m4/iconv_h.m4

   1 # iconv_h.m4 serial 8
   2 dnl Copyright (C) 2007-2014 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   AM_CONDITIONAL([GL_GENERATE_ICONV_H], [test -n "$ICONV_H"])
  22 ])
  23
  24 AC_DEFUN([gl_ICONV_MODULE_INDICATOR],
  25 [
  26   dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
  27   AC_REQUIRE([gl_ICONV_H_DEFAULTS])
  28   gl_MODULE_INDICATOR_SET_VARIABLE([$1])
  29 ])
  30
  31 AC_DEFUN([gl_ICONV_H_DEFAULTS],
  32 [
  33   GNULIB_ICONV=0;       AC_SUBST([GNULIB_ICONV])
  34   dnl Assume proper GNU behavior unless another module says otherwise.
  35   ICONV_CONST=;         AC_SUBST([ICONV_CONST])
  36   REPLACE_ICONV=0;      AC_SUBST([REPLACE_ICONV])
  37   REPLACE_ICONV_OPEN=0; AC_SUBST([REPLACE_ICONV_OPEN])
  38   REPLACE_ICONV_UTF=0;  AC_SUBST([REPLACE_ICONV_UTF])
  39   ICONV_H='';           AC_SUBST([ICONV_H])
  40   AM_CONDITIONAL([GL_GENERATE_ICONV_H], [test -n "$ICONV_H"])
  41 ])