java 的 Makefile

发布于 2024-09-29 15:59:09 字数 680 浏览 2 评论 0原文

我正在 Windows 中运行 Eclipse 来做我的作业。我必须提交一个 makefile 以便可以编译我的代码（singlefile.java）。我该怎么办呢。

我找到了这个。可以在windows上测试吗？

编辑：根据建议，我为 Windows 安装了 gnu make：

我的 make 文件如下：

JFLAGS = -g
JC = javac
#
.SUFFIXES: .java .class
.java.class:
        $(JC) $(JFLAGS) $*.java
CLASSES = \
        singlefile.java \
default: classes
classes: $(CLASSES:.java=.class)
clean:
        $(RM) *.class

但是，当我运行 make 时，我收到错误：

*** missing separator (did you mean TAB instead of 8 spaces?).  Stop.

I am new to make。我缺少什么？

原文

I am running Eclipse in windows for doing my homeworks. I have to submit a makefile so that my code (singlefile.java) can be compiled. How can I do this.

I found this. Can it be tested on windows.

EDIT:
As per the suggestions, I installed gnu make for windows:

My make file is as follows:

JFLAGS = -g
JC = javac
#
.SUFFIXES: .java .class
.java.class:
        $(JC) $(JFLAGS) $*.java
CLASSES = \
        singlefile.java \
default: classes
classes: $(CLASSES:.java=.class)
clean:
        $(RM) *.class

However, when I run make, I am getting the error:

*** missing separator (did you mean TAB instead of 8 spaces?).  Stop.

I am new to make. What am I missing?

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雄赳赳气昂昂 2024-10-06 15:59:09

使用此 makefile 所需要做的就是将 Purchaser.java 更改为 .java 源，并从中删除其他 .java 源。如果您使用 Windows，那么您的系统中可能没有安装 make。您可以安装和使用 GNU make、Microsoft nmake 或其他。我认为编译程序的最简单方法是制作 .bat 文件，其内容如下：

javac MyClacc.java

当然，您可以添加 javac 标志，例如 -deprecation 等。

最简单的形式 < code>makefile 在您的情况下可能看起来像：

default:
    javac singlefile.java

clean:
    del singlefile.class

确保使用制表符进行缩进（在 javac 和 del 等命令之前）。

All you have to do with this makefile is to change Purchaser.java into your .java source and remove other .java sources from it. If you use Windows, then you probably do not have make installed in your system. You can install and use GNU make, Microsoft nmake or other. I think the simplest way to compile your program is to make .bat file with content like:

javac MyClacc.java

Of course you can add there javac flags like -deprecation etc.

Simplest form of makefile in your case can look like:

default:
    javac singlefile.java

clean:
    del singlefile.class

Be sure to make indentation (before commands like javac and del) with tab character.

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窝囊感情。 2024-10-06 15:59:09

如果您没有任何依赖项，则可以像编写 C 程序一样编写 makefile，其中包含以下内容：（

JAVAC = javac

%.class: %.java
    $(JAVAC) lt;

注意：您可能还需要一个干净的任务）

如果您打算继续使用 java 来了解更多信息然而，高级项目请考虑使用 Maven 或 ant 来构建您的项目。两者都可以集成到 eclipse 中，因此您无需做太多工作。然后，您可以将“mvncompile”命令包装到 Makefile 中，然后就不用管它了。

If you don't have any dependencies, you can write a makefile just as you would with C programs with something like:

JAVAC = javac

%.class: %.java
    $(JAVAC) lt;

(note: you'd probably want a clean task as well)

If you're planning on continuing with java for more advanced projects, however, consider using maven or ant for building your project. Both can be integrated into eclipse so you don't have to do much work. Then you can wrap your 'mvn compile' command into a Makefile and forget about it.

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