Index: bison/src/bison/2.4.1/bison-2.4.1-src/m4/iconv.m4 |
=================================================================== |
--- bison/src/bison/2.4.1/bison-2.4.1-src/m4/iconv.m4 (revision 0) |
+++ bison/src/bison/2.4.1/bison-2.4.1-src/m4/iconv.m4 (revision 0) |
@@ -0,0 +1,180 @@ |
+# iconv.m4 serial AM6 (gettext-0.17) |
+dnl Copyright (C) 2000-2002, 2007 Free Software Foundation, Inc. |
+dnl This file is free software; the Free Software Foundation |
+dnl gives unlimited permission to copy and/or distribute it, |
+dnl with or without modifications, as long as this notice is preserved. |
+ |
+dnl From Bruno Haible. |
+ |
+AC_DEFUN([AM_ICONV_LINKFLAGS_BODY], |
+[ |
+ dnl Prerequisites of AC_LIB_LINKFLAGS_BODY. |
+ AC_REQUIRE([AC_LIB_PREPARE_PREFIX]) |
+ AC_REQUIRE([AC_LIB_RPATH]) |
+ |
+ dnl Search for libiconv and define LIBICONV, LTLIBICONV and INCICONV |
+ dnl accordingly. |
+ AC_LIB_LINKFLAGS_BODY([iconv]) |
+]) |
+ |
+AC_DEFUN([AM_ICONV_LINK], |
+[ |
+ dnl Some systems have iconv in libc, some have it in libiconv (OSF/1 and |
+ dnl those with the standalone portable GNU libiconv installed). |
+ AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles |
+ |
+ dnl Search for libiconv and define LIBICONV, LTLIBICONV and INCICONV |
+ dnl accordingly. |
+ AC_REQUIRE([AM_ICONV_LINKFLAGS_BODY]) |
+ |
+ dnl Add $INCICONV to CPPFLAGS before performing the following checks, |
+ dnl because if the user has installed libiconv and not disabled its use |
+ dnl via --without-libiconv-prefix, he wants to use it. The first |
+ dnl AC_TRY_LINK will then fail, the second AC_TRY_LINK will succeed. |
+ am_save_CPPFLAGS="$CPPFLAGS" |
+ AC_LIB_APPENDTOVAR([CPPFLAGS], [$INCICONV]) |
+ |
+ AC_CACHE_CHECK([for iconv], am_cv_func_iconv, [ |
+ am_cv_func_iconv="no, consider installing GNU libiconv" |
+ am_cv_lib_iconv=no |
+ AC_TRY_LINK([#include <stdlib.h> |
+#include <iconv.h>], |
+ [iconv_t cd = iconv_open("",""); |
+ iconv(cd,NULL,NULL,NULL,NULL); |
+ iconv_close(cd);], |
+ am_cv_func_iconv=yes) |
+ if test "$am_cv_func_iconv" != yes; then |
+ am_save_LIBS="$LIBS" |
+ LIBS="$LIBS $LIBICONV" |
+ AC_TRY_LINK([#include <stdlib.h> |
+#include <iconv.h>], |
+ [iconv_t cd = iconv_open("",""); |
+ iconv(cd,NULL,NULL,NULL,NULL); |
+ iconv_close(cd);], |
+ am_cv_lib_iconv=yes |
+ am_cv_func_iconv=yes) |
+ LIBS="$am_save_LIBS" |
+ fi |
+ ]) |
+ if test "$am_cv_func_iconv" = yes; then |
+ AC_CACHE_CHECK([for working iconv], am_cv_func_iconv_works, [ |
+ dnl This tests against bugs in AIX 5.1 and HP-UX 11.11. |
+ am_save_LIBS="$LIBS" |
+ if test $am_cv_lib_iconv = yes; then |
+ LIBS="$LIBS $LIBICONV" |
+ fi |
+ AC_TRY_RUN([ |
+#include <iconv.h> |
+#include <string.h> |
+int main () |
+{ |
+ /* Test against AIX 5.1 bug: Failures are not distinguishable from successful |
+ returns. */ |
+ { |
+ iconv_t cd_utf8_to_88591 = iconv_open ("ISO8859-1", "UTF-8"); |
+ if (cd_utf8_to_88591 != (iconv_t)(-1)) |
+ { |
+ static const char input[] = "\342\202\254"; /* EURO SIGN */ |
+ char buf[10]; |
+ const char *inptr = input; |
+ size_t inbytesleft = strlen (input); |
+ char *outptr = buf; |
+ size_t outbytesleft = sizeof (buf); |
+ size_t res = iconv (cd_utf8_to_88591, |
+ (char **) &inptr, &inbytesleft, |
+ &outptr, &outbytesleft); |
+ if (res == 0) |
+ return 1; |
+ } |
+ } |
+#if 0 /* This bug could be worked around by the caller. */ |
+ /* Test against HP-UX 11.11 bug: Positive return value instead of 0. */ |
+ { |
+ iconv_t cd_88591_to_utf8 = iconv_open ("utf8", "iso88591"); |
+ if (cd_88591_to_utf8 != (iconv_t)(-1)) |
+ { |
+ static const char input[] = "\304rger mit b\366sen B\374bchen ohne Augenma\337"; |
+ char buf[50]; |
+ const char *inptr = input; |
+ size_t inbytesleft = strlen (input); |
+ char *outptr = buf; |
+ size_t outbytesleft = sizeof (buf); |
+ size_t res = iconv (cd_88591_to_utf8, |
+ (char **) &inptr, &inbytesleft, |
+ &outptr, &outbytesleft); |
+ if ((int)res > 0) |
+ return 1; |
+ } |
+ } |
+#endif |
+ /* Test against HP-UX 11.11 bug: No converter from EUC-JP to UTF-8 is |
+ provided. */ |
+ if (/* Try standardized names. */ |
+ iconv_open ("UTF-8", "EUC-JP") == (iconv_t)(-1) |
+ /* Try IRIX, OSF/1 names. */ |
+ && iconv_open ("UTF-8", "eucJP") == (iconv_t)(-1) |
+ /* Try AIX names. */ |
+ && iconv_open ("UTF-8", "IBM-eucJP") == (iconv_t)(-1) |
+ /* Try HP-UX names. */ |
+ && iconv_open ("utf8", "eucJP") == (iconv_t)(-1)) |
+ return 1; |
+ return 0; |
+}], [am_cv_func_iconv_works=yes], [am_cv_func_iconv_works=no], |
+ [case "$host_os" in |
+ aix* | hpux*) am_cv_func_iconv_works="guessing no" ;; |
+ *) am_cv_func_iconv_works="guessing yes" ;; |
+ esac]) |
+ LIBS="$am_save_LIBS" |
+ ]) |
+ case "$am_cv_func_iconv_works" in |
+ *no) am_func_iconv=no am_cv_lib_iconv=no ;; |
+ *) am_func_iconv=yes ;; |
+ esac |
+ else |
+ am_func_iconv=no am_cv_lib_iconv=no |
+ fi |
+ if test "$am_func_iconv" = yes; then |
+ AC_DEFINE(HAVE_ICONV, 1, |
+ [Define if you have the iconv() function and it works.]) |
+ fi |
+ if test "$am_cv_lib_iconv" = yes; then |
+ AC_MSG_CHECKING([how to link with libiconv]) |
+ AC_MSG_RESULT([$LIBICONV]) |
+ else |
+ dnl If $LIBICONV didn't lead to a usable library, we don't need $INCICONV |
+ dnl either. |
+ CPPFLAGS="$am_save_CPPFLAGS" |
+ LIBICONV= |
+ LTLIBICONV= |
+ fi |
+ AC_SUBST(LIBICONV) |
+ AC_SUBST(LTLIBICONV) |
+]) |
+ |
+AC_DEFUN([AM_ICONV], |
+[ |
+ AM_ICONV_LINK |
+ if test "$am_cv_func_iconv" = yes; then |
+ AC_MSG_CHECKING([for iconv declaration]) |
+ AC_CACHE_VAL(am_cv_proto_iconv, [ |
+ AC_TRY_COMPILE([ |
+#include <stdlib.h> |
+#include <iconv.h> |
+extern |
+#ifdef __cplusplus |
+"C" |
+#endif |
+#if defined(__STDC__) || defined(__cplusplus) |
+size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft); |
+#else |
+size_t iconv(); |
+#endif |
+], [], am_cv_proto_iconv_arg1="", am_cv_proto_iconv_arg1="const") |
+ am_cv_proto_iconv="extern size_t iconv (iconv_t cd, $am_cv_proto_iconv_arg1 char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);"]) |
+ am_cv_proto_iconv=`echo "[$]am_cv_proto_iconv" | tr -s ' ' | sed -e 's/( /(/'` |
+ AC_MSG_RESULT([$]{ac_t:- |
+ }[$]am_cv_proto_iconv) |
+ AC_DEFINE_UNQUOTED(ICONV_CONST, $am_cv_proto_iconv_arg1, |
+ [Define as const if the declaration of iconv() needs const.]) |
+ fi |
+]) |