[lfs] branch trunk updated: stripping: Switch to zstd to compress debug info

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git pushed a commit to branch trunk
in repository lfs.

The following commit(s) were added to refs/heads/trunk by this push:
     new 7a6cafbe9 stripping: Switch to zstd to compress debug info
7a6cafbe9 is described below

commit 7a6cafbe952b35a4d2de1f3c33ee90851fe74653
Author: Xi Ruoyao <[email protected]>
AuthorDate: Thu May 1 21:34:32 2025 +0800

    stripping: Switch to zstd to compress debug info
    
    Now BLFS has valgrind-3.25.0 which supports zstd-compressed debug
    section.
---
 chapter08/stripping.xml | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/chapter08/stripping.xml b/chapter08/stripping.xml
index 2839cfda7..b1f88f33a 100644
--- a/chapter08/stripping.xml
+++ b/chapter08/stripping.xml
@@ -34,11 +34,8 @@
   After stripping with --strip-debug it is 5.9 MB.  Using --strip-unneeded only
   reduces the size further to only 5.8 MB.</para>
 
-  <!-- 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
+  <application>Zstd</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.
@@ -86,7 +83,7 @@
 cd /usr/lib
 
 for LIB in $save_usrlib; do
-    objcopy --only-keep-debug --compress-debug-sections=zlib $LIB $LIB.dbg
+    objcopy --only-keep-debug --compress-debug-sections=zstd $LIB $LIB.dbg
     cp $LIB /tmp/$LIB
     strip --strip-debug /tmp/$LIB
     objcopy --add-gnu-debuglink=$LIB.dbg /tmp/$LIB

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