source: chapter05/gcc-inst.xml@ 766fc82

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 6.0 6.1 6.1.1 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 v4_0 v4_1 v5_0 v5_1 v5_1_1 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
Last change on this file since 766fc82 was fd132b0, checked in by Gerard Beekmans <gerard@…>, 22 years ago

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git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@1871 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

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1<sect2>
2<title>Installation of GCC</title>
3
4<para>This package requires its patch to be applied before you can
5install it. Make sure it's unpacked before running the installation
6commands.</para>
7
8<para>This package is known to behave badly when you have changed its
9default optimization flags (including the -march and -mcpu options). GCC is
10best left alone. Therefore, if you have defined any environment variables
11that override default optimizations, such as CFLAGS and CXXFLAGS, we
12recommend unsetting or modifying them when building GCC. You have
13been warned.</para>
14
15<para>Install GCC by running the following commands:</para>
16
17<para><screen><userinput>patch -Np1 -i ../gcc-&gcc-patch-version;.patch &amp;&amp;
18mkdir ../gcc-build &amp;&amp;
19cd ../gcc-build &amp;&amp;
20../gcc-&gcc-version;/configure --prefix=/usr --enable-languages=c,c++ \
21&nbsp;&nbsp;&nbsp;--disable-nls --disable-shared --enable-threads=posix &amp;&amp;
22make BOOT_LDFLAGS=-static bootstrap &amp;&amp;
23make prefix=$LFS/usr install &amp;&amp;
24ln -sf ../usr/bin/cpp $LFS/lib &amp;&amp;
25ln -sf ../bin/cpp $LFS/usr/lib &amp;&amp;
26ln -sf gcc $LFS/usr/bin/cc &amp;&amp;
27rmdir $LFS/usr/*-gnu/include &amp;&amp;
28rmdir $LFS/usr/*-gnu</userinput></screen></para>
29
30</sect2>
31
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