Porting Lua to ARM
kernel:2.6.31-14-generic ubuntu9.10
cross-tools:arm-linux-gcc version 4.1.2
Target
kernel: 2.6.28.9 MOZART380 armv5tejl
下载Lua：
lua-5.1.4.tar.gz
http://iask.sina.com.cn/u/ish
解压：
tar -xzvf lua-5.1.4.tar.gz
cd lua-5.1.4
修改
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Way1:
gedit src/Makefile
PLAT= none --> PLAT= ansi
CC= gcc --> CC= arm-linux-gcc
AR= ar --> AR=arm-linux-ar
RANLIB=ranlib --> RANLIB=arm-linux-ranlib
～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～
Way2:
gedit src/Makefile
PLAT= none --> PLAT= linux
CC= gcc --> CC= arm-linux-gcc
AR= ar --> AR=arm-linux-ar
RANLIB=ranlib --> RANLIB=arm-linux-ranlib
LIBS= -lm $(MYLIBS) --> LIBS= -lm $(MYLIBS) -static
$(MAKE) all MYCFLAGS=-DLUA_USE_LINUX MYLIBS="-Wl,-E -ldl -lreadline -lhistory -lncurses"
--->
$(MAKE) all MYCFLAGS=-DLUA_USE_LINUX MYLIBS="-Wl,-E -ldl "
gedit src/luaconf.h
注释掉以下内容
#define LUA_USE_READLINE
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
bean推荐采用Way2
make
其中对我们有意义的是*.o lua luac
copy
拷贝lua至开发板相应目录
编写 test
////////////////////////////////////////////////////////////////////
-- bisection method for solving non-linear equations
delta=1e-6 --tolerance
functionbisect(f,a,b,fa,fb)
localc=(a+b)/2
io.write(n," c=",c," a=",a,"b=",b,"\n")
if c==a or c==b or math.abs(a-b)<delta then
return c,b-a
end
n=n+1
localfc=f(c)
if fa*fc<0 then
return bisect(f,a,c,fa,fc)
else
return bisect(f,c,b,fc,fb)
end
end
-- find root of f in the inverval [a,b]. needsf(a)*f(b)<0
functionsolve(f,a,b)
n=0
localz,e=bisect(f,a,b,f(a),f(b))
io.write(string.format("after %d steps, root is %.17gwith error %.1e,f=%.1e\n",n,z,e,f(z))) end
-- ourfunction
functionf(x)
returnx*x*x-x-1
end
-- find zero in[1,2]
solve(f,1,2)
////////////////////////////////////////////////////////////////////
测试
./lua /path/to/test/lua
参考：
http://www.huomo.cn/developer/article-17ac9.html