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diff --git a/zarb-ml/mageia-dev/2013-January/021403.html b/zarb-ml/mageia-dev/2013-January/021403.html new file mode 100644 index 000000000..940e5972e --- /dev/null +++ b/zarb-ml/mageia-dev/2013-January/021403.html @@ -0,0 +1,132 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN"> +<HTML> + <HEAD> + <TITLE> [Mageia-dev] rpmrc [5221] build with -fPIC on x86_64 too (pok, mdv) + </TITLE> + <LINK REL="Index" HREF="index.html" > + <LINK REL="made" HREF="mailto:mageia-dev%40mageia.org?Subject=Re%3A%20%5BMageia-dev%5D%20rpmrc%20%5B5221%5D%20build%20with%20-fPIC%20on%20x86_64%20too%20%28pok%2C%0A%09mdv%29&In-Reply-To=%3C50EE1F59.2020205%40mageia.org%3E"> + <META NAME="robots" CONTENT="index,nofollow"> + <META http-equiv="Content-Type" content="text/html; charset=us-ascii"> + <LINK REL="Previous" HREF="021413.html"> + <LINK REL="Next" HREF="021410.html"> + </HEAD> + <BODY BGCOLOR="#ffffff"> + <H1>[Mageia-dev] rpmrc [5221] build with -fPIC on x86_64 too (pok, mdv)</H1> + <B>Anssi Hannula</B> + <A HREF="mailto:mageia-dev%40mageia.org?Subject=Re%3A%20%5BMageia-dev%5D%20rpmrc%20%5B5221%5D%20build%20with%20-fPIC%20on%20x86_64%20too%20%28pok%2C%0A%09mdv%29&In-Reply-To=%3C50EE1F59.2020205%40mageia.org%3E" + TITLE="[Mageia-dev] rpmrc [5221] build with -fPIC on x86_64 too (pok, mdv)">anssi at mageia.org + </A><BR> + <I>Thu Jan 10 02:54:33 CET 2013</I> + <P><UL> + <LI>Previous message: <A HREF="021413.html">[Mageia-dev] Version freeze +</A></li> + <LI>Next message: <A HREF="021410.html">[Mageia-dev] rpmrc [5221] build with -fPIC on x86_64 too (pok, mdv) +</A></li> + <LI> <B>Messages sorted by:</B> + <a href="date.html#21403">[ date ]</a> + <a href="thread.html#21403">[ thread ]</a> + <a href="subject.html#21403">[ subject ]</a> + <a href="author.html#21403">[ author ]</a> + </LI> + </UL> + <HR> +<!--beginarticle--> +<PRE>26.09.2012 22:57, Thierry Vignaud kirjoitti: +><i> On 26 September 2012 20:30, Anssi Hannula <<A HREF="https://www.mageia.org/mailman/listinfo/mageia-dev">anssi at mageia.org</A>> wrote: +</I>>>><i> Author +</I>>>><i> tv +</I>>><i> +</I>>>><i> Log Message +</I>>>><i> +</I>>>><i> build with -fPIC on x86_64 too (pok, mdv) +</I>>><i> +</I>>><i> Why? +</I>><i> +</I>><i> "-fPIC should already be used on x86_64 or you'll get sooner or later in +</I>><i> troubles (for instance when linking libs). I think that any sane build +</I>><i> script should already default to -fPIC on x86_64 but some other weird +</I>><i> build script may not." (rtp) +</I> +I have to strongly disagree with this. + +- This hides problems in build scripts. Shared libraries should normally + be linked with -fPIC on *all* architectures. Not doing this causes + some issues, like the library to actually become unshareable across + different processes. Since these are allowed in iX86 but not on + x86_64, building all objects on x86_64 with -fPIC will hide any + "missing -fPIC from build script" issues. + Note that there can't be very many problematic failing packages, since + we and mdv have managed this far without it. + +- It is not needed except on shared libraries, and will cause a small + performance penalty (due to one less register being available when + using relative addressing). (AFAIU it is negligible, but still..) + +- Other major distros (not counting MDV) do not do this + +-- +Anssi Hannula +</PRE> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +<!--endarticle--> + <HR> + <P><UL> + <!--threads--> + <LI>Previous message: <A HREF="021413.html">[Mageia-dev] Version freeze +</A></li> + <LI>Next message: <A HREF="021410.html">[Mageia-dev] rpmrc [5221] build with -fPIC on x86_64 too (pok, mdv) +</A></li> + <LI> <B>Messages sorted by:</B> + <a href="date.html#21403">[ date ]</a> + <a href="thread.html#21403">[ thread ]</a> + <a href="subject.html#21403">[ subject ]</a> + <a href="author.html#21403">[ author ]</a> + </LI> + </UL> + +<hr> +<a href="https://www.mageia.org/mailman/listinfo/mageia-dev">More information about the Mageia-dev +mailing list</a><br> +</body></html> |