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diff m4/math_h.m4 @ 15913:adefeca52f7d

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New module 'copysignl'. * lib/math.in.h (copysignl): New declaration. * lib/copysignl.c: New file. * m4/copysignl.m4: New file. * m4/math_h.m4 (gl_MATH_H): Test whether copysignl is declared. (gl_MATH_H_DEFAULTS): Initialize GNULIB_COPYSIGNL, HAVE_COPYSIGNL. * modules/math (Makefile.am): Substitute GNULIB_COPYSIGNL, HAVE_COPYSIGNL. * modules/copysignl: New file. * tests/test-math-c++.cc: Check the declaration of copysignl. * modules/math-c++-tests (Makefile.am): Link test-math-c++ against $(COPYSIGNL_LIBM). Needed on IRIX 6.5 with cc. * doc/posix-functions/copysignl.texi: Mention the new module.
author Bruno Haible <bruno@clisp.org>
date Sun, 09 Oct 2011 15:53:49 +0200 (2011-10-09)
parents bc21ee3c09aa
children 2a90104cab5b
line wrap: on
line diff
--- a/m4/math_h.m4
+++ b/m4/math_h.m4
@@ -1,4 +1,4 @@
-# math_h.m4 serial 49
+# math_h.m4 serial 50
 dnl Copyright (C) 2007-2011 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -40,7 +40,7 @@
   dnl corresponding gnulib module is not in use.
   gl_WARN_ON_USE_PREPARE([[#include <math.h>]],
     [acosf acosl asinf asinl atanf atanl
-     ceilf ceill copysign copysignf cosf cosl coshf
+     ceilf ceill copysign copysignf copysignl cosf cosl coshf
      expf expl fabsf floorf floorl fmodf frexpf frexpl
      ldexpf ldexpl logb logf logl log10f modff powf
      round roundf roundl sinf sinl sinhf sqrtf sqrtl
@@ -70,6 +70,7 @@
   GNULIB_CEILL=0;     AC_SUBST([GNULIB_CEILL])
   GNULIB_COPYSIGN=0;  AC_SUBST([GNULIB_COPYSIGN])
   GNULIB_COPYSIGNF=0; AC_SUBST([GNULIB_COPYSIGNF])
+  GNULIB_COPYSIGNL=0; AC_SUBST([GNULIB_COPYSIGNL])
   GNULIB_COSF=0;      AC_SUBST([GNULIB_COSF])
   GNULIB_COSL=0;      AC_SUBST([GNULIB_COSL])
   GNULIB_COSHF=0;     AC_SUBST([GNULIB_COSHF])
@@ -122,6 +123,7 @@
   HAVE_ATAN2F=1;               AC_SUBST([HAVE_ATAN2F])
   HAVE_COPYSIGN=1;             AC_SUBST([HAVE_COPYSIGN])
   HAVE_COPYSIGNF=1;            AC_SUBST([HAVE_COPYSIGNF])
+  HAVE_COPYSIGNL=1;            AC_SUBST([HAVE_COPYSIGNL])
   HAVE_COSF=1;                 AC_SUBST([HAVE_COSF])
   HAVE_COSL=1;                 AC_SUBST([HAVE_COSL])
   HAVE_COSHF=1;                AC_SUBST([HAVE_COSHF])