Changeset 73aedd1d for chapter06/gcc-2953.xml
- Timestamp:
- 11/01/2003 10:31:50 PM (21 years ago)
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chapter06/gcc-2953.xml
r0b400add r73aedd1d 6 6 Estimated required disk space: &gcc-2953-compsize;</screen> 7 7 8 &c6-gcc-2953-inst; 8 9 <sect2><title> </title><para> </para></sect2> 10 11 <sect2> 12 <title>Installation of GCC</title> 13 14 <para>This package is known to behave badly when you have changed its 15 default optimization flags (including the -march and -mcpu options). 16 Therefore, if you have defined any environment variables that override 17 default optimizations, such as CFLAGS and CXXFLAGS, we recommend unsetting 18 or modifying them when building GCC.</para> 19 20 <para>This is an older release of GCC which we are going to install for the 21 purpose of compiling the Linux kernel in <xref linkend="chapter08"/>. This 22 version is recommended 23 by the kernel developers when you need absolute stability. Later versions of 24 GCC have not received as much testing for Linux kernel compilation. Using a 25 later version is likely to work, however, we recommend adhering to the kernel 26 developer's advice and using the version here to compile your kernel.</para> 27 28 <note><para>We don't install the C++ compiler or libraries here. However, there 29 may be reasons why you would want to install them. More information can be found 30 at <ulink url="&blfs-root;view/stable/general/gcc2.html"/>.</para></note> 31 32 <para>We'll install this older release of GCC into the non-standard prefix of 33 <filename class="directory">/opt</filename> so as to avoid interfering with 34 the system GCC already installed in <filename class="directory">/usr</filename> 35 .</para> 36 37 <para>Apply the patches and make a small adjustment:</para> 38 39 <screen><userinput>patch -Np1 -i ../&gcc-2953-patch; 40 patch -Np1 -i ../&gcc-2953-no-fixinc-patch; 41 patch -Np1 -i ../&gcc-2953-returntype-fix-patch; 42 echo timestamp > gcc/cstamp-h.in</userinput></screen> 43 44 <para>The GCC documentation recommends building GCC outside of the source 45 directory in a dedicated build directory:</para> 46 47 <screen><userinput>mkdir ../gcc-2-build 48 cd ../gcc-2-build</userinput></screen> 49 50 <para>Compile and install gcc:</para> 51 52 <screen><userinput>../gcc-2.95.3/configure --prefix=/opt/gcc-2.95.3 \ 53 --enable-shared --enable-languages=c \ 54 --enable-threads=posix 55 make bootstrap 56 make install</userinput></screen> 57 58 </sect2> 9 59 10 60 </sect1>
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