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Diffstat (limited to 'gl/m4/iconv.m4')
-rw-r--r-- | gl/m4/iconv.m4 | 293 |
1 files changed, 0 insertions, 293 deletions
diff --git a/gl/m4/iconv.m4 b/gl/m4/iconv.m4 deleted file mode 100644 index ff5d526..0000000 --- a/gl/m4/iconv.m4 +++ /dev/null | |||
@@ -1,293 +0,0 @@ | |||
1 | # iconv.m4 serial 26 | ||
2 | dnl Copyright (C) 2000-2002, 2007-2014, 2016-2023 Free Software Foundation, | ||
3 | dnl Inc. | ||
4 | dnl This file is free software; the Free Software Foundation | ||
5 | dnl gives unlimited permission to copy and/or distribute it, | ||
6 | dnl with or without modifications, as long as this notice is preserved. | ||
7 | |||
8 | dnl From Bruno Haible. | ||
9 | |||
10 | AC_PREREQ([2.64]) | ||
11 | |||
12 | dnl Note: AM_ICONV is documented in the GNU gettext manual | ||
13 | dnl <https://www.gnu.org/software/gettext/manual/html_node/AM_005fICONV.html>. | ||
14 | dnl Don't make changes that are incompatible with that documentation! | ||
15 | |||
16 | AC_DEFUN([AM_ICONV_LINKFLAGS_BODY], | ||
17 | [ | ||
18 | dnl Prerequisites of AC_LIB_LINKFLAGS_BODY. | ||
19 | AC_REQUIRE([AC_LIB_PREPARE_PREFIX]) | ||
20 | AC_REQUIRE([AC_LIB_RPATH]) | ||
21 | |||
22 | dnl Search for libiconv and define LIBICONV, LTLIBICONV and INCICONV | ||
23 | dnl accordingly. | ||
24 | AC_LIB_LINKFLAGS_BODY([iconv]) | ||
25 | ]) | ||
26 | |||
27 | AC_DEFUN([AM_ICONV_LINK], | ||
28 | [ | ||
29 | dnl Some systems have iconv in libc, some have it in libiconv (OSF/1 and | ||
30 | dnl those with the standalone portable GNU libiconv installed). | ||
31 | AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles | ||
32 | |||
33 | dnl Search for libiconv and define LIBICONV, LTLIBICONV and INCICONV | ||
34 | dnl accordingly. | ||
35 | AC_REQUIRE([AM_ICONV_LINKFLAGS_BODY]) | ||
36 | |||
37 | dnl Add $INCICONV to CPPFLAGS before performing the following checks, | ||
38 | dnl because if the user has installed libiconv and not disabled its use | ||
39 | dnl via --without-libiconv-prefix, he wants to use it. The first | ||
40 | dnl AC_LINK_IFELSE will then fail, the second AC_LINK_IFELSE will succeed. | ||
41 | am_save_CPPFLAGS="$CPPFLAGS" | ||
42 | AC_LIB_APPENDTOVAR([CPPFLAGS], [$INCICONV]) | ||
43 | |||
44 | AC_CACHE_CHECK([for iconv], [am_cv_func_iconv], [ | ||
45 | am_cv_func_iconv="no, consider installing GNU libiconv" | ||
46 | am_cv_lib_iconv=no | ||
47 | AC_LINK_IFELSE( | ||
48 | [AC_LANG_PROGRAM( | ||
49 | [[ | ||
50 | #include <stdlib.h> | ||
51 | #include <iconv.h> | ||
52 | ]], | ||
53 | [[iconv_t cd = iconv_open("",""); | ||
54 | iconv(cd,NULL,NULL,NULL,NULL); | ||
55 | iconv_close(cd);]])], | ||
56 | [am_cv_func_iconv=yes]) | ||
57 | if test "$am_cv_func_iconv" != yes; then | ||
58 | am_save_LIBS="$LIBS" | ||
59 | LIBS="$LIBS $LIBICONV" | ||
60 | AC_LINK_IFELSE( | ||
61 | [AC_LANG_PROGRAM( | ||
62 | [[ | ||
63 | #include <stdlib.h> | ||
64 | #include <iconv.h> | ||
65 | ]], | ||
66 | [[iconv_t cd = iconv_open("",""); | ||
67 | iconv(cd,NULL,NULL,NULL,NULL); | ||
68 | iconv_close(cd);]])], | ||
69 | [am_cv_lib_iconv=yes] | ||
70 | [am_cv_func_iconv=yes]) | ||
71 | LIBS="$am_save_LIBS" | ||
72 | fi | ||
73 | ]) | ||
74 | if test "$am_cv_func_iconv" = yes; then | ||
75 | AC_CACHE_CHECK([for working iconv], [am_cv_func_iconv_works], [ | ||
76 | dnl This tests against bugs in AIX 5.1, AIX 6.1..7.1, HP-UX 11.11, | ||
77 | dnl Solaris 10. | ||
78 | am_save_LIBS="$LIBS" | ||
79 | if test $am_cv_lib_iconv = yes; then | ||
80 | LIBS="$LIBS $LIBICONV" | ||
81 | fi | ||
82 | am_cv_func_iconv_works=no | ||
83 | for ac_iconv_const in '' 'const'; do | ||
84 | AC_RUN_IFELSE( | ||
85 | [AC_LANG_PROGRAM( | ||
86 | [[ | ||
87 | #include <iconv.h> | ||
88 | #include <string.h> | ||
89 | |||
90 | #ifndef ICONV_CONST | ||
91 | # define ICONV_CONST $ac_iconv_const | ||
92 | #endif | ||
93 | ]], | ||
94 | [[int result = 0; | ||
95 | /* Test against AIX 5.1...7.2 bug: Failures are not distinguishable from | ||
96 | successful returns. This is even documented in | ||
97 | <https://www.ibm.com/support/knowledgecenter/ssw_aix_72/i_bostechref/iconv.html> */ | ||
98 | { | ||
99 | iconv_t cd_utf8_to_88591 = iconv_open ("ISO8859-1", "UTF-8"); | ||
100 | if (cd_utf8_to_88591 != (iconv_t)(-1)) | ||
101 | { | ||
102 | static ICONV_CONST char input[] = "\342\202\254"; /* EURO SIGN */ | ||
103 | char buf[10]; | ||
104 | ICONV_CONST char *inptr = input; | ||
105 | size_t inbytesleft = strlen (input); | ||
106 | char *outptr = buf; | ||
107 | size_t outbytesleft = sizeof (buf); | ||
108 | size_t res = iconv (cd_utf8_to_88591, | ||
109 | &inptr, &inbytesleft, | ||
110 | &outptr, &outbytesleft); | ||
111 | if (res == 0) | ||
112 | result |= 1; | ||
113 | iconv_close (cd_utf8_to_88591); | ||
114 | } | ||
115 | } | ||
116 | /* Test against Solaris 10 bug: Failures are not distinguishable from | ||
117 | successful returns. */ | ||
118 | { | ||
119 | iconv_t cd_ascii_to_88591 = iconv_open ("ISO8859-1", "646"); | ||
120 | if (cd_ascii_to_88591 != (iconv_t)(-1)) | ||
121 | { | ||
122 | static ICONV_CONST char input[] = "\263"; | ||
123 | char buf[10]; | ||
124 | ICONV_CONST char *inptr = input; | ||
125 | size_t inbytesleft = strlen (input); | ||
126 | char *outptr = buf; | ||
127 | size_t outbytesleft = sizeof (buf); | ||
128 | size_t res = iconv (cd_ascii_to_88591, | ||
129 | &inptr, &inbytesleft, | ||
130 | &outptr, &outbytesleft); | ||
131 | if (res == 0) | ||
132 | result |= 2; | ||
133 | iconv_close (cd_ascii_to_88591); | ||
134 | } | ||
135 | } | ||
136 | /* Test against AIX 6.1..7.1 bug: Buffer overrun. */ | ||
137 | { | ||
138 | iconv_t cd_88591_to_utf8 = iconv_open ("UTF-8", "ISO-8859-1"); | ||
139 | if (cd_88591_to_utf8 != (iconv_t)(-1)) | ||
140 | { | ||
141 | static ICONV_CONST char input[] = "\304"; | ||
142 | static char buf[2] = { (char)0xDE, (char)0xAD }; | ||
143 | ICONV_CONST char *inptr = input; | ||
144 | size_t inbytesleft = 1; | ||
145 | char *outptr = buf; | ||
146 | size_t outbytesleft = 1; | ||
147 | size_t res = iconv (cd_88591_to_utf8, | ||
148 | &inptr, &inbytesleft, | ||
149 | &outptr, &outbytesleft); | ||
150 | if (res != (size_t)(-1) || outptr - buf > 1 || buf[1] != (char)0xAD) | ||
151 | result |= 4; | ||
152 | iconv_close (cd_88591_to_utf8); | ||
153 | } | ||
154 | } | ||
155 | #if 0 /* This bug could be worked around by the caller. */ | ||
156 | /* Test against HP-UX 11.11 bug: Positive return value instead of 0. */ | ||
157 | { | ||
158 | iconv_t cd_88591_to_utf8 = iconv_open ("utf8", "iso88591"); | ||
159 | if (cd_88591_to_utf8 != (iconv_t)(-1)) | ||
160 | { | ||
161 | static ICONV_CONST char input[] = "\304rger mit b\366sen B\374bchen ohne Augenma\337"; | ||
162 | char buf[50]; | ||
163 | ICONV_CONST char *inptr = input; | ||
164 | size_t inbytesleft = strlen (input); | ||
165 | char *outptr = buf; | ||
166 | size_t outbytesleft = sizeof (buf); | ||
167 | size_t res = iconv (cd_88591_to_utf8, | ||
168 | &inptr, &inbytesleft, | ||
169 | &outptr, &outbytesleft); | ||
170 | if ((int)res > 0) | ||
171 | result |= 8; | ||
172 | iconv_close (cd_88591_to_utf8); | ||
173 | } | ||
174 | } | ||
175 | #endif | ||
176 | /* Test against HP-UX 11.11 bug: No converter from EUC-JP to UTF-8 is | ||
177 | provided. */ | ||
178 | { | ||
179 | /* Try standardized names. */ | ||
180 | iconv_t cd1 = iconv_open ("UTF-8", "EUC-JP"); | ||
181 | /* Try IRIX, OSF/1 names. */ | ||
182 | iconv_t cd2 = iconv_open ("UTF-8", "eucJP"); | ||
183 | /* Try AIX names. */ | ||
184 | iconv_t cd3 = iconv_open ("UTF-8", "IBM-eucJP"); | ||
185 | /* Try HP-UX names. */ | ||
186 | iconv_t cd4 = iconv_open ("utf8", "eucJP"); | ||
187 | if (cd1 == (iconv_t)(-1) && cd2 == (iconv_t)(-1) | ||
188 | && cd3 == (iconv_t)(-1) && cd4 == (iconv_t)(-1)) | ||
189 | result |= 16; | ||
190 | if (cd1 != (iconv_t)(-1)) | ||
191 | iconv_close (cd1); | ||
192 | if (cd2 != (iconv_t)(-1)) | ||
193 | iconv_close (cd2); | ||
194 | if (cd3 != (iconv_t)(-1)) | ||
195 | iconv_close (cd3); | ||
196 | if (cd4 != (iconv_t)(-1)) | ||
197 | iconv_close (cd4); | ||
198 | } | ||
199 | return result; | ||
200 | ]])], | ||
201 | [am_cv_func_iconv_works=yes], , | ||
202 | [case "$host_os" in | ||
203 | aix* | hpux*) am_cv_func_iconv_works="guessing no" ;; | ||
204 | *) am_cv_func_iconv_works="guessing yes" ;; | ||
205 | esac]) | ||
206 | test "$am_cv_func_iconv_works" = no || break | ||
207 | done | ||
208 | LIBS="$am_save_LIBS" | ||
209 | ]) | ||
210 | case "$am_cv_func_iconv_works" in | ||
211 | *no) am_func_iconv=no am_cv_lib_iconv=no ;; | ||
212 | *) am_func_iconv=yes ;; | ||
213 | esac | ||
214 | else | ||
215 | am_func_iconv=no am_cv_lib_iconv=no | ||
216 | fi | ||
217 | if test "$am_func_iconv" = yes; then | ||
218 | AC_DEFINE([HAVE_ICONV], [1], | ||
219 | [Define if you have the iconv() function and it works.]) | ||
220 | fi | ||
221 | if test "$am_cv_lib_iconv" = yes; then | ||
222 | AC_MSG_CHECKING([how to link with libiconv]) | ||
223 | AC_MSG_RESULT([$LIBICONV]) | ||
224 | else | ||
225 | dnl If $LIBICONV didn't lead to a usable library, we don't need $INCICONV | ||
226 | dnl either. | ||
227 | CPPFLAGS="$am_save_CPPFLAGS" | ||
228 | LIBICONV= | ||
229 | LTLIBICONV= | ||
230 | fi | ||
231 | AC_SUBST([LIBICONV]) | ||
232 | AC_SUBST([LTLIBICONV]) | ||
233 | ]) | ||
234 | |||
235 | dnl Define AM_ICONV using AC_DEFUN_ONCE, in order to avoid warnings like | ||
236 | dnl "warning: AC_REQUIRE: `AM_ICONV' was expanded before it was required". | ||
237 | AC_DEFUN_ONCE([AM_ICONV], | ||
238 | [ | ||
239 | AM_ICONV_LINK | ||
240 | if test "$am_cv_func_iconv" = yes; then | ||
241 | AC_CACHE_CHECK([whether iconv is compatible with its POSIX signature], | ||
242 | [gl_cv_iconv_nonconst], | ||
243 | [AC_COMPILE_IFELSE( | ||
244 | [AC_LANG_PROGRAM( | ||
245 | [[ | ||
246 | #include <stdlib.h> | ||
247 | #include <iconv.h> | ||
248 | extern | ||
249 | #ifdef __cplusplus | ||
250 | "C" | ||
251 | #endif | ||
252 | size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft); | ||
253 | ]], | ||
254 | [[]])], | ||
255 | [gl_cv_iconv_nonconst=yes], | ||
256 | [gl_cv_iconv_nonconst=no]) | ||
257 | ]) | ||
258 | else | ||
259 | dnl When compiling GNU libiconv on a system that does not have iconv yet, | ||
260 | dnl pick the POSIX compliant declaration without 'const'. | ||
261 | gl_cv_iconv_nonconst=yes | ||
262 | fi | ||
263 | if test $gl_cv_iconv_nonconst = yes; then | ||
264 | iconv_arg1="" | ||
265 | else | ||
266 | iconv_arg1="const" | ||
267 | fi | ||
268 | AC_DEFINE_UNQUOTED([ICONV_CONST], [$iconv_arg1], | ||
269 | [Define as const if the declaration of iconv() needs const.]) | ||
270 | dnl Also substitute ICONV_CONST in the gnulib generated <iconv.h>. | ||
271 | m4_ifdef([gl_ICONV_H_DEFAULTS], | ||
272 | [AC_REQUIRE([gl_ICONV_H_DEFAULTS]) | ||
273 | if test $gl_cv_iconv_nonconst != yes; then | ||
274 | ICONV_CONST="const" | ||
275 | fi | ||
276 | ]) | ||
277 | |||
278 | dnl A summary result, for those packages which want to print a summary at the | ||
279 | dnl end of the configuration. | ||
280 | if test "$am_func_iconv" = yes; then | ||
281 | if test -n "$LIBICONV"; then | ||
282 | am_cv_func_iconv_summary='yes, in libiconv' | ||
283 | else | ||
284 | am_cv_func_iconv_summary='yes, in libc' | ||
285 | fi | ||
286 | else | ||
287 | if test "$am_cv_func_iconv" = yes; then | ||
288 | am_cv_func_iconv_summary='not working, consider installing GNU libiconv' | ||
289 | else | ||
290 | am_cv_func_iconv_summary='no, consider installing GNU libiconv' | ||
291 | fi | ||
292 | fi | ||
293 | ]) | ||