include(common.pri)
include(functions.pri)

defineReplace(extractCFlag) {
    return($$qtwebengine_extractCFlag($$1))
}

QT_FOR_CONFIG += gui-private webenginecore-private

gn_args += \
    use_cups=false \
    use_gio=false \
    use_gnome_keyring=false \
    linux_use_bundled_binutils=false \
    use_udev=true \
    use_bundled_fontconfig=false \
    use_sysroot=false \
    enable_session_service=false \
    is_cfi=false \
    strip_absolute_paths_from_debug_symbols=false \
    toolkit_views=false \
    use_ozone=true \
    ozone_auto_platforms=false \
    ozone_platform_headless=false \
    ozone_platform_external=true \
    ozone_platform=\"qt\" \
    ozone_extra_path=\"$$QTWEBENGINE_ROOT/src/core/ozone/ozone_extra.gni\"

qtConfig(webengine-embedded-build) {
    gn_args += is_desktop_linux=false
}

use_gold_linker: gn_args += use_gold=true
else: gn_args += use_gold=false

use_lld_linker: gn_args += use_lld=true
else: gn_args += use_lld=false

clang {
    clang_full_path = $$which($${QMAKE_CXX})
    # Remove the "/bin/clang++" part.
    clang_prefix = $$section(clang_full_path, /, 0, -3)
    gn_args += \
        is_clang=true \
        clang_use_chrome_plugins=false \
        clang_use_default_sample_profile=false \
        clang_base_path=\"$${clang_prefix}\"

    linux-clang-libc++: gn_args += use_libcxx=true
} else {
    gn_args += \
        is_clang=false
}

cross_compile:!host_build {
    TOOLCHAIN_SYSROOT = $$[QT_SYSROOT]
    !isEmpty(TOOLCHAIN_SYSROOT): gn_args += target_sysroot=\"$${TOOLCHAIN_SYSROOT}\"
}

contains(QT_ARCH, "arm") {
    # Extract ARM specific compiler options that we have to pass to gn,
    # but let gn figure out a default if an option is not present.
    MTUNE = $$extractCFlag("-mtune=.*")
    !isEmpty(MTUNE): gn_args += arm_tune=\"$$MTUNE\"

    MFLOAT = $$extractCFlag("-mfloat-abi=.*")
    !isEmpty(MFLOAT): gn_args += arm_float_abi=\"$$MFLOAT\"

    MARCH = $$extractCFlag("-march=.*")
    !isEmpty(MARCH): gn_args += arm_arch=\"$$MARCH\"

    MARMV = $$replace(MARCH, "armv",)
    !isEmpty(MARMV) {
        MARMV = $$split(MARMV,)
        MARMV = $$member(MARMV, 0)
        lessThan(MARMV, 6): error("$$MARCH architecture is not supported")
        gn_args += arm_version=$$MARMV
    }

    # TODO: use neon detection from qtbase
    !lessThan(MARMV, 8) {
        gn_args += arm_use_neon=true
    } else {
        MFPU = $$extractCFlag("-mfpu=.*")
        !isEmpty(MFPU):contains(MFPU, ".*neon.*") {
            gn_args += arm_use_neon=true
        } else {
            gn_args += arm_use_neon=false
            # If the toolchain does not explicitly specify to use NEON instructions
            # we use arm_neon_optional for ARMv7
            equals(MARMV, 7): gn_args += arm_optionally_use_neon=true
        }
    }

    qtConfig(webengine-arm-thumb) {
        gn_args += arm_use_thumb=true # this adds -mthumb
    } else {
        gn_args += arm_use_thumb=false
        !qtConfig(webengine-system-ffmpeg) {
             # Fixme QTBUG-71772
             gn_args += media_use_ffmpeg=false
             gn_args += use_webaudio_ffmpeg=false
        }
    }
}

contains(QT_ARCH, "mips") {
    MARCH = $$extractCFlag("-march=.*")
    !isEmpty(MARCH) {
        equals(MARCH, "mips32r6"): gn_args += mips_arch_variant=\"r6\"
        else: equals(MARCH, "mips32r2"): gn_args += mips_arch_variant=\"r2\"
        else: equals(MARCH, "mips32"): gn_args += mips_arch_variant=\"r1\"
    } else {
        contains(QMAKE_CFLAGS, "mips32r6"): gn_args += mips_arch_variant=\"r6\"
        else: contains(QMAKE_CFLAGS, "mips32r2"): gn_args += mips_arch_variant=\"r2\"
        else: contains(QMAKE_CFLAGS, "mips32"): gn_args += mips_arch_variant=\"r1\"
    }

    contains(QMAKE_CFLAGS, "-mmsa"): gn_args += mips_use_msa=true

    contains(QMAKE_CFLAGS, "-mdsp2"): gn_args += mips_dsp_rev=2
    else: contains(QMAKE_CFLAGS, "-mdsp"): gn_args += mips_dsp_rev=1
}

host_build {
    gn_args += custom_toolchain=\"$$QTWEBENGINE_OUT_ROOT/src/toolchain:host\"
    GN_HOST_CPU = $$gnArch($$QT_ARCH)
    gn_args += host_cpu=\"$$GN_HOST_CPU\"
    # Don't bother trying to use system libraries in this case
    gn_args += use_glib=false
} else {
    gn_args += custom_toolchain=\"$$QTWEBENGINE_OUT_ROOT/src/toolchain:target\"
    gn_args += host_toolchain=\"$$QTWEBENGINE_OUT_ROOT/src/toolchain:host\"
    GN_TARGET_CPU = $$gnArch($$QT_ARCH)
    cross_compile {
        gn_args += v8_snapshot_toolchain=\"$$QTWEBENGINE_OUT_ROOT/src/toolchain:v8_snapshot\"
        # FIXME: we should set host_cpu in case host-toolchain doesn't match os arch,
        # but currently we don't it available at this point
        gn_args += target_cpu=\"$$GN_TARGET_CPU\"
    } else {
        gn_args += host_cpu=\"$$GN_TARGET_CPU\"
    }
    !contains(QT_CONFIG, no-pkg-config) {
        # Strip '>2 /dev/null' from $$pkgConfigExecutable()
        PKGCONFIG = $$first($$list($$pkgConfigExecutable()))
        gn_args += pkg_config=\"$$PKGCONFIG\"
        PKG_CONFIG_HOST = $$(GN_PKG_CONFIG_HOST)
        pkgConfigLibDir = $$(PKG_CONFIG_LIBDIR)
        pkgConfigSysrootDir = $$(PKG_CONFIG_SYSROOT_DIR)
        isEmpty(PKG_CONFIG_HOST): cross_compile {
            !isEmpty(pkgConfigLibDir)|!isEmpty(pkgConfigSysrootDir) {
                PKG_CONFIG_HOST = $$pkgConfigHostExecutable()
            }
        }
        isEmpty(PKG_CONFIG_HOST): PKG_CONFIG_HOST = $$QMAKE_PKG_CONFIG_HOST
        gn_args += host_pkg_config=\"$$PKG_CONFIG_HOST\"
    }

    qtConfig(webengine-system-zlib) {
        qtConfig(webengine-system-minizip): gn_args += use_system_zlib=true use_system_minizip=true
        qtConfig(webengine-printing-and-pdf): gn_args += pdfium_use_system_zlib=true
    }
    qtConfig(webengine-system-png) {
        gn_args += use_system_libpng=true
        qtConfig(webengine-printing-and-pdf): gn_args += pdfium_use_system_libpng=true
    }
    qtConfig(webengine-system-jpeg): gn_args += use_system_libjpeg=true
    qtConfig(webengine-system-freetype): gn_args += use_system_freetype=true
    qtConfig(webengine-system-harfbuzz): gn_args += use_system_harfbuzz=true
    !qtConfig(webengine-system-glib): gn_args += use_glib=false
    qtConfig(webengine-pulseaudio) {
        gn_args += use_pulseaudio=true
    } else {
        gn_args += use_pulseaudio=false
    }
    qtConfig(webengine-alsa) {
        gn_args += use_alsa=true
    } else {
        gn_args += use_alsa=false
    }
    !packagesExist(libpci): gn_args += use_libpci=false

    qtConfig(webengine-ozone-x11) {
        gn_args += ozone_platform_x11=true
        packagesExist(xscrnsaver): gn_args += use_xscrnsaver=true
    }

    qtConfig(webengine-system-libevent): gn_args += use_system_libevent=true
    qtConfig(webengine-system-libwebp):  gn_args += use_system_libwebp=true
    qtConfig(webengine-system-libxml2):  gn_args += use_system_libxml=true use_system_libxslt=true
    qtConfig(webengine-system-opus):     gn_args += use_system_opus=true
    qtConfig(webengine-system-snappy):   gn_args += use_system_snappy=true
    qtConfig(webengine-system-libvpx):   gn_args += use_system_libvpx=true
    qtConfig(webengine-system-icu):      gn_args += use_system_icu=true icu_use_data_file=false
    qtConfig(webengine-system-ffmpeg):   gn_args += use_system_ffmpeg=true
    qtConfig(webengine-system-re2):      gn_args += use_system_re2=true
    qtConfig(webengine-system-lcms2):    gn_args += use_system_lcms2=true

    # FIXME:
    #qtConfig(webengine-system-protobuf): gn_args += use_system_protobuf=true
    #qtConfig(webengine-system-jsoncpp): gn_args += use_system_jsoncpp=true
    #qtConfig(webengine-system-libsrtp: gn_args += use_system_libsrtp=true
}