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diff --git a/zarb-ml/mageia-dev/2011-June/005584.html b/zarb-ml/mageia-dev/2011-June/005584.html new file mode 100644 index 000000000..36f7a1b6f --- /dev/null +++ b/zarb-ml/mageia-dev/2011-June/005584.html @@ -0,0 +1,255 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN"> +<HTML> + <HEAD> + <TITLE> [Mageia-dev] Cross compile x86_64 on i586 for icecream? + </TITLE> + <LINK REL="Index" HREF="index.html" > + <LINK REL="made" HREF="mailto:mageia-dev%40mageia.org?Subject=Re%3A%20%5BMageia-dev%5D%20Cross%20compile%20x86_64%20on%20i586%20for%20icecream%3F&In-Reply-To=%3C4DF71B77.1090901%40colin.guthr.ie%3E"> + <META NAME="robots" CONTENT="index,nofollow"> + <META http-equiv="Content-Type" content="text/html; charset=us-ascii"> + <LINK REL="Previous" HREF="005527.html"> + <LINK REL="Next" HREF="005588.html"> + </HEAD> + <BODY BGCOLOR="#ffffff"> + <H1>[Mageia-dev] Cross compile x86_64 on i586 for icecream?</H1> + <B>Colin Guthrie</B> + <A HREF="mailto:mageia-dev%40mageia.org?Subject=Re%3A%20%5BMageia-dev%5D%20Cross%20compile%20x86_64%20on%20i586%20for%20icecream%3F&In-Reply-To=%3C4DF71B77.1090901%40colin.guthr.ie%3E" + TITLE="[Mageia-dev] Cross compile x86_64 on i586 for icecream?">mageia at colin.guthr.ie + </A><BR> + <I>Tue Jun 14 10:27:35 CEST 2011</I> + <P><UL> + <LI>Previous message: <A HREF="005527.html">[Mageia-dev] Cross compile x86_64 on i586 for icecream? +</A></li> + <LI>Next message: <A HREF="005588.html">[Mageia-dev] Cross compile x86_64 on i586 for icecream? +</A></li> + <LI> <B>Messages sorted by:</B> + <a href="date.html#5584">[ date ]</a> + <a href="thread.html#5584">[ thread ]</a> + <a href="subject.html#5584">[ subject ]</a> + <a href="author.html#5584">[ author ]</a> + </LI> + </UL> + <HR> +<!--beginarticle--> +<PRE>'Twas brillig, and Christiaan Welvaart at 13/06/11 12:24 did gyre and +gimble: +><i> On Mon, 13 Jun 2011, Colin Guthrie wrote: +</I>><i> +</I>>><i> I'm not exactly a guru with icecream but is it possible to build a +</I>>><i> toolchain that can allow i586 nodes to compile x86_64 code? +</I>><i> +</I>><i> If your question is about the toolchain, have you tried simply passing +</I>><i> -m64 to gcc? +</I> +OK, so for the record, this doesn't work. + +However I checked out our tool chain and the RPMs accept some handy +arguments. Yay! + +Sadly they don't really work! + +I was able to build binutils via: + rpmbuild --define "cross x86_64" --define "_topdir $(pwd)" -bb +SPECS/binutils.spec + +But then I tried gcc via: + rpmbuild --define "cross_bootstrap x86_64" --define "_topdir $(pwd)" +-bb SPECS/gcc.spec + +(it needs to bootstrap to build glibc which can then be used to rebuild +gcc again fully). + +Sadly this bombed out: +/home/colin/Mageia/gcc/BUILD/gcc-4.5.2/obj-x86_64-mageia-linux-gnu/./gcc/xgcc +-B/home/colin/Mageia/gcc/BUILD/gcc-4.5.2/obj-x86_64-mageia-linux-gnu/./gcc/ +-B/usr/x86_64-mageia-linux-gnu/bin/ -B/usr/x86_64-mageia-linux-gnu/lib/ +-isystem /usr/x86_64-mageia-linux-gnu/include -isystem +/usr/x86_64-mageia-linux-gnu/sys-include +--sysroot=/home/colin/Mageia/gcc/BUILD/gcc-4.5.2/obj-x86_64-mageia-linux-gnu/../sysroot + -O2 -g -pipe -m32 -O2 -O2 -g -pipe -DIN_GCC +-DCROSS_DIRECTORY_STRUCTURE -DNATIVE_CROSS -W -Wall -Wwrite-strings +-Wcast-qual -Wstrict-prototypes -Wmissing-prototypes +-Wold-style-definition -isystem ./include -fPIC -g -DIN_LIBGCC2 +-D__GCC_FLOAT_NOT_NEEDED -I. -I. -I../../.././gcc -I../../../../libgcc +-I../../../../libgcc/. -I../../../../libgcc/../gcc +-I../../../../libgcc/../include -I../../../../libgcc/config/libbid +-DENABLE_DECIMAL_BID_FORMAT -DHAVE_CC_TLS -DUSE_TLS -o _muldi3.o -MT +_muldi3.o -MD -MP -MF _muldi3.dep -DL_muldi3 -c +../../../../libgcc/../gcc/libgcc2.c +In file included from ../../../../libgcc/../gcc/tsystem.h:87:0, + from ../../../../libgcc/../gcc/libgcc2.c:29: +/home/colin/Mageia/gcc/BUILD/gcc-4.5.2/obj-x86_64-mageia-linux-gnu/./gcc/include-fixed/stdio.h:13:23: +fatal error: sys/types.h: No such file or directory +compilation terminated. + + + +Now it seems that adding -Dinhibit_libc here works a treat, but I've no +idea if this is appropriate. The files sys/types.h is included in the +source but e.g. sys/syscall.h is not (this is subsequently needed if you +fix the include path to point at the included lsb headers). + + +As I know nothing about the tool chain.... + + Q1. Should we be setting -Dinhibit_libc during this bootstrap stage? + Q2. Would it be better to use the lsb-headers instead and somehow find +syscall.h? + Q3. Am I doing something dumb? + +Cheers + +Col + +-- + +Colin Guthrie +mageia(at)colin.guthr.ie +<A HREF="http://colin.guthr.ie/">http://colin.guthr.ie/</A> + +Day Job: + Tribalogic Limited [<A HREF="http://www.tribalogic.net/">http://www.tribalogic.net/</A>] +Open Source: + Mageia Contributor [<A HREF="http://www.mageia.org/">http://www.mageia.org/</A>] + PulseAudio Hacker [<A HREF="http://www.pulseaudio.org/">http://www.pulseaudio.org/</A>] + Trac Hacker [<A HREF="http://trac.edgewall.org/">http://trac.edgewall.org/</A>] +</PRE> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +<!--endarticle--> + <HR> + <P><UL> + <!--threads--> + <LI>Previous message: <A HREF="005527.html">[Mageia-dev] Cross compile x86_64 on i586 for icecream? +</A></li> + <LI>Next message: <A HREF="005588.html">[Mageia-dev] Cross compile x86_64 on i586 for icecream? +</A></li> + <LI> <B>Messages sorted by:</B> + <a href="date.html#5584">[ date ]</a> + <a href="thread.html#5584">[ thread ]</a> + <a href="subject.html#5584">[ subject ]</a> + <a href="author.html#5584">[ 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> |