use cmake instead of ndk-build

loader/build.gradle.kts

@@ -15,12 +15,27 @@ fun Project.findInPath(executable: String, property: String): String? {
     }?.absolutePath ?: properties.getOrDefault(property, null) as? String?
 }
 
-val ccachePatch by lazy {
+val ccachePath by lazy {
     project.findInPath("ccache", "ccache.path")?.also {
         println("loader: Use ccache: $it")
     }
 }
 
+val defaultCFlags = arrayOf(
+    "-Wall", "-Wextra",
+    "-fno-rtti", "-fno-exceptions",
+    "-fno-stack-protector", "-fomit-frame-pointer",
+    "-Wno-builtin-macro-redefined", "-D__FILE__=__FILE_NAME__"
+)
+
+val releaseFlags = arrayOf(
+    "-Oz", "-flto",
+    "-Wno-unused", "-Wno-unused-parameter",
+    "-fvisibility=hidden", "-fvisibility-inlines-hidden",
+    "-fno-unwind-tables", "-fno-asynchronous-unwind-tables",
+    "-Wl,--exclude-libs,ALL", "-Wl,--gc-sections", "-Wl,--strip-all"
+)
+
 android {
     buildFeatures {
         androidResources = false
@@ -28,16 +43,27 @@ android {
         prefab = true
     }
 
-    externalNativeBuild.ndkBuild {
-        path("src/Android.mk")
+    externalNativeBuild.cmake {
+        path("src/CMakeLists.txt")
     }
 
     defaultConfig {
-        externalNativeBuild {
-            ndkBuild {
-                ccachePatch?.let {
-                    arguments += "NDK_CCACHE=$it"
-                }
+        externalNativeBuild.cmake {
+            arguments += "-DANDROID_STL=none"
+            arguments += "-DLSPLT_STANDALONE=ON"
+            cFlags("-std=c18", *defaultCFlags)
+            cppFlags("-std=c++20", *defaultCFlags)
+            ccachePath?.let {
+                arguments += "-DNDK_CCACHE=$it"
+            }
+        }
+    }
+
+    buildTypes {
+        release {
+            externalNativeBuild.cmake {
+                cFlags += releaseFlags
+                cppFlags += releaseFlags
             }
         }
     }

loader/src/Android.mk

@@ -1,26 +0,0 @@
-LOCAL_PATH := $(call my-dir)
-define walk
-  $(wildcard $(1)) $(foreach e, $(wildcard $(1)/*), $(call walk, $(e)))
-endef
-
-include $(CLEAR_VARS)
-LOCAL_MODULE           := common
-LOCAL_C_INCLUDES       := $(LOCAL_PATH)/include
-FILE_LIST              := $(filter %.cpp, $(call walk, $(LOCAL_PATH)/common))
-LOCAL_SRC_FILES        := $(FILE_LIST:COMMON_FILE_LIST:$(LOCAL_PATH)/%=%)
-LOCAL_STATIC_LIBRARIES := cxx
-LOCAL_LDLIBS           := -llog
-include $(BUILD_STATIC_LIBRARY)
-
-include $(CLEAR_VARS)
-LOCAL_MODULE           := zygisk
-LOCAL_C_INCLUDES       := $(LOCAL_PATH)/include
-FILE_LIST              := $(filter %.cpp, $(call walk, $(LOCAL_PATH)/injector))
-LOCAL_SRC_FILES        := $(FILE_LIST:COMMON_FILE_LIST:$(LOCAL_PATH)/%=%)
-LOCAL_STATIC_LIBRARIES := cxx common liblsplt libphmap
-LOCAL_LDLIBS           := -llog
-include $(BUILD_SHARED_LIBRARY)
-
-$(call import-module,prefab/cxx)
-
-include src/external/Android.mk

loader/src/Application.mk

@@ -1,14 +0,0 @@
-APP_CFLAGS     := -Wall -Wextra
-APP_CFLAGS     += -fno-stack-protector -fomit-frame-pointer
-APP_CFLAGS     += -Wno-builtin-macro-redefined -D__FILE__=__FILE_NAME__
-APP_CPPFLAGS   := -std=c++20
-APP_CONLYFLAGS := -std=c18
-APP_STL        := none
-
-ifneq ($(NDK_DEBUG),1)
-APP_CFLAGS     += -Oz -flto
-APP_CFLAGS     += -Wno-unused -Wno-unused-parameter
-APP_CFLAGS     += -fvisibility=hidden -fvisibility-inlines-hidden
-APP_CFLAGS     += -fno-unwind-tables -fno-asynchronous-unwind-tables
-APP_LDFLAGS    += -Wl,--exclude-libs,ALL -flto -Wl,--gc-sections -Wl,--strip-all
-endif

loader/src/CMakeLists.txt

@@ -0,0 +1,16 @@
+cmake_minimum_required(VERSION 3.22.1)
+project("loader")
+
+find_package(cxx REQUIRED CONFIG)
+
+aux_source_directory(common COMMON_SRC_LIST)
+add_library(common STATIC ${COMMON_SRC_LIST})
+target_include_directories(common PRIVATE include)
+target_link_libraries(common cxx::cxx log)
+
+aux_source_directory(injector INJECTOR_SRC_LIST)
+add_library(zygisk SHARED ${INJECTOR_SRC_LIST})
+target_include_directories(zygisk PRIVATE include)
+target_link_libraries(zygisk cxx::cxx log common lsplt_static phmap)
+
+add_subdirectory(external)

loader/src/external/Android.mk

@@ -1,21 +0,0 @@
-LOCAL_PATH := $(call my-dir)
-
-# liblsplt.a
-include $(CLEAR_VARS)
-LOCAL_MODULE:= liblsplt
-LOCAL_C_INCLUDES := $(LOCAL_PATH)/lsplt/lsplt/src/main/jni/include
-LOCAL_EXPORT_C_INCLUDES := $(LOCAL_C_INCLUDES)
-LOCAL_CFLAGS := -Wall -Wextra -Werror -fvisibility=hidden -DLOG_DISABLED
-LOCAL_CPPFLAGS := -std=c++20
-LOCAL_STATIC_LIBRARIES := libcxx
-LOCAL_SRC_FILES := \
-    lsplt/lsplt/src/main/jni/elf_util.cc \
-    lsplt/lsplt/src/main/jni/lsplt.cc
-include $(BUILD_STATIC_LIBRARY)
-
-# Header only library
-include $(CLEAR_VARS)
-LOCAL_MODULE:= libphmap
-LOCAL_CFLAGS := -Wno-unused-value
-LOCAL_EXPORT_C_INCLUDES := $(LOCAL_PATH)/parallel-hashmap
-include $(BUILD_STATIC_LIBRARY)

loader/src/external/CMakeLists.txt

@@ -0,0 +1,8 @@
+project(external)
+
+OPTION(LSPLT_BUILD_SHARED OFF)
+add_subdirectory(lsplt/lsplt/src/main/jni)
+
+add_library(phmap INTERFACE)
+target_include_directories(phmap INTERFACE parallel-hashmap)
+target_compile_options(phmap INTERFACE -Wno-unused-value)