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| author | Bruno Haible <bruno@clisp.org> | 2012-02-25 01:07:19 +0100 |
|---|---|---|
| committer | Bruno Haible <bruno@clisp.org> | 2012-02-25 01:07:19 +0100 |
| commit | ab624c1a8f744419fdb653b77250153a3563203f (patch) | |
| tree | 21260b465c203de62b0cd9fd632f124cbbf6a90f /m4/floorf.m4 | |
| parent | be29134ddd011e6bcf1d73b4ae3d7ee7da60276f (diff) | |
| download | gnulib-ab624c1a8f744419fdb653b77250153a3563203f.tar.gz | |
floorf: Provide function definition on MSVC.
* m4/floorf.m4 (gl_FUNC_FLOORF_LIBS): Test also whether floorf can be
used as a function pointer.
* lib/math.in.h (floorf): Undefine if it is not declared as a function.
Diffstat (limited to 'm4/floorf.m4')
| -rw-r--r-- | m4/floorf.m4 | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/m4/floorf.m4 b/m4/floorf.m4 index 2fca312458..6e792a1ffe 100644 --- a/m4/floorf.m4 +++ b/m4/floorf.m4 @@ -1,4 +1,4 @@ -# floorf.m4 serial 11 +# floorf.m4 serial 12 dnl Copyright (C) 2007, 2009-2012 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -78,8 +78,9 @@ AC_DEFUN([gl_FUNC_FLOORF_LIBS], # define __NO_MATH_INLINES 1 /* for glibc */ #endif #include <math.h> + float (*funcptr) (float) = floorf; float x;]], - [[x = floorf(x);]])], + [[x = funcptr(x) + floorf(x);]])], [gl_cv_func_floorf_libm=]) if test "$gl_cv_func_floorf_libm" = "?"; then save_LIBS="$LIBS" @@ -90,8 +91,9 @@ AC_DEFUN([gl_FUNC_FLOORF_LIBS], # define __NO_MATH_INLINES 1 /* for glibc */ #endif #include <math.h> + float (*funcptr) (float) = floorf; float x;]], - [[x = floorf(x);]])], + [[x = funcptr(x) + floorf(x);]])], [gl_cv_func_floorf_libm="-lm"]) LIBS="$save_LIBS" fi |