Changeset 61ce0b1 for chapter05/gcc-pass2.xml

Timestamp:

06/14/2014 07:51:45 PM (10 years ago)

Author:

DJ Lucas <dj@…>

Branches:

7.6-systemd, 7.7-systemd, 7.8-systemd, 7.9-systemd

Children:

c09761a

Parents:

6f34f43

Message:

Synchronized with LFS-SVN-20140611.

git-svn-id: ​http://svn.linuxfromscratch.org/LFS/branches/systemd/BOOK@10576 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

File:

• chapter05/gcc-pass2.xml (modified) (2 diffs)

chapter05/gcc-pass2.xml

@@ -58 +58 @@
 <screen><userinput remap="pre">cat gcc/limitx.h gcc/glimits.h gcc/limity.h &gt; \
   `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 frame pointer that is not
+    needed:</para>
 
 <screen><userinput remap="pre">case `uname -m` in
   i?86) sed -i 's/^T_CFLAGS =$/&amp; -fomit-frame-pointer/' gcc/Makefile.in ;;
 esac</userinput></screen>
-
+-->
     <para>Once again, change the location of GCC's default dynamic linker to
     use the one installed in <filename
@@ -124 +122 @@
     --disable-multilib                               \
     --disable-bootstrap                              \
-    --disable-libgomp                                \
-    --with-mpfr-include=$(pwd)/../gcc-&gcc-version;/mpfr/src \
-    --with-mpfr-lib=$(pwd)/mpfr/src/.libs</userinput></screen>
+    --disable-libgomp</userinput></screen>
 
     <variablelist>