source: chapter05/gcc-exp.xml@ 591fc2c

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Last change on this file since 591fc2c was b8e6552, checked in by Timothy Bauscher <timothy@…>, 22 years ago

Replaced nofixincludes patch (it doesn't apply cleanly) with a (more appropriate) sed command.

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@2152 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

  • Property mode set to 100644
File size: 1.4 KB
RevLine 
[6370fa6]1<sect2>
2<title>Command explanations</title>
3
[6f9d1a9]4<para><userinput>patch -Np1 -i ../gcc-&gcc-patch-version;.patch:</userinput>
[b6eccac]5This patch fixes a few bugs. In particular it contains the "copy fix" and
6"var fix" documented at
7<ulink url="http://www.zipworld.com.au/~gschafer/lfs-tweaks.html"/>.</para>
[f065b089]8
[b8e6552]9<para><userinput>sed '/$(SHELL) .\/fixinc.sh/d':</userinput>
10This prevents the fixincludes script from running.</para>
[ab46b4e]11
[2c094d6]12<para><userinput>--prefix=/static:</userinput> This is NOT a typo. GCC hard
[da20dc6]13codes some paths while compiling and so we need to pass /static as the
[2c094d6]14prefix during ./configure. We pass the real install prefix during the
[f36a666]15make install command later.</para>
16
[bc8b8a6]17<para><userinput>--enable-languages=c:</userinput> This builds the C
[26e62aa]18compiler. The C++ compiler will be built in Chapter 6, when we rebuild
[bc8b8a6]19GCC. Other compilers are available as well. If they are needed,
20the --enable-languages parameter may be omitted.</para>
[6370fa6]21
[5ebcbcc]22<para><userinput>echo "#define HAVE_GAS_HIDDEN 1":</userinput>
23This defines the .hidden assembler directive so that we don't build
24a faulty Glibc later on.</para>
[6f9d1a9]25
26<para><userinput>make BOOT_LDFLAGS=-static:</userinput>
27This is the equivalent to make LDFLAGS=-static as we use with other
28packages to compile them statically.</para>
[fde5bc7]29
[c18d261]30<para><userinput>ln -s gcc $LFS/static/bin/cc:</userinput> This
[695ae0bc]31creates the $LFS/static/bin/gcc symlink, which some packages need.</para>
[6370fa6]32
33</sect2>
34
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