Changeset f6fe500 for chapter05/gcc-pass2.xml

Timestamp:

05/11/2014 03:02:47 PM (10 years ago)

Author:

Bruce Dubbs <bdubbs@…>

Branches:

10.0, 10.0-rc1, 10.1, 10.1-rc1, 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, 7.6, 7.7, 7.8, 7.9, 8.0, 8.1, 8.2, 8.3, 8.4, 9.0, 9.1, 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:

6206f72

Parents:

799daaa

Message:

Update bootscripts for eudev.
Add gcc patch for upstream changes.</para>
Change explanation for using omit-frame-pointer in gcc-pass2.

git-svn-id: ​http://svn.linuxfromscratch.org/LFS/trunk/BOOK@10560 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

File:

• chapter05/gcc-pass2.xml (modified) (1 diff)

chapter05/gcc-pass2.xml

@@ -59 +59 @@
   `dirname $($LFS_TGT-gcc -print-libgcc-file-name)`/include-fixed/limits.h</userinput></screen>
 
-    <para>For x86 machines, a bootstrap build of GCC uses the
-    <option>-fomit-frame-pointer</option> compiler flag.  Non-bootstrap builds
-    omit this flag by default, and the goal should be to produce a compiler
-    that is exactly the same as if it were bootstrapped.  Apply the following
-    <command>sed</command> command to force the build to use the flag:</para>
+    <para>For x86 machines, the limited number of registers is a bottleneck
+    for the system.  Free one up by not using a fram pointer that is not
+    needed:</para>
 
 <screen><userinput remap="pre">case `uname -m` in