Reverting UTF-8 changes until everything is in place.

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@7236 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

1 files changed, 16 insertions, 29 deletions

diff --git a/chapter06/glibc.xml b/chapter06/glibc.xml
index 8ab39c726..c09759789 100644
--- a/chapter06/glibc.xml
+++ b/chapter06/glibc.xml
@@ -47,21 +47,6 @@ and linker cannot be adjusted before the Glibc install because the
 Glibc autoconf tests would give false results and defeat the goal
 of achieving a clean build.</para>
 
-<para>The glibc-libidn tarball adds support for internationalized
-domain names (IDN) to Glibc. Note that many programs that
-support IDN require the full libidn library from
-<ulink url="http://josefsson.org/libidn/releases/"/>, not this add-on.
-Unpack the tarball from within the Glibc source
-directory:</para>
-
-<screen><userinput>tar jxf ../glibc-libidn-&glibc-version;.tar.bz2</userinput></screen>
-
-<para>In the vi_VN.TCVN locale, bash enters infinite loop at startup. It is
-unknown whether this is a bash bug or a glibc problem. Disable installation
-of this locale in order to avoid the problem:</para>
-
-<screen><userinput>sed -i '/vi_VN.TCVN/d' localedata/SUPPORTED</userinput></screen>
-
 <para>The Glibc documentation recommends building Glibc outside of the source
 directory in a dedicated build directory:</para>
 
@@ -71,7 +56,7 @@ cd ../glibc-build</userinput></screen>
 <para>Prepare Glibc for compilation:</para>
 
 <screen><userinput>../glibc-&glibc-version;/configure --prefix=/usr \
-    --disable-profile --enable-add-ons=nptl,libidn \
+    --disable-profile --enable-add-ons \
     --enable-kernel=2.6.0 --libexecdir=/usr/lib/glibc</userinput></screen>
 
 <para>The meaning of the new configure options:</para>
@@ -144,11 +129,6 @@ with:</para>
 
 <screen><userinput>make localedata/install-locales</userinput></screen>
 
-<note><para>It is possible to create and install additional locales such as
-ru_RU.CP1251 by means of the <command>localedef</command> command, as
-explained in the <filename>INSTALL</filename> file in the Glibc source.</para></note>
-<!-- The Live CD patches the localedata/SUPPORTED file instead of running localedef -->
-
 <para>To save time, an alternative to running the
 previous command (which generates and installs every locale listed in the
 glibc-&glibc-version;/localedata/SUPPORTED file) is to install only those
@@ -162,7 +142,6 @@ instructions, instead of the <parameter>install-locales</parameter>
 target used above, will install the minimum set of locales necessary
 for the tests to run successfully:</para>
 
-<!-- FIXME: recheck that "make localedata/install_locales" actually does the same -->
 <screen role="nodump"><userinput>mkdir -pv /usr/lib/locale
 localedef -i de_DE -f ISO-8859-1 de_DE
 localedef -i de_DE@euro -f ISO-8859-15 de_DE@euro
@@ -173,16 +152,24 @@ localedef -i es_MX -f ISO-8859-1 es_MX
 localedef -i fa_IR -f UTF-8 fa_IR
 localedef -i fr_FR -f ISO-8859-1 fr_FR
 localedef -i fr_FR@euro -f ISO-8859-15 fr_FR@euro
-localedef -i fr_FR.UTF-8 -f UTF-8 fr_FR
 localedef -i it_IT -f ISO-8859-1 it_IT
 localedef -i ja_JP -f EUC-JP ja_JP</userinput></screen>
 
-<para>The first <command>localedef</command> above combines the
-<filename>/usr/share/i18n/locales/de_DE</filename> charset-independent
-locale definition with the
-<filename>/usr/share/i18n/charmaps/ISO-8859-1.gz</filename> charmap definition
-and appends the result to the
-<filename>/usr/lib/locale/locale-archive</filename> file.</para>
+<para>Some locales installed by the <command>make
+localedata/install-locales</command> command above are not properly
+supported by some applications that are in the LFS and BLFS books.
+Because of the various problems that arise due to application
+programmers making assumptions that break in such locales, LFS should
+not be used in locales that utilize multibyte character sets
+(including UTF-8) or right-to-left writing order.  Numerous unofficial
+and unstable patches are required to fix these problems, and it has
+been decided by the LFS developers not to support such complex locales at this
+time.  This applies to the ja_JP and fa_IR locales as well&mdash;they have been
+installed only for GCC and Gettext tests to pass, and the
+<command>watch</command> program (part of the Procps package) does not work
+properly in them. Various attempts to circumvent these restrictions are
+documented in internationalization-related hints.</para>
+
 </sect2>
 
 <sect2 id="conf-glibc" role="configuration"><title>Configuring Glibc</title>