Changeset 80da60f

Timestamp:

09/13/2023 07:39:25 AM (8 months ago)

Author:

Xi Ruoyao <xry111@…>

Branches:

12.1, 12.1-rc1, multilib, trunk, xry111/arm64, xry111/clfs-ng, xry111/loongarch, xry111/loongarch-12.1, xry111/mips64el, xry111/update-glibc

Children:

b91b12a

Parents:

48d8f5a

Message:

stripping: Compress the kept debug info with Zlib

File:

• chapter08/stripping.xml (modified) (2 diffs)

chapter08/stripping.xml

@@ -30 +30 @@
   dynamically linked binaries and shared libraries).</para>
 
-  <para>The debugging symbols from selected libraries are preserved
-  in separate files.  That debugging information is needed to run
-  regression tests with <ulink
+  <!-- TODO: Zstd is better than Zlib for both speed and size.
+             Unfortunately Valgrind does not support Zstd-compressed debug
+             info yet: https://bugs.kde.org/show_bug.cgi?id=469782 -->
+  <para>The debugging symbols from selected libraries are compressed with
+  <application>Zlib</application> and 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.
@@ -79 +82 @@
 
 for LIB in $save_usrlib; do
-    objcopy --only-keep-debug $LIB $LIB.dbg
+    objcopy --only-keep-debug --compress-debug-sections=zlib $LIB $LIB.dbg
     cp $LIB /tmp/$LIB
     strip --strip-unneeded /tmp/$LIB