projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| 8690e634 | 1 | # mbsinit.m4 serial 8 |
| c0c3707f | 2 | dnl Copyright (C) 2008, 2010-2019 Free Software Foundation, Inc. |
| 8690e634 JK |
3 | dnl This file is free software; the Free Software Foundation |
| 4 | dnl gives unlimited permission to copy and/or distribute it, | |
| 5 | dnl with or without modifications, as long as this notice is preserved. | |
| 6 | ||
| 7 | AC_DEFUN([gl_FUNC_MBSINIT], | |
| 8 | [ | |
| 9 | AC_REQUIRE([gl_WCHAR_H_DEFAULTS]) | |
| 10 | AC_REQUIRE([AC_CANONICAL_HOST]) | |
| 11 | ||
| 12 | AC_REQUIRE([AC_TYPE_MBSTATE_T]) | |
| 13 | gl_MBSTATE_T_BROKEN | |
| 14 | ||
| 15 | AC_CHECK_FUNCS_ONCE([mbsinit]) | |
| 16 | if test $ac_cv_func_mbsinit = no; then | |
| 17 | HAVE_MBSINIT=0 | |
| 18 | AC_CHECK_DECLS([mbsinit],,, [[ | |
| 19 | /* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before | |
| 20 | <wchar.h>. | |
| 21 | BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be | |
| 22 | included before <wchar.h>. */ | |
| 23 | #include <stddef.h> | |
| 24 | #include <stdio.h> | |
| 25 | #include <time.h> | |
| 26 | #include <wchar.h> | |
| 27 | ]]) | |
| 28 | if test $ac_cv_have_decl_mbsinit = yes; then | |
| 29 | dnl On Minix 3.1.8, the system's <wchar.h> declares mbsinit() although | |
| 30 | dnl it does not have the function. Avoid a collision with gnulib's | |
| 31 | dnl replacement. | |
| 32 | REPLACE_MBSINIT=1 | |
| 33 | fi | |
| 34 | else | |
| 35 | if test $REPLACE_MBSTATE_T = 1; then | |
| 36 | REPLACE_MBSINIT=1 | |
| 37 | else | |
| 38 | dnl On mingw, mbsinit() always returns 1, which is inappropriate for | |
| 39 | dnl states produced by mbrtowc() for an incomplete multibyte character | |
| 40 | dnl in multibyte locales. | |
| 41 | case "$host_os" in | |
| 42 | mingw*) REPLACE_MBSINIT=1 ;; | |
| 43 | esac | |
| 44 | fi | |
| 45 | fi | |
| 46 | ]) | |
| 47 | ||
| 48 | # Prerequisites of lib/mbsinit.c. | |
| 49 | AC_DEFUN([gl_PREREQ_MBSINIT], [ | |
| 50 | : | |
| 51 | ]) |