Tools/qmake/mkspecs/features/production_build.prf

# All in one files reduce memory usage at link time. At compiler time the code
# visibility for the compiler increases and faster more compact code can be produced,
# so turn it on in production builds.
CONFIG *= use_all_in_one_files

# Builds with debug flags result in a huge amount of symbols with the GNU toolchain,
# resulting in the need of several gigabytes of memory at link-time. Reduce the pressure
# by compiling any static library like WTF or JSC with release flags instead and keep debug
# symbols for the static libraries that implement API.
linux-*|win32-g++*:if(CONFIG(debug, debug|release)|contains(QT_CONFIG,separate_debug_info)):contains(TEMPLATE, lib):staticlib {
    !equals(TARGET, WebKit2):!equals(TARGET, WebKitWidgets) {
        CONFIG += no_debug_info
        CONFIG -= separate_debug_info
        QMAKE_CFLAGS += $$QMAKE_CFLAGS_RELEASE
        QMAKE_CXXFLAGS += $$QMAKE_CXXFLAGS_RELEASE
    }
}