From e7f0d355e92f265c4d1d3e08f0ad0b8d433d1cf9 Mon Sep 17 00:00:00 2001 From: Bruno Haible Date: Sat, 25 Feb 2012 01:42:45 +0100 Subject: [PATCH] acosl: Provide function definition on MSVC. * m4/acosl.m4 (gl_FUNC_ACOSL): Test also whether acosl can be used as a function pointer. * lib/math.in.h (acosl): Undefine if it does not exist as a function. --- ChangeLog | 7 +++++++ lib/math.in.h | 1 + m4/acosl.m4 | 10 +++++++--- 3 files changed, 15 insertions(+), 3 deletions(-) diff --git a/ChangeLog b/ChangeLog index 56a3c8491..fa8ea06b8 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,12 @@ 2012-02-24 Bruno Haible + acosl: Provide function definition on MSVC. + * m4/acosl.m4 (gl_FUNC_ACOSL): Test also whether acosl can be used as a + function pointer. + * lib/math.in.h (acosl): Undefine if it does not exist as a function. + +2012-02-24 Bruno Haible + asinl: Provide function definition on MSVC. * m4/asinl.m4 (gl_FUNC_ASINL): Test also whether asinl can be used as a function pointer. diff --git a/lib/math.in.h b/lib/math.in.h index 89ed4caa7..11688fee8 100644 --- a/lib/math.in.h +++ b/lib/math.in.h @@ -163,6 +163,7 @@ _GL_WARN_ON_USE (acosf, "acosf is unportable - " #if @GNULIB_ACOSL@ # if !@HAVE_ACOSL@ || !@HAVE_DECL_ACOSL@ +# undef acosl _GL_FUNCDECL_SYS (acosl, long double, (long double x)); # endif _GL_CXXALIAS_SYS (acosl, long double, (long double x)); diff --git a/m4/acosl.m4 b/m4/acosl.m4 index e784859c9..d9a89b606 100644 --- a/m4/acosl.m4 +++ b/m4/acosl.m4 @@ -1,4 +1,4 @@ -# acosl.m4 serial 6 +# acosl.m4 serial 7 dnl Copyright (C) 2010-2012 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -22,8 +22,10 @@ AC_DEFUN([gl_FUNC_ACOSL], # define __NO_MATH_INLINES 1 /* for glibc */ #endif #include + long double (*funcptr) (long double) = acosl; long double x;]], - [[return acosl (x) > 1;]])], + [[return funcptr (x) > 1 + || acosl (x) > 1;]])], [gl_cv_func_acosl_no_libm=yes], [gl_cv_func_acosl_no_libm=no]) ]) @@ -39,8 +41,10 @@ AC_DEFUN([gl_FUNC_ACOSL], # define __NO_MATH_INLINES 1 /* for glibc */ #endif #include + long double (*funcptr) (long double) = acosl; long double x;]], - [[return acosl (x) > 1;]])], + [[return funcptr (x) > 1 + || acosl (x) > 1;]])], [gl_cv_func_acosl_in_libm=yes], [gl_cv_func_acosl_in_libm=no]) LIBS="$save_LIBS" -- 2.11.0