Mercurial > hg > sv-dependency-builds
annotate src/libsamplerate-0.1.9/M4/lrintf.m4 @ 65:a69c1527268d
OSX binaries for Cap'n Proto
| author | Chris Cannam <cannam@all-day-breakfast.com> |
|---|---|
| date | Wed, 05 Jul 2017 09:46:34 +0100 |
| parents | 481f5f8c5634 |
| children |
| rev | line source |
|---|---|
| Chris@41 | 1 dnl @synopsis AC_C99_FUNC_LRINTF |
| Chris@41 | 2 dnl |
| Chris@41 | 3 dnl Check whether C99's lrintf function is available. |
| Chris@41 | 4 dnl @version 1.3 Feb 12 2002 |
| Chris@41 | 5 dnl @author Erik de Castro Lopo <erikd AT mega-nerd DOT com> |
| Chris@41 | 6 dnl |
| Chris@41 | 7 dnl Permission to use, copy, modify, distribute, and sell this file for any |
| Chris@41 | 8 dnl purpose is hereby granted without fee, provided that the above copyright |
| Chris@41 | 9 dnl and this permission notice appear in all copies. No representations are |
| Chris@41 | 10 dnl made about the suitability of this software for any purpose. It is |
| Chris@41 | 11 dnl provided "as is" without express or implied warranty. |
| Chris@41 | 12 dnl |
| Chris@41 | 13 AC_DEFUN([AC_C99_FUNC_LRINTF], |
| Chris@41 | 14 [AC_CACHE_CHECK(for lrintf, |
| Chris@41 | 15 ac_cv_c99_lrintf, |
| Chris@41 | 16 [ |
| Chris@41 | 17 lrintf_save_CFLAGS=$CFLAGS |
| Chris@41 | 18 CFLAGS="-lm" |
| Chris@41 | 19 AC_TRY_LINK([ |
| Chris@41 | 20 #define _ISOC9X_SOURCE 1 |
| Chris@41 | 21 #define _ISOC99_SOURCE 1 |
| Chris@41 | 22 #define __USE_ISOC99 1 |
| Chris@41 | 23 #define __USE_ISOC9X 1 |
| Chris@41 | 24 |
| Chris@41 | 25 #include <math.h> |
| Chris@41 | 26 ], if (!lrintf(3.14159)) lrintf(2.7183);, ac_cv_c99_lrintf=yes, ac_cv_c99_lrintf=no) |
| Chris@41 | 27 |
| Chris@41 | 28 CFLAGS=$lrintf_save_CFLAGS |
| Chris@41 | 29 |
| Chris@41 | 30 ]) |
| Chris@41 | 31 |
| Chris@41 | 32 if test "$ac_cv_c99_lrintf" = yes; then |
| Chris@41 | 33 AC_DEFINE(HAVE_LRINTF, 1, |
| Chris@41 | 34 [Define if you have C99's lrintf function.]) |
| Chris@41 | 35 fi |
| Chris@41 | 36 ])# AC_C99_FUNC_LRINTF |
| Chris@41 | 37 |