diff options
Diffstat (limited to 'chapter05/glibc.xml')
| -rw-r--r-- | chapter05/glibc.xml | 62 |
1 files changed, 24 insertions, 38 deletions
diff --git a/chapter05/glibc.xml b/chapter05/glibc.xml index 3252c5a10..f8063f204 100644 --- a/chapter05/glibc.xml +++ b/chapter05/glibc.xml @@ -43,11 +43,6 @@ <sect2 role="installation"> <title>Installation of Glibc</title> - <para>Fix a potential issue if <filename>/etc/ld.so.preload</filename> is - used on the host system.</para> - -<screen><userinput remap="pre">sed -i 's@/etc/ld.so.preload@/tools/etc/ld.so.preload@' elf/rtld.c</userinput></screen> - <para>The Glibc documentation recommends building Glibc outside of the source directory in a dedicated build directory:</para> @@ -71,15 +66,24 @@ esac</userinput></screen> <para>Next, prepare Glibc for compilation:</para> <screen><userinput remap="configure">../glibc-&glibc-version;/configure --prefix=/tools \ + --host=$LFS_TGT --build=$(../glibc-&glibc-version;/scripts/config.guess) \ --disable-profile --enable-add-ons \ - --enable-kernel=2.6.0 --with-binutils=/tools/bin \ - --without-gd --with-headers=/tools/include \ - --without-selinux</userinput></screen> + --enable-kernel=2.6.0 --with-headers=/tools/include \ + libc_cv_forced_unwind=yes libc_cv_c_cleanup=yes</userinput></screen> <variablelist> <title>The meaning of the configure options:</title> <varlistentry> + <term><parameter>--host=$LFS_TGT, --build=$(../glibc-&glibc-version;/scripts/config.guess)</parameter></term> + <listitem> + <para>The combined effect of these switches is that Glibc's build system + configures itself to cross-compile, using the cross-linker and + cross-compiler in <filename class="directory">/tools</filename>.</para> + </listitem> + </varlistentry> + + <varlistentry> <term><parameter>--disable-profile</parameter></term> <listitem> <para>This builds the libraries without profiling information. Omit @@ -104,24 +108,6 @@ esac</userinput></screen> </varlistentry> <varlistentry> - <term><parameter>--with-binutils=/tools/bin</parameter></term> - <listitem> - <para>While not required, this switch ensures that there are - no errors pertaining to which Binutils programs get used during the - Glibc build.</para> - </listitem> - </varlistentry> - - <varlistentry> - <term><parameter>--without-gd</parameter></term> - <listitem> - <para>This prevents the build of the <command>memusagestat</command> - program, which insists on linking against the host's libraries - (libgd, libpng, libz, etc.).</para> - </listitem> - </varlistentry> - - <varlistentry> <term><parameter>--with-headers=/tools/include</parameter></term> <listitem> <para>This tells Glibc to compile itself against the headers recently @@ -131,12 +117,19 @@ esac</userinput></screen> </varlistentry> <varlistentry> - <term><parameter>--without-selinux</parameter></term> + <term><parameter>libc_cv_forced_unwind=yes</parameter></term> <listitem> - <para>When building from hosts that include SELinux functionality - (e.g., Fedora Core 3), Glibc will build with support for SELinux. - As the LFS tools environment does not contain support for SELinux, a - Glibc compiled with such support will fail to operate correctly.</para> + <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 configure script that support + is available.</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> </listitem> </varlistentry> @@ -167,13 +160,6 @@ esac</userinput></screen> <para>This package does come with a test suite, however, it cannot be run at this time because we do not have a C++ compiler yet.</para> - <para>The install stage of Glibc will issue a harmless warning at the - end about the absence of <filename>/tools/etc/ld.so.conf</filename>. - Prevent this warning with:</para> - -<screen><userinput remap="install">mkdir -v /tools/etc -touch /tools/etc/ld.so.conf</userinput></screen> - <para>Install the package:</para> <screen><userinput remap="install">make install</userinput></screen> |