projects / bison.git / blame
| Commit | Line | Data |
|---|---|---|
| c0acc0f5 PE |
1 | #serial 7 |
| 2 | ||
| 3 | dnl autoconf tests required for use of mbswidth.c | |
| 4 | dnl From Bruno Haible. | |
| 5 | ||
| 6 | AC_DEFUN([jm_PREREQ_MBSWIDTH], | |
| 7 | [ | |
| 8 | AC_REQUIRE([AC_HEADER_STDC]) | |
| 9 | AC_CHECK_HEADERS(limits.h stdlib.h string.h wchar.h wctype.h) | |
| 10 | AC_CHECK_FUNCS(isascii iswcntrl iswprint mbsinit wcwidth) | |
| 11 | jm_FUNC_MBRTOWC | |
| 12 | ||
| 13 | AC_CACHE_CHECK([whether wcwidth is declared], ac_cv_have_decl_wcwidth, | |
| 14 | [AC_TRY_COMPILE([ | |
| 15 | /* AIX 3.2.5 declares wcwidth in <string.h>. */ | |
| 16 | #if HAVE_STRING_H | |
| 17 | # include <string.h> | |
| 18 | #endif | |
| 19 | #if HAVE_WCHAR_H | |
| 20 | # include <wchar.h> | |
| 21 | #endif | |
| 22 | ], [ | |
| 23 | #ifndef wcwidth | |
| 24 | char *p = (char *) wcwidth; | |
| 25 | #endif | |
| 26 | ], ac_cv_have_decl_wcwidth=yes, ac_cv_have_decl_wcwidth=no)]) | |
| 27 | if test $ac_cv_have_decl_wcwidth = yes; then | |
| 28 | ac_val=1 | |
| 29 | else | |
| 30 | ac_val=0 | |
| 31 | fi | |
| 32 | AC_DEFINE_UNQUOTED(HAVE_DECL_WCWIDTH, $ac_val, | |
| 33 | [Define to 1 if you have the declaration of wcwidth(), and to 0 otherwise.]) | |
| 34 | ||
| 35 | AC_TYPE_MBSTATE_T | |
| 36 | ]) |