Re: __UINT_LEAST8_MAX__ and HP-UX 11.23/IA
Albert Chin <[email protected]>
| Newsgroups | gmane.comp.parsers.bison.bugs |
|---|---|
| Message-ID | <[email protected]> |
On Wed, Jan 20, 2021 at 06:52:37PM -0800, Paul Eggert wrote: > [Resending as the first message had the incorrect "bus-bison" as the return > address.] > > On 1/20/21 3:50 PM, Albert Chin wrote: > > > > Unfortunately, on HP-UX 11.23/IA, UINT_LEAST8_MAX evaluates to > > > ((unsigned char)(255)) causing a problem with: > > > #elif (!defined __UINT_LEAST8_MAX__ && defined YY_STDINT_H \ > > > && UINT_LEAST8_MAX <= INT_MAX) > > > > This is also an issue for UINT_LEAST16_MAX. > That is a known bug in HP-UX 11.23 that Gnulib has had a workaround for > since 2009. See: > > https://git.savannah.gnu.org/cgit/gnulib.git/commit/?id=3a4f1890986aeea9906c261c146bfaab4136a263 > > I suppose Bison cannot assume that Gnulib is in use, unfortunately. > > Does the attached Bison patch fix the problem for you? Yes, it would fix it. We're currently doing something like the attached. -- albert chin ([email protected])
hpux.patch
(text/x-diff, 920 B)
Index: data/skeletons/c.m4 =================================================================== --- data/skeletons/c.m4.orig 2020-11-14 10:49:43.000000000 +0000 +++ data/skeletons/c.m4 2021-01-21 17:45:39.699054963 +0000 @@ -242,6 +242,10 @@ typedef short yytype_int16; #endif +#if defined __hpux && defined UINT_LEAST8_MAX +#undef UINT_LEAST8_MAX +#define UINT_LEAST8_MAX 255 +#endif #if defined __UINT_LEAST8_MAX__ && __UINT_LEAST8_MAX__ <= __INT_MAX__ typedef __UINT_LEAST8_TYPE__ yytype_uint8; #elif (!defined __UINT_LEAST8_MAX__ && defined YY_STDINT_H \ @@ -253,6 +257,10 @@ typedef short yytype_uint8; #endif +#if defined __hpux && defined UINT_LEAST16_MAX +#undef UINT_LEAST16_MAX +#define UINT_LEAST16_MAX 65535 +#endif #if defined __UINT_LEAST16_MAX__ && __UINT_LEAST16_MAX__ <= __INT_MAX__ typedef __UINT_LEAST16_TYPE__ yytype_uint16; #elif (!defined __UINT_LEAST16_MAX__ && defined YY_STDINT_H \