blocks|key|2399783|text|您可以通过在project调用中添加NONE来跳过编译器检查：|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|2399784|project(<projectname>+NONE)|code-block|syntax|javascript|2399785|但这可能会产生相当深远的影响。有关完整的详细信息，请运行|2399786|cmake+--help-command+project|2399787|我不熟悉ARM，所以这可能不是您的最佳选择。我想你最好看看有没有修复-rdynamic标志的方法。|2399788|编辑：|2399789|这看起来像是identified+as+a+bug，实际上还没有解决。错误报告中的注释提到添加以下行作为解决方法(可能在project调用之前)：|2399790|set(CMAKE_SHARED_LIBRARY_LINK_C_FLAGS+"")
set(CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS+"")|2399791|entityMap|0|LINK|mutability|MUTABLE|url|http://www.cmake.org/Bug/view.php?id=9985^0|6|7|I|4|0|0|0|0|Y|9|0|0|1O|7|6|J|0|0|0^^$0|@$1|2|3|4|5|6|7|14|8|@$9|15|A|16|B|C]|$9|17|A|18|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|19|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|1A|8|@]|D|@]|E|$]]|$1|M|3|N|5|H|7|1B|8|@]|D|@]|E|$I|J]]|$1|O|3|P|5|6|7|1C|8|@$9|1D|A|1E|B|C]]|D|@]|E|$]]|$1|Q|3|R|5|6|7|1F|8|@]|D|@]|E|$]]|$1|S|3|T|5|6|7|1G|8|@$9|1H|A|1I|B|C]]|D|@$9|1J|A|1K|1|1L]]|E|$]]|$1|U|3|V|5|H|7|1M|8|@]|D|@]|E|$I|J]]|$1|W|3|-4|5|6|7|1N|8|@]|D|@]|E|$]]]|X|$Y|$5|Z|10|11|E|$12|13]]]]

You can skip the compiler checks by adding <code>NONE</code> to your <code>project</code> call:

<pre><code>project(&lt;projectname&gt; NONE)
</code></pre>

but this can have pretty far-reaching effects. For full details, run

<pre><code>cmake --help-command project
</code></pre>

I'm not familiar with ARM, so this is probably not your best option here. I guess you'd be better to see if there's a way to fix the <code>-rdynamic</code> flag.

<h3>EDIT:</h3>

It looks like this was <a href="http://www.cmake.org/Bug/view.php?id=9985">identified as a bug</a> which is effectively still unresolved. The comments in the bug report mention adding the following lines as a workaround (presumably before your <code>project</code> call):

<pre><code>set(CMAKE_SHARED_LIBRARY_LINK_C_FLAGS "")
set(CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS "")
</code></pre>

blocks|key|1381457|text|看起来你的目标实际上不是Linux，所以你应该告诉cmake你是在为一般情况交叉编译：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1381458|SET(CMAKE_SYSTEM_NAME+Generic)|code-block|syntax|javascript|1381459|后跟(可选，但很容易指定)：|1381460|SET(CMAKE_SYSTEM_PROCESSOR+arm)
SET(CMAKE_CROSSCOMPILING+1)|1381461|但是，如果您指定了(您很可能这样做了，因为很多在线示例中都说明了这一点)：|1381462|SET(CMAKE_SYSTEM_NAME+Linux)|1381463|然后，cmake将从(假设版本2.8)文件中加载配置文件：|1381464|/usr/share/cmake-2.8/Modules/Platform/Linux.cmake|1381465|它很可能会从其中加载：|1381466|/usr/share/cmake-2.8/Modules/Platform/Linux-GNU.cmake|1381467|由于历史原因，这里设置了-rdynamic标志：|offset|length|style|CODE|1381468|macro(__linux_compiler_gnu+lang)
++#+We+pass+this+for+historical+reasons.++Projects+may+have
++#+executables+that+use+dlopen+but+do+not+set+ENABLE_EXPORTS.
++set(CMAKE_SHARED_LIBRARY_LINK_${lang}_FLAGS+"-rdynamic")
endmacro()|1381469|与其通过将NONE指定为PROJECT参数来禁用测试，还不如设置CMAKE_SYSTEM_NAME+(设置为Linux以外的值，例如Generic)才是您真正想要做的。|1381470|entityMap^0|0|0|0|0|0|0|0|0|0|0|C|9|0|0|5|4|C|7|W|H|1I|5|1U|7|0^^$0|@$1|2|3|4|5|6|7|18|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|19|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|1A|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|1B|8|@]|9|@]|A|$E|F]]|$1|K|3|L|5|6|7|1C|8|@]|9|@]|A|$]]|$1|M|3|N|5|D|7|1D|8|@]|9|@]|A|$E|F]]|$1|O|3|P|5|6|7|1E|8|@]|9|@]|A|$]]|$1|Q|3|R|5|D|7|1F|8|@]|9|@]|A|$E|F]]|$1|S|3|T|5|6|7|1G|8|@]|9|@]|A|$]]|$1|U|3|V|5|D|7|1H|8|@]|9|@]|A|$E|F]]|$1|W|3|X|5|6|7|1I|8|@$Y|1J|Z|1K|10|11]]|9|@]|A|$]]|$1|12|3|13|5|D|7|1L|8|@]|9|@]|A|$E|F]]|$1|14|3|15|5|6|7|1M|8|@$Y|1N|Z|1O|10|11]|$Y|1P|Z|1Q|10|11]|$Y|1R|Z|1S|10|11]|$Y|1T|Z|1U|10|11]|$Y|1V|Z|1W|10|11]]|9|@]|A|$]]|$1|16|3|-4|5|6|7|1X|8|@]|9|@]|A|$]]]|17|$]]

It seems you target actually something else than Linux, so you should tell cmake that you are cross-compiling for the generic case:

<pre><code>SET(CMAKE_SYSTEM_NAME Generic)
</code></pre>

Followed by (optionally, but nice to specify):

<pre><code>SET(CMAKE_SYSTEM_PROCESSOR arm)
SET(CMAKE_CROSSCOMPILING 1)
</code></pre>

However, if you specify (which you likely did because this is stated in a lot of examples online):

<pre><code>SET(CMAKE_SYSTEM_NAME Linux)
</code></pre>

Then cmake will load the configuration files from (suppose version 2.8) the file:

<pre><code>/usr/share/cmake-2.8/Modules/Platform/Linux.cmake
</code></pre>

from which it is likely to load:

<pre><code>/usr/share/cmake-2.8/Modules/Platform/Linux-GNU.cmake
</code></pre>

Here the <code>-rdynamic</code> flag is set for historical reasons:

<pre><code>macro(__linux_compiler_gnu lang)
 # We pass this for historical reasons. Projects may have
 # executables that use dlopen but do not set ENABLE_EXPORTS.
 set(CMAKE_SHARED_LIBRARY_LINK_${lang}_FLAGS "-rdynamic")
endmacro()
</code></pre>

Rather than disabling the tests as indeed is done by specifying <code>NONE</code> as the <code>PROJECT</code> argument, it seems setting the <code>CMAKE_SYSTEM_NAME</code> (to something else than <code>Linux</code>, for instance <code>Generic</code>) is what you actually want to do.

blocks|key|1381476|text|可以将CMAKE_<LANG>_COMPILER_WORKS设置为true，以禁止对该语言进行进一步的编译器检查。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1381477|set(CMAKE_C_COMPILER_WORKS+1)|code-block|syntax|javascript|1381478|entityMap^0|3|R|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@$9|N|A|O|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|P|8|@]|D|@]|E|$I|J]]|$1|K|3|-4|5|6|7|Q|8|@]|D|@]|E|$]]]|L|$]]

You can set <code>CMAKE_&lt;LANG&gt;_COMPILER_WORKS</code> to true to suppress further compiler checks for that language.

<pre><code>set(CMAKE_C_COMPILER_WORKS 1)
</code></pre>

blocks|key|1381494|text|如果您正在编译一个静态库，并且希望避免使用CMake测试编译器是否可以生成二进制文件，那么可以设置变量CMAKE_TRY_COMPILE_TARGET_TYPE。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1381495|set(CMAKE_TRY_COMPILE_TARGET_TYPE+STATIC_LIBRARY)|code-block|syntax|javascript|1381496|entityMap|0|LINK|mutability|MUTABLE|url|https://cmake.org/cmake/help/latest/variable/CMAKE_TRY_COMPILE_TARGET_TYPE.html^0|1F|T|1F|T|0|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@$9|T|A|U|B|C]]|D|@$9|V|A|W|1|X]]|E|$]]|$1|F|3|G|5|H|7|Y|8|@]|D|@]|E|$I|J]]|$1|K|3|-4|5|6|7|Z|8|@]|D|@]|E|$]]]|L|$M|$5|N|O|P|E|$Q|R]]]]

If you're just compiling a static library and you want to avoid having CMake test that the compiler can generate binaries, you can set the variable <a href="https://cmake.org/cmake/help/latest/variable/CMAKE_TRY_COMPILE_TARGET_TYPE.html" rel="nofollow noreferrer"><code>CMAKE_TRY_COMPILE_TARGET_TYPE</code></a>.

<pre><code>set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)
</code></pre>

blocks|key|2295557|text|在没有-rdynamic选项的Windows环境下进行交叉编译时，可以使用|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2295558|-DCMAKE_SYSTEM_NAME="Windows"|code-block|syntax|javascript|2295559|使用cmake。然后，Cmake将跳过使用-rdynamic的测试。|2295560|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|L|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|M|8|@]|9|@]|A|$]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

When cross compiling for Windows, where there is no -rdynamic option, you can use
<pre><code>-DCMAKE_SYSTEM_NAME=&quot;Windows&quot;
</code></pre>
with cmake. Then Cmake will skip the test with -rdynamic.

compilation options for cmake (on windows) for ARM target system but when I run configure it's starting compiler tests:

<pre><code>CMake Error at D:/Program Files/CMake 2.8/share/cmake-2.8/Modules/CMakeTestCCompiler.cmake:52 (MESSAGE):
 The C compiler "D:/Program Files/yagarto/bin/arm-none-eabi-gcc.exe" is not
 able to compile a simple test program.

 It fails with the following output:

 Change Dir: D:/merge/complex/build/CMakeFiles/CMakeTmp



 Run Build Command:D:/PROGRA~1/YAGART~1/bin/make.exe "cmTryCompileExec/fast"

 D:/PROGRA~1/YAGART~1/bin/make.exe -f
 CMakeFiles/cmTryCompileExec.dir/build.make
 CMakeFiles/cmTryCompileExec.dir/build

 make.exe[1]: Entering directory
 `D:/merge/complex/build/CMakeFiles/CMakeTmp'

 "D:/Program Files/CMake 2.8/bin/cmake.exe" -E cmake_progress_report
 D:/merge/complex/build/CMakeFiles/CMakeTmp/CMakeFiles 1

 Building C object CMakeFiles/cmTryCompileExec.dir/testCCompiler.c.o

 "D:/Program Files/yagarto/bin/arm-none-eabi-gcc.exe" -o
 CMakeFiles/cmTryCompileExec.dir/testCCompiler.c.o -c
 D:/merge/complex/build/CMakeFiles/CMakeTmp/testCCompiler.c

 Linking C executable cmTryCompileExec

 "D:/Program Files/yagarto/bin/arm-none-eabi-gcc.exe"
 "CMakeFiles/cmTryCompileExec.dir/testCCompiler.c.o" -o cmTryCompileExec
 -rdynamic 

 arm-none-eabi-gcc.exe: error: unrecognized option '-rdynamic'

 make.exe[1]: *** [cmTryCompileExec] Error 1
</code></pre>

Using Yagatdo 4.6.* cross-compilation toolchain

How can I skip this tests or fix -rdynamic error that I am getting?

Can I skip cmake compiler tests or avoid "error: unrecognized option '-rdynamic'"

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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用于ARM目标系统的cmake (在windows上)的编译选项，但当我运行configure时，它启动了编译器测试：CMake Error at D:/Program Files/CMake 2.8/share/cmake-2.8/Modules/CMakeTestCCompiler.cmake:52 (MESSAG...

问我是否可以跳过cmake编译器测试或避免"error: unrecognized option '-rdynamic'“
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问我是否可以跳过cmake编译器测试或避免"error: unrecognized option '-rdynamic'“EN