Why so big?

Why is your putty.exe so much bigger than the stock PuTTY?

• Stock: 472kb

• Plain rebuild with VS2010: 516kb (+44kb)

• Plus some standard optimisations (+ /GL): 530kb (+14kb)

• Plus some standard safety checks (+ /GS /Gy /dynamicbase /D_CRT_SECURE_CPP_OVERLOAD_SECURE_NAMES): 530kb (+0kb)

• Plus debug information (+ /Zi /debug): 615kb (+85kb)

• Plus icons: 744kb (+128kb)

• Plus signature: 749kb (+5kb)

• Plus original PuTTYTray patches: 836kb (+87kb)

• Plus changes through p0.62-t010: 838kb (+2kb)

• Compiling instead for x64: 988kb (+150kb).

• Compressing with upx 3.0.8 --best and re-signing: 461kb (~1/2 size)