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diff m4/math_h.m4 @ 16606:c65f617394a7

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expm1l: Don't override undeclared system function on IRIX 6.5. * lib/math.in.h (expm1l): Test HAVE_DECL_EXPM1L, not HAVE_EXPM1L. * m4/expm1l.m4 (gl_FUNC_EXPM1L): Don't assume expm1l() is declared when it exists. Set HAVE_DECL_EXPM1L. * m4/math_h.m4 (gl_MATH_H_DEFAULTS): Initialize HAVE_DECL_EXPM1L, not HAVE_EXPM1L. * modules/math (Makefile.am): Substitute HAVE_DECL_EXPM1L, not HAVE_EXPM1L. * doc/posix-functions/expm1l.texi: Mention missing declaration problem.
author Bruno Haible <bruno@clisp.org>
date Thu, 08 Mar 2012 04:01:51 +0100 (2012-03-08)
parents 65abd231dc80
children 2f2ef742aa4b
line wrap: on
line diff
--- a/m4/math_h.m4
+++ b/m4/math_h.m4
@@ -1,4 +1,4 @@
-# math_h.m4 serial 87
+# math_h.m4 serial 88
 dnl Copyright (C) 2007-2012 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -159,7 +159,6 @@
   HAVE_EXPL=1;                 AC_SUBST([HAVE_EXPL])
   HAVE_EXPM1=1;                AC_SUBST([HAVE_EXPM1])
   HAVE_EXPM1F=1;               AC_SUBST([HAVE_EXPM1F])
-  HAVE_EXPM1L=1;               AC_SUBST([HAVE_EXPM1L])
   HAVE_FABSF=1;                AC_SUBST([HAVE_FABSF])
   HAVE_FABSL=1;                AC_SUBST([HAVE_FABSL])
   HAVE_FMA=1;                  AC_SUBST([HAVE_FMA])
@@ -203,6 +202,7 @@
   HAVE_DECL_COPYSIGNF=1;       AC_SUBST([HAVE_DECL_COPYSIGNF])
   HAVE_DECL_COSL=1;            AC_SUBST([HAVE_DECL_COSL])
   HAVE_DECL_EXPL=1;            AC_SUBST([HAVE_DECL_EXPL])
+  HAVE_DECL_EXPM1L=1;          AC_SUBST([HAVE_DECL_EXPM1L])
   HAVE_DECL_FLOORF=1;          AC_SUBST([HAVE_DECL_FLOORF])
   HAVE_DECL_FLOORL=1;          AC_SUBST([HAVE_DECL_FLOORL])
   HAVE_DECL_FREXPL=1;          AC_SUBST([HAVE_DECL_FREXPL])