57 lines
1.6 KiB
Makefile
57 lines
1.6 KiB
Makefile
obj-m += sharp-drm.o
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sharp-drm-objs += src/main.o src/drm_iface.o src/params_iface.o src/ioctl_iface.o
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ccflags-y := -g -std=gnu99 -Wno-declaration-after-statement
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dtb-y += sharp-drm.dtbo
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targets += $(dtbo-y)
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always := $(dtbo-y)
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.PHONY: all clean install uninstall
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# LINUX_DIR is set by Buildroot, but not if running manually
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ifeq ($(LINUX_DIR),)
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LINUX_DIR := /lib/modules/$(shell uname -r)/build
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endif
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# BUILD_DIR is set by DKMS, but not if running manually
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ifeq ($(BUILD_DIR),)
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BUILD_DIR := .
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endif
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BOOT_CONFIG_LINE := dtoverlay=sharp-drm
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all:
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$(MAKE) -C '$(LINUX_DIR)' M='$(shell pwd)'
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install_modules:
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$(MAKE) -C '$(LINUX_DIR)' M='$(shell pwd)' modules_install
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# Rebuild dependencies
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depmod -A
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install: install_modules install_aux
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# Separate rule to be called from DKMS
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install_aux:
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# Install device tree overlay
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install -D -m 0644 $(BUILD_DIR)/sharp-drm.dtbo /boot/overlays/
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# Add configuration line if it wasn't already there
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grep -qxF '$(BOOT_CONFIG_LINE)' /boot/config.txt \
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|| echo '[all]\ndtparam=spi=on\n$(BOOT_CONFIG_LINE)' >> /boot/config.txt
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# Add auto-load module line if it wasn't already there
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grep -qxF 'sharp-drm' /etc/modules \
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|| echo 'sharp-drm' >> /etc/modules
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# Rebuild dependencies
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depmod -A
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uninstall:
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# Remove auto-load module line and create a backup file
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sed -i.save '/sharp-drm/d' /etc/modules
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# Remove configuration line and create a backup file
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sed -i.save '/$(BOOT_CONFIG_LINE)/d' /boot/config.txt
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# Remove device tree overlay
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rm -f /boot/overlays/sharp-drm.dtbo
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clean:
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$(MAKE) -C '$(LINUX_DIR)' M='$(shell pwd)' clean
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