\
$(portable_platform_abstraction_src_dir)/image-operations.cpp \
$(portable_platform_abstraction_src_dir)/pixel-manipulation.cpp \
- $(portable_platform_abstraction_src_dir)/alpha-mask.cpp
+ $(portable_platform_abstraction_src_dir)/alpha-mask.cpp \
+ $(portable_platform_abstraction_src_dir)/gaussian-blur.cpp
# Add public headers here: