Re: gettext 0.14.1 fails to build on HP-UX with HP C compiler

[Bruno Haible]

Albert Chin-A-Young wrote:
> While building gettext-0.14.1 on HP-UX 10.20 and 11.x with the HP C
> compiler:
>   ...
> cc: "../../gettext-tools/lib/allocsa.h", line 96: error 1509:
> Enumeration value must be constant.

It's a HP-UX cc bug; please use the appended patch as workaround.

> HP's C compiler doesn't like reusing an enum constant while defining
> the enum.

That's what I thought initially too, but actually the bug is not about
reusing an enum constant while defining an enum. It's about enum constants
defined as offsetof values. See
http://mail.gnu.org/archive/html/bug-gnu-utils/2004-02/msg00031.html
for details.

Bruno


*** gettext-tools/lib/allocsa.h 19 Dec 2003 11:25:19 -0000      1.1
--- gettext-tools/lib/allocsa.h 6 Feb 2004 21:09:50 -0000       1.2
***************
*** 1,5 ****
  /* Safe automatic memory allocation.
!    Copyright (C) 2003 Free Software Foundation, Inc.
     Written by Bruno Haible <address@hidden>, 2003.
  
     This program is free software; you can redistribute it and/or modify
--- 1,5 ----
  /* Safe automatic memory allocation.
!    Copyright (C) 2003-2004 Free Software Foundation, Inc.
     Written by Bruno Haible <address@hidden>, 2003.
  
     This program is free software; you can redistribute it and/or modify
***************
*** 77,82 ****
--- 77,86 ----
  #elif defined __cplusplus
    template <class type> struct sa_alignof_helper { char __slot1; type 
__slot2; };
  # define sa_alignof(type) offsetof (sa_alignof_helper<type>, __slot2)
+ #elif defined __hpux
+   /* Work around a HP-UX 10.20 cc bug with enums constants defined as offsetof
+      values.  */
+ # define sa_alignof(type) (sizeof (type) <= 4 ? 4 : 8)
  #else
  # define sa_alignof(type) offsetof (struct { char __slot1; type __slot2; }, 
__slot2)
  #endif