Chapter 5 - Setting up the environment: Added unset CC CXX CPP LD_LIBRARY_PATH LD_PRELOAD to .bash_profile to stop accidental build breakge.

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@2860 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

chapter01/changelog.xml

@@ -94,6 +94,10 @@
 </itemizedlist>
 </para></listitem>
 
+<listitem><para>September 22nd, 2003 [greg]: Chapter 5 - Setting up the
+environment: Added unset CC CXX CPP LD_LIBRARY_PATH LD_PRELOAD to
+.bash_profile to stop accidental build breakge.</para></listitem>
+
 <listitem><para>September 20th, 2003 [greg]: Chapter 5 - GCC Pass 2: Updated
 to gcc-3.3.1-specs-2.patch. Ncurses: added --enable-overwrite and description.
 </para></listitem>

chapter05/setting-environment.xml

@@ -12,6 +12,7 @@ LFS=/mnt/lfs
 LC_ALL=POSIX
 PATH=/tools/bin:$PATH
 export LFS LC_ALL PATH
+unset CC CXX CPP LD_LIBRARY_PATH LD_PRELOAD
 <userinput>EOF
 
 source ~/.bash_profile</userinput></screen></para>
@@ -46,6 +47,10 @@ everything will work as expected in the chroot environment.</para>
 that, as we move along through this chapter, the tools we build will get used
 during the rest of the building process.</para>
 
+<para>The CC, CXX, CPP, LD_LIBRARY_PATH and LD_PRELOAD environment variables all
+have the potential to cause havoc with our Chapter 5 toolchain. We therefore
+unset them to prevent any chance of this happening.</para>
+
 <para>Now, after sourcing the just-created profile, we're all set to begin
 building the temporary tools that will support us in later chapters.</para>
 

index.xml

@@ -3,8 +3,8 @@
 				"/usr/share/docbook/docbookx.dtd" [
 
 
-<!ENTITY version "20030920">
-<!ENTITY releasedate "September 20th, 2003">
+<!ENTITY version "20030922">
+<!ENTITY releasedate "September 22nd, 2003">
 <!ENTITY nbsp " ">
 
 <!ENTITY ftp-root "ftp://ftp.linuxfromscratch.org">