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| -rw-r--r-- | chapter08/stripping.xml | 44 |
1 files changed, 22 insertions, 22 deletions
diff --git a/chapter08/stripping.xml b/chapter08/stripping.xml index d82b72ac1..eaabab5b7 100644 --- a/chapter08/stripping.xml +++ b/chapter08/stripping.xml @@ -12,39 +12,39 @@ <para>This section is optional. If the intended user is not a programmer and does not plan to do - any debugging on the system software, the system size can be decreased - by about 2 GB by removing the debugging symbols and unneeded symbol table - entries from binaries and libraries. This causes no inconvenience other - than not being able to debug the software fully anymore.</para> + any debugging of the system software, the system's size can be decreased + by some 2 GB by removing the debugging symbols, and some unnecessary symbol table + entries, from binaries and libraries. This causes no real inconvenience for + a typical Linux user.</para> <para>Most people who use the commands mentioned below do not - experience any difficulties. However, it is easy to make a typo and - render the new system unusable, so before running the + experience any difficulties. However, it is easy to make a mistake and + render the new system unusable. So before running the <command>strip</command> commands, it is a good idea to make a backup of the LFS system in its current state.</para> - <para>A <command>strip</command> command with + <para>A <command>strip</command> command with the <parameter>--strip-unneeded</parameter> option removes all debug symbols - from a binary or library. And, it removes all symbol table entries not + from a binary or library. It also removes all symbol table entries not needed by the linker (for static libraries) or dynamic linker (for - dynamic-linked binaries and shared libraries).</para> + dynamically linked binaries and shared libraries).</para> - <para>The debugging symbols for selected libraries are placed - in separate files. This debugging information is needed if running - regression tests that use <ulink + <para>The debugging symbols from selected libraries are preserved + in separate files. That debugging information is needed to run + regression tests with <ulink url='&blfs-book;/general/valgrind.html'>valgrind</ulink> or <ulink - url='&blfs-book;/general/gdb.html'>gdb</ulink> later in BLFS. + url='&blfs-book;/general/gdb.html'>gdb</ulink> later, in BLFS. </para> <para>Note that <command>strip</command> will overwrite the binary or library file it is processing. This can crash the processes using code or data from - the file. If the process running <command>strip</command> itself is - affected, the binary or library being stripped can be destroyed and can - make the system completely unusable. To avoid it, we'll copy some libraries + the file. If the process running <command>strip</command> is + affected, the binary or library being stripped can be destroyed; this can + make the system completely unusable. To avoid this problem we copy some libraries and binaries into <filename class="directory">/tmp</filename>, strip them - there, and install them back with the <command>install</command> command. - Read the related entry in <xref linkend="pkgmgmt-upgrade-issues"/> for the - rationale to use the <command>install</command> command here.</para> + there, then reinstall them with the <command>install</command> command. + (The related entry in <xref linkend="pkgmgmt-upgrade-issues"/> gives the + rationale for using the <command>install</command> command here.)</para> <note><para>The ELF loader's name is ld-linux-x86-64.so.2 on 64-bit systems and ld-linux.so.2 on 32-bit systems. The construct below selects the @@ -111,8 +111,8 @@ done unset BIN LIB save_usrlib online_usrbin online_usrlib </userinput></screen> - <para>A large number of files will be reported as having their file - format not recognized. These warnings can be safely ignored. They - indicate that those files are scripts instead of binaries.</para> + <para>A large number of files will be flagged as errors because their file + format is not recognized. These warnings can be safely ignored. They + indicate that those files are scripts, not binaries.</para> </sect1> |