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I was making a new package from scratch when noticing it is already packaged in Fedora, so, I asked to become comaintainer in pkgdb, and also updated the package I built to copy the changelog from the previous one. Please check if it is good enough. Spec: http://pcpa.fedorapeople.org/lightning.spec Srpm: http://pcpa.fedorapeople.org/lightning-2.0.0-1.src.rpm
Fixed in Rawhide and F20.
I was looking to see any build failure on koji, but did not see any, so, you should not need to ExcludeArch armv7hl, as it is supposed to work on all combinations or armv4 - armv7 and any abi, but I have been testing only on qemu for a long time, so there may be some minor issue on actual hardware.
I have tried to build lightning agains armv7hl on koji and has got error messages about unproper format specifies "%ld" and "%lx" in the printf statement. Thiw was the reason for the ExcludeArch statement. You may not find the failed builds because they are overwritten by the successful build.
Those warnings are harmless. I should properly fix it at some point, but they are harmless. I only test it regularly under qemu, on a Mandriva armv7hl port I made 2 years ago, but it is supposed to work correctly on Fedora armv7hl. It detects the proper arm environment from gcc defines and from /proc/cpuinfo.