AIX下编译64位Lua
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<p>Lua是一个非常有名的脚本语言，是使用标准C编写而成的，目前官方提供了其在众多平台下的编译的<code class="highlighter-rouge">Makefile</code>文件，非常强大！</p>
支持编译的平台有aix ansi bsd freebsd generic linux macosx mingw posix solaris
我在AIX下小试了一下，非常顺利地就编译通过了。
不过默认编译出来的是32位的，其库文件不能被64位的程序调用，需要修改一下其Makefile文件，就可以编译出64位版本。
修改Makefile需要考虑其原有的结构，不影响其他平台下的命令的执行。
故此，编辑Makefile：
cd lua-5.2.2/src
vi Makefile
修改其中aix小节如下：
aix:
$(MAKE) $(ALL) CC="xlc -q64" AR="ar -X64 rcu" CFLAGS="-O2 -DLUA_USE_POSIX -DLUA_USE_DLOPEN" SYSLIBS="-ldl" SYSLDFLAGS="-brtl -bexpall"
编译出来的目标文件就是64位的了！
后面我们会介绍如何在hp-ux环境下编译Lua源码。
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