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# iconv_h.m4 serial 12
dnl Copyright (C) 2007-2020 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
AC_DEFUN([gl_ICONV_H],
[
AC_REQUIRE([gl_ICONV_H_DEFAULTS])
dnl Execute this unconditionally, because ICONV_H may be set by other
dnl modules, after this code is executed.
gl_CHECK_NEXT_HEADERS([iconv.h])
dnl Check for declarations of anything we want to poison if the
dnl corresponding gnulib module is not in use, and which is not
dnl guaranteed by C89.
gl_WARN_ON_USE_PREPARE([[#include <iconv.h>
]], [iconv iconv_open])
AC_REQUIRE([AC_C_RESTRICT])
])
dnl Unconditionally enables the replacement of <iconv.h>.
AC_DEFUN([gl_REPLACE_ICONV_H],
[
AC_REQUIRE([gl_ICONV_H_DEFAULTS])
ICONV_H='iconv.h'
AM_CONDITIONAL([GL_GENERATE_ICONV_H], [test -n "$ICONV_H"])
])
AC_DEFUN([gl_ICONV_MODULE_INDICATOR],
[
dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
AC_REQUIRE([gl_ICONV_H_DEFAULTS])
gl_MODULE_INDICATOR_SET_VARIABLE([$1])
])
AC_DEFUN([gl_ICONV_H_DEFAULTS],
[
m4_ifdef([gl_ANSI_CXX], [AC_REQUIRE([gl_ANSI_CXX])])
GNULIB_ICONV=0; AC_SUBST([GNULIB_ICONV])
dnl Assume proper GNU behavior unless another module says otherwise.
ICONV_CONST=; AC_SUBST([ICONV_CONST])
REPLACE_ICONV=0; AC_SUBST([REPLACE_ICONV])
REPLACE_ICONV_OPEN=0; AC_SUBST([REPLACE_ICONV_OPEN])
REPLACE_ICONV_UTF=0; AC_SUBST([REPLACE_ICONV_UTF])
ICONV_H=''; AC_SUBST([ICONV_H])
m4_ifdef([gl_POSIXCHECK],
[ICONV_H='iconv.h'],
[if m4_ifdef([gl_ANSI_CXX], [test "$CXX" != no], [false]); then
dnl Override <fnmatch.h> always, to support the C++ GNULIB_NAMESPACE.
ICONV_H='iconv.h'
fi
])
AM_CONDITIONAL([GL_GENERATE_ICONV_H], [test -n "$ICONV_H"])
])
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