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| author | Xi Ruoyao <xry111@xry111.site> | 2022-10-08 14:44:47 +0800 |
|---|---|---|
| committer | Xi Ruoyao <xry111@xry111.site> | 2022-10-09 13:36:17 +0800 |
| commit | 28ae5f031c1da22a5cce63078e0f1474c288983f (patch) | |
| tree | 1ac6dc615b0f8251f3489b76f1ad8093b1d69e8b | |
| parent | 68588615e6a546bd7d5c9e5a6f0d91209217c799 (diff) | |
rust: gcc-pass2: allow gcc-pass1 to use pass2 libgcc and c++ header
It's a preparation for cross compiling LLVM.
| -rw-r--r-- | chapter06/gcc-pass2.xml | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/chapter06/gcc-pass2.xml b/chapter06/gcc-pass2.xml index 6774134a2..1b4eacba9 100644 --- a/chapter06/gcc-pass2.xml +++ b/chapter06/gcc-pass2.xml @@ -155,6 +155,26 @@ cd build</userinput></screen> <screen><userinput remap="install">make DESTDIR=$LFS install</userinput></screen> + <para> + Remove the libtool archive files because they are harmful for + cross compilation: + </para> + +<screen><userinput remap="install">rm -v $LFS/usr/lib/*.la</userinput></screen> + + <para> + Adjust GCC pass 1 so it will be able to use + <filename class="libraryfile">libgcc</filename> and C++ headers from + GCC pass 2. It's necessary for cross compiling LLVM: + </para> + +<screen><userinput remap="install">mv -v $LFS/tools/lib/gcc/$LFS_TGT/&gcc-version;/libgcc.a{,.old} +ln -sv $LFS/usr/lib/libgcc_s.so.1 \ + $LFS/tools/lib/gcc/$LFS_TGT/&gcc-version;/libgcc.a +mv -v $LFS/tools/$LFS_TGT/include/c++{,.old} +ln -sv $LFS/usr/include/c++ \ + $LFS/tools/$LFS_TGT/include/c++</userinput></screen> + <para>As a finishing touch, create a utility symlink. Many programs and scripts run <command>cc</command> instead of <command>gcc</command>, which is used to keep programs generic and therefore usable on all kinds of UNIX |