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Annotation of embedaddon/libiconv/srcm4/fcntl_h.m4, revision 1.1.1.2

1.1.1.2 ! misho       1: # serial 15
1.1       misho       2: # Configure fcntl.h.
1.1.1.2 ! misho       3: dnl Copyright (C) 2006-2007, 2009-2019 Free Software Foundation, Inc.
1.1       misho       4: dnl This file is free software; the Free Software Foundation
                      5: dnl gives unlimited permission to copy and/or distribute it,
                      6: dnl with or without modifications, as long as this notice is preserved.
                      7: 
                      8: dnl Written by Paul Eggert.
                      9: 
                     10: AC_DEFUN([gl_FCNTL_H],
                     11: [
                     12:   AC_REQUIRE([gl_FCNTL_H_DEFAULTS])
                     13:   AC_REQUIRE([gl_FCNTL_O_FLAGS])
                     14:   gl_NEXT_HEADERS([fcntl.h])
                     15: 
1.1.1.2 ! misho      16:   dnl Ensure the type pid_t gets defined.
        !            17:   AC_REQUIRE([AC_TYPE_PID_T])
        !            18: 
        !            19:   dnl Ensure the type mode_t gets defined.
        !            20:   AC_REQUIRE([AC_TYPE_MODE_T])
        !            21: 
1.1       misho      22:   dnl Check for declarations of anything we want to poison if the
                     23:   dnl corresponding gnulib module is not in use, if it is not common
                     24:   dnl enough to be declared everywhere.
                     25:   gl_WARN_ON_USE_PREPARE([[#include <fcntl.h>
                     26:     ]], [fcntl openat])
                     27: ])
                     28: 
                     29: AC_DEFUN([gl_FCNTL_MODULE_INDICATOR],
                     30: [
                     31:   dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
                     32:   AC_REQUIRE([gl_FCNTL_H_DEFAULTS])
                     33:   gl_MODULE_INDICATOR_SET_VARIABLE([$1])
                     34:   dnl Define it also as a C macro, for the benefit of the unit tests.
                     35:   gl_MODULE_INDICATOR_FOR_TESTS([$1])
                     36: ])
                     37: 
                     38: AC_DEFUN([gl_FCNTL_H_DEFAULTS],
                     39: [
                     40:   GNULIB_FCNTL=0;        AC_SUBST([GNULIB_FCNTL])
                     41:   GNULIB_NONBLOCKING=0;  AC_SUBST([GNULIB_NONBLOCKING])
                     42:   GNULIB_OPEN=0;         AC_SUBST([GNULIB_OPEN])
                     43:   GNULIB_OPENAT=0;       AC_SUBST([GNULIB_OPENAT])
                     44:   dnl Assume proper GNU behavior unless another module says otherwise.
                     45:   HAVE_FCNTL=1;          AC_SUBST([HAVE_FCNTL])
                     46:   HAVE_OPENAT=1;         AC_SUBST([HAVE_OPENAT])
                     47:   REPLACE_FCNTL=0;       AC_SUBST([REPLACE_FCNTL])
                     48:   REPLACE_OPEN=0;        AC_SUBST([REPLACE_OPEN])
                     49:   REPLACE_OPENAT=0;      AC_SUBST([REPLACE_OPENAT])
                     50: ])