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Locate and position the current Audacity source code, and clear a variety of old junk out of the way into junk-branches

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ra
2010-01-23 19:44:49 +00:00
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m4/ac_c99_func_lrintf.m4 Normal file
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dnl @synopsis AC_C99_FUNC_LRINTF
dnl
dnl Check whether C99's lrintf function is available.
dnl @version 1.1
dnl @author Erik de Castro Lopo <erikd AT mega-nerd DOT com>
dnl
dnl Permission to use, copy, modify, distribute, and sell this file for any
dnl purpose is hereby granted without fee, provided that the above copyright
dnl and this permission notice appear in all copies. No representations are
dnl made about the suitability of this software for any purpose. It is
dnl provided "as is" without express or implied warranty.
dnl
AC_DEFUN([AC_C99_FUNC_LRINTF],
[AC_CACHE_CHECK(for lrintf,
ac_cv_c99_lrintf,
[AC_TRY_COMPILE([
#define _ISOC9X_SOURCE 1
#define _ISOC99_SOURCE 1
#define __USE_ISOC99 1
#define __USE_ISOC9X 1
#include <math.h>],
[ int value = lrintf (0.432) ; ], ac_cv_c99_lrintf=yes, ac_cv_c99_lrintf=no)])
if test "x$ac_cv_c99_lrintf" = "xyes"; then
AC_DEFINE(HAVE_LRINTF, 1,
[Define if you have C99's lrintf function.])
fi
])# AC_C99_LRINTF