Author: pierre
Date: Wed Mar 18 01:24:08 2020
New Revision: 11788
Log:
Reorder gcc-pass2 to parallel gcc-pass1
Modified:
trunk/BOOK/chapter05/gcc-pass2.xml
Modified: trunk/BOOK/chapter05/gcc-pass2.xml
==============================================================================
--- trunk/BOOK/chapter05/gcc-pass2.xml Wed Mar 18 01:13:13 2020 (r11787)
+++ trunk/BOOK/chapter05/gcc-pass2.xml Wed Mar 18 01:24:08 2020 (r11788)
@@ -43,29 +43,17 @@
<sect2 role="installation">
<title>Installation of GCC</title>
- <para>Our first build of GCC has installed a couple of internal system
- headers. Normally one of them, <filename>limits.h</filename>, will in turn
- include the corresponding system <filename>limits.h</filename> header, in
- this case, <filename>/tools/include/limits.h</filename>. However, at the
- time of the first build of gcc <filename>/tools/include/limits.h</filename>
- did not exist, so the internal header that GCC installed is a partial,
- self-contained file and does not include the extended features of the
- system header. This was adequate for building the temporary libc, but this
- build of GCC now requires the full internal header. Create a full version
- of the internal header using a command that is identical to what the GCC
- build system does in normal circumstances:</para>
+ <para>As in the first build of GCC, the GMP, MPFR, and MPC packages are
+ required. Unpack the tarballs and move them into the required directory
+ names:</para>
-<screen><userinput remap="pre">cat gcc/limitx.h gcc/glimits.h gcc/limity.h
> \
- `dirname $($LFS_TGT-gcc
-print-libgcc-file-name)`/include-fixed/limits.h</userinput></screen>
-<!--
- <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">tar -xf ../mpfr-&mpfr-version;.tar.xz
+mv -v mpfr-&mpfr-version; mpfr
+tar -xf ../gmp-&gmp-version;.tar.xz
+mv -v gmp-&gmp-version; gmp
+tar -xf ../mpc-&mpc-version;.tar.gz
+mv -v mpc-&mpc-version; mpc</userinput></screen>
-<screen><userinput remap="pre">case `uname -m` in
- i?86) sed -i 's/^T_CFLAGS =$/& -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
class="directory">/tools</filename>.</para>
@@ -93,17 +81,29 @@
;;
esac</userinput></screen>
- <para>As in the first build of GCC it requires the GMP, MPFR and MPC
- packages. Unpack the tarballs and move them into the required directory
- names:</para>
+ <para>Our first build of GCC has installed a couple of internal system
+ headers. Normally one of them, <filename>limits.h</filename>, will in turn
+ include the corresponding system <filename>limits.h</filename> header, in
+ this case, <filename>/tools/include/limits.h</filename>. However, at the
+ time of the first build of gcc <filename>/tools/include/limits.h</filename>
+ did not exist, so the internal header that GCC installed is a partial,
+ self-contained file and does not include the extended features of the
+ system header. This was adequate for building the temporary libc, but this
+ build of GCC now requires the full internal header. Create a full version
+ of the internal header using a command that is identical to what the GCC
+ build system does in normal circumstances:</para>
-<screen><userinput remap="pre">tar -xf ../mpfr-&mpfr-version;.tar.xz
-mv -v mpfr-&mpfr-version; mpfr
-tar -xf ../gmp-&gmp-version;.tar.xz
-mv -v gmp-&gmp-version; gmp
-tar -xf ../mpc-&mpc-version;.tar.gz
-mv -v mpc-&mpc-version; mpc</userinput></screen>
+<screen><userinput remap="pre">cat gcc/limitx.h gcc/glimits.h gcc/limity.h
> \
+ `dirname $($LFS_TGT-gcc
-print-libgcc-file-name)`/include-fixed/limits.h</userinput></screen>
+<!--
+ <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 =$/& -fomit-frame-pointer/' gcc/Makefile.in ;;
+esac</userinput></screen>
+-->
<para>Create a separate build directory again:</para>
<screen><userinput remap="pre">mkdir -v build
--
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