if test $HAVE_POSIX_SIGNALBLOCKING = 0; then
+ m4_ifdef([gl_SIGNAL_SIGPIPE], [
+ gl_SIGNAL_SIGPIPE
+ if test $gl_cv_header_signal_h_SIGPIPE != yes; then
+ REPLACE_RAISE=1
+ fi
+ ], [:])
+ fi
+ ])