diff options
-rw-r--r-- | chapter05/libstdc++.xml | 8 | ||||
-rw-r--r-- | chapter06/gcc-pass2.xml | 56 | ||||
-rw-r--r-- | chapter07/chapter07.xml | 1 | ||||
-rw-r--r-- | chapter07/libstdc++-pass2.xml | 120 | ||||
-rw-r--r-- | chapter08/adjusting.xml | 126 | ||||
-rw-r--r-- | chapter08/gcc.xml | 99 | ||||
-rw-r--r-- | chapter08/iproute2.xml | 2 | ||||
-rw-r--r-- | chapter08/tcl.xml | 19 |
8 files changed, 81 insertions, 350 deletions
diff --git a/chapter05/libstdc++.xml b/chapter05/libstdc++.xml index 5a70026ed..66f17fcd8 100644 --- a/chapter05/libstdc++.xml +++ b/chapter05/libstdc++.xml @@ -5,8 +5,8 @@ %general-entities; ]> -<sect1 id="ch-tools-libstdcpp-pass1" role="wrap"> - <?dbhtml filename="gcc-libstdc++-pass1.html"?> +<sect1 id="ch-tools-libstdcpp" role="wrap"> + <?dbhtml filename="gcc-libstdc++.html"?> <sect1info condition="script"> <productname>gcc-libstdc++</productname> @@ -14,9 +14,9 @@ <address>&gcc-url;</address> </sect1info> - <title>Libstdc++ from GCC-&gcc-version;, Pass 1</title> + <title>Libstdc++ from GCC-&gcc-version;</title> - <indexterm zone="ch-tools-libstdcpp-pass1"> + <indexterm zone="ch-tools-libstdcpp"> <primary sortas="a-GCC">GCC</primary> <secondary>tools, libstdc++ pass 1</secondary> </indexterm> diff --git a/chapter06/gcc-pass2.xml b/chapter06/gcc-pass2.xml index bf3007848..d76b9d9af 100644 --- a/chapter06/gcc-pass2.xml +++ b/chapter06/gcc-pass2.xml @@ -62,23 +62,24 @@ mv -v mpc-&mpc-version; mpc</userinput></screen> sed -e '/m64=/s/lib64/lib/' -i.orig gcc/config/i386/t-linux64 ;; esac</userinput></screen> -<!-- - <para>Fix an issue with GCC-10.1 when building with a cross - compiler:</para> -<screen><userinput remap="pre">patch -Np1 -i ../&gcc-cross-patch;</userinput></screen> ---> + <!-- https://gcc.gnu.org/PR100017 --> + <para>Fix an issue causing failure cross-compiling libstdc++:</para> + +<screen><userinput remap="pre">sed 's/gnu++17/& -nostdinc++/' \ + -i libstdc++-v3/src/c++17/Makefile.in</userinput></screen> + + <para>Override the building rule of libgcc and libstdc++ headers, to + allow building these libraries with POSIX threads support:</para> + +<screen><userinput remap="pre">sed '/thread_header =/s/@.*@/gthr-posix.h/' \ + -i libgcc/Makefile.in libstdc++-v3/include/Makefile.in</userinput></screen> + <para>Create a separate build directory again:</para> <screen><userinput remap="pre">mkdir -v build cd build</userinput></screen> - <para>Create a symlink that allows libgcc to be built with posix threads - support:</para> - -<screen><userinput remap="pre">mkdir -pv $LFS_TGT/libgcc -ln -s ../../../libgcc/gthr-posix.h $LFS_TGT/libgcc/gthr-default.h</userinput></screen> - <para>Before starting to build GCC, remember to unset any environment variables that override the default optimization flags.</para> @@ -87,8 +88,9 @@ ln -s ../../../libgcc/gthr-posix.h $LFS_TGT/libgcc/gthr-default.h</userinput></s <screen><userinput remap="configure">../configure \ --build=$(../config.guess) \ --host=$LFS_TGT \ + --target=$LFS_TGT \ + LDFLAGS_FOR_TARGET=-L$PWD/$LFS_TGT/libgcc \ --prefix=/usr \ - CC_FOR_TARGET=$LFS_TGT-gcc \ --with-build-sysroot=$LFS \ --enable-initfini-array \ --disable-nls \ @@ -99,14 +101,13 @@ ln -s ../../../libgcc/gthr-posix.h $LFS_TGT/libgcc/gthr-default.h</userinput></s --disable-libquadmath \ --disable-libssp \ --disable-libvtv \ - --disable-libstdcxx \ --enable-languages=c,c++</userinput></screen> <variablelist> <title>The meaning of the new configure options:</title><!-- WIP --> <varlistentry> - <term><parameter>-with-build-sysroot=$LFS</parameter></term> + <term><parameter>--with-build-sysroot=$LFS</parameter></term> <listitem> <para>Normally, using <parameter>--host</parameter> ensures that a cross-compiler is used for building GCC, and that compiler knows @@ -119,6 +120,33 @@ ln -s ../../../libgcc/gthr-posix.h $LFS_TGT/libgcc/gthr-default.h</userinput></s </varlistentry> <varlistentry> + <term><parameter>--target=$LFS_TGT</parameter></term> + <listitem> + <para>As we are cross-compiling GCC, it's impossible to build + target libraries (<filename class="libraryfile">libgcc</filename> + and <filename class="libraryfile">libstdc++</filename>) with the + compiled GCC binaries because these binaries won't run on the + host distro. GCC building system will attempt to use the + C and C++ compilers on the host distro as a workaround by default. + It's not supported to build GCC target libraries with a different + version of GCC, so using host compilers may cause building + failure. This parameter ensures to build the libraries with GCC + pass 1 and prevent the issue.</para> + </listitem> + </varlistentry> + + <varlistentry> + <term><parameter>LDFLAGS_FOR_TARGET=...</parameter></term> + <listitem> + <para>Allow <filename class="libraryfile">libstdc++</filename> to + use shared <filename class="libraryfile">libgcc</filename> being + built in this pass, instead of the static version built in GCC + pass 1. This is needed for supporting C++ exception + handling.</para> + </listitem> + </varlistentry> + + <varlistentry> <term><parameter>--enable-initfini-array</parameter></term> <listitem> <para>This option is automatically enabled when building a native diff --git a/chapter07/chapter07.xml b/chapter07/chapter07.xml index 8c78f230a..362980dda 100644 --- a/chapter07/chapter07.xml +++ b/chapter07/chapter07.xml @@ -17,7 +17,6 @@ <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="chroot.xml"/> <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="creatingdirs.xml"/> <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="createfiles.xml"/> - <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="libstdc++-pass2.xml"/> <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="gettext.xml"/> <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="bison.xml"/> <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="perl.xml"/> diff --git a/chapter07/libstdc++-pass2.xml b/chapter07/libstdc++-pass2.xml deleted file mode 100644 index 35b5a8baf..000000000 --- a/chapter07/libstdc++-pass2.xml +++ /dev/null @@ -1,120 +0,0 @@ -<?xml version="1.0" encoding="ISO-8859-1"?> -<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN" - "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [ - <!ENTITY % general-entities SYSTEM "../general.ent"> - %general-entities; -]> - -<sect1 id="ch-tools-libstdcpp-pass2" role="wrap"> - <?dbhtml filename="gcc-libstdc++-pass2.html"?> - - <sect1info condition="script"> - <productname>gcc-libstdc++</productname> - <productnumber>&gcc-version;</productnumber> - <address>&gcc-url;</address> - </sect1info> - - <title>Libstdc++ from GCC-&gcc-version;, Pass 2</title> - - <indexterm zone="ch-tools-libstdcpp-pass2"> - <primary sortas="a-GCC">GCC</primary> - <secondary>tools, libstdc++ pass 2</secondary> - </indexterm> - - <sect2 role="package"> - <title/> - - <para>When building <xref linkend="ch-tools-gcc-pass2"/> we had to defer - the installation of the C++ standard library because no suitable compiler - was available to compile it. We could not use the compiler built in that - section because it is a native compiler and should not be used outside of - chroot and risks polluting the libraries with some host components.</para> - - <segmentedlist> - <segtitle>&buildtime;</segtitle> - <segtitle>&diskspace;</segtitle> - - <seglistitem> - <seg>&libstdcpp-tmpp2-sbu;</seg> - <seg>&libstdcpp-tmpp2-du;</seg> - </seglistitem> - </segmentedlist> - - </sect2> - - <sect2 role="installation"> - <title>Installation of Target Libstdc++</title> - - <note> - <para><application>Libstdc++</application> is part of the GCC sources. - You should first unpack the GCC tarball and change to the - <filename>gcc-&gcc-version;</filename> directory.</para> - </note> - - <para>Create a link which exists when building libstdc++ in the gcc tree:</para> - -<screen><userinput remap="pre">ln -s gthr-posix.h libgcc/gthr-default.h</userinput></screen> - - <para>Create a separate build directory for libstdc++ and enter it:</para> - -<screen><userinput remap="pre">mkdir -v build -cd build</userinput></screen> - - <para>Prepare libstdc++ for compilation:</para> - -<screen><userinput remap="configure">../libstdc++-v3/configure \ - CXXFLAGS="-g -O2 -D_GNU_SOURCE" \ - --prefix=/usr \ - --disable-multilib \ - --disable-nls \ - --host=$(uname -m)-lfs-linux-gnu \ - --disable-libstdcxx-pch</userinput></screen> - - <variablelist> - <title>The meaning of the configure options:</title> - - <varlistentry> - <term><parameter>CXXFLAGS="-g -O2 -D_GNU_SOURCE"</parameter></term> - <listitem> - <para>These flags are passed by the top level Makefile when doing - a full build of GCC.</para> - </listitem> - </varlistentry> - - <varlistentry> - <term><parameter>--host=$(uname -m)-lfs-linux-gnu</parameter></term> - <listitem> - <para>We have to mimic what would happen if this package were built - as part of a full compiler build. This switch would be passed to - configure by GCC's build machinery.</para> - </listitem> - </varlistentry> - - <varlistentry> - <term><parameter>--disable-libstdcxx-pch</parameter></term> - <listitem> - <para>This switch prevents the installation of precompiled - include files, which are not needed at this stage.</para> - </listitem> - </varlistentry> - - </variablelist> - - <para>Compile libstdc++ by running:</para> - -<screen><userinput remap="make">make</userinput></screen> - - <para>Install the library:</para> - -<screen><userinput remap="install">make install</userinput></screen> - - </sect2> - - <sect2 role="content"> - <title/> - - <para>Details on this package are located in <xref linkend="contents-gcc" role="."/></para> - - </sect2> - -</sect1> diff --git a/chapter08/adjusting.xml b/chapter08/adjusting.xml deleted file mode 100644 index 7d01dcfb6..000000000 --- a/chapter08/adjusting.xml +++ /dev/null @@ -1,126 +0,0 @@ -<?xml version="1.0" encoding="ISO-8859-1"?> -<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN" - "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [ - <!ENTITY % general-entities SYSTEM "../general.ent"> - %general-entities; -]> - -<sect1 id="ch-system-adjusting"> - <?dbhtml filename="adjusting.html"?> - - <title>Adjusting the Toolchain</title> - - <para>Now that the final C libraries have been installed, it is time to adjust - the toolchain so that it will link any - newly compiled program against these new libraries.</para> - - <para>First, backup the <filename class="directory">/tools</filename> linker, - and replace it with the adjusted linker we made in chapter 5. We'll also create - a link to its counterpart in - <filename class="directory">/tools/$(uname -m)-pc-linux-gnu/bin</filename>:</para> - -<screen><userinput>mv -v /tools/bin/{ld,ld-old} -mv -v /tools/$(uname -m)-pc-linux-gnu/bin/{ld,ld-old} -mv -v /tools/bin/{ld-new,ld} -ln -sv /tools/bin/ld /tools/$(uname -m)-pc-linux-gnu/bin/ld</userinput></screen> - - <para>the next command amends the GCC specs file to achieve three goals: - first point GCC to the new dynamic linker. Simply deleting all instances of - <quote>/tools</quote> should leave us with the correct path to the dynamic - linker. Second, let GCC know where to find the Glibc start files. Third, - add the /usr/include directory at the end of the default search path, so - that header files added in chapter 6 are found. - A <command>sed</command> command accomplishes this:</para> - -<screen><userinput>gcc -dumpspecs | sed -e 's@/tools@@g' \ - -e '/\*startfile_prefix_spec:/{n;s@.*@/usr/lib/ @}' \ - -e '/\*cpp:/{n;s@$@ -idirafter /usr/include@}' > \ - `dirname $(gcc --print-libgcc-file-name)`/specs</userinput></screen> - - <para>It is a good idea to visually inspect the specs file to verify the - intended change was actually made.</para> - - <para>It is imperative at this point to ensure that the basic - functions (compiling and linking) of the adjusted toolchain are working - as expected. To do this, perform the following sanity checks:</para> - -<screen os="a"><userinput>echo 'int main(){}' > dummy.c -cc dummy.c -v -Wl,--verbose &> dummy.log -readelf -l a.out | grep ': /lib'</userinput></screen> - - <para os="b">There should be no errors, - and the output of the last command will be (allowing for - platform-specific differences in the dynamic linker name):</para> - -<screen os="c"><computeroutput>[Requesting program interpreter: /lib64/ld-linux-x86-64.so.2]</computeroutput></screen> - - <para>Note that on 64-bit systems <filename class="directory">/lib</filename> is - the location of our dynamic linker, but is accessed via a symbolic link - in /lib64.</para> - - <note><para>On 32-bit systems the interpreter should be - /lib/ld-linux.so.2.</para></note> - - <para os="d">Now make sure that we're setup to use the correct start files:</para> - -<screen os="e"><userinput>grep -o '/usr/lib.*/crt[1in].*succeeded' dummy.log</userinput></screen> - - <para os="f">The output of the last command should be:</para> - -<screen><computeroutput>/usr/lib/../lib/crt1.o succeeded -/usr/lib/../lib/crti.o succeeded -/usr/lib/../lib/crtn.o succeeded</computeroutput></screen> - - <para os="g">Verify that the compiler is searching for the correct header - files:</para> - -<screen><userinput>grep -B4 '^ /usr/include' dummy.log</userinput></screen> - - <para os="h">This command should return the following output:</para> - -<screen><computeroutput>#include <...> search starts here: - /tools/lib/gcc/x86_64-pc-linux-gnu/&gcc-version;/include - /tools/include - /tools/lib/gcc/x86_64-pc-linux-gnu/&gcc-version;/include-fixed - /usr/include</computeroutput></screen> - - <note><para>On a 32 bit system, x86_64 is replaced with i686.</para></note> - - <para os="i">Next, verify that the new linker is being used with the correct search paths:</para> - -<screen os="j"><userinput>grep 'SEARCH.*/usr/lib' dummy.log |sed 's|; |\n|g'</userinput></screen> - - <para os="k">References to paths that have components with '-linux-gnu' should - be ignored, but otherwise the output of the last command should be:</para> - -<screen><computeroutput>SEARCH_DIR("/usr/lib") -SEARCH_DIR("/lib")</computeroutput></screen> - - <para os="l">Next make sure that we're using the correct libc:</para> - -<screen os="m"><userinput>grep "/lib.*/libc.so.6 " dummy.log</userinput></screen> - - <para os="n">The output of the last command should be:</para> - -<screen os="o"><computeroutput>attempt to open /usr/lib/libc.so.6 succeeded</computeroutput></screen> - - <para os="p">Make sure GCC is using the correct dynamic linker:</para> - -<screen os="q"><userinput>grep found dummy.log</userinput></screen> - - <para os="r">The output of the last command should be (allowing for - platform-specific differences in dynamic linker name):</para> - -<screen os="s"><computeroutput>found ld-linux-x86-64.so.2 at /usr/lib/ld-linux-x86-64.so.2</computeroutput></screen> - - <para os="t">If the output does not appear as shown above or is not received - at all, then something is seriously wrong. Investigate and retrace the - steps to find out where the problem is and correct it. <!--The most likely - reason is that something went wrong with the specs file adjustment.--> Any - issues will need to be resolved before continuing with the process.</para> - - <para os="u">Once everything is working correctly, clean up the test files:</para> - -<screen os="v"><userinput>rm -v dummy.c a.out dummy.log</userinput></screen> - -</sect1> diff --git a/chapter08/gcc.xml b/chapter08/gcc.xml index cd3a9b9fe..4c62a8d17 100644 --- a/chapter08/gcc.xml +++ b/chapter08/gcc.xml @@ -197,29 +197,21 @@ rm -rf /usr/lib/gcc/$(gcc -dumpmachine)/&gcc-version;/include-fixed/bits/</useri that compiling and linking will work as expected. We do this by performing some sanity checks:</para> - <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" - href="adjusting.xml" - xpointer="xpointer(//*[@os='a'])"/> +<screen><userinput>echo 'int main(){}' > dummy.c +cc dummy.c -v -Wl,--verbose &> dummy.log +readelf -l a.out | grep ': /lib'</userinput></screen> - <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" - href="adjusting.xml" - xpointer="xpointer(//*[@os='b'])"/> + <para>There should be no errors, + and the output of the last command will be (allowing for + platform-specific differences in the dynamic linker name):</para> - <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" - href="adjusting.xml" - xpointer="xpointer(//*[@os='c'])"/> +<screen><computeroutput>[Requesting program interpreter: /lib64/ld-linux-x86-64.so.2]</computeroutput></screen> - <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" - href="adjusting.xml" - xpointer="xpointer(//*[@os='d'])"/> + <para>Now make sure that we're setup to use the correct start files:</para> - <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" - href="adjusting.xml" - xpointer="xpointer(//*[@os='e'])"/> +<screen><userinput>grep -o '/usr/lib.*/crt[1in].*succeeded' dummy.log</userinput></screen> - <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" - href="adjusting.xml" - xpointer="xpointer(//*[@os='f'])"/> + <para>The output of the last command should be:</para> <screen><computeroutput>/usr/lib/gcc/x86_64-pc-linux-gnu/&gcc-version;/../../../../lib/crt1.o succeeded /usr/lib/gcc/x86_64-pc-linux-gnu/&gcc-version;/../../../../lib/crti.o succeeded @@ -232,15 +224,12 @@ rm -rf /usr/lib/gcc/$(gcc -dumpmachine)/&gcc-version;/include-fixed/bits/</useri <filename>crt*.o</filename> files under the <filename class="directory">/usr/lib</filename> directory.</para> - <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" - href="adjusting.xml" - xpointer="xpointer(//*[@os='g'])"/> + <para>Verify that the compiler is searching for the correct header + files:</para> <screen><userinput>grep -B4 '^ /usr/include' dummy.log</userinput></screen> - <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" - href="adjusting.xml" - xpointer="xpointer(//*[@os='h'])"/> + <para>This command should return the following output:</para> <screen><computeroutput>#include <...> search starts here: /usr/lib/gcc/x86_64-pc-linux-gnu/&gcc-version;/include @@ -251,17 +240,12 @@ rm -rf /usr/lib/gcc/$(gcc -dumpmachine)/&gcc-version;/include-fixed/bits/</useri <para>Again, the directory named after your target triplet may be different than the above, depending on your system architecture.</para> - <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" - href="adjusting.xml" - xpointer="xpointer(//*[@os='i'])"/> + <para>Next, verify that the new linker is being used with the correct search paths:</para> - <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" - href="adjusting.xml" - xpointer="xpointer(//*[@os='j'])"/> +<screen><userinput>grep 'SEARCH.*/usr/lib' dummy.log |sed 's|; |\n|g'</userinput></screen> - <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" - href="adjusting.xml" - xpointer="xpointer(//*[@os='k'])"/> + <para>References to paths that have components with '-linux-gnu' should + be ignored, but otherwise the output of the last command should be:</para> <screen><computeroutput>SEARCH_DIR("/usr/x86_64-pc-linux-gnu/lib64") SEARCH_DIR("/usr/local/lib64") @@ -284,49 +268,32 @@ SEARCH_DIR("/usr/local/lib") SEARCH_DIR("/lib") SEARCH_DIR("/usr/lib");</computeroutput></screen> - <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" - href="adjusting.xml" - xpointer="xpointer(//*[@os='l'])"/> + <para>Next make sure that we're using the correct libc:</para> - <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" - href="adjusting.xml" - xpointer="xpointer(//*[@os='m'])"/> +<screen><userinput>grep "/lib.*/libc.so.6 " dummy.log</userinput></screen> - <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" - href="adjusting.xml" - xpointer="xpointer(//*[@os='n'])"/> + <para>The output of the last command should be:</para> - <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" - href="adjusting.xml" - xpointer="xpointer(//*[@os='o'])"/> +<screen><computeroutput>attempt to open /usr/lib/libc.so.6 succeeded</computeroutput></screen> - <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" - href="adjusting.xml" - xpointer="xpointer(//*[@os='p'])"/> + <para>Make sure GCC is using the correct dynamic linker:</para> - <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" - href="adjusting.xml" - xpointer="xpointer(//*[@os='q'])"/> +<screen><userinput>grep found dummy.log</userinput></screen> - <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" - href="adjusting.xml" - xpointer="xpointer(//*[@os='r'])"/> + <para>The output of the last command should be (allowing for + platform-specific differences in dynamic linker name):</para> - <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" - href="adjusting.xml" - xpointer="xpointer(//*[@os='s'])"/> +<screen><computeroutput>found ld-linux-x86-64.so.2 at /usr/lib/ld-linux-x86-64.so.2</computeroutput></screen> - <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" - href="adjusting.xml" - xpointer="xpointer(//*[@os='t'])"/> + <para>If the output does not appear as shown above or is not received + at all, then something is seriously wrong. Investigate and retrace the + steps to find out where the problem is and correct it. <!--The most likely + reason is that something went wrong with the specs file adjustment.--> Any + issues will need to be resolved before continuing with the process.</para> - <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" - href="adjusting.xml" - xpointer="xpointer(//*[@os='u'])"/> + <para>Once everything is working correctly, clean up the test files:</para> - <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" - href="adjusting.xml" - xpointer="xpointer(//*[@os='v'])"/> +<screen><userinput>rm -v dummy.c a.out dummy.log</userinput></screen> <para>Finally, move a misplaced file:</para> diff --git a/chapter08/iproute2.xml b/chapter08/iproute2.xml index d70aaa6bf..25e7e81be 100644 --- a/chapter08/iproute2.xml +++ b/chapter08/iproute2.xml @@ -61,7 +61,7 @@ rm -fv man/man8/arpd.8</userinput></screen> --> <para>Compile the package:</para> -<screen><userinput remap="make">make</userinput></screen> +<screen><userinput remap="make">make NETNS_RUN_DIR=/run/netns</userinput></screen> <para>This package does not have a working test suite.</para> <!-- currently not useful, no tests actually run diff --git a/chapter08/tcl.xml b/chapter08/tcl.xml index b71920eb3..cb13e3224 100644 --- a/chapter08/tcl.xml +++ b/chapter08/tcl.xml @@ -63,24 +63,7 @@ <screen><userinput remap="configure">SRCDIR=$(pwd) cd unix ./configure --prefix=/usr \ - --mandir=/usr/share/man \ - $([ "$(uname -m)" = x86_64 ] && echo --enable-64bit)</userinput></screen> - - <variablelist> - <title>The meaning of the configure options:</title> - - <varlistentry> - <term><parameter>$([ "$(uname -m)" = x86_64 ] && echo --enable-64bit)</parameter></term> - <listitem> - <para>The construct <parameter>$(<shell command>)</parameter> - is replaced by the output of the shell command. Here this output is - empty if running on a 32 bit machine, and is - <parameter>--enable-64bit</parameter> if running on a 64 bit machine. - </para> - </listitem> - </varlistentry> - - </variablelist> + --mandir=/usr/share/man</userinput></screen> <para>Build the package:</para> |