view m4/iconv_h.m4 @ 16768:cd4aba7fcd3e

New module 'ilogbl'. * lib/math.in.h (ilogbl): New declaration. * lib/ilogbl.c: New file. * m4/ilogbl.m4: New file. * m4/math_h.m4 (gl_MATH_H): Test whether ilogbl is declared. (gl_MATH_H_DEFAULTS): Initialize GNULIB_ILOGBL, HAVE_ILOGBL. * modules/math (Makefile.am): Substitute GNULIB_ILOGBL, HAVE_ILOGBL. Split sed invocation, to avoid the limit of 100 substitutions of HP-UX 'sed'. * modules/ilogbl: New file. * tests/test-math-c++.cc: Check the declaration of ilogbl. * doc/posix-functions/ilogbl.texi: Mention the new module.
author Bruno Haible <bruno@clisp.org>
date Tue, 03 Apr 2012 21:58:52 +0200
parents 8250f2777afc
children e542fd46ad6f
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# iconv_h.m4 serial 8
dnl Copyright (C) 2007-2012 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 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],
[
  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])
  AM_CONDITIONAL([GL_GENERATE_ICONV_H], [test -n "$ICONV_H"])
])