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

1.1       misho       1: # serial 13
                      2: # Configure fcntl.h.
                      3: dnl Copyright (C) 2006-2007, 2009-2011 Free Software Foundation, Inc.
                      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: 
                     16:   dnl Check for declarations of anything we want to poison if the
                     17:   dnl corresponding gnulib module is not in use, if it is not common
                     18:   dnl enough to be declared everywhere.
                     19:   gl_WARN_ON_USE_PREPARE([[#include <fcntl.h>
                     20:     ]], [fcntl openat])
                     21: ])
                     22: 
                     23: AC_DEFUN([gl_FCNTL_MODULE_INDICATOR],
                     24: [
                     25:   dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
                     26:   AC_REQUIRE([gl_FCNTL_H_DEFAULTS])
                     27:   gl_MODULE_INDICATOR_SET_VARIABLE([$1])
                     28:   dnl Define it also as a C macro, for the benefit of the unit tests.
                     29:   gl_MODULE_INDICATOR_FOR_TESTS([$1])
                     30: ])
                     31: 
                     32: AC_DEFUN([gl_FCNTL_H_DEFAULTS],
                     33: [
                     34:   GNULIB_FCNTL=0;        AC_SUBST([GNULIB_FCNTL])
                     35:   GNULIB_NONBLOCKING=0;  AC_SUBST([GNULIB_NONBLOCKING])
                     36:   GNULIB_OPEN=0;         AC_SUBST([GNULIB_OPEN])
                     37:   GNULIB_OPENAT=0;       AC_SUBST([GNULIB_OPENAT])
                     38:   dnl Assume proper GNU behavior unless another module says otherwise.
                     39:   HAVE_FCNTL=1;          AC_SUBST([HAVE_FCNTL])
                     40:   HAVE_OPENAT=1;         AC_SUBST([HAVE_OPENAT])
                     41:   REPLACE_FCNTL=0;       AC_SUBST([REPLACE_FCNTL])
                     42:   REPLACE_OPEN=0;        AC_SUBST([REPLACE_OPEN])
                     43:   REPLACE_OPENAT=0;      AC_SUBST([REPLACE_OPENAT])
                     44: ])