From mboxrd@z Thu Jan 1 00:00:00 1970 From: William Pettersson Date: Thu, 19 Jul 2007 13:55:55 +1000 Subject: [Buildroot] ARCH not being sent by make menuconfig - kernel compile fails to start In-Reply-To: <469EB5BB.1090506@strudel-hound.com> References: <469DE854.6090401@strudel-hound.com> <469EB5BB.1090506@strudel-hound.com> Message-ID: <469EE0CB.2090401@strudel-hound.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: buildroot@busybox.net William Pettersson wrote: > > > William Pettersson wrote: >> First off, sorry for the cross-post. I posted this to the busybox >> mailing list first, instead of the buildroot list. My bad there, but >> since that was completely the wrong mailing list, I'm posting it here. > > >> So, I'm trying to set up a buildroot image for a soekris net4801. I ran >> make menuconfig, Target Architecture is set to "i386", Target >> Architecture Variant is set to "geode". > >> However, when I run "make", I get the following >> (cd /home/wpettersson/src/buildroot/build_/linux-2.6.21.5 ; \ >> /usr/bin/make -j1 ARCH= CC="/usr/bin/gcc" \ > >> INSTALL_HDR_PATH=/home/wpettersson/src/buildroot/toolchain_build_/linux >> headers_install ; \ >> ) >> make[1]: Entering directory >> `/home/wpettersson/src/buildroot/build_/linux-2.6.21.5' >> Makefile:491: >> /home/wpettersson/src/buildroot/build_/linux-2.6.21.5/arch//Makefile: No >> such file or directory >> make[1]: *** No rule to make target >> `/home/wpettersson/src/buildroot/build_/linux-2.6.21.5/arch//Makefile'. >> Stop. >> make[1]: Leaving directory >> `/home/wpettersson/src/buildroot/build_/linux-2.6.21.5' >> make: *** >> [/home/wpettersson/src/buildroot/toolchain_build_/linux/.configured] Error 2 > >> From the looks of it, "ARCH" isn't being set, which stuffs things up. >> I've tested by running the make command manually, with ARCH=i386, and >> that seemed to work. > >> I wasn't sure which configuration files would be required, so to save >> space I didn't include any. If any are wanted, I'll gladly post them. > >> Anyone know where ARCH is meant to be set? > > Ok, I've investigated some more. If the Target Architecture Variant is > set to "i386", I get the following > > wpettersson ~/buildroot/package/config/buildroot-config $ grep i386 * > auto.conf:BR2_i386=y > auto.conf:BR2_ARCH="i386" > auto.conf:BR2_x86_i386=y > auto.conf:BR2_GCC_TARGET_ARCH="i386" > auto.conf:BR2_GCC_TARGET_TUNE="i386" > autoconf.h:#define BR2_i386 1 > autoconf.h:#define BR2_ARCH "i386" > autoconf.h:#define BR2_x86_i386 1 > autoconf.h:#define BR2_GCC_TARGET_ARCH "i386" > autoconf.h:#define BR2_GCC_TARGET_TUNE "i386" > > However, if I set Target Architecture Variant to "geode", I get > wpettersson ~/buildroot/package/config/buildroot-config $ grep geode * > auto.conf:BR2_x86_geode=y > auto.conf:BR2_GCC_TARGET_ARCH="geode" > auto.conf:BR2_GCC_TARGET_TUNE="geode" > autoconf.h:#define BR2_x86_geode 1 > autoconf.h:#define BR2_GCC_TARGET_ARCH "geode" > autoconf.h:#define BR2_GCC_TARGET_TUNE "geode" > > > So selecting "geode" means that BR2_ARCH doesn't get set. I'm still > trying to dig through the code, but am I heading in the right direction > with this? > > Ok, I've attached a patch which might fix this. Config.in doesn't set BR2_ARCH at all for geode, so I patched it to set BR2_ARCH to "i586". Now I'm just trying to work out why gcc-4.2.0 has issues with ./configure and --with-arch=geode. Will -------------- next part -------------- An embedded and charset-unspecified text was scrubbed... Name: Config.in.patch Url: http://busybox.net/lists/buildroot/attachments/20070719/5d4cdc25/attachment-0001.diff