Ubuntu-Linux的Objective-C环境设置 [英] Objective-C Environment Setup For Ubuntu-Linux

问题描述

我没有用于iOS开发的Mac机.现在我处于学习阶段，想开始在Linux上进行ios开发.那么有可能在Linux环境上运行Objective-C代码吗?

I don't have the Mac machine for ios development. Now I am in a learning stage and want to start the ios development on Linux. So is it possible to run the Objective-C Code on Linux environment?

推荐答案

是的，在Ubuntu中可以通过以下方式运行Objective-C代码:

Yes it is possible in Ubuntu to Run the Objective-C code in the following way:

在Ubuntu中，使用以下命令安装GNU Objective-C编译器和Gnu-step开发库:

In Ubuntu, Install GNU Objective-C Compiler and the Gnu-step Development Libraries with the following command::

sudo apt-get –y install gobjc gnustep gnustep-devel

现在键入下面给出的程序，并以.m扩展名保存文件.

Now type the Program given below and save the file with .m extension.

例如，hello.m

// 'Hello World' Program in Objective-C
#import <Foundation/Foundation.h>

int main (int argc, const char * argv[])
{
    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
    NSLog (@"Hello, World!");
    [pool drain];
    return 0;
}

现在使用以下命令编译程序:

Now Compile the Program with the following command:

gcc $(gnustep-config --objc-flags) -o hello hello.m $(gnustep-config --base-libs)

或者您可以编写此示例Makefile:

Or you could write this sample Makefile:

CC := gcc
GNUSTEP_LIBS = $(shell gnustep-config --base-libs)
GNUSTEP_FLAGS = $(shell gnustep-config --objc-flags)

.PHONY = clean all

PROGS = hello class_hello

all: $(PROGS)

%.o: %.m
    $(CC) $(GNUSTEP_FLAGS) -c $^

hello: hello.o
    $(CC) -o $@ $^ $(GNUSTEP_LIBS)

clean: 
    rm $(PROGS) *.o

然后运行:

make

现在使用以下命令运行可执行文件:

Now Run the executable with the following command:

./hello

输出-> 2014-11-14 15:47:32.628 hello[2786] Hello, World!

输出的格式是这样的-

<DATE> <TIME> <NAME  OF THE EXECUTABLE[NUMBER]> <ACTUAL OUTPUT>

这篇关于Ubuntu-Linux的Objective-C环境设置的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！