JavaScriptCore/Configurations/DebugRelease.xcconfig

#include "Base.xcconfig"
MACOSX_DEPLOYMENT_TARGET = $(MACOSX_DEPLOYMENT_TARGET_$(MAC_OS_X_VERSION_MAJOR));
MACOSX_DEPLOYMENT_TARGET_ = 10.4;
MACOSX_DEPLOYMENT_TARGET_1040 = 10.4;
MACOSX_DEPLOYMENT_TARGET_1050 = 10.5;