Changeset 08f72423

Timestamp:

07/28/2021 10:46:22 AM (3 years ago)

Author:

Xi Ruoyao <xry111@…>

Branches:

11.0, 11.0-rc1, 11.0-rc2, 11.0-rc3, 11.1, 11.1-rc1, 11.2, 11.2-rc1, 11.3, 11.3-rc1, 12.0, 12.0-rc1, 12.1, 12.1-rc1, arm, bdubbs/gcc13, ml-11.0, multilib, renodr/libudev-from-systemd, s6-init, trunk, xry111/arm64, xry111/arm64-12.0, xry111/clfs-ng, xry111/lfs-next, xry111/loongarch, xry111/loongarch-12.0, xry111/loongarch-12.1, xry111/mips64el, xry111/pip3, xry111/rust-wip-20221008, xry111/update-glibc

Children:

46e4486

Parents:

79902f4

git-author:

Xi Ruoyao <xry111@…> (07/28/2021 09:00:25 AM)

git-committer:

Xi Ruoyao <xry111@…> (07/28/2021 10:46:22 AM)

Message:

always use --strip-unneeded for stripping

The behavior of --strip-unneeded and --strip-all are same for
executables and shared libraries. For static libraries,
--strip-unneeded keeps the symbols needed for relocation processing so
it won't break static archives.

Files:

• chapter01/changelog.xml (modified) (1 diff)
• chapter07/stripping.xml (modified) (2 diffs)
• chapter08/strippingagain.xml (modified) (3 diffs)

chapter01/changelog.xml

@@ -48 +48 @@
       <itemizedlist>
         <listitem>
+          <para>[xry111] - Always use --strip-unneeded for stripping.</para>
+        </listitem>
+      </itemizedlist>
+    </listitem>
+
+    <listitem>
+    <listitem>
+      <para>2021-07-27</para>
+      <itemizedlist>
+        <listitem>
           <para>[xry111] - Use workaround for Glibc NSS modules during
           stripping, to prevent bash from crash.</para>

chapter07/stripping.xml

@@ -88 +88 @@
 
     <para>Strip off debugging symbols from binaries:</para>
-<screen role="nodump"><userinput>strip --strip-debug $LFS/usr/lib/*
+<screen role="nodump"><userinput>strip --strip-unneeded $LFS/usr/lib/*
 strip --strip-unneeded $LFS/usr/{,s}bin/*
 strip --strip-unneeded $LFS/tools/bin/*</userinput></screen>
@@ -97 +97 @@
     <quote>Binutils pass 2</quote>, since it is the one that knows how to strip
     our cross-compiled programs.--></para>
-
-    <para>Take care <emphasis>NOT</emphasis> to use
-    <parameter>--strip-unneeded</parameter> on the libraries. The static
-    ones would be destroyed and the toolchain packages would need to be
-    built all over again.</para>
 
     <para>At this point, you should have at least 5 GB of free space on the

chapter08/strippingagain.xml

@@ -68 +68 @@
 for BIN in $online_usrbin; do
     cp /usr/bin/$BIN /tmp/$BIN
-    strip --strip-all /tmp/$BIN
+    strip --strip-unneeded /tmp/$BIN
     install -vm755 /tmp/$BIN /usr/bin
     rm /tmp/$BIN
@@ -80 +80 @@
 done
 
-find /usr/lib -type f -name \*.a \
-   -exec strip --strip-debug {} ';'
-
-for i in $(find /usr/lib -type f -name \*.so* ! -name \*dbg); do
-    case "$online_usrlib $save_usrlib" in
+for i in $(find /usr/lib -type f -name \*.so* ! -name \*dbg) \
+         $(find /usr/lib -type f -name \*.a)                 \
+         $(find /usr/{bin,sbin,libexec} -type f); do
+    case "$online_usrbin $online_usrlib $save_usrlib" in
         *$(basename $i)* ) 
             ;;
@@ -91 +90 @@
     esac
 done
-
-for i in $(find /usr/bin -type f); do
-    case "$online_usrbin" in
-        *$(basename $i)* ) 
-            ;;
-        * ) strip --strip-all $i 
-            ;;
-    esac
-done
-
-find /usr/{sbin,libexec} -type f \
-    -exec strip --strip-all {} ';'
 
 unset BIN LIB save_usrlib online_usrbin online_usrlib