diff options
Diffstat (limited to 'm4/iconv.m4')
| -rw-r--r-- | m4/iconv.m4 | 123 |
1 files changed, 27 insertions, 96 deletions
diff --git a/m4/iconv.m4 b/m4/iconv.m4 index 4b29c5f..f46ff14 100644 --- a/m4/iconv.m4 +++ b/m4/iconv.m4 @@ -1,5 +1,5 @@ -# iconv.m4 serial 18 (gettext-0.18.2) -dnl Copyright (C) 2000-2002, 2007-2014 Free Software Foundation, Inc. +# iconv.m4 serial 9 (gettext-0.18) +dnl Copyright (C) 2000-2002, 2007-2010 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. @@ -30,35 +30,27 @@ AC_DEFUN([AM_ICONV_LINK], dnl Add $INCICONV to CPPFLAGS before performing the following checks, dnl because if the user has installed libiconv and not disabled its use dnl via --without-libiconv-prefix, he wants to use it. The first - dnl AC_LINK_IFELSE will then fail, the second AC_LINK_IFELSE will succeed. + dnl AC_TRY_LINK will then fail, the second AC_TRY_LINK will succeed. am_save_CPPFLAGS="$CPPFLAGS" AC_LIB_APPENDTOVAR([CPPFLAGS], [$INCICONV]) AC_CACHE_CHECK([for iconv], [am_cv_func_iconv], [ am_cv_func_iconv="no, consider installing GNU libiconv" am_cv_lib_iconv=no - AC_LINK_IFELSE( - [AC_LANG_PROGRAM( - [[ -#include <stdlib.h> -#include <iconv.h> - ]], - [[iconv_t cd = iconv_open("",""); - iconv(cd,NULL,NULL,NULL,NULL); - iconv_close(cd);]])], + AC_TRY_LINK([#include <stdlib.h> +#include <iconv.h>], + [iconv_t cd = iconv_open("",""); + iconv(cd,NULL,NULL,NULL,NULL); + iconv_close(cd);], [am_cv_func_iconv=yes]) if test "$am_cv_func_iconv" != yes; then am_save_LIBS="$LIBS" LIBS="$LIBS $LIBICONV" - AC_LINK_IFELSE( - [AC_LANG_PROGRAM( - [[ -#include <stdlib.h> -#include <iconv.h> - ]], - [[iconv_t cd = iconv_open("",""); - iconv(cd,NULL,NULL,NULL,NULL); - iconv_close(cd);]])], + AC_TRY_LINK([#include <stdlib.h> +#include <iconv.h>], + [iconv_t cd = iconv_open("",""); + iconv(cd,NULL,NULL,NULL,NULL); + iconv_close(cd);], [am_cv_lib_iconv=yes] [am_cv_func_iconv=yes]) LIBS="$am_save_LIBS" @@ -66,19 +58,16 @@ AC_DEFUN([AM_ICONV_LINK], ]) if test "$am_cv_func_iconv" = yes; then AC_CACHE_CHECK([for working iconv], [am_cv_func_iconv_works], [ - dnl This tests against bugs in AIX 5.1, AIX 6.1..7.1, HP-UX 11.11, - dnl Solaris 10. + dnl This tests against bugs in AIX 5.1, HP-UX 11.11, Solaris 10. am_save_LIBS="$LIBS" if test $am_cv_lib_iconv = yes; then LIBS="$LIBS $LIBICONV" fi - AC_RUN_IFELSE( - [AC_LANG_SOURCE([[ + AC_TRY_RUN([ #include <iconv.h> #include <string.h> int main () { - int result = 0; /* Test against AIX 5.1 bug: Failures are not distinguishable from successful returns. */ { @@ -95,8 +84,7 @@ int main () (char **) &inptr, &inbytesleft, &outptr, &outbytesleft); if (res == 0) - result |= 1; - iconv_close (cd_utf8_to_88591); + return 1; } } /* Test against Solaris 10 bug: Failures are not distinguishable from @@ -115,27 +103,7 @@ int main () (char **) &inptr, &inbytesleft, &outptr, &outbytesleft); if (res == 0) - result |= 2; - iconv_close (cd_ascii_to_88591); - } - } - /* Test against AIX 6.1..7.1 bug: Buffer overrun. */ - { - iconv_t cd_88591_to_utf8 = iconv_open ("UTF-8", "ISO-8859-1"); - if (cd_88591_to_utf8 != (iconv_t)(-1)) - { - static const char input[] = "\304"; - static char buf[2] = { (char)0xDE, (char)0xAD }; - const char *inptr = input; - size_t inbytesleft = 1; - char *outptr = buf; - size_t outbytesleft = 1; - size_t res = iconv (cd_88591_to_utf8, - (char **) &inptr, &inbytesleft, - &outptr, &outbytesleft); - if (res != (size_t)(-1) || outptr - buf > 1 || buf[1] != (char)0xAD) - result |= 4; - iconv_close (cd_88591_to_utf8); + return 1; } } #if 0 /* This bug could be worked around by the caller. */ @@ -154,8 +122,7 @@ int main () (char **) &inptr, &inbytesleft, &outptr, &outbytesleft); if ((int)res > 0) - result |= 8; - iconv_close (cd_88591_to_utf8); + return 1; } } #endif @@ -169,19 +136,13 @@ int main () && iconv_open ("UTF-8", "IBM-eucJP") == (iconv_t)(-1) /* Try HP-UX names. */ && iconv_open ("utf8", "eucJP") == (iconv_t)(-1)) - result |= 16; - return result; -}]])], - [am_cv_func_iconv_works=yes], - [am_cv_func_iconv_works=no], - [ -changequote(,)dnl - case "$host_os" in + return 1; + return 0; +}], [am_cv_func_iconv_works=yes], [am_cv_func_iconv_works=no], + [case "$host_os" in aix* | hpux*) am_cv_func_iconv_works="guessing no" ;; *) am_cv_func_iconv_works="guessing yes" ;; - esac -changequote([,])dnl - ]) + esac]) LIBS="$am_save_LIBS" ]) case "$am_cv_func_iconv_works" in @@ -209,60 +170,30 @@ changequote([,])dnl 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], [$2])]])])) -gl_iconv_AC_DEFUN([AM_ICONV], +AC_DEFUN([AM_ICONV], [ AM_ICONV_LINK if test "$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( - [[ + AC_TRY_COMPILE([ #include <stdlib.h> #include <iconv.h> extern #ifdef __cplusplus "C" #endif -#if defined(__STDC__) || defined(_MSC_VER) || defined(__cplusplus) +#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_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 ]) |