From efcb3933433838b71f3a4a53ec1ac6d899aaec0b Mon Sep 17 00:00:00 2001
From: Pierre Labastie <pieere@linuxfromscratch.org>
Date: Sun, 3 May 2020 21:02:51 +0000
Subject: Make the new book

git-svn-id: http://svn.linuxfromscratch.org/LFS/branches/cross-chap5@11831 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689
---
 chapter05/flex.xml | 30 ++++++++++++++++++++++++------
 1 file changed, 24 insertions(+), 6 deletions(-)

(limited to 'chapter05/flex.xml')

diff --git a/chapter05/flex.xml b/chapter05/flex.xml
index 5e1afa194..5761e82e5 100644
--- a/chapter05/flex.xml
+++ b/chapter05/flex.xml
@@ -45,19 +45,37 @@
 
     <para>Prepare Flex for compilation:</para>
 
-<screen><userinput remap="configure">./configure --prefix=/tools</userinput></screen>
+<screen><userinput remap="configure">./configure --prefix=/usr                     \
+            --host=$LFS_TGT                   \
+            --build=$(build-aux/config.guess) \
+            --disable-bootstrap               \
+            --docdir=/usr/share/doc/flex-&flex-version;</userinput></screen>
+
+    <variablelist>
+      <title>The meaning of the new configure option:</title>
+
+      <varlistentry>
+        <term><parameter>--disable-bootstrap</parameter></term>
+	<listitem>
+          <para>Normally, building flex is done in two stages. A first
+	  programs, which is used to generate the source of a second one,
+	  which is then compiled. When using cross-compilation, the first
+	  program is generated on the build systemd. However, due to a bug
+	  in configure, the presence of some funciton is tested only on the
+	  host system. If this function is not found on the build system, the
+	  build fails. This can be prevented by disabling the two stage
+	  build.</para>
+	</listitem>
+      </varlistentry>
+    </variablelist>
 
     <para>Compile the package:</para>
 
 <screen><userinput remap="make">make</userinput></screen>
 
-    <para>To test the results, issue:</para>
-
-<screen><userinput remap="test">make check</userinput></screen>
-
     <para>Install the package:</para>
 
-<screen><userinput remap="install">make install</userinput></screen>
+<screen><userinput remap="install">make DESTDIR=$LFS install</userinput></screen>
 
   </sect2>
 
-- 
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