macOS:

breakpad - clone breakpad like for msvc, including the patch, open breakpad/src/client/mac/Breakpad.xcodeproj and build Release
dump_syms - open breakpad/src/tools/mac/dump_syms/dump_syms.xcodeproj and build Release, copy dump_syms from ~/Library/Developer/Xcode/DerivedData/dump_syms-[a-z0-9]+/Build/Products/Release/ to BuildPath/Libraries/breakpad/src/tools/mac/dump_syms/build/Release/
minidump_stackwalk - go to Libraries/breakpad, run "configure", run "make"

Windows:

install InnoSetup
open brekpad/src/tools/windows/dump_syms/dump_syms.vcproj, upgrade, change SDK and build Debug and Release