diff options
author | Matthew Burgess <matthew@linuxfromscratch.org> | 2010-01-26 18:17:27 +0000 |
---|---|---|
committer | Matthew Burgess <matthew@linuxfromscratch.org> | 2010-01-26 18:17:27 +0000 |
commit | ff9fa3c0645245ab6d9ec6801460e2d4a91dad80 (patch) | |
tree | 9e84b2ff53d70ff8213c44430cd8c979c570f8df /chapter05 | |
parent | d8d272bb3ec09b21fdc25b8a5365d7aa26b42856 (diff) |
Clarify the use of autoconf variables to ensure forced-unwind and C-cleanup support in chapter 5's Glibc. Fixes #2543.
git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@9163 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689
Diffstat (limited to 'chapter05')
-rw-r--r-- | chapter05/glibc.xml | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/chapter05/glibc.xml b/chapter05/glibc.xml index e3a5b6ee8..862a09f5a 100644 --- a/chapter05/glibc.xml +++ b/chapter05/glibc.xml @@ -120,17 +120,21 @@ esac</userinput></screen> <varlistentry> <term><parameter>libc_cv_forced_unwind=yes</parameter></term> <listitem> - <para>The build requires support for forced unwind, but because it is - being cross compiled, it cannot auto detect it. Setting this variable - on the command line explicitly tells the - <command>configure</command> script that support is available.</para> + <para>The linker installed during + <xref linkend="ch-tools-binutils-pass1"/> was cross-compiled and as + such cannot be used until Glibc has been installed. This means that + the configure test for force-unwind support will fail, as it relies on + a working linker. The libc_cv_forced_unwind=yes variable is passed in + order to inform <command>configure</command> that force-unwind + support is available without it having to run the test.</para> </listitem> </varlistentry> <varlistentry> <term><parameter>libc_cv_c_cleanup=yes</parameter></term> <listitem> - <para>The build also requires support for C cleanup handling, which it - cannot auto detect when being cross compiled. Enable it explicitly.</para> + <para>Simlarly, we pass libc_cv_c_cleanup=yes through to the + <command>configure</command> script so that the test is skipped and C + cleanup handling support is configured.</para> </listitem> </varlistentry> |