thodg/cgminer/m4/signal_h.m4

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• Hash : 8ec2dcc9
  Author :
  Date : 2011-07-13T16:49:44
  

  Mingw suseconds_t and sigaction fixes. Added typedef for suseconds_t for systems without this defined. Added signal/sigaction from gnulib because mingw is missing these.

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• m4/signal_h.m4

• # signal_h.m4 serial 12
  dnl Copyright (C) 2007-2011 Free Software Foundation, Inc.
  dnl This file is free software; the Free Software Foundation
  dnl gives unlimited permission to copy and/or distribute it,
  dnl with or without modifications, as long as this notice is preserved.
  
  AC_DEFUN([gl_SIGNAL_H],
  [
    AC_REQUIRE([gl_SIGNAL_H_DEFAULTS])
    gl_NEXT_HEADERS([signal.h])
  
  # AIX declares sig_atomic_t to already include volatile, and C89 compilers
  # then choke on 'volatile sig_atomic_t'.  C99 requires that it compile.
    AC_CHECK_TYPE([volatile sig_atomic_t], [],
      [HAVE_TYPE_VOLATILE_SIG_ATOMIC_T=0], [[
  #include <signal.h>
      ]])
  
    AC_REQUIRE([AC_TYPE_UID_T])
  
    dnl Persuade glibc <signal.h> to define sighandler_t.
    AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
    AC_CHECK_TYPE([sighandler_t], [], [HAVE_SIGHANDLER_T=0], [[
  #include <signal.h>
      ]])
  
    dnl Check for declarations of anything we want to poison if the
    dnl corresponding gnulib module is not in use.
    gl_WARN_ON_USE_PREPARE([[#include <signal.h>
      ]], [sigaction sigaddset sigdelset sigemptyset sigfillset sigismember
      sigpending sigprocmask])
  ])
  
  AC_DEFUN([gl_SIGNAL_MODULE_INDICATOR],
  [
    dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
    AC_REQUIRE([gl_SIGNAL_H_DEFAULTS])
    gl_MODULE_INDICATOR_SET_VARIABLE([$1])
    dnl Define it also as a C macro, for the benefit of the unit tests.
    gl_MODULE_INDICATOR_FOR_TESTS([$1])
  ])
  
  AC_DEFUN([gl_SIGNAL_H_DEFAULTS],
  [
    GNULIB_SIGNAL_H_SIGPIPE=0;   AC_SUBST([GNULIB_SIGNAL_H_SIGPIPE])
    GNULIB_SIGPROCMASK=0;        AC_SUBST([GNULIB_SIGPROCMASK])
    GNULIB_SIGACTION=0;          AC_SUBST([GNULIB_SIGACTION])
    dnl Assume proper GNU behavior unless another module says otherwise.
    HAVE_POSIX_SIGNALBLOCKING=1; AC_SUBST([HAVE_POSIX_SIGNALBLOCKING])
    HAVE_SIGSET_T=1;             AC_SUBST([HAVE_SIGSET_T])
    HAVE_SIGINFO_T=1;            AC_SUBST([HAVE_SIGINFO_T])
    HAVE_SIGACTION=1;            AC_SUBST([HAVE_SIGACTION])
    HAVE_STRUCT_SIGACTION_SA_SIGACTION=1;
                                 AC_SUBST([HAVE_STRUCT_SIGACTION_SA_SIGACTION])
    HAVE_TYPE_VOLATILE_SIG_ATOMIC_T=1;
                                 AC_SUBST([HAVE_TYPE_VOLATILE_SIG_ATOMIC_T])
    HAVE_SIGHANDLER_T=1;         AC_SUBST([HAVE_SIGHANDLER_T])
  ])
  

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