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	Linux From Scratch 12.3/chapter08_libffi — Chinese (Simplified Han script)	FFI stands for Foreign Function Interface. An FFI allows a program written in one language to call a program written in another language. Specifically, Libffi can provide a bridge between an interpreter like Perl, or Python, and shared library subroutines written in C, or C++.
	Linux From Scratch 12.3/chapter08_libffi — Chinese (Simplified Han script)	Like GMP, Libffi builds with optimizations specific to the processor in use. If building for another system, change the value of the <parameter>--with-gcc-arch=</parameter> parameter in the following command to an architecture name fully implemented by the CPU on that system. If this is not done, all applications that link to <filename class='libraryfile'>libffi</filename> will trigger Illegal Operation Errors.	和 GMP 类似，libffi 在构建时会使用特定于当前处理器的优化。如果是在为另一台计算机构建系统，请导出 CFLAGS 和 CXXFLAGS 环境变量，为您的架构指定较为通用的构建目标。否则，所有链接到 libffi 的程序都可能触发非法指令异常。
	Linux From Scratch 12.3/chapter08_libffi — Chinese (Simplified Han script)	Prepare Libffi for compilation:	准备编译 libffi：
	Linux From Scratch 12.3/chapter08_libffi — Chinese (Simplified Han script)	<userinput remap="configure">./configure --prefix=/usr \ --disable-static \ --with-gcc-arch=native</userinput>	<userinput remap="configure">./configure --prefix=/usr --disable-static --with-gcc-arch=native</userinput>
	Linux From Scratch 12.3/chapter08_libffi — Chinese (Simplified Han script)	Ensure GCC optimizes for the current system. If this is not specified, the system is guessed and the code generated may not be correct. If the generated code will be copied from the native system to a less capable system, use the less capable system as a parameter. For details about alternative system types, see <ulink url='https://gcc.gnu.org/onlinedocs/gcc-&gcc-version;/gcc/x86-Options.html'> the x86 options in the GCC manual</ulink>.	保证 gcc 为当前系统进行优化。如果不使用该选项，构建系统会猜测系统架构，在某些系统上可能生成不正确的代码。如果要将生成的代码从本地系统复制到指令集功能较弱的系统中，需要使用目标系统架构作为该选项的参数值。关于不同系统架构的信息，参阅 <ulink url='https://gcc.gnu.org/onlinedocs/gcc-&gcc-version;/gcc/x86-Options.html'>gcc 手册中提供的的 x86 选项</ulink>。
	Linux From Scratch 12.3/chapter08_libffi — Chinese (Simplified Han script)	<?dbfo list-presentation="list"?> <?dbhtml list-presentation="table"?>
	Linux From Scratch 12.3/chapter08_libffi — Chinese (Simplified Han script)	Contains the foreign function interface API functions	包含 libffi API 函数