ref: a3872f05a1cf44bda67a8776f1d097bc61ae750d
dir: /m4/check_signal.m4/
dnl @synopsis AC_CHECK_SIGNAL(SIGNAME) dnl dnl dnl @category C dnl @author Erik de Castro Lopo <erikd AT mega-nerd DOT com> dnl @version 1.0 Jul 07 2007 AC_DEFUN([AC_CHECK_SIGNAL], [AC_CACHE_CHECK(for $1, ac_cv_signal_$1, [ AC_TRY_LINK([ #include <signal.h> ], signal($1, SIG_DFL) ;, ac_cv_signal_$1=yes, ac_cv_signal_$1=no) ]) if test "$ac_cv_signal_$1" = yes; then AC_DEFINE(HAVE_$1, 1, [Define if you have signal $1.]) fi ])# AC_CHECK_SIGNAL ## AC_CHECK_SIGNALS