Changeset 9829329


Ignore:
Timestamp:
11/06/2005 06:47:51 PM (18 years ago)
Author:
Matthew Burgess <matthew@…>
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, 6.3, 6.4, 6.5, 6.6, 6.7, 6.8, 7.0, 7.1, 7.2, 7.3, 7.4, 7.5, 7.5-systemd, 7.6, 7.6-systemd, 7.7, 7.7-systemd, 7.8, 7.8-systemd, 7.9, 7.9-systemd, 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:
09043c0
Parents:
a5ebf89
Message:

Remove optimization related warnings from the toolchain packages

git-svn-id: ​http://svn.linuxfromscratch.org/LFS/trunk/BOOK@7131 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

Files:
10 edited

Legend:

Unmodified
Added
Removed

  • chapter01/changelog.xml

    ra5ebf89 r9829329  
    117117</listitem>
    118118
     119<listitem><para>November 6, 2005 [matt]: Remove the optimization related
     120warnings from the toolchain packages (bug 1650).</para></listitem>
     121
    119122<listitem><para>November 6, 2005 [matt]: Install Vim's documentation to
    120123<filename class="directory">/usr/share/doc/vim-&vim-version;</filename> instead

  • chapter05/binutils-pass1.xml

    ra5ebf89 r9829329  
    3434linker and assembler to determine which of their own features to
    3535enable.</para>
    36 
    37 <para>This package is known to have issues when its default
    38 optimization flags (including the <parameter>-march</parameter> and
    39 <parameter>-mcpu</parameter> options) are changed. If any environment
    40 variables that override default optimizations have been defined, such
    41 as <envar>CFLAGS</envar> and <envar>CXXFLAGS</envar>,
    42 unset them when building Binutils.</para>
    4336
    4437<para>The Binutils documentation recommends building Binutils outside of the

  • chapter05/binutils-pass2.xml

    ra5ebf89 r9829329  
    3333<sect2 role="installation">
    3434<title>Re-installation of Binutils</title>
    35 
    36 <para>This package is known to have issues when its default
    37 optimization flags (including the <parameter>-march</parameter> and
    38 <parameter>-mcpu</parameter> options) are changed. If any environment
    39 variables that override default optimizations have been defined, such
    40 as <envar>CFLAGS</envar> and <envar>CXXFLAGS</envar>,
    41 unset them when building Binutils.</para>
    4235
    4336<para>Create a separate build directory again:</para>

  • chapter05/gcc-pass1.xml

    ra5ebf89 r9829329  
    2929<sect2 role="installation">
    3030<title>Installation of GCC</title>
    31 
    32 <para>This package is known to have issues when its default
    33 optimization flags (including the <parameter>-march</parameter> and
    34 <parameter>-mcpu</parameter> options) are changed. If any environment
    35 variables that override default optimizations have been defined, such
    36 as <envar>CFLAGS</envar> and <envar>CXXFLAGS</envar>,
    37 unset them when building GCC.</para>
    3831
    3932<para>The GCC documentation recommends building GCC outside of the

  • chapter05/gcc-pass2.xml

    ra5ebf89 r9829329  
    2929<title>Re-installation of GCC</title>
    3030
    31 <para>This package is known to have issues when its default
    32 optimization flags (including the <parameter>-march</parameter> and
    33 <parameter>-mcpu</parameter> options) are changed. If any environment
    34 variables that override default optimizations have been defined, such
    35 as <envar>CFLAGS</envar> and <envar>CXXFLAGS</envar>,
    36 unset them when building GCC.</para>
    37 
    3831<para>The tools required to test GCC and Binutils&mdash;Tcl, Expect
    3932and DejaGNU&mdash;are installed now. GCC and Binutils can now be

  • chapter05/glibc.xml

    ra5ebf89 r9829329  
    2929<sect2 role="installation">
    3030<title>Installation of Glibc</title>
    31 
    32 <para>This package is known to have issues when its default
    33 optimization flags (including the <parameter>-march</parameter> and
    34 <parameter>-mcpu</parameter> options) are changed. If any environment
    35 variables that override default optimizations have been defined, such
    36 as <envar>CFLAGS</envar> and <envar>CXXFLAGS</envar>,
    37 unset them when building Glibc.</para>
    38 
    39 <para>It should be noted that compiling Glibc in any way other than
    40 the method suggested in this book puts the stability of the system at
    41 risk.</para>
    4231
    4332<para>The Glibc documentation recommends building Glibc outside of the source

  • chapter06/binutils.xml

    ra5ebf89 r9829329  
    3232<title>Installation of Binutils</title>
    3333
    34 <para>This package is known to have issues when its default
    35 optimization flags (including the <parameter>-march</parameter> and
    36 <parameter>-mcpu</parameter> options) are changed. If any environment
    37 variables that override default optimizations have been defined, such
    38 as <envar>CFLAGS</envar> and <envar>CXXFLAGS</envar>,
    39 unset them when building Binutils.</para>
    40 
    4134<para>Verify that the PTYs are working properly inside the chroot
    4235environment. Check that everything is set up correctly by performing a

  • chapter06/gcc.xml

    ra5ebf89 r9829329  
    3232<title>Installation of GCC</title>
    3333
    34 <para>This package is known to have issues when its default
    35 optimization flags (including the <parameter>-march</parameter> and
    36 <parameter>-mcpu</parameter> options) are changed. If any environment
    37 variables that override default optimizations have been defined, such
    38 as <envar>CFLAGS</envar> and <envar>CXXFLAGS</envar>,
    39 unset them when building GCC.</para>
    40 
    4134<para>Apply a <command>sed</command> substitution that will suppress the
    4235installation of <filename class="libraryfile">libiberty.a</filename>. The

  • chapter06/glibc.xml

    ra5ebf89 r9829329  
    4242convert from/to Unicode, therefore libiconv is not required on an LFS
    4343system.</para></note>
    44 
    45 <para>This package is known to have issues when its default
    46 optimization flags (including the <parameter>-march</parameter> and
    47 <parameter>-mcpu</parameter> options) are changed. If any environment
    48 variables that override default optimizations have been defined, such
    49 as <envar>CFLAGS</envar> and <envar>CXXFLAGS</envar>,
    50 unset them when building Glibc.</para>
    5144
    5245<para>The Glibc build system is self-contained and will install

  • chapter06/introduction.xml

    ra5ebf89 r9829329  
    3232does compile when using optimization, there is the risk it may have
    3333been compiled incorrectly because of the complex interactions between
    34 the code and build tools.  The small potential gains achieved in using
    35 compiler optimizations are often outweighed by the risks. First-time
    36 builders of LFS are encouraged to build without custom optimizations.
    37 The subsequent system will still run very fast and be stable at the
    38 same time.</para>
     34the code and build tools.  Also note that the <option>-march</option>
     35and <option>-mtune</option> options may cause problems with the
     36toolchain packages (Binutils, GCC and Glibc).  The small potential
     37gains achieved in using compiler optimizations are often outweighed by
     38the risks. First-time builders of LFS are encouraged to build without
     39custom optimizations.  The subsequent system will still run very fast
     40and be stable at the same time.</para>
    3941
    4042<para>The order that packages are installed in this chapter needs to
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