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0cb01df558
Change-Id: I7a413a81d33762f3cb1e8c67883d1e616f83d0e9 Reviewed-on: https://review.haiku-os.org/c/1536 Reviewed-by: Alex von Gluck IV <kallisti5@unixzen.com>
131 lines
4.4 KiB
Plaintext
131 lines
4.4 KiB
Plaintext
# iconv.m4 serial AM4 (gettext-0.11.3)
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dnl Copyright (C) 2000-2002 Free Software Foundation, Inc.
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dnl This file is free software, distributed under the terms of the GNU
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dnl General Public License. As a special exception to the GNU General
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dnl Public License, this file may be distributed as part of a program
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dnl that contains a configuration script generated by Autoconf, under
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dnl the same distribution terms as the rest of that program.
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dnl From Bruno Haible.
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dnl with modifications to support building with in-tree libiconv
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AC_DEFUN([AM_ICONV_LINKFLAGS_BODY],
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[
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dnl Prerequisites of AC_LIB_LINKFLAGS_BODY.
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AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
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AC_REQUIRE([AC_LIB_RPATH])
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dnl Search for libiconv and define LIBICONV, LTLIBICONV and INCICONV
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dnl accordingly.
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AC_LIB_LINKFLAGS_BODY([iconv])
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])
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AC_DEFUN([AM_ICONV_LINK],
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[
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dnl Some systems have iconv in libc, some have it in libiconv (OSF/1 and
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dnl those with the standalone portable GNU libiconv installed).
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dnl Search for libiconv and define LIBICONV, LTLIBICONV and INCICONV
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dnl accordingly.
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AC_REQUIRE([AM_ICONV_LINKFLAGS_BODY])
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AC_CACHE_CHECK(for iconv, am_cv_func_iconv, [
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am_cv_func_iconv="no, consider installing GNU libiconv"
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am_cv_lib_iconv=no
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dnl Add $INCICONV to CPPFLAGS before performing the first check,
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dnl because if the user has installed libiconv and not disabled its use
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dnl via --without-libiconv-prefix, he wants to use it. This first
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dnl AC_TRY_LINK will then fail, the second AC_TRY_LINK will succeed.
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am_save_CPPFLAGS="$CPPFLAGS"
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CPPFLAGS="$CPPFLAGS $INCICONV"
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AC_TRY_LINK([#include <stdlib.h>
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#include <iconv.h>],
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[iconv_t cd = iconv_open("","");
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iconv(cd,NULL,NULL,NULL,NULL);
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iconv_close(cd);],
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am_cv_func_iconv=yes)
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CPPFLAGS="$am_save_CPPFLAGS"
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if test "$am_cv_func_iconv" != yes && test -d ../libiconv; then
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for _libs in .libs _libs; do
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am_save_CPPFLAGS="$CPPFLAGS"
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am_save_LIBS="$LIBS"
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CPPFLAGS="$CPPFLAGS -I../libiconv/include"
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LIBS="$LIBS ../libiconv/lib/$_libs/libiconv.a"
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AC_TRY_LINK([#include <stdlib.h>
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#include <iconv.h>],
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[iconv_t cd = iconv_open("","");
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iconv(cd,NULL,NULL,NULL,NULL);
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iconv_close(cd);],
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INCICONV="-I../libiconv/include"
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LIBICONV='${top_builddir}'/../libiconv/lib/$_libs/libiconv.a
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LTLIBICONV='${top_builddir}'/../libiconv/lib/libiconv.la
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am_cv_lib_iconv=yes
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am_cv_func_iconv=yes)
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CPPFLAGS="$am_save_CPPFLAGS"
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LIBS="$am_save_LIBS"
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if test "$am_cv_func_iconv" = "yes"; then
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break
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fi
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done
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fi
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if test "$am_cv_func_iconv" != yes; then
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am_save_CPPFLAGS="$CPPFLAGS"
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am_save_LIBS="$LIBS"
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CPPFLAGS="$CPPFLAGS $INCICONV"
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LIBS="$LIBS $LIBICONV"
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AC_TRY_LINK([#include <stdlib.h>
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#include <iconv.h>],
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[iconv_t cd = iconv_open("","");
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iconv(cd,NULL,NULL,NULL,NULL);
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iconv_close(cd);],
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am_cv_lib_iconv=yes
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am_cv_func_iconv=yes)
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CPPFLAGS="$am_save_CPPFLAGS"
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LIBS="$am_save_LIBS"
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fi
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])
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if test "$am_cv_func_iconv" = yes; then
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AC_DEFINE(HAVE_ICONV, 1, [Define if you have the iconv() function.])
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fi
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if test "$am_cv_lib_iconv" = yes; then
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AC_LIB_APPENDTOVAR([CPPFLAGS], [$INCICONV])
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AC_MSG_CHECKING([how to link with libiconv])
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AC_MSG_RESULT([$LIBICONV])
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else
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LIBICONV=
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LTLIBICONV=
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fi
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AC_SUBST(LIBICONV)
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AC_SUBST(LTLIBICONV)
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])
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AC_DEFUN([AM_ICONV],
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[
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AM_ICONV_LINK
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if test "$am_cv_func_iconv" = yes; then
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AC_MSG_CHECKING([for iconv declaration])
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AC_CACHE_VAL(am_cv_proto_iconv, [
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AC_TRY_COMPILE([
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#include <stdlib.h>
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#include <iconv.h>
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extern
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#ifdef __cplusplus
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"C"
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#endif
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#if defined(__STDC__) || defined(__cplusplus)
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size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
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#else
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size_t iconv();
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#endif
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], [], am_cv_proto_iconv_arg1="", am_cv_proto_iconv_arg1="const")
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am_cv_proto_iconv="extern size_t iconv (iconv_t cd, $am_cv_proto_iconv_arg1 char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);"])
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am_cv_proto_iconv=`echo "[$]am_cv_proto_iconv" | tr -s ' ' | sed -e 's/( /(/'`
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AC_MSG_RESULT([$]{ac_t:-
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}[$]am_cv_proto_iconv)
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AC_DEFINE_UNQUOTED(ICONV_CONST, $am_cv_proto_iconv_arg1,
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[Define as const if the declaration of iconv() needs const.])
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fi
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])
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