msgid "GCC-&gcc-version; - Pass 1" msgstr "GCC-&gcc-version; - 第一遍" #. type: Content of: <sect1><indexterm><primary> msgid "GCC" msgstr "GCC" #. type: Content of: <sect1><indexterm><secondary> msgid "tools, pass 1" msgstr "工具，第一遍" #. type: Content of: <sect1><sect2><segmentedlist><segtitle> msgid "&buildtime;" msgstr "&buildtime;" #. type: Content of: <sect1><sect2><segmentedlist><segtitle> msgid "&diskspace;" msgstr "&diskspace;" #. type: Content of: <sect1><sect2><segmentedlist><seglistitem><seg> msgid "&gcc-tmpp1-sbu;" msgstr "&gcc-tmpp1-sbu;" #. type: Content of: <sect1><sect2><segmentedlist><seglistitem><seg> msgid "&gcc-tmpp1-du;" msgstr "&gcc-tmpp1-du;" #. type: Content of: <sect1><sect2><title> msgid "Installation of Cross GCC" msgstr "安装交叉工具链中的 GCC" #. type: Content of: <sect1><sect2><para> msgid "" "GCC requires the GMP, MPFR and MPC packages. As these packages may not be " "included in your host distribution, they will be built with GCC. Unpack " "each package into the GCC source directory and rename the resulting " "directories so the GCC build procedures will automatically use them:" msgstr "" "GCC 依赖于 GMP、MPFR 和 MPC 这三个包。由于宿主发行版未必包含它们，我们将它们" "和 GCC 一同构建。将它们都解压到 GCC 源码目录中，并重命名解压出的目录，这样 " "GCC 构建过程就能自动使用它们：" #. type: Content of: <sect1><sect2><note><para> msgid "" "There are frequent misunderstandings about this chapter. The procedures are " "the same as every other chapter as explained earlier (<xref " "linkend='buildinstr'/>). First extract the gcc tarball from the sources " "directory and then change to the directory created. Only then should you " "proceed with the instructions below." msgstr "" "对于本章内容有一些很常见的误解。该软件包的构建过程就像之前 (<xref " "linkend='buildinstr'/>) 解释的那样，首先解压 GCC 压缩包，切换到解压出的目录" "中，再执行下面的命令。" #. type: Content of: <sect1><sect2><screen> #, no-wrap msgid "" "<userinput remap=\"pre\">tar -xf ../mpfr-&mpfr-version;.tar.xz\n" "mv -v mpfr-&mpfr-version; mpfr\n" "tar -xf ../gmp-&gmp-version;.tar.xz\n" "mv -v gmp-&gmp-version; gmp\n" "tar -xf ../mpc-&mpc-version;.tar.gz\n" "mv -v mpc-&mpc-version; mpc</userinput>" msgstr "" "<userinput remap=\"pre\">tar -xf ../mpfr-&mpfr-version;.tar.xz\n" "mv -v mpfr-&mpfr-version; mpfr\n" "tar -xf ../gmp-&gmp-version;.tar.xz\n" "mv -v gmp-&gmp-version; gmp\n" "tar -xf ../mpc-&mpc-version;.tar.gz\n" "mv -v mpc-&mpc-version; mpc</userinput>" #. type: Content of: <sect1><sect2><para> msgid "" "On x86_64 hosts, set the default directory name for 64-bit libraries to " "<quote>lib</quote>:" msgstr "" "对于 x86_64 平台，还要设置存放 64 位库的默认目录为 <quote>lib</quote>：" #. type: Content of: <sect1><sect2><screen> #, no-wrap msgid "" "<userinput remap=\"pre\">case $(uname -m) in\n" " x86_64)\n" " sed -e '/m64=/s/lib64/lib/' \\\n" " -i.orig gcc/config/i386/t-linux64\n" " ;;\n" "esac</userinput>" msgstr "" "<userinput remap=\"pre\">case $(uname -m) in\n" " x86_64)\n" " sed -e '/m64=/s/lib64/lib/' \\\n" " -i.orig gcc/config/i386/t-linux64\n" " ;;\n" "esac</userinput>" #. type: Content of: <sect1><sect2><para> msgid "" "The GCC documentation recommends building GCC in a dedicated build directory:" msgstr "GCC 文档建议在一个专用目录中构建 GCC：" #. type: Content of: <sect1><sect2><screen> #, no-wrap msgid "" "<userinput remap=\"pre\">mkdir -v build\n" "cd build</userinput>" msgstr "" "<userinput remap=\"pre\">mkdir -v build\n" "cd build</userinput>" #. type: Content of: <sect1><sect2><para> msgid "Prepare GCC for compilation:" msgstr "准备编译 GCC：" #. type: Content of: <sect1><sect2><screen> #, no-wrap msgid "" "<userinput remap=\"configure\">../configure \\\n" " --target=$LFS_TGT \\\n" " --prefix=$LFS/tools \\\n" " --with-glibc-version=2.11 \\\n" " --with-sysroot=$LFS \\\n" " --with-newlib \\\n" " --without-headers \\\n" " --enable-initfini-array \\\n" " --disable-nls \\\n" " --disable-shared \\\n" " --disable-multilib \\\n" " --disable-decimal-float \\\n" " --disable-threads \\\n" " --disable-libatomic \\\n" " --disable-libgomp \\\n" " --disable-libquadmath \\\n" " --disable-libssp \\\n" " --disable-libvtv \\\n" " --disable-libstdcxx \\\n" " --enable-languages=c,c++</userinput>" msgstr "" "<userinput remap=\"configure\">../configure \\\n" " --target=$LFS_TGT \\\n" " --prefix=$LFS/tools \\\n" " --with-glibc-version=2.11 \\\n" " --with-sysroot=$LFS \\\n" " --with-newlib \\\n" " --without-headers \\\n" " --enable-initfini-array \\\n" " --disable-nls \\\n" " --disable-shared \\\n" " --disable-multilib \\\n" " --disable-decimal-float \\\n" " --disable-threads \\\n" " --disable-libatomic \\\n" " --disable-libgomp \\\n" " --disable-libquadmath \\\n" " --disable-libssp \\\n" " --disable-libvtv \\\n" " --disable-libstdcxx \\\n" " --enable-languages=c,c++</userinput>" #. type: Content of: <sect1><sect2><variablelist><title> msgid "The meaning of the configure options:" msgstr "配置选项的含义：" #. type: Content of: <sect1><sect2><variablelist><varlistentry><term> msgid "<parameter>--with-glibc-version=2.11</parameter>" msgstr "<parameter>--with-glibc-version=2.11</parameter>" #. type: Content of: <sect1><sect2><variablelist><varlistentry><listitem><para> msgid "" "This option ensures the package will be compatible with the host's version " "of glibc. It is set to the minimum glibc requirement specified in the <xref " "linkend=\"ch-partitioning-hostreqs\"/>." msgstr "" "该选项确保该软件包与宿主的 glibc 版本兼容。它被设定为<xref linkend=\"ch-" "partitioning-hostreqs\"/>中要求的最小 glibc 版本一致。" #. type: Content of: <sect1><sect2><variablelist><varlistentry><term> msgid "<parameter>--with-newlib</parameter>" msgstr "<parameter>--with-newlib</parameter>" #. type: Content of: <sect1><sect2><variablelist><varlistentry><listitem><para> msgid "" "Since a working C library is not yet available, this ensures that the " "inhibit_libc constant is defined when building libgcc. This prevents the " "compiling of any code that requires libc support." msgstr "" "由于现在没有可用的 C 运行库，使用该选项保证构建 libgcc 时 inhibit_libc 常量被" "定义，以防止编译任何需要 libc 支持的代码。" #. type: Content of: <sect1><sect2><variablelist><varlistentry><term> msgid "<parameter>--without-headers</parameter>" msgstr "<parameter>--without-headers</parameter>" #. type: Content of: <sect1><sect2><variablelist><varlistentry><listitem><para> msgid "" "When creating a complete cross-compiler, GCC requires standard headers " "compatible with the target system. For our purposes these headers will not " "be needed. This switch prevents GCC from looking for them." msgstr "" "在创建完整的交叉编译器时，GCC 需要与目标系统兼容的标准头文件。由于我们的特殊" "目的，这些头文件并不必要。这个开关防止 GCC 查找它们。" #. type: Content of: <sect1><sect2><variablelist><varlistentry><term> msgid "<parameter>--enable-initfini-array</parameter>" msgstr "<parameter>--enable-initfini-array</parameter>" #. type: Content of: <sect1><sect2><variablelist><varlistentry><listitem><para> msgid "" "This switch forces the use of some internal data structures that are needed " "but cannot be detected when building a cross compiler." msgstr "" "这个开关强制启用一些内部数据结构，它们是必要的，但是在构建交叉编译器时，无法" "被检测到。" #. type: Content of: <sect1><sect2><variablelist><varlistentry><term> msgid "<parameter>--disable-shared</parameter>" msgstr "<parameter>--disable-shared</parameter>" #. type: Content of: <sect1><sect2><variablelist><varlistentry><listitem><para> msgid "" "This switch forces GCC to link its internal libraries statically. We need " "this because the shared libraries require glibc, which is not yet installed " "on the target system." msgstr "" "这个开关强制 GCC 静态链接它的内部库。我们必须这样做，因为动态库需要目标系统中" "尚未安装的 glibc。" #. type: Content of: <sect1><sect2><variablelist><varlistentry><term> msgid "<parameter>--disable-multilib</parameter>" msgstr "<parameter>--disable-multilib</parameter>" #. type: Content of: <sect1><sect2><variablelist><varlistentry><listitem><para> msgid "" "On x86_64, LFS does not support a multilib configuration. This switch is " "harmless for x86." msgstr "" "在 x86_64 平台上，LFS 不支持 multilib 配置。这个开关对于 x86 来说可有可无。" #. type: Content of: <sect1><sect2><variablelist><varlistentry><term> msgid "" "<parameter>--disable-decimal-float, --disable-threads, --disable-libatomic, " "--disable-libgomp, --disable-libquadmath, --disable-libssp, --disable-" "libvtv, --disable-libstdcxx</parameter>" msgstr "" "<parameter>--disable-decimal-float, --disable-threads, --disable-libatomic, " "--disable-libgomp, --disable-libquadmath, --disable-libssp, --disable-" "libvtv, --disable-libstdcxx</parameter>" #. type: Content of: <sect1><sect2><variablelist><varlistentry><listitem><para> msgid "" "These switches disable support for the decimal floating point extension, " "threading, libatomic, libgomp, libquadmath, libssp, libvtv, and the C++ " "standard library respectively. These features will fail to compile when " "building a cross-compiler and are not necessary for the task of cross-" "compiling the temporary libc." msgstr "" "这些开关禁用对于十进制浮点数、线程、libatomic、libgomp、 libquadmath、" "libssp、libvtv 和 C++ 标准库的支持。在构建交叉编译器时它们的编译会失败，而且" "在交叉编译临时 libc 时并不需要它们。" #. type: Content of: <sect1><sect2><variablelist><varlistentry><term> msgid "<parameter>--enable-languages=c,c++</parameter>" msgstr "<parameter>--enable-languages=c,c++</parameter>" #. type: Content of: <sect1><sect2><variablelist><varlistentry><listitem><para> msgid "" "This option ensures that only the C and C++ compilers are built. These are " "the only languages needed now." msgstr "这个选项保证只构建 C 和 C++ 编译器。目前只需要这两个语言。" #. type: Content of: <sect1><sect2><para> msgid "Compile GCC by running:" msgstr "执行以下命令编译 GCC：" #. type: Content of: <sect1><sect2><screen> #, no-wrap msgid "<userinput remap=\"make\">make</userinput>" msgstr "<userinput remap=\"make\">make</userinput>" #. type: Content of: <sect1><sect2><para> msgid "Install the package:" msgstr "安装该软件包：" #. type: Content of: <sect1><sect2><screen> #, no-wrap msgid "<userinput remap=\"install\">make install</userinput>" msgstr "<userinput remap=\"install\">make install</userinput>" #. type: Content of: <sect1><sect2><para> msgid "" "This build of GCC has installed a couple of internal system headers. " "Normally one of them, <filename>limits.h</filename>, would in turn include " "the corresponding system <filename>limits.h</filename> header, in this case, " "<filename>$LFS/usr/include/limits.h</filename>. However, at the time of this " "build of GCC <filename>$LFS/usr/include/limits.h</filename> does not exist, " "so the internal header that has just been installed is a partial, self-" "contained file and does not include the extended features of the system " "header. This is adequate for building glibc, but the full internal header " "will be needed later. Create a full version of the internal header using a " "command that is identical to what the GCC build system does in normal " "circumstances:" msgstr "" "刚刚构建的 GCC 安装了若干内部系统头文件。其中的 <filename>limits.h</" "filename> 一般来说，应该包含对应的系统头文件 <filename>limits.h</filename>，" "在我们的 LFS 环境中，就是 <filename>$LFS/usr/include/limits.h</filename>。然" "而，在构建 GCC 的时候，<filename>$LFS/usr/include/limits.h</filename> 还不存" "在，因此 GCC 安装的内部头文件是一个不完整的、自给自足的文件，不包含系统头文件" "提供的扩展特性。这对于构建临时的 libc 已经足够了，但后续工作将需要完整的内部" "头文件。使用以下命令创建一个完整版本的内部头文件，该命令与 GCC 构建系统在一般" "情况下生成该头文件的命令是一致的：" #. type: Content of: <sect1><sect2><screen> #, no-wrap msgid "" "<userinput remap=\"install\">cd ..\n" "cat gcc/limitx.h gcc/glimits.h gcc/limity.h > \\\n" " `dirname $($LFS_TGT-gcc -print-libgcc-file-name)`/install-tools/include/limits.h</userinput>" msgstr "" "<userinput remap=\"install\">cd ..\n" "cat gcc/limitx.h gcc/glimits.h gcc/limity.h > \\\n" " `dirname $($LFS_TGT-gcc -print-libgcc-file-name)`/install-tools/include/limits.h</userinput>" #. type: Content of: <sect1><sect2><para> msgid "" "Details on this package are located in <xref linkend=\"contents-gcc\" role=" "\".\"/>" msgstr "该软件包的更多细节在<xref linkend=\"contents-gcc\"/>可以找到。"

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#, no-wrap msgid "&gcc-url;" msgstr "&gcc-url;" #. type: Content of: msgid "" "gcc-pass1 &gcc-version; " msgstr "" "gcc-pass1 &gcc-version; " #. type: Content of: msgid "GCC-&gcc-version; - Pass 1" msgstr "GCC-&gcc-version; - 第一遍" #. type: Content of: <sect1><indexterm><primary> msgid "GCC" msgstr "GCC" #. type: Content of: <sect1><indexterm><secondary> msgid "tools, pass 1" msgstr "工具，第一遍" #. type: Content of: <sect1><sect2><segmentedlist><segtitle> msgid "&buildtime;" msgstr "&buildtime;" #. type: Content of: <sect1><sect2><segmentedlist><segtitle> msgid "&diskspace;" msgstr "&diskspace;" #. type: Content of: <sect1><sect2><segmentedlist><seglistitem><seg> msgid "&gcc-tmpp1-sbu;" msgstr "&gcc-tmpp1-sbu;" #. type: Content of: <sect1><sect2><segmentedlist><seglistitem><seg> msgid "&gcc-tmpp1-du;" msgstr "&gcc-tmpp1-du;" #. type: Content of: <sect1><sect2><title> msgid "Installation of Cross GCC" msgstr "安装交叉工具链中的 GCC" #. type: Content of: <sect1><sect2><para> msgid "" "GCC requires the GMP, MPFR and MPC packages. As these packages may not be " "included in your host distribution, they will be built with GCC. Unpack " "each package into the GCC source directory and rename the resulting " "directories so the GCC build procedures will automatically use them:" msgstr "" "GCC 依赖于 GMP、MPFR 和 MPC 这三个包。由于宿主发行版未必包含它们，我们将它们" "和 GCC 一同构建。将它们都解压到 GCC 源码目录中，并重命名解压出的目录，这样 " "GCC 构建过程就能自动使用它们：" #. type: Content of: <sect1><sect2><note><para> msgid "" "There are frequent misunderstandings about this chapter. The procedures are " "the same as every other chapter as explained earlier (<xref " "linkend='buildinstr'/>). First extract the gcc tarball from the sources " "directory and then change to the directory created. Only then should you " "proceed with the instructions below." msgstr "" "对于本章内容有一些很常见的误解。该软件包的构建过程就像之前 (<xref " "linkend='buildinstr'/>) 解释的那样，首先解压 GCC 压缩包，切换到解压出的目录" "中，再执行下面的命令。" #. type: Content of: <sect1><sect2><screen> #, no-wrap msgid "" "<userinput remap=\"pre\">tar -xf ../mpfr-&mpfr-version;.tar.xz\n" "mv -v mpfr-&mpfr-version; mpfr\n" "tar -xf ../gmp-&gmp-version;.tar.xz\n" "mv -v gmp-&gmp-version; gmp\n" "tar -xf ../mpc-&mpc-version;.tar.gz\n" "mv -v mpc-&mpc-version; mpc</userinput>" msgstr "" "<userinput remap=\"pre\">tar -xf ../mpfr-&mpfr-version;.tar.xz\n" "mv -v mpfr-&mpfr-version; mpfr\n" "tar -xf ../gmp-&gmp-version;.tar.xz\n" "mv -v gmp-&gmp-version; gmp\n" "tar -xf ../mpc-&mpc-version;.tar.gz\n" "mv -v mpc-&mpc-version; mpc</userinput>" #. type: Content of: <sect1><sect2><para> msgid "" "On x86_64 hosts, set the default directory name for 64-bit libraries to " "<quote>lib</quote>:" msgstr "" "对于 x86_64 平台，还要设置存放 64 位库的默认目录为 <quote>lib</quote>：" #. type: Content of: <sect1><sect2><screen> #, no-wrap msgid "" "<userinput remap=\"pre\">case $(uname -m) in\n" " x86_64)\n" " sed -e '/m64=/s/lib64/lib/' \\\n" " -i.orig gcc/config/i386/t-linux64\n" " ;;\n" "esac</userinput>" msgstr "" "<userinput remap=\"pre\">case $(uname -m) in\n" " x86_64)\n" " sed -e '/m64=/s/lib64/lib/' \\\n" " -i.orig gcc/config/i386/t-linux64\n" " ;;\n" "esac</userinput>" #. type: Content of: <sect1><sect2><para> msgid "" "The GCC documentation recommends building GCC in a dedicated build directory:" msgstr "GCC 文档建议在一个专用目录中构建 GCC：" #. type: Content of: <sect1><sect2><screen> #, no-wrap msgid "" "<userinput remap=\"pre\">mkdir -v build\n" "cd build</userinput>" msgstr "" "<userinput remap=\"pre\">mkdir -v build\n" "cd build</userinput>" #. type: Content of: <sect1><sect2><para> msgid "Prepare GCC for compilation:" msgstr "准备编译 GCC：" #. type: Content of: <sect1><sect2><screen> #, no-wrap msgid "" "<userinput remap=\"configure\">../configure \\\n" " --target=$LFS_TGT \\\n" " --prefix=$LFS/tools \\\n" " --with-glibc-version=2.11 \\\n" " --with-sysroot=$LFS \\\n" " --with-newlib \\\n" " --without-headers \\\n" " --enable-initfini-array \\\n" " --disable-nls \\\n" " --disable-shared \\\n" " --disable-multilib \\\n" " --disable-decimal-float \\\n" " --disable-threads \\\n" " --disable-libatomic \\\n" " --disable-libgomp \\\n" " --disable-libquadmath \\\n" " --disable-libssp \\\n" " --disable-libvtv \\\n" " --disable-libstdcxx \\\n" " --enable-languages=c,c++</userinput>" msgstr "" "<userinput remap=\"configure\">../configure \\\n" " --target=$LFS_TGT \\\n" " --prefix=$LFS/tools \\\n" " --with-glibc-version=2.11 \\\n" " --with-sysroot=$LFS \\\n" " --with-newlib \\\n" " --without-headers \\\n" " --enable-initfini-array \\\n" " --disable-nls \\\n" " --disable-shared \\\n" " --disable-multilib \\\n" " --disable-decimal-float \\\n" " --disable-threads \\\n" " --disable-libatomic \\\n" " --disable-libgomp \\\n" " --disable-libquadmath \\\n" " --disable-libssp \\\n" " --disable-libvtv \\\n" " --disable-libstdcxx \\\n" " --enable-languages=c,c++</userinput>" #. type: Content of: <sect1><sect2><variablelist><title> msgid "The meaning of the configure options:" msgstr "配置选项的含义：" #. type: Content of: <sect1><sect2><variablelist><varlistentry><term> msgid "<parameter>--with-glibc-version=2.11</parameter>" msgstr "<parameter>--with-glibc-version=2.11</parameter>" #. type: Content of: <sect1><sect2><variablelist><varlistentry><listitem><para> msgid "" "This option ensures the package will be compatible with the host's version " "of glibc. It is set to the minimum glibc requirement specified in the <xref " "linkend=\"ch-partitioning-hostreqs\"/>." msgstr "" "该选项确保该软件包与宿主的 glibc 版本兼容。它被设定为<xref linkend=\"ch-" "partitioning-hostreqs\"/>中要求的最小 glibc 版本一致。" #. type: Content of: <sect1><sect2><variablelist><varlistentry><term> msgid "<parameter>--with-newlib</parameter>" msgstr "<parameter>--with-newlib</parameter>" #. type: Content of: <sect1><sect2><variablelist><varlistentry><listitem><para> msgid "" "Since a working C library is not yet available, this ensures that the " "inhibit_libc constant is defined when building libgcc. This prevents the " "compiling of any code that requires libc support." msgstr "" "由于现在没有可用的 C 运行库，使用该选项保证构建 libgcc 时 inhibit_libc 常量被" "定义，以防止编译任何需要 libc 支持的代码。" #. type: Content of: <sect1><sect2><variablelist><varlistentry><term> msgid "<parameter>--without-headers</parameter>" msgstr "<parameter>--without-headers</parameter>" #. type: Content of: <sect1><sect2><variablelist><varlistentry><listitem><para> msgid "" "When creating a complete cross-compiler, GCC requires standard headers " "compatible with the target system. For our purposes these headers will not " "be needed. This switch prevents GCC from looking for them." msgstr "" "在创建完整的交叉编译器时，GCC 需要与目标系统兼容的标准头文件。由于我们的特殊" "目的，这些头文件并不必要。这个开关防止 GCC 查找它们。" #. type: Content of: <sect1><sect2><variablelist><varlistentry><term> msgid "<parameter>--enable-initfini-array</parameter>" msgstr "<parameter>--enable-initfini-array</parameter>" #. type: Content of: <sect1><sect2><variablelist><varlistentry><listitem><para> msgid "" "This switch forces the use of some internal data structures that are needed " "but cannot be detected when building a cross compiler." msgstr "" "这个开关强制启用一些内部数据结构，它们是必要的，但是在构建交叉编译器时，无法" "被检测到。" #. type: Content of: <sect1><sect2><variablelist><varlistentry><term> msgid "<parameter>--disable-shared</parameter>" msgstr "<parameter>--disable-shared</parameter>" #. type: Content of: <sect1><sect2><variablelist><varlistentry><listitem><para> msgid "" "This switch forces GCC to link its internal libraries statically. We need " "this because the shared libraries require glibc, which is not yet installed " "on the target system." msgstr "" "这个开关强制 GCC 静态链接它的内部库。我们必须这样做，因为动态库需要目标系统中" "尚未安装的 glibc。" #. type: Content of: <sect1><sect2><variablelist><varlistentry><term> msgid "<parameter>--disable-multilib</parameter>" msgstr "<parameter>--disable-multilib</parameter>" #. type: Content of: <sect1><sect2><variablelist><varlistentry><listitem><para> msgid "" "On x86_64, LFS does not support a multilib configuration. This switch is " "harmless for x86." msgstr "" "在 x86_64 平台上，LFS 不支持 multilib 配置。这个开关对于 x86 来说可有可无。" #. type: Content of: <sect1><sect2><variablelist><varlistentry><term> msgid "" "<parameter>--disable-decimal-float, --disable-threads, --disable-libatomic, " "--disable-libgomp, --disable-libquadmath, --disable-libssp, --disable-" "libvtv, --disable-libstdcxx</parameter>" msgstr "" "<parameter>--disable-decimal-float, --disable-threads, --disable-libatomic, " "--disable-libgomp, --disable-libquadmath, --disable-libssp, --disable-" "libvtv, --disable-libstdcxx</parameter>" #. type: Content of: <sect1><sect2><variablelist><varlistentry><listitem><para> msgid "" "These switches disable support for the decimal floating point extension, " "threading, libatomic, libgomp, libquadmath, libssp, libvtv, and the C++ " "standard library respectively. These features will fail to compile when " "building a cross-compiler and are not necessary for the task of cross-" "compiling the temporary libc." msgstr "" "这些开关禁用对于十进制浮点数、线程、libatomic、libgomp、 libquadmath、" "libssp、libvtv 和 C++ 标准库的支持。在构建交叉编译器时它们的编译会失败，而且" "在交叉编译临时 libc 时并不需要它们。" #. type: Content of: <sect1><sect2><variablelist><varlistentry><term> msgid "<parameter>--enable-languages=c,c++</parameter>" msgstr "<parameter>--enable-languages=c,c++</parameter>" #. type: Content of: <sect1><sect2><variablelist><varlistentry><listitem><para> msgid "" "This option ensures that only the C and C++ compilers are built. These are " "the only languages needed now." msgstr "这个选项保证只构建 C 和 C++ 编译器。目前只需要这两个语言。" #. type: Content of: <sect1><sect2><para> msgid "Compile GCC by running:" msgstr "执行以下命令编译 GCC：" #. type: Content of: <sect1><sect2><screen> #, no-wrap msgid "<userinput remap=\"make\">make</userinput>" msgstr "<userinput remap=\"make\">make</userinput>" #. type: Content of: <sect1><sect2><para> msgid "Install the package:" msgstr "安装该软件包：" #. type: Content of: <sect1><sect2><screen> #, no-wrap msgid "<userinput remap=\"install\">make install</userinput>" msgstr "<userinput remap=\"install\">make install</userinput>" #. type: Content of: <sect1><sect2><para> msgid "" "This build of GCC has installed a couple of internal system headers. " "Normally one of them, <filename>limits.h</filename>, would in turn include " "the corresponding system <filename>limits.h</filename> header, in this case, " "<filename>$LFS/usr/include/limits.h</filename>. However, at the time of this " "build of GCC <filename>$LFS/usr/include/limits.h</filename> does not exist, " "so the internal header that has just been installed is a partial, self-" "contained file and does not include the extended features of the system " "header. This is adequate for building glibc, but the full internal header " "will be needed later. Create a full version of the internal header using a " "command that is identical to what the GCC build system does in normal " "circumstances:" msgstr "" "刚刚构建的 GCC 安装了若干内部系统头文件。其中的 <filename>limits.h</" "filename> 一般来说，应该包含对应的系统头文件 <filename>limits.h</filename>，" "在我们的 LFS 环境中，就是 <filename>$LFS/usr/include/limits.h</filename>。然" "而，在构建 GCC 的时候，<filename>$LFS/usr/include/limits.h</filename> 还不存" "在，因此 GCC 安装的内部头文件是一个不完整的、自给自足的文件，不包含系统头文件" "提供的扩展特性。这对于构建临时的 libc 已经足够了，但后续工作将需要完整的内部" "头文件。使用以下命令创建一个完整版本的内部头文件，该命令与 GCC 构建系统在一般" "情况下生成该头文件的命令是一致的：" #. type: Content of: <sect1><sect2><screen> #, no-wrap msgid "" "<userinput remap=\"install\">cd ..\n" "cat gcc/limitx.h gcc/glimits.h gcc/limity.h > \\\n" " `dirname $($LFS_TGT-gcc -print-libgcc-file-name)`/install-tools/include/limits.h</userinput>" msgstr "" "<userinput remap=\"install\">cd ..\n" "cat gcc/limitx.h gcc/glimits.h gcc/limity.h > \\\n" " `dirname $($LFS_TGT-gcc -print-libgcc-file-name)`/install-tools/include/limits.h</userinput>" #. type: Content of: <sect1><sect2><para> msgid "" "Details on this package are located in <xref linkend=\"contents-gcc\" role=" "\".\"/>" msgstr "该软件包的更多细节在<xref linkend=\"contents-gcc\"/>可以找到。"