编译文件依赖 [英] compilation file dependency
问题描述
c中的编译一般有四个阶段
1.预处理
2.编译
3.汇编
4.链接。
如果我使用的标志不会链接代码，编译顺序不是
问题，对吧？我不熟悉编译器，所以我不确定。它似乎在我看来，* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *依赖关系只是链接过程中的一个问题？
谢谢，Mike
Compilation in c generally has four phases
1. Preprocessing
2. Compilation
3. Assembly
4. Linking.
If I use a flag that will not link the code, order of compilation is not an
issue, right? I am not that familiar with compilers so I am not sure. It
seems to me that it would not make a difference as to *which* file was
compiled *when*. Dependencies are only an issue during linking?
Thanks, Mike
推荐答案
Michael Gaab写道：
Michael Gaab wrote:
c中的编译一般有四个阶段
1.预处理
2.编译
3.组装
4.链接。
如果我使用的标志不会链接代码，编译顺序不是问题，对吧？我不熟悉编译器，所以我不确定。在我看来，* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *依赖性只是链接过程中的问题吗？
谢谢，Mike
Compilation in c generally has four phases
1. Preprocessing
2. Compilation
3. Assembly
4. Linking.
If I use a flag that will not link the code, order of compilation is not an
issue, right? I am not that familiar with compilers so I am not sure. It
seems to me that it would not make a difference as to *which* file was
compiled *when*. Dependencies are only an issue during linking?
Thanks, Mike
唯一的编译依赖是声明。必须在声明之前处理
声明。除了
之外，每个文件都是被视为一个独立的翻译单位。
链接阶段用于解决翻译单元的任何外部参考。
。某些工具在链接之前需要在
中指定的文件作为特殊订单。在创建可执行映像之前必须解决所有外部引用
。
许多项目将源单元翻译成object
单位。最后阶段包括链接。这些对象
单位形成一个可执行的图像。如果一个对象单元没有被修改，它的源单元将不被翻译，因此
加速构建。但是，有些工具只会从编译单元生成调试器符号。 :-(
-
Thomas Matthews
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The only compilation dependencies are the declarations. The
declarations must be processed before the statements. Other than
that, each "file" is treated as an independent translation unit.
The linking phase is used to resolve any external references from
a translation unit. Some tools require the files specified in
a special order before linking. All the external references
must be resolved before creating an executable image.
Many projects will have source units translated into "object"
units. The final phase consists of "linking" these object
units to form an executable image. If an object unit is not
modified, its source unit will not be translated, thus
speeding up the "build". However, some tools will only
produce debugger symbols from compiled units. :-(
--
Thomas Matthews
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Other sites:
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周三，2003年12月10日12:18:07 -0600，Michael Gaab
< mi **** @ montana.com>写道comp.lang.c：
On Wed, 10 Dec 2003 12:18:07 -0600, "Michael Gaab"
<mi****@montana.com> wrote in comp.lang.c:
c中的编译一般有四个阶段
1.预处理
2.编译
3.组装
4.链接。
如果我使用的标志不会链接代码，编译顺序不是问题，对吧？我不熟悉编译器，所以我不确定。在我看来，* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *在链接过程中依赖性只是一个问题吗？
谢谢，Mike
Compilation in c generally has four phases
1. Preprocessing
2. Compilation
3. Assembly
4. Linking.
If I use a flag that will not link the code, order of compilation is not an
issue, right? I am not that familiar with compilers so I am not sure. It
seems to me that it would not make a difference as to *which* file was
compiled *when*. Dependencies are only an issue during linking?
Thanks, Mike
实际上C标准专门定义了8个翻译阶段，
但链接确实是最后一个。 C标准中的任何内容都不允许
根据个人翻译的时间或顺序来确定差异
单位通过前7个阶段。
-
Jack Klein
主页： http://JK-Technology.Com
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Actually the C standard specifically defines 8 stages of translation,
but linking is indeed the final one. Nothing in the C standard allows
for a difference based on when or in what order individual translation
units pass through the first 7 stages.
--
Jack Klein
Home: http://JK-Technology.Com
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" Michael Gaab" < MI **** @ montana.com>在消息中写道
新闻：3f ******** @ 127.0.0.1 ...
"Michael Gaab" <mi****@montana.com> wrote in message
news:3f********@127.0.0.1...
c中的编译一般有四个阶段
1。预处理
2.编译
3.组装
4.链接。
Compilation in c generally has four phases
1. Preprocessing
2. Compilation
3. Assembly
4. Linking.
很棒，但是探查器怎么样。那里不是在描述吗？
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Great but what about the profiler. Isn''t profiling in there somewhere?
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