Index: iconv.m4
===================================================================
--- iconv.m4 (nonexistent)
+++ iconv.m4 (revision 5)
@@ -0,0 +1,271 @@
+# iconv.m4 serial 19 (gettext-0.18.2)
+dnl Copyright (C) 2000-2002, 2007-2014, 2016 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 $INCICONV to CPPFLAGS before performing the following checks,
+ dnl because if the user has installed libiconv and not disabled its use
+ dnl via --without-libiconv-prefix, he wants to use it. The first
+ dnl AC_LINK_IFELSE will then fail, the second AC_LINK_IFELSE will succeed.
+ am_save_CPPFLAGS="$CPPFLAGS"
+ AC_LIB_APPENDTOVAR([CPPFLAGS], [$INCICONV])
+
+ AC_CACHE_CHECK([for iconv], [am_cv_func_iconv], [
+ am_cv_func_iconv="no, consider installing GNU libiconv"
+ am_cv_lib_iconv=no
+ AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM(
+ [[
+#include <stdlib.h>
+#include <iconv.h>
+ ]],
+ [[iconv_t cd = iconv_open("","");
+ iconv(cd,NULL,NULL,NULL,NULL);
+ iconv_close(cd);]])],
+ [am_cv_func_iconv=yes])
+ if test "$am_cv_func_iconv" != yes; then
+ am_save_LIBS="$LIBS"
+ LIBS="$LIBS $LIBICONV"
+ AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM(
+ [[
+#include <stdlib.h>
+#include <iconv.h>
+ ]],
+ [[iconv_t cd = iconv_open("","");
+ iconv(cd,NULL,NULL,NULL,NULL);
+ iconv_close(cd);]])],
+ [am_cv_lib_iconv=yes]
+ [am_cv_func_iconv=yes])
+ LIBS="$am_save_LIBS"
+ fi
+ ])
+ if test "$am_cv_func_iconv" = yes; then
+ AC_CACHE_CHECK([for working iconv], [am_cv_func_iconv_works], [
+ dnl This tests against bugs in AIX 5.1, AIX 6.1..7.1, HP-UX 11.11,
+ dnl Solaris 10.
+ am_save_LIBS="$LIBS"
+ if test $am_cv_lib_iconv = yes; then
+ LIBS="$LIBS $LIBICONV"
+ fi
+ am_cv_func_iconv_works=no
+ for ac_iconv_const in '' 'const'; do
+ AC_RUN_IFELSE(
+ [AC_LANG_PROGRAM(
+ [[
+#include <iconv.h>
+#include <string.h>
+
+#ifndef ICONV_CONST
+# define ICONV_CONST $ac_iconv_const
+#endif
+ ]],
+ [[int result = 0;
+ /* 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 ICONV_CONST char input[] = "\342\202\254"; /* EURO SIGN */
+ char buf[10];
+ ICONV_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,
+ &inptr, &inbytesleft,
+ &outptr, &outbytesleft);
+ if (res == 0)
+ result |= 1;
+ iconv_close (cd_utf8_to_88591);
+ }
+ }
+ /* Test against Solaris 10 bug: Failures are not distinguishable from
+ successful returns. */
+ {
+ iconv_t cd_ascii_to_88591 = iconv_open ("ISO8859-1", "646");
+ if (cd_ascii_to_88591 != (iconv_t)(-1))
+ {
+ static ICONV_CONST char input[] = "\263";
+ char buf[10];
+ ICONV_CONST char *inptr = input;
+ size_t inbytesleft = strlen (input);
+ char *outptr = buf;
+ size_t outbytesleft = sizeof (buf);
+ size_t res = iconv (cd_ascii_to_88591,
+ &inptr, &inbytesleft,
+ &outptr, &outbytesleft);
+ if (res == 0)
+ result |= 2;
+ iconv_close (cd_ascii_to_88591);
+ }
+ }
+ /* Test against AIX 6.1..7.1 bug: Buffer overrun. */
+ {
+ iconv_t cd_88591_to_utf8 = iconv_open ("UTF-8", "ISO-8859-1");
+ if (cd_88591_to_utf8 != (iconv_t)(-1))
+ {
+ static ICONV_CONST char input[] = "\304";
+ static char buf[2] = { (char)0xDE, (char)0xAD };
+ ICONV_CONST char *inptr = input;
+ size_t inbytesleft = 1;
+ char *outptr = buf;
+ size_t outbytesleft = 1;
+ size_t res = iconv (cd_88591_to_utf8,
+ &inptr, &inbytesleft,
+ &outptr, &outbytesleft);
+ if (res != (size_t)(-1) || outptr - buf > 1 || buf[1] != (char)0xAD)
+ result |= 4;
+ iconv_close (cd_88591_to_utf8);
+ }
+ }
+#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 ICONV_CONST char input[] = "\304rger mit b\366sen B\374bchen ohne Augenma\337";
+ char buf[50];
+ ICONV_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,
+ &inptr, &inbytesleft,
+ &outptr, &outbytesleft);
+ if ((int)res > 0)
+ result |= 8;
+ iconv_close (cd_88591_to_utf8);
+ }
+ }
+#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))
+ result |= 16;
+ return result;
+]])],
+ [am_cv_func_iconv_works=yes], ,
+ [case "$host_os" in
+ aix* | hpux*) am_cv_func_iconv_works="guessing no" ;;
+ *) am_cv_func_iconv_works="guessing yes" ;;
+ esac])
+ test "$am_cv_func_iconv_works" = no || break
+ done
+ LIBS="$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])
+])
+
+dnl Define AM_ICONV using AC_DEFUN_ONCE for Autoconf >= 2.64, in order to
+dnl avoid warnings like
+dnl "warning: AC_REQUIRE: `AM_ICONV' was expanded before it was required".
+dnl This is tricky because of the way 'aclocal' is implemented:
+dnl - It requires defining an auxiliary macro whose name ends in AC_DEFUN.
+dnl Otherwise aclocal's initial scan pass would miss the macro definition.
+dnl - It requires a line break inside the AC_DEFUN_ONCE and AC_DEFUN expansions.
+dnl Otherwise aclocal would emit many "Use of uninitialized value $1"
+dnl warnings.
+m4_define([gl_iconv_AC_DEFUN],
+ m4_version_prereq([2.64],
+ [[AC_DEFUN_ONCE(
+ [$1], [$2])]],
+ [m4_ifdef([gl_00GNULIB],
+ [[AC_DEFUN_ONCE(
+ [$1], [$2])]],
+ [[AC_DEFUN(
+ [$1], [$2])]])]))
+gl_iconv_AC_DEFUN([AM_ICONV],
+[
+ AM_ICONV_LINK
+ if test "$am_cv_func_iconv" = yes; then
+ AC_MSG_CHECKING([for iconv declaration])
+ AC_CACHE_VAL([am_cv_proto_iconv], [
+ AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM(
+ [[
+#include <stdlib.h>
+#include <iconv.h>
+extern
+#ifdef __cplusplus
+"C"
+#endif
+#if defined(__STDC__) || defined(_MSC_VER) || 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([
+ $am_cv_proto_iconv])
+ AC_DEFINE_UNQUOTED([ICONV_CONST], [$am_cv_proto_iconv_arg1],
+ [Define as const if the declaration of iconv() needs const.])
+ dnl Also substitute ICONV_CONST in the gnulib generated <iconv.h>.
+ m4_ifdef([gl_ICONV_H_DEFAULTS],
+ [AC_REQUIRE([gl_ICONV_H_DEFAULTS])
+ if test -n "$am_cv_proto_iconv_arg1"; then
+ ICONV_CONST="const"
+ fi
+ ])
+ fi
+])
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