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Annotation of embedaddon/libiconv/srcm4/signal_h.m4, revision 1.1

1.1     ! misho       1: # signal_h.m4 serial 7
        !             2: dnl Copyright (C) 2007, 2008, 2009 Free Software Foundation, Inc.
        !             3: dnl This file is free software; the Free Software Foundation
        !             4: dnl gives unlimited permission to copy and/or distribute it,
        !             5: dnl with or without modifications, as long as this notice is preserved.
        !             6: 
        !             7: AC_DEFUN([gl_SIGNAL_H],
        !             8: [
        !             9:   AC_REQUIRE([gl_SIGNAL_H_DEFAULTS])
        !            10:   gl_CHECK_NEXT_HEADERS([signal.h])
        !            11: # AIX declares sig_atomic_t to already include volatile, and C89 compilers
        !            12: # then choke on 'volatile sig_atomic_t'.  C99 requires that it compile.
        !            13:   AC_CHECK_TYPE([volatile sig_atomic_t], [],
        !            14:     [HAVE_TYPE_VOLATILE_SIG_ATOMIC_T=0], [[
        !            15: #include <signal.h>
        !            16:     ]])
        !            17: ])
        !            18: 
        !            19: AC_DEFUN([gl_SIGNAL_MODULE_INDICATOR],
        !            20: [
        !            21:   dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
        !            22:   AC_REQUIRE([gl_SIGNAL_H_DEFAULTS])
        !            23:   GNULIB_[]m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./-],[ABCDEFGHIJKLMNOPQRSTUVWXYZ___])=1
        !            24: ])
        !            25: 
        !            26: AC_DEFUN([gl_SIGNAL_H_DEFAULTS],
        !            27: [
        !            28:   GNULIB_SIGNAL_H_SIGPIPE=0;   AC_SUBST([GNULIB_SIGNAL_H_SIGPIPE])
        !            29:   GNULIB_SIGPROCMASK=0;        AC_SUBST([GNULIB_SIGPROCMASK])
        !            30:   GNULIB_SIGACTION=0;          AC_SUBST([GNULIB_SIGACTION])
        !            31:   dnl Assume proper GNU behavior unless another module says otherwise.
        !            32:   HAVE_POSIX_SIGNALBLOCKING=1; AC_SUBST([HAVE_POSIX_SIGNALBLOCKING])
        !            33:   HAVE_SIGSET_T=1;             AC_SUBST([HAVE_SIGSET_T])
        !            34:   HAVE_SIGINFO_T=1;            AC_SUBST([HAVE_SIGINFO_T])
        !            35:   HAVE_SIGACTION=1;            AC_SUBST([HAVE_SIGACTION])
        !            36:   HAVE_STRUCT_SIGACTION_SA_SIGACTION=1;
        !            37:                                AC_SUBST([HAVE_STRUCT_SIGACTION_SA_SIGACTION])
        !            38:   HAVE_TYPE_VOLATILE_SIG_ATOMIC_T=1;
        !            39:                                AC_SUBST([HAVE_TYPE_VOLATILE_SIG_ATOMIC_T])
        !            40: ])