From 3f0c882398e626cd92503b1bd964a32e89f818dc Mon Sep 17 00:00:00 2001 From: Manuel Canales Esparcia Date: Tue, 21 Dec 2004 19:38:32 +0000 Subject: Removed the text in chapter 06. git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@4446 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689 --- chapter06/gcc.xml | 135 +++++------------------------------------------------- 1 file changed, 11 insertions(+), 124 deletions(-) (limited to 'chapter06/gcc.xml') diff --git a/chapter06/gcc.xml b/chapter06/gcc.xml index 06dcd5c0e..71eda302d 100644 --- a/chapter06/gcc.xml +++ b/chapter06/gcc.xml @@ -10,8 +10,6 @@ GCC -<para>The GCC package contains the GNU compiler collection, which includes -the C and C++ compilers.</para> <segmentedlist> <segtitle>&buildtime;</segtitle> @@ -19,47 +17,24 @@ the C and C++ compilers.</para> <seglistitem><seg>11.7 SBU</seg><seg>294 MB</seg></seglistitem> </segmentedlist> -<segmentedlist> -<segtitle>GCC installation depends on</segtitle> -<seglistitem><seg>Bash, Binutils, Coreutils, Diffutils, Findutils, -Gawk, Gettext, Glibc, Grep, Make, Perl, Sed, Texinfo</seg></seglistitem> -</segmentedlist> </sect2> <sect2 role="installation"> <title>Installation of GCC -This package is known to behave badly when you have changed its -default optimization flags (including the -march and -mcpu options). -Therefore, if you have defined any environment variables that override -default optimizations, such as CFLAGS and CXXFLAGS, we recommend un-setting -or modifying them when building GCC. - -Unpack the GCC-core and the GCC-g++ tarball -- they -will unfold into the same directory. You should likewise extract the -GCC-testsuite package. The full GCC package contains even more -compilers. Instructions for building these can be found at -. - -First apply only the No-Fixincludes patch (and not -the Specs patch) also used in the previous chapter: +Apply a patch: patch -Np1 -i ../gcc-&gcc-version;-no_fixincludes-1.patch -GCC fails to compile some packages outside of a base Linux From Scratch -install (e.g., Mozilla and kdegraphics) when used in conjunction with newer -versions of binutils. Apply the following patch to fix this issue: +Apply another patch: patch -Np1 -i ../gcc-&gcc-version;-linkonce-1.patch -Now apply a sed substitution that will suppress the installation of -libiberty.a. We want to use the version of -libiberty.a provided by Binutils: +Apply a sed substitution: sed -i 's/install_to_$(INSTALL_DEST) //' libiberty/Makefile.in -The GCC documentation recommends building GCC outside of the source -directory in a dedicated build directory: +Create a build directory: mkdir ../gcc-build cd ../gcc-build @@ -74,122 +49,34 @@ cd ../gcc-build make -The test suite for GCC in this section is considered -critical. Our advice is to not skip it under any -circumstance. - -Test the results, but don't stop at errors (you'll remember the few -known ones): +Test the results): make -k check The test suite notes from are still very -much appropriate here. Be sure to refer back there should you have any -doubts. +much appropriate here. Now install the package: make install -Some packages expect the C PreProcessor to be installed in the -/lib directory. -To support those packages, create this symlink: +Create this symlink: ln -s ../usr/bin/cpp /lib -Many packages use the name cc to call the C -compiler. To satisfy those packages, create a symlink: +Create another symlink: ln -s gcc /usr/bin/cc -At this point it is strongly recommended to repeat the sanity check -we performed earlier in this chapter. Refer back to - and repeat the check. If the results -are wrong, then most likely you erroneously applied the GCC Specs patch from -. +Refer back to +and repeat the check. Contents of GCC - -Installed programs -Installed libraries -c++, cc (link to gcc), -cc1, cc1plus, collect2, cpp, g++, gcc, gccbug, and gcov -libgcc.a, libgcc_eh.a, libgcc_s.so, libstdc++.[a,so] and libsupc++.a - - -Short descriptions - - -cpp - -cpp -is the C preprocessor. It is used by the compiler to have the #include and -#define and such statements expanded in the source files. - - - - -g++ - -g++ -is the C++ compiler. - - - - -gcc - -gcc -is the C compiler. It is used to translate -the source code of a program into assembly code. - - - - -gccbug - -gccbug -is a shell script used to help create good bug reports. - - - - -gcov - -gcov -is a coverage testing tool. It is used to -analyze programs to find out where optimizations will have the most effect. - - - - -libgcc* - -libgcc* -contains run-time support for gcc. - - - - -libstdc++ - -libstdc++ -is the standard C++ library. It contains many frequently-used functions. - - - - -libsupc++ - -libsupc++ -provides supporting routines for the c++ programming language. - - - +See testing -- cgit v1.2.3-54-g00ecf