Changeset 6206f72 for chapter06/gcc.xml

Timestamp:

05/11/2014 09:58:56 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:

ee9a785

Parents:

f6fe500

Message:

Add a patch to binutils to enable LTO with gcc-4.9.0.
Remove omit-frame-pointer in gcc-pass2 and Chapter 6 gcc.

git-svn-id: ​http://svn.linuxfromscratch.org/LFS/trunk/BOOK@10561 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

File:

• chapter06/gcc.xml (modified) (3 diffs)

chapter06/gcc.xml

@@ -46 +46 @@
 
 <screen><userinput remap="pre">patch -Np1 -i ../&gcc-upstream-patch;</userinput></screen>
-
+<!--
     <para>As in <xref linkend="ch-tools-gcc-pass2"/>, apply the following
     <command>sed</command> to force the build to use the
@@ -55 +55 @@
   i?86) sed -i 's/^T_CFLAGS =$/&amp; -fomit-frame-pointer/' gcc/Makefile.in ;;
 esac</userinput></screen>
-
+-->
     <para>The GCC documentation recommends building GCC outside of the source
     directory in a dedicated build directory:</para>
@@ -151 +151 @@
 <screen><userinput remap="install">ln -sv gcc /usr/bin/cc</userinput></screen>
 
+    <para>Add a compatibility symlink to enable building programs with
+    Link Time Optimization (LTO):</para> 
+
+<screen><userinput remap="install">install -dm755 /usr/lib/bfd-plugins
+pushd /usr/lib/bfd-plugins
+ln -sfv ../../libexec/gcc/x86_64-unknown-linux-gnu/&gcc-version;/liblto_plugin.so 
+popd</userinput></screen>
+
     <para>Now that our final toolchain is in place, it is important to again ensure
     that compiling and linking will work as expected. We do this by performing