解决Unixbench安装报错信息的问题
<p><span><strong>运行环境： </strong></span></p>
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<strong>Ubuntu 16.04.3 x86_64 </strong></p>
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在Ubuntu下安装运行Unixbench时，提示报错信息如下</p>
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<code class="xhtml plain">gcc -o ./pgms/ubgears -DTIME -Wall -pedantic -ansi -O2 -fomit-frame-pointer -fforce-addr -ffast-math -Wall ./src/ubgears.c -lGL -lXext -lX11 </code>
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<code class="xhtml plain">/usr/bin/ld: /tmp/ccnTgDEZ.o: undefined reference to symbol 'sincos@@GLIBC_2.2.5' </code>
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<code class="xhtml plain">//lib/x86_64-linux-gnu/libm.so.6: error adding symbols: DSO missing from command line </code>
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<code class="xhtml plain">collect2: error: ld returned 1 exit status </code>
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<code class="xhtml plain">Makefile:240: recipe for target 'pgms/ubgears' failed </code>
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<code class="xhtml plain">make: *** Error 1</code>
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通过查阅资料,由于ubgears.c中会用到数学函数,而实际运行时找不到对应的数学函数,只需要在显示调用函数函数库即可,在Makefile中GL_LIBS 后添加-lm</p>
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<span><strong>使用ld -v查看ld工具版本 </strong></span></p>
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从binutils2.22开始，ld开始把–no-copy-dt-needed-entries默认打开，这样一来，ld不会再自动递归地解析链接的lib，而需要由用户来一一指定。</p>
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以上这篇解决Unixbench安装报错信息的问题就是小编分享给大家的全部内容了，希望能给大家一个参考，也希望大家多多支持。</p>
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原文链接：http://blog.csdn.net/five0918/article/details/78903242</p>
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