about:buildconfig

Build platform

target
i586-pc-msvc

Build tools

Compiler	Version	Compiler flags
$(CYGWIN_WRAPPER) cl	12.00.8804	-TC -nologo -W3 -Gy -Fd$(PDBFILE)
$(CYGWIN_WRAPPER) cl	12.00.8804	-TP -nologo -W3 -Gy -Fd$(PDBFILE)

Configure arguments

--enable-application=browser --enable-update-channel=release --enable-official-branding --enable-optimize --disable-debug --disable-tests --enable-static --disable-shared --enable-svg --enable-canvas --enable-update-packaging