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neysx 06/04/25 10:39:05 |
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|
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Modified: prelink-howto.xml |
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Log: |
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Update from #130800 |
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|
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Revision Changes Path |
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1.38 xml/htdocs/doc/en/prelink-howto.xml |
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|
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file : http://www.gentoo.org/cgi-bin/viewcvs.cgi/xml/htdocs/doc/en/prelink-howto.xml?rev=1.38&content-type=text/x-cvsweb-markup&cvsroot=gentoo |
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plain: http://www.gentoo.org/cgi-bin/viewcvs.cgi/xml/htdocs/doc/en/prelink-howto.xml?rev=1.38&content-type=text/plain&cvsroot=gentoo |
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diff : http://www.gentoo.org/cgi-bin/viewcvs.cgi/xml/htdocs/doc/en/prelink-howto.xml.diff?r1=1.37&r2=1.38&cvsroot=gentoo |
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|
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Index: prelink-howto.xml |
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=================================================================== |
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RCS file: /var/cvsroot/gentoo/xml/htdocs/doc/en/prelink-howto.xml,v |
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retrieving revision 1.37 |
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retrieving revision 1.38 |
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diff -u -r1.37 -r1.38 |
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--- prelink-howto.xml 6 Mar 2006 09:18:30 -0000 1.37 |
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+++ prelink-howto.xml 25 Apr 2006 10:39:04 -0000 1.38 |
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@@ -1,5 +1,5 @@ |
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<?xml version='1.0' encoding="UTF-8"?> |
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-<!-- $Header: /var/cvsroot/gentoo/xml/htdocs/doc/en/prelink-howto.xml,v 1.37 2006/03/06 09:18:30 neysx Exp $ --> |
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+<!-- $Header: /var/cvsroot/gentoo/xml/htdocs/doc/en/prelink-howto.xml,v 1.38 2006/04/25 10:39:04 neysx Exp $ --> |
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<!DOCTYPE guide SYSTEM "/dtd/guide.dtd"> |
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<guide link="/doc/en/prelink-howto.xml"> |
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<title>Gentoo Linux Prelink Guide</title> |
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@@ -27,9 +27,8 @@ |
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|
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<license/> |
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|
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-<version>1.12</version> |
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-<date>2005-04-21</date> |
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- |
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+<version>1.13</version> |
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+<date>2006-04-21</date> |
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|
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<chapter> |
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<title>Introduction</title> |
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@@ -59,6 +58,13 @@ |
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for a pre-linked executable. |
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</p> |
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|
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+<warn> |
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+Prelink will not work with Hardened Gentoo. This is because both projects try |
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+to change the address space mapping of shared libraries. But prelink with the |
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+-R option randomises library base addresses, providing some degree of hardened |
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+protection. |
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+</warn> |
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+ |
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</body> |
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</section> |
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<section> |
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@@ -137,12 +143,6 @@ |
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<body> |
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|
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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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- |
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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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you do, you will need to rebuild your entire system without. |
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</p> |
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@@ -235,6 +235,20 @@ |
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</body> |
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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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+ |
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+<p> |
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+<c>sys-devel/prelink-20060213</c> and later install a cron job in |
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+<path>/etc/cron.daily/prelink</path>. To enable it, edit the configuration file |
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+<path>/etc/conf.d/prelink</path>. This will run prelink daily in the |
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+background, as needed, saving you running the command manually. |
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+</p> |
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+ |
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+</body> |
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+</section> |
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+ |
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+<section> |
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<title>Speeding Up KDE After Prelinking</title> |
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<body> |
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|
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@@ -256,7 +270,7 @@ |
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<chapter> |
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<title>Known Problems and Fixes</title> |
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<section> |
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-<title>"Cannot prelink against non-PIC shared library"</title> |
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+<title>"Cannot prelink against non-PIC shared library"</title> |
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<body> |
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|
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<p> |
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@@ -277,6 +291,11 @@ |
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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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</li> |
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+ <li> |
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+ Nvidia OpenGl libraries, |
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+ <path>/usr/lib/opengl/nvidia/lib/libGL.so.*</path>. Due to performance |
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+ reasons they were compiled without PIC support. |
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+ </li> |
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</ul> |
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|
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<p> |
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@@ -297,7 +316,7 @@ |
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</p> |
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|
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<p> |
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-"I suppose the idea is that everything will be in the downloaded file, |
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+"I suppose the idea is that everything will be in the downloaded file, |
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so nothing depends on the local libraries on the target system. Unfortunately |
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with Linux, and I think anything else using GLIBC, this still isn't quite |
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true. There's this "libnss" (name service switch, some people seem to call it |
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@@ -309,14 +328,14 @@ |
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it is configured for each machine individually. The problem comes, I think, |
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mainly from statically linking other GLIBC libraries, notably "libpthread", |
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"libm", and "libc", from which come incompatible calls to "libnss" |
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-functions." |
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+functions." |
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</p> |
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|
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</body> |
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</section> |
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<section> |
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-<title>Prelink aborts with "prelink: dso.c:306: fdopen_dso: Assertion |
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-`j == k' failed."</title> |
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+<title>Prelink aborts with "prelink: dso.c:306: fdopen_dso: Assertion |
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+`j == k' failed."</title> |
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<body> |
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|
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<p> |
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|
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|
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|
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-- |
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