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Annotation of embedaddon/libiconv/srcm4/signal_h.m4, revision 1.1.1.1

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: ])