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<license/> |
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<license/> |
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<version>1.12</version> |
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<version>1.13</version> |
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<date>2005-04-21</date> |
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<date>2006-04-21</date> |
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<chapter> |
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for a pre-linked executable. |
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for a pre-linked executable. |
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</p> |
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</p> |
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<warn> |
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Prelink will not work with Hardened Gentoo. This is because both projects try to change the address space mapping of shared libraries. But prelink with the -R option randomises library base addresses, providing some degree of hardened protection. |
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</warn> |
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</body> |
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</body> |
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</section> |
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<section> |
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<body> |
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<p> |
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Next you should activate the "pic" USE flag in your <path>/etc/make.conf</path> |
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Don't forget to run <c>emerge --update --deep --newuse world</c> so that the USE |
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flag change is incorporated in your system. |
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</p> |
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<p> |
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Also make sure that you do <e>not</e> have -fPIC set in your CFLAGS/CXXFLAGS. If |
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Also make sure that you do <e>not</e> have -fPIC set in your CFLAGS/CXXFLAGS. If |
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you do, you will need to rebuild your entire system without. |
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you do, you will need to rebuild your entire system without. |
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</p> |
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</body> |
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</body> |
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</section> |
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</section> |
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<section> |
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<title>Prelink Cron Job</title> |
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<body> |
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<p> |
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<c>sys-devel/prelink-20060213</c> and later install a cron job in <path>/etc/cron.daily/prelink</path>. To enable it edit the configuration file <path>/etc/conf.d/prelink</path>. This will run prelink daily in the background, as needed, saving you running the command manually. |
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</p> |
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</body> |
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</section> |
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<section> |
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<title>Speeding Up KDE After Prelinking</title> |
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<title>Speeding Up KDE After Prelinking</title> |
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<body> |
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<body> |
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The library in media-video/mjpegtools, |
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The library in media-video/mjpegtools, |
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<path>/usr/lib/liblavfile-1.6.so.0</path>. |
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<path>/usr/lib/liblavfile-1.6.so.0</path>. |
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</li> |
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<li> |
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Nvidia OpenGl libraries, <path>/usr/lib/opengl/nvidia/lib/libGL.so.*</path>. |
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Due to performance reasons they were compiled without PIC support. |
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</li> |
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</ul> |
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</ul> |
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<p> |
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<p> |
