ref: 2d333b4de61bc89e9936db12b321f73ed81e625b
parent: ecefde3d4a616b88c89066570f5bd97fdb437c0f
author: David Schleef <[email protected]>
date: Sat Jan 1 14:47:50 EST 2011
Use more standard test for lrintf/lrint
--- a/acinclude.m4
+++ /dev/null
@@ -1,44 +1,0 @@
-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 $ac_cv_c99_lrintf = yes; then
- AC_DEFINE(HAVE_LRINTF, 1,
- [Define if you have C99's lrintf function.])
-fi
-])# AC_C99_LRINTF
-
-AC_DEFUN([AC_C99_FUNC_LRINT],
-[AC_CACHE_CHECK(for lrint,
- ac_cv_c99_lrint,
-[AC_TRY_COMPILE([
-#define _ISOC9X_SOURCE 1
-#define _ISOC99_SOURCE 1
-#define __USE_ISOC99 1
-#define __USE_ISOC9X 1
-#include <math.h>],
-[ int value = lrint (0.432) ; ], ac_cv_c99_lrint=yes, ac_cv_c99_lrint=no)])
-if test $ac_cv_c99_lrint = yes; then
- AC_DEFINE(HAVE_LRINT, 1,
- [Define if you have C99's lrint function.])
-fi
-])# AC_C99_LRINT
-
--- a/configure.ac
+++ b/configure.ac
@@ -165,8 +165,8 @@
CFLAGS="$CFLAGS -W -Wstrict-prototypes -Wall -Wextra -Wcast-align -Wnested-externs -Wshadow -Wno-parentheses -Wno-unused-parameter -Wno-sign-compare"
fi
-AC_C99_FUNC_LRINTF
-AC_C99_FUNC_LRINT
+AC_CHECK_FUNCS([lrintf])
+AC_CHECK_FUNCS([lrint])
AC_CHECK_SIZEOF(short)
AC_CHECK_SIZEOF(int)
@@ -212,7 +212,7 @@
Compiler support:
C99 var arrays: ................ ${has_var_arrays}- C99 lrintf: .................... ${ac_cv_c99_lrintf}+ C99 lrintf: .................... ${ac_cv_func_lrintf} Alloca: ........................ ${has_alloca}General configuration: