Apply patch libgcc of gcc4.9.4 has issue on newer environment diff -ur gcc-4.9.4/libgcc/config/i386/linux-unwind.h new-gcc-4.9.4/libgcc/config/i386/linux-unwind.h --- gcc-4.9.4/libgcc/config/i386/linux-unwind.h 2014-01-03 07:25:22.00000000…