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c: port to HP-UX 11.23

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Problem reported by Albert Chin in:
https://lists.gnu.org/r/bug-bison/2021-01/msg00029.html
* data/skeletons/c.m4 (b4_c99_int_type_define):
Work around HP-UX bug.
This commit is contained in:
Paul Eggert
2021-01-20 18:30:16 -08:00
parent 0364dbacbf
commit 8358090292
2 changed files with 15 additions and 0 deletions
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3
NEWS
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@@ -2,6 +2,9 @@ GNU Bison NEWS
* Noteworthy changes in release ?.? (????-??-??) [?] * Noteworthy changes in release ?.? (????-??-??) [?]
** Bug fixes
*** C-language parsers now work around quirks of HP-UX 11.23 (2003).
* Noteworthy changes in release 3.7.4 (2020-11-14) [stable] * Noteworthy changes in release 3.7.4 (2020-11-14) [stable]

12
data/skeletons/c.m4
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@@ -242,6 +242,18 @@ typedef int_least16_t yytype_int16;
typedef short yytype_int16; typedef short yytype_int16;
#endif #endif
/* Work around bug in HP-UX 11.23, which defines these macros
incorrectly for preprocessor constants. This workaround can likely
be removed in 2023, as HPE has promised support for HP-UX 11.23
(aka HP-UX 11i v2) only through the end of 2022; see Table 2 of
<https://h20195.www2.hpe.com/V2/getpdf.aspx/4AA4-7673ENW.pdf>. */
#ifdef __hpux
# undef UINT_LEAST8_MAX
# undef UINT_LEAST16_MAX
# define UINT_LEAST8_MAX 255
# define UINT_LEAST16_MAX 65535
#endif
#if defined __UINT_LEAST8_MAX__ && __UINT_LEAST8_MAX__ <= __INT_MAX__ #if defined __UINT_LEAST8_MAX__ && __UINT_LEAST8_MAX__ <= __INT_MAX__
typedef __UINT_LEAST8_TYPE__ yytype_uint8; typedef __UINT_LEAST8_TYPE__ yytype_uint8;
#elif (!defined __UINT_LEAST8_MAX__ && defined YY_STDINT_H \ #elif (!defined __UINT_LEAST8_MAX__ && defined YY_STDINT_H \