On Wed, Jun 08, 2016 at 07:45:07PM +0000, Mark Morgan Lloyd wrote: > I've been trying to rebuild xl2tpd 1.3.6 (rationale etc. below) on a > Raspberry Pi before moving to the next version since its changelog suggests > that it fixes a problem we're experiencing. Whether I use pukka Debian > Jessie as described at > http://sjoerd.luon.net/posts/2015/02/debian-jessie-on-rpi2/ or the current > Raspbian Lite, the stripped binaries come out about 1K smaller than expected > and crash the system as soon as there's network traffic. > > Looking at the original and newly-built binaries using readelf, I can see > that the original has reference to > > 0x00000001 (NEEDED) Shared library: [ld-linux-armhf.so.3] > > which the new one lacks. I also see that the original has > > Displaying notes [...] > Attribute Section: aeabi > File Attributes > Tag_CPU_name: "7-A" > Tag_CPU_arch: v7 > Tag_CPU_arch_profile: Application > Tag_ARM_ISA_use: Yes > Tag_THUMB_ISA_use: Thumb-2 > Tag_FP_arch: VFPv3-D16 > > while the new one has > > Displaying notes [...] > Attribute Section: aeabi > File Attributes > Tag_CPU_name: "6" > Tag_CPU_arch: v6 > Tag_ARM_ISA_use: Yes > Tag_THUMB_ISA_use: Thumb-1 > Tag_FP_arch: VFPv2 > > Does this indicate that the makefile etc. has failed to work out the target > architecture correctly? > > I'm a comparative beginner at building stuff on Debian, although I've been > doing it for rather a long time on lesser distreaux. Are there any obvious > gotchas that I need to be aware of, or anything Pi-specific that might need > to be added to the makefile? > > Background info: Our ISP (Andrews & Arnold in the UK) provides a service > where customers may connect using PPP-over-L2TP via e.g. 4G, which allows > mailservers etc. to remain routable even if a copper/fibre line goes down. > Using xl2tpd 1.3.6 I'm finding that the daemon freezes when the connection > is broken, the changelog for 1.3.7 suggests that this is a fixed problem. > There's also https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=760602 which > might be relevant.
Did you get that backwards? For a raspberry pi, you need the v6 code. Normal Debian armhf uses v7 with thumb-2 and would only work on a raspberry pi 2 or better, not the original. -- Len Sorensen
