将lua-5.3.4移植到arm平台

在开发嵌入式项目时,由于嵌入式平台没有lua环境,只能自己移植。先到官网上下载最新的lua源码(点击打开链接)。

接下来按照下面步骤:

1、修改src/Makefile文件内容:

源码包中的原始的Makefile的部分需要更改的内容如下:

# Your platform. See PLATS for possible values.
PLAT= none


CC= gcc -std=gnu99
CFLAGS= -O2 -Wall -Wextra -DLUA_COMPAT_5_2 $(SYSCFLAGS) $(MYCFLAGS)
LDFLAGS= $(SYSLDFLAGS) $(MYLDFLAGS)
LIBS= -lm $(SYSLIBS) $(MYLIBS)


AR= ar rcu
RANLIB= ranlib
RM= rm -f


SYSCFLAGS=

SYSLDFLAGS=

更改后的内容如下:

# Your platform. See PLATS for possible values.
PLAT= linux


CC=arm-oe-linux-gnueabi-gcc -std=gnu99 -march=armv7-a -mfloat-abi=softfp -mfpu=neon --sysroot=$(SDKTARGETSYSROOT)
CFLAGS= -O2 -Wall -Wextra -DLUA_COMPAT_5_2 $(SYSCFLAGS) $(MYCFLAGS)

LDFLAGS= $(SYSLDFLAGS) $(MYLDFLAGS)
LIBS= -lm $(SYSLIBS) $(MYLIBS)


AR= arm-oe-linux-gnueabi-ar rcu
RANLIB= arm-oe-linux-gnueabi-ranlib

RM= rm -f

SYSCFLAGS= -fexpensive-optimizations -frename-registers -fomit-frame-pointer -ftree-vectorize   -Wno-error=maybe-uninitialized -finline-functions -finline-limit=64  -include quectel-features-config.h -fstack-protector-strong -pie -fpie -Wa,--noexecstack 

SYSLDFLAGS= -Wl,-O1 -Wl,--hash-style=gnu -Wl,--as-needed -Wl,-z,relro,-z,now,-z,noexecstack

修改下面的内容;

linux:

$(MAKE) $(ALL) SYSCFLAGS="-DLUA_USE_LINUX" SYSLIBS="-Wl,-E -ldl -lreadline"

为:

linux:
$(MAKE) $(ALL) SYSCFLAGS="-DLUA_USE_LINUX" SYSLIBS="-Wl,-E -ldl"

同时将luaconf.h文件的64行屏蔽。

2.修改顶层目录的Makefile文件

原始的文件部分内容如下:

# Your platform. See PLATS for possible values.

PLAT= none


# Where to install. The installation starts in the src and doc directories,
# so take care if INSTALL_TOP is not an absolute path. See the local target.
# You may want to make INSTALL_LMOD and INSTALL_CMOD consistent with
# LUA_ROOT, LUA_LDIR, and LUA_CDIR in luaconf.h.

INSTALL_TOP= /usr/local

修改后的内容如下:
# Your platform. See PLATS for possible values.
PLAT= linux


# Where to install. The installation starts in the src and doc directories,
# so take care if INSTALL_TOP is not an absolute path. See the local target.
# You may want to make INSTALL_LMOD and INSTALL_CMOD consistent with
# LUA_ROOT, LUA_LDIR, and LUA_CDIR in luaconf.h.

INSTALL_TOP= 自己想要安装的目录

保存,make,make install

上述只能产生lua的静态库。如果要产生动态库so,则按照下面步骤来:

1、在顶层的Makefile中的

TO_LIB= liblua.a

修改为

TO_LIB= liblua.a liblua.so

2、在/src/Makefile中的如下两行之间:

ALL_A= $(LUA_A)

   
# Targets start here.

添加如下选项

LUA_SO=liblua.so
ALL_T= $(LUA_A) $(LUA_T) $(LUAC_T) $(LUA_SO)
$(LUA_SO): $(CORE_O) $(LIB_O)
    $(CC) -o $@ -shared -fPIC $? -ldl -lm 

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转载自blog.csdn.net/adlindary/article/details/80484986