Macro: ag_check_sys_siglist

Back to the Main Page. | # ag_check_sys_siglist | Download the M4 Source.

Synopsis

  `AG_CHECK_SYS_SIGLIST`

Version

  1.1 (2001/11/11) bkorb @ ac-archive-0.5.39

Author

  autogen.sf.net is a project of Bruce Korb <bkorb@gnu.org>

Description

  Check that the POSIX compliant regular expression compiler is available in the POSIX specified manner, and it works.

M4 Source Code

      AC_DEFUN(AG_CHECK_SYS_SIGLIST,[
        AC_MSG_CHECKING([whether there is a global text array sys_siglist])
        AC_CACHE_VAL([ag_cv_sys_siglist],[
        AC_TRY_RUN([#include <signal.h>
      int main() {
        const char* pz = sys_siglist[1];
        return (pz != 0) ? 0 : 1; }],[ag_cv_sys_siglist=yes],[ag_cv_sys_siglist=no],[ag_cv_sys_siglist=no]
                 ) # end of TRY_RUN]) # end of CACHE_VAL

       AC_MSG_RESULT([$ag_cv_sys_siglist])
       if test x$ag_cv_sys_siglist = xyes
       then
         AC_DEFINE(HAVE_SYS_SIGLIST, 1,
            [Define this if there is a global text array sys_siglist])
       fi
       ]) # end of AC_DEFUN