m4/iconv_h.m4

   1 # iconv_h.m4 serial 6
   2 dnl Copyright (C) 2007-2010 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_ICONV_H],
   8 [
   9   AC_REQUIRE([gl_ICONV_H_DEFAULTS])
  10
  11   dnl Execute this unconditionally, because ICONV_H may be set by other
  12   dnl modules, after this code is executed.
  13   gl_CHECK_NEXT_HEADERS([iconv.h])
  14 ])
  15
  16 dnl Unconditionally enables the replacement of <iconv.h>.
  17 AC_DEFUN([gl_REPLACE_ICONV_H],
  18 [
  19   AC_REQUIRE([gl_ICONV_H_DEFAULTS])
  20   ICONV_H='iconv.h'
  21 ])
  22
  23 AC_DEFUN([gl_ICONV_MODULE_INDICATOR],
  24 [
  25   dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
  26   AC_REQUIRE([gl_ICONV_H_DEFAULTS])
  27   gl_MODULE_INDICATOR_SET_VARIABLE([$1])
  28 ])
  29
  30 AC_DEFUN([gl_ICONV_H_DEFAULTS],
  31 [
  32   dnl Assume proper GNU behavior unless another module says otherwise.
  33   REPLACE_ICONV=0;      AC_SUBST([REPLACE_ICONV])
  34   REPLACE_ICONV_OPEN=0; AC_SUBST([REPLACE_ICONV_OPEN])
  35   REPLACE_ICONV_UTF=0;  AC_SUBST([REPLACE_ICONV_UTF])
  36   ICONV_H='';           AC_SUBST([ICONV_H])
  37 ])