Re: new module 'remainderl'

[Bruno Haible]

> 2012-02-25  Bruno Haible  <address@hidden>
> 
>       New module 'remainderl'.
>       * lib/math.in.h (remainderh): New declaration.
>       * lib/remainderl.c: New file.
>       * m4/remainderl.m4: New file.
>       * modules/remainderl: New file.
>       * m4/math_h.m4 (gl_MATH_H): Test whether remainderl is declared.
>       (gl_MATH_H_DEFAULTS): Initialize GNULIB_REMAINDERL, HAVE_REMAINDERL.
>       * modules/math (Makefile.am): Substitute GNULIB_REMAINDERL,
>       HAVE_REMAINDERL.
>       * doc/posix-functions/remainderl.texi: Mention the new module.

This needs a fix on AIX >= 5.2, where remainderl() is defined as a macro.


2012-03-13  Bruno Haible  <address@hidden>

        remainderl: Avoid compilation error on AIX >= 5.2.
        * lib/math.in.h (remainderl): Undefine macro from the system header.

--- lib/math.in.h.orig  Tue Mar 13 23:59:47 2012
+++ lib/math.in.h       Tue Mar 13 23:59:41 2012
@@ -1506,6 +1506,7 @@
 _GL_CXXALIAS_RPL (remainderl, long double, (long double x, long double y));
 # else
 #  if address@hidden@
+#   undef remainderl
 _GL_FUNCDECL_SYS (remainderl, long double, (long double x, long double y));
 #  endif
 _GL_CXXALIAS_SYS (remainderl, long double, (long double x, long double y));