Building on 64bit Linux with cef_binary_1.1180.724_linux_x64.tar.gz from the Github downloads section works fine, but when building with the 32bit version, cef_binary_1.1180.724_linux_ia32.tar.gz, the build fails because of missing shared library libffmpegsumo.so.
gyp info using node...@0.7.0
gyp info using no...@0.8.11 | linux | ia32
gyp info spawn make
gyp info spawn args [ 'BUILDTYPE=Release', '-C', 'build' ]
make: Entering directory `/home/epeli/code/appjs/build'
make: *** No rule to make target `/home/epeli/code/appjs/deps/cef/Release/lib.target/libffmpegsumo.so', needed by `/home/epeli/code/appjs/app/data/bin/libffmpegsumo.so'. Stop.
make: Leaving directory `/home/epeli/code/appjs/build'