I can reproduce the build failure when building a standalone copy of libvpx (https://chromium.googlesource.com/webm/libvpx/) on a porter box:
$ make [CC] vp8/common/treecoder.c.o vp8/common/treecoder.c: In function 'tree2tok': vp8/common/treecoder.c:32:9: error: invalid use of array with unspecified bounds const vp8_tree_index j = t[i++]; ^ vp8/common/treecoder.c:32:34: warning: initialization makes integer from pointer without a cast [-Wint-conversion] const vp8_tree_index j = t[i++]; ^ vp8/common/treecoder.c: In function 'branch_counts': vp8/common/treecoder.c:96:13: error: invalid use of array with unspecified bounds i = tree[ i + b]; ^ vp8/common/treecoder.c:96:15: warning: assignment makes integer from pointer without a cast [-Wint-conversion] i = tree[ i + b]; ^ Makefile:152: recipe for target 'vp8/common/treecoder.c.o' failed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1527741 Title: oxide-qt 1.11.3-0ubuntu2 FTBFS on armhf due to compiler segfault To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gcc-5/+bug/1527741/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs