+++ /dev/null
-common-obj-$(CONFIG_I2C) += core.o
-common-obj-$(CONFIG_SMBUS) += smbus_slave.o smbus_master.o
-common-obj-$(CONFIG_SMBUS_EEPROM) += smbus_eeprom.o
-common-obj-$(CONFIG_VERSATILE_I2C) += versatile_i2c.o
-common-obj-$(CONFIG_ACPI_X86_ICH) += smbus_ich9.o
-common-obj-$(CONFIG_ACPI_SMBUS) += pm_smbus.o
-common-obj-$(CONFIG_BITBANG_I2C) += bitbang_i2c.o
-common-obj-$(CONFIG_EXYNOS4) += exynos4210_i2c.o
-common-obj-$(CONFIG_IMX_I2C) += imx_i2c.o
-common-obj-$(CONFIG_ASPEED_SOC) += aspeed_i2c.o
-common-obj-$(CONFIG_NRF51_SOC) += microbit_i2c.o
-common-obj-$(CONFIG_MPC_I2C) += mpc_i2c.o
-common-obj-$(CONFIG_OMAP) += omap_i2c.o
-common-obj-$(CONFIG_PPC4XX) += ppc4xx_i2c.o
--- /dev/null
+i2c_ss = ss.source_set()
+i2c_ss.add(when: 'CONFIG_I2C', if_true: files('core.c'))
+i2c_ss.add(when: 'CONFIG_SMBUS', if_true: files('smbus_slave.c', 'smbus_master.c'))
+i2c_ss.add(when: 'CONFIG_ACPI_SMBUS', if_true: files('pm_smbus.c'))
+i2c_ss.add(when: 'CONFIG_ACPI_X86_ICH', if_true: files('smbus_ich9.c'))
+i2c_ss.add(when: 'CONFIG_ASPEED_SOC', if_true: files('aspeed_i2c.c'))
+i2c_ss.add(when: 'CONFIG_BITBANG_I2C', if_true: files('bitbang_i2c.c'))
+i2c_ss.add(when: 'CONFIG_EXYNOS4', if_true: files('exynos4210_i2c.c'))
+i2c_ss.add(when: 'CONFIG_IMX_I2C', if_true: files('imx_i2c.c'))
+i2c_ss.add(when: 'CONFIG_MPC_I2C', if_true: files('mpc_i2c.c'))
+i2c_ss.add(when: 'CONFIG_NRF51_SOC', if_true: files('microbit_i2c.c'))
+i2c_ss.add(when: 'CONFIG_SMBUS_EEPROM', if_true: files('smbus_eeprom.c'))
+i2c_ss.add(when: 'CONFIG_VERSATILE_I2C', if_true: files('versatile_i2c.c'))
+i2c_ss.add(when: 'CONFIG_OMAP', if_true: files('omap_i2c.c'))
+i2c_ss.add(when: 'CONFIG_PPC4XX', if_true: files('ppc4xx_i2c.c'))
+softmmu_ss.add_all(when: 'CONFIG_I2C', if_true: i2c_ss)