Mercurial > hg > octave-lyh > gnulib-hg
changeset 16396:fd53e49c3d9c
logl: Provide function definition on MSVC.
* m4/logl.m4 (gl_FUNC_LOGL): Test also whether logl can be used as a
function pointer.
* lib/math.in.h (logl): Undefine if it does not exist as a function.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Sat, 25 Feb 2012 01:27:00 +0100 |
parents | 68bd0cc2f6dd |
children | 3dd8fb89c3a4 |
files | ChangeLog lib/math.in.h m4/logl.m4 |
diffstat | 3 files changed, 15 insertions(+), 3 deletions(-) [+] |
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--- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,10 @@ +2012-02-24 Bruno Haible <bruno@clisp.org> + + logl: Provide function definition on MSVC. + * m4/logl.m4 (gl_FUNC_LOGL): Test also whether logl can be used as a + function pointer. + * lib/math.in.h (logl): Undefine if it does not exist as a function. + 2012-02-24 Bruno Haible <bruno@clisp.org> expl: Provide function definition on MSVC.
--- a/lib/math.in.h +++ b/lib/math.in.h @@ -768,6 +768,7 @@ #if @GNULIB_LOGL@ # if !@HAVE_LOGL@ || !@HAVE_DECL_LOGL@ +# undef logl _GL_FUNCDECL_SYS (logl, long double, (long double x)); # endif _GL_CXXALIAS_SYS (logl, long double, (long double x));
--- a/m4/logl.m4 +++ b/m4/logl.m4 @@ -1,4 +1,4 @@ -# logl.m4 serial 6 +# logl.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 @@ # define __NO_MATH_INLINES 1 /* for glibc */ #endif #include <math.h> + long double (*funcptr) (long double) = logl; long double x;]], - [[return logl (x) > 1;]])], + [[return funcptr (x) > 1 + || logl (x) > 1;]])], [gl_cv_func_logl_no_libm=yes], [gl_cv_func_logl_no_libm=no]) ]) @@ -39,8 +41,10 @@ # define __NO_MATH_INLINES 1 /* for glibc */ #endif #include <math.h> + long double (*funcptr) (long double) = logl; long double x;]], - [[return logl (x) > 1;]])], + [[return funcptr (x) > 1 + || logl (x) > 1;]])], [gl_cv_func_logl_in_libm=yes], [gl_cv_func_logl_in_libm=no]) LIBS="$save_LIBS"