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dnl @synopsis AC_C99_FUNC_LRINTF |
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dnl |
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dnl Check whether C99's lrintf function is available. |
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dnl @version 1.3 Feb 12 2002 |
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dnl @author Erik de Castro Lopo <erikd AT mega-nerd DOT com> |
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dnl |
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dnl Permission to use, copy, modify, distribute, and sell this file for any |
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dnl purpose is hereby granted without fee, provided that the above copyright |
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dnl and this permission notice appear in all copies. No representations are |
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dnl made about the suitability of this software for any purpose. It is |
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dnl provided "as is" without express or implied warranty. |
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dnl |
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AC_DEFUN([AC_C99_FUNC_LRINTF], |
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[AC_CACHE_CHECK(for lrintf, |
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ac_cv_c99_lrintf, |
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[ |
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lrintf_save_CFLAGS=$CFLAGS |
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CFLAGS="-O -lm" |
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AC_TRY_LINK([ |
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#define _ISOC9X_SOURCE 1 |
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#define _ISOC99_SOURCE 1 |
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#define __USE_ISOC99 1 |
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#define __USE_ISOC9X 1 |
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#include <math.h> |
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], if (!lrintf(3.14159)) lrintf(2.7183);, ac_cv_c99_lrintf=yes, ac_cv_c99_lrintf=no) |
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CFLAGS=$lrintf_save_CFLAGS |
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]) |
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if test "$ac_cv_c99_lrintf" = yes; then |
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AC_DEFINE(HAVE_LRINTF, 1, |
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[Define if you have C99's lrintf function.]) |
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fi |
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])# AC_C99_FUNC_LRINTF |
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AC_C99_FUNC_LRINTF |
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MY_CHECK_TYPEDEF_FROM_INCLUDE([float32_t temp], |
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MY_CHECK_TYPEDEF_FROM_INCLUDE([float32_t temp], |
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[#include <sys/types.h>, |
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[#include <sys/types.h>, |
