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+Build fails on optionrom
+
+Git pseudo-bisected (focused on optionrom commits) it to this commit.
+
+commit cdbd727c20ad7aac7797dc8c95e485e1a4c6901b
+Author: Richard Henderson <email address hidden>
+Date:   Thu Jul 7 21:49:36 2016 -0700
+
+    build: Use $(AS) for optionrom explicitly
+
+
+Build output (non-verbose):
+
+  AS    optionrom/linuxboot.o
+cpp: fatal error: '-c' is not a valid option to the preprocessor
+compilation terminated.
+cpp: fatal error: '-c' is not a valid option to the preprocessor
+compilation terminated.
+  CC    optionrom/linuxboot_dma.o
+  CC    /home/bkamath/dev/workspace/block-2/mothra/output/sp0/targetqga/main.o
+  AS    optionrom/kvmvapic.o
+cpp: fatal error: '-c' is not a valid option to the preprocessor
+compilation terminated.
+
+Steps to reproduce:
+Using buildroot and overriding qemu version to 2.7.0
+Fedora 24, cpp (GCC) 6.2.1 20160916 (Red Hat 6.2.1-2)
+
+I tried first just building without the -c option but it hangs indefinitely. Reverting the above listed commit fixes the problem on my platform. I didn't dive much further into this, because this seems like a regression.
+
+I am seeing the same problem.  Cross compiling QEMU 2.7 using buildroot get fatal error -c is not a valid option.  As Benjamin states removing the -c flag from Makefile gets through the compile, but when booting a virtual image of Ubuntu 16.04 the network does not come up (console is live and you can login through the console, but the only network interface is loopback) I have not diagnosed further.
+
+I was not able to simply back out the optionrom commit Benjamin cites... caused problems elsewhere, perhaps because I was not doing it right.  Reverting to QEMU 2.6.2 does work.
+
+David
+
+Looking through old bug tickets... can you still reproduce this issue with the latest version of QEMU? Or could we close this ticket nowadays?
+
+[Expired for QEMU because there has been no activity for 60 days.]
+