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SukiSU-Ultra/kernel/Makefile
Azyr Ruthless 5782afe481 kernel: add __poll_t compat for pre-4.16 and backported kernels (#194) 
__poll_t was introduced in v4.16-rc1. Add Makefile header check to detect and provide fallback for older kernels and those with backports.

Signed-off-by: AzyrRuthless <azyrruthless@tutamail.com>
2025-11-08 12:11:35 +08:00

181 lines
6.6 KiB
Makefile
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kernelsu-objs := ksu.o
kernelsu-objs += allowlist.o
kernelsu-objs += dynamic_manager.o
kernelsu-objs += apk_sign.o
kernelsu-objs += sucompat.o
kernelsu-objs += throne_tracker.o
kernelsu-objs += pkg_observer.o
kernelsu-objs += core_hook.o
kernelsu-objs += supercalls.o
kernelsu-objs += feature.o
kernelsu-objs += throne_tracker.o
kernelsu-objs += ksud.o
kernelsu-objs += embed_ksud.o
kernelsu-objs += kernel_compat.o
kernelsu-objs += file_wrapper.o
kernelsu-objs += throne_comm.o
kernelsu-objs += selinux/selinux.o
kernelsu-objs += selinux/sepolicy.o
kernelsu-objs += selinux/rules.o
ccflags-y += -I$(srctree)/security/selinux -I$(srctree)/security/selinux/include
ccflags-y += -I$(objtree)/security/selinux -include $(srctree)/include/uapi/asm-generic/errno.h
obj-$(CONFIG_KSU) += kernelsu.o
obj-$(CONFIG_KSU_TRACEPOINT_HOOK) += ksu_trace_export.o
obj-$(CONFIG_KPM) += kpm/
REPO_OWNER := SukiSU-Ultra
REPO_NAME := SukiSU-Ultra
REPO_BRANCH := main
KSU_VERSION_API := 4.0.0
GIT_BIN := /usr/bin/env PATH="$$PATH":/usr/bin:/usr/local/bin git
CURL_BIN := /usr/bin/env PATH="$$PATH":/usr/bin:/usr/local/bin curl
KSU_GITHUB_VERSION := $(shell $(CURL_BIN) -s "https://api.github.com/repos/$(REPO_OWNER)/$(REPO_NAME)/releases/latest" | grep '"tag_name":' | sed -E 's/.*"v([^"]+)".*/\1/')
KSU_GITHUB_VERSION_COMMIT := $(shell $(CURL_BIN) -sI "https://api.github.com/repos/$(REPO_OWNER)/$(REPO_NAME)/commits?sha=$(REPO_BRANCH)&per_page=1" | grep -i "link:" | sed -n 's/.*page=\([0-9]*\)>; rel="last".*/\1/p')
ifeq ($(findstring $(srctree),$(src)),$(srctree))
KSU_SRC := $(src)
else
KSU_SRC := $(srctree)/$(src)
endif
LOCAL_GIT_EXISTS := $(shell test -e $(KSU_SRC)/../.git && echo 1 || echo 0)
define get_ksu_version_full
v$1-$(shell cd $(KSU_SRC); $(GIT_BIN) rev-parse --short=8 HEAD)@$(shell cd $(KSU_SRC); $(GIT_BIN) rev-parse --abbrev-ref HEAD)
endef
ifeq ($(KSU_GITHUB_VERSION_COMMIT),)
ifeq ($(LOCAL_GIT_EXISTS),1)
$(shell cd $(KSU_SRC); [ -f ../.git/shallow ] && $(GIT_BIN) fetch --unshallow)
KSU_LOCAL_VERSION := $(shell cd $(KSU_SRC); $(GIT_BIN) rev-list --count $(REPO_BRANCH))
KSU_VERSION := $(shell expr 40000 + $(KSU_LOCAL_VERSION) - 2815)
$(info -- $(REPO_NAME) version (local .git): $(KSU_VERSION))
else
KSU_VERSION := 13000
$(warning -- Could not fetch version online or via local .git! Using fallback version: $(KSU_VERSION))
endif
else
KSU_VERSION := $(shell expr 40000 + $(KSU_GITHUB_VERSION_COMMIT) - 2815)
$(info -- $(REPO_NAME) version (GitHub): $(KSU_VERSION))
endif
ifeq ($(KSU_GITHUB_VERSION),)
ifeq ($(LOCAL_GIT_EXISTS),1)
$(shell cd $(KSU_SRC); [ -f ../.git/shallow ] && $(GIT_BIN) fetch --unshallow)
KSU_VERSION_FULL := $(call get_ksu_version_full,$(KSU_VERSION_API))
$(info -- $(REPO_NAME) version (local .git): $(KSU_VERSION_FULL))
$(info -- $(REPO_NAME) Formatted version (local .git): $(KSU_VERSION))
else
KSU_VERSION_FULL := v$(KSU_VERSION_API)-$(REPO_NAME)-unknown@unknown
$(warning -- $(REPO_NAME) version: $(KSU_VERSION_FULL))
endif
else
$(shell cd $(KSU_SRC); [ -f ../.git/shallow ] && $(GIT_BIN) fetch --unshallow)
KSU_VERSION_FULL := $(call get_ksu_version_full,$(KSU_GITHUB_VERSION))
$(info -- $(REPO_NAME) version (Github): $(KSU_VERSION_FULL))
endif
ccflags-y += -DKSU_VERSION=$(KSU_VERSION)
ccflags-y += -DKSU_VERSION_FULL=\"$(KSU_VERSION_FULL)\"
# Checks hooks state
ifeq ($(CONFIG_KSU_MANUAL_HOOK), y)
ccflags-y += -DKSU_MANUAL_HOOK
$(info -- SukiSU: KSU_MANUAL_HOOK)
else
ccflags-y += -DKSU_HAVE_SYSCALL_TRACEPOINTS_HOOK
ccflags-y += -DKSU_KPROBES_HOOK
$(info -- SukiSU: KSU_TRACEPOINT_HOOK)
endif
# SELinux drivers check
ifeq ($(shell grep -q "current_sid(void)" $(srctree)/security/selinux/include/objsec.h; echo $$?),0)
ccflags-y += -DKSU_COMPAT_HAS_CURRENT_SID
endif
ifeq ($(shell grep -q "struct selinux_state " $(srctree)/security/selinux/include/security.h; echo $$?),0)
ccflags-y += -DKSU_COMPAT_HAS_SELINUX_STATE
endif
# Handle optional backports
ifeq ($(shell grep -q "strncpy_from_user_nofault" $(srctree)/include/linux/uaccess.h; echo $$?),0)
ccflags-y += -DKSU_OPTIONAL_STRNCPY
endif
ifeq ($(shell grep -q "ssize_t kernel_read" $(srctree)/fs/read_write.c; echo $$?),0)
ccflags-y += -DKSU_OPTIONAL_KERNEL_READ
endif
ifeq ($(shell grep "ssize_t kernel_write" $(srctree)/fs/read_write.c | grep -q "const void" ; echo $$?),0)
ccflags-y += -DKSU_OPTIONAL_KERNEL_WRITE
endif
ifeq ($(shell grep -q "int\s\+path_umount" $(srctree)/fs/namespace.c; echo $$?),0)
ccflags-y += -DKSU_HAS_PATH_UMOUNT
endif
ifeq ($(shell grep -q "inode_security_struct\s\+\*selinux_inode" $(srctree)/security/selinux/include/objsec.h; echo $$?),0)
ccflags-y += -DKSU_OPTIONAL_SELINUX_INODE
endif
# Check if __poll_t is available
ifeq ($(shell grep -q "__poll_t" $(srctree)/include/linux/poll.h; echo $$?),1)
ccflags-y += -DKSU_NEED_POLL_T_DEF
endif
# Checks Samsung
ifeq ($(shell grep -q "CONFIG_KDP_CRED" $(srctree)/kernel/cred.c; echo $$?),0)
ccflags-y += -DSAMSUNG_UH_DRIVER_EXIST
endif
ifeq ($(shell grep -q "SEC_SELINUX_PORTING_COMMON" $(srctree)/security/selinux/avc.c; echo $$?),0)
ccflags-y += -DSAMSUNG_SELINUX_PORTING
endif
# Function proc_ops check
ifeq ($(shell grep -q "struct proc_ops " $(srctree)/include/linux/proc_fs.h; echo $$?),0)
ccflags-y += -DKSU_COMPAT_HAS_PROC_OPS
endif
# Custom Signs
ifdef KSU_EXPECTED_SIZE
ccflags-y += -DEXPECTED_SIZE=$(KSU_EXPECTED_SIZE)
$(info -- Custom KernelSU Manager signature size: $(KSU_EXPECTED_SIZE))
endif
ifdef KSU_EXPECTED_HASH
ccflags-y += -DEXPECTED_HASH=\"$(KSU_EXPECTED_HASH)\"
$(info -- Custom KernelSU Manager signature hash: $(KSU_EXPECTED_HASH))
endif
ifdef KSU_MANAGER_PACKAGE
ccflags-y += -DKSU_MANAGER_PACKAGE=\"$(KSU_MANAGER_PACKAGE)\"
$(info -- SukiSU Manager package name: $(KSU_MANAGER_PACKAGE))
endif
$(info -- Supported Unofficial Manager: 5ec1cff (GKI) ShirkNeko udochina (GKI and KPM))
# Kernel version check
KERNEL_VERSION := $(VERSION).$(PATCHLEVEL)
KERNEL_TYPE := Non-GKI
# Check for GKI 2.0 (5.10+ or 6.x+)
ifneq ($(shell test \( $(VERSION) -ge 5 -a $(PATCHLEVEL) -ge 10 \) -o $(VERSION) -ge 6; echo $$?),0)
# Check for GKI 1.0 (5.4)
ifeq ($(shell test $(VERSION)-$(PATCHLEVEL) = 5-4; echo $$?),0)
KERNEL_TYPE := GKI 1.0
endif
else
KERNEL_TYPE := GKI 2.0
endif
$(info -- KERNEL_VERSION: $(KERNEL_VERSION))
$(info -- KERNEL_TYPE: $(KERNEL_TYPE))
$(info -- KERNEL_VERSION: $(KERNEL_VERSION))
ifeq ($(CONFIG_KPM), y)
$(info -- KPM is enabled)
else
$(info -- KPM is disabled)
endif
ccflags-y += -Wno-implicit-function-declaration -Wno-strict-prototypes -Wno-int-conversion -Wno-gcc-compat
ccflags-y += -Wno-declaration-after-statement -Wno-unused-function -Wno-missing-prototypes
# Keep a new line here!! Because someone may append config
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