X-Git-Url: https://git.cworth.org/git?a=blobdiff_plain;f=m4%2Ficonv.m4;h=425145c0aee8f847f459df54299b9e1e6b4af743;hb=ee168310ec4227174ace489bf5f81f8c2f91cde0;hp=3cc626829edffdf2c02bc5ad7517b7eb225c746a;hpb=785cdec4450a1459fdbb90df1344b69be34e0059;p=tar diff --git a/m4/iconv.m4 b/m4/iconv.m4 index 3cc6268..425145c 100644 --- a/m4/iconv.m4 +++ b/m4/iconv.m4 @@ -1,5 +1,5 @@ -# iconv.m4 serial AM7 (gettext-0.18) -dnl Copyright (C) 2000-2002, 2007-2009 Free Software Foundation, Inc. +# iconv.m4 serial 15 (gettext-0.18.2) +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. @@ -30,27 +30,35 @@ AC_DEFUN([AM_ICONV_LINK], dnl Add $INCICONV to CPPFLAGS before performing the following checks, dnl because if the user has installed libiconv and not disabled its use dnl via --without-libiconv-prefix, he wants to use it. The first - dnl AC_TRY_LINK will then fail, the second AC_TRY_LINK will succeed. + dnl AC_LINK_IFELSE will then fail, the second AC_LINK_IFELSE will succeed. am_save_CPPFLAGS="$CPPFLAGS" AC_LIB_APPENDTOVAR([CPPFLAGS], [$INCICONV]) AC_CACHE_CHECK([for iconv], [am_cv_func_iconv], [ am_cv_func_iconv="no, consider installing GNU libiconv" am_cv_lib_iconv=no - AC_TRY_LINK([#include -#include ], - [iconv_t cd = iconv_open("",""); - iconv(cd,NULL,NULL,NULL,NULL); - iconv_close(cd);], + AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[ +#include +#include + ]], + [[iconv_t cd = iconv_open("",""); + iconv(cd,NULL,NULL,NULL,NULL); + iconv_close(cd);]])], [am_cv_func_iconv=yes]) if test "$am_cv_func_iconv" != yes; then am_save_LIBS="$LIBS" LIBS="$LIBS $LIBICONV" - AC_TRY_LINK([#include -#include ], - [iconv_t cd = iconv_open("",""); - iconv(cd,NULL,NULL,NULL,NULL); - iconv_close(cd);], + AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[ +#include +#include + ]], + [[iconv_t cd = iconv_open("",""); + iconv(cd,NULL,NULL,NULL,NULL); + iconv_close(cd);]])], [am_cv_lib_iconv=yes] [am_cv_func_iconv=yes]) LIBS="$am_save_LIBS" @@ -58,12 +66,14 @@ AC_DEFUN([AM_ICONV_LINK], ]) if test "$am_cv_func_iconv" = yes; then AC_CACHE_CHECK([for working iconv], [am_cv_func_iconv_works], [ - dnl This tests against bugs in AIX 5.1 and HP-UX 11.11. + dnl This tests against bugs in AIX 5.1, AIX 6.1..7.1, HP-UX 11.11, + dnl Solaris 10. am_save_LIBS="$LIBS" if test $am_cv_lib_iconv = yes; then LIBS="$LIBS $LIBICONV" fi - AC_TRY_RUN([ + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ #include #include int main () @@ -87,6 +97,43 @@ int main () return 1; } } + /* Test against Solaris 10 bug: Failures are not distinguishable from + successful returns. */ + { + iconv_t cd_ascii_to_88591 = iconv_open ("ISO8859-1", "646"); + if (cd_ascii_to_88591 != (iconv_t)(-1)) + { + static const char input[] = "\263"; + char buf[10]; + const char *inptr = input; + size_t inbytesleft = strlen (input); + char *outptr = buf; + size_t outbytesleft = sizeof (buf); + size_t res = iconv (cd_ascii_to_88591, + (char **) &inptr, &inbytesleft, + &outptr, &outbytesleft); + if (res == 0) + return 1; + } + } + /* Test against AIX 6.1..7.1 bug: Buffer overrun. */ + { + iconv_t cd_88591_to_utf8 = iconv_open ("UTF-8", "ISO-8859-1"); + if (cd_88591_to_utf8 != (iconv_t)(-1)) + { + static const char input[] = "\304"; + static char buf[2] = { (char)0xDE, (char)0xAD }; + const char *inptr = input; + size_t inbytesleft = 1; + char *outptr = buf; + size_t outbytesleft = 1; + size_t res = iconv (cd_88591_to_utf8, + (char **) &inptr, &inbytesleft, + &outptr, &outbytesleft); + if (res != (size_t)(-1) || outptr - buf > 1 || buf[1] != (char)0xAD) + return 1; + } + } #if 0 /* This bug could be worked around by the caller. */ /* Test against HP-UX 11.11 bug: Positive return value instead of 0. */ { @@ -119,11 +166,17 @@ int main () && iconv_open ("utf8", "eucJP") == (iconv_t)(-1)) return 1; return 0; -}], [am_cv_func_iconv_works=yes], [am_cv_func_iconv_works=no], - [case "$host_os" in +}]])], + [am_cv_func_iconv_works=yes], + [am_cv_func_iconv_works=no], + [ +changequote(,)dnl + case "$host_os" in aix* | hpux*) am_cv_func_iconv_works="guessing no" ;; *) am_cv_func_iconv_works="guessing yes" ;; - esac]) + esac +changequote([,])dnl + ]) LIBS="$am_save_LIBS" ]) case "$am_cv_func_iconv_works" in @@ -151,13 +204,33 @@ int main () AC_SUBST([LTLIBICONV]) ]) -AC_DEFUN([AM_ICONV], +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_TRY_COMPILE([ + AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[ #include #include extern @@ -169,11 +242,14 @@ size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, si #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([${ac_t:- - }$am_cv_proto_iconv]) + 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.]) fi