refactor(userspace): build using cmake

Signed-off-by: EnderIce2 <enderice2@protonmail.com>

Userspace/libc/runtime/CMakeLists.txt

@@ -0,0 +1,18 @@
+cmake_minimum_required(VERSION 3.10)
+project(FennixRuntime)
+
+if(NOT DEFINED TARGET_OS)
+  message(FATAL_ERROR "TARGET_OS is not set")
+endif()
+
+if(NOT DEFINED TARGET_ARCH)
+  message(FATAL_ERROR "TARGET_ARCH is not set")
+endif()
+
+set(RUNTIME_DIR "${CMAKE_CURRENT_SOURCE_DIR}/${TARGET_OS}/${TARGET_ARCH}")
+
+if(NOT EXISTS "${RUNTIME_DIR}/CMakeLists.txt")
+  message(FATAL_ERROR "No runtime support for ${TARGET_OS}/${TARGET_ARCH}")
+endif()
+
+add_subdirectory(${RUNTIME_DIR})

Userspace/libc/runtime/Makefile

@@ -1,27 +0,0 @@
-default:
-	$(error Do not run this Makefile directly!)
-
-S_SOURCES = $(shell find ./ -type f -name '*.S')
-C_SOURCES = $(shell find ./ -type f -name '*.c')
-CXX_SOURCES = $(shell find ./ -type f -name '*.cpp')
-OBJ = ${S_SOURCES:.S=.o} ${C_SOURCES:.c=.o} ${CXX_SOURCES:.cpp=.o}
-
-CRTBEGIN_PATH = $(shell $(CC) -print-file-name=crtbegin.o)
-CRTEND_PATH = $(shell $(CC) -print-file-name=crtend.o)
-CRTI_PATH = $(shell $(CC) -print-file-name=crti.o)
-CRTN_PATH = $(shell $(CC) -print-file-name=crtn.o)
-
-build: $(OBJ)
-	cp $^ ../../out/lib/
-	cp $(CRTBEGIN_PATH) $(CRTEND_PATH) $(CRTI_PATH) $(CRTN_PATH) $(WORKSPACE_DIR)/out/lib/
-
-%.o: %.c
-	$(info Compiling $<)
-	$(CC) -nostdlib -std=c17 -DLIBC_GIT_COMMIT='"$(shell git rev-parse HEAD)"' -c $< -o $@
-
-%.o: %.S
-	$(info Compiling $<)
-	$(AS) -c $< -o $@
-
-clean:
-	rm -f $(OBJ)

Userspace/libc/runtime/fennix/amd64/CMakeLists.txt

@@ -0,0 +1,34 @@
+cmake_minimum_required(VERSION 3.10)
+project(FennixRuntime_${TARGET_OS}_${TARGET_ARCH})
+
+find_program(COMPILER_PATH NAMES $ENV{CC} gcc REQUIRED)
+
+set(LIB_OUTPUT_DIR "${CMAKE_INSTALL_PREFIX}/lib")
+file(MAKE_DIRECTORY ${LIB_OUTPUT_DIR})
+
+add_custom_target(copy_crt_files ALL
+  COMMAND ${COMPILER_PATH} -print-file-name=libgcc.a | xargs cp -t ${LIB_OUTPUT_DIR}
+  COMMAND ${COMPILER_PATH} -print-file-name=crtbegin.o | xargs cp -t ${LIB_OUTPUT_DIR}
+  COMMAND ${COMPILER_PATH} -print-file-name=crtend.o | xargs cp -t ${LIB_OUTPUT_DIR}
+  COMMAND ${COMPILER_PATH} -print-file-name=crti.o | xargs cp -t ${LIB_OUTPUT_DIR}
+  COMMAND ${COMPILER_PATH} -print-file-name=crtn.o | xargs cp -t ${LIB_OUTPUT_DIR}
+  COMMENT "Copying CRT files"
+)
+
+file(GLOB CRT_SOURCES "${CMAKE_CURRENT_SOURCE_DIR}/*.c")
+set(OBJECT_FILES "")
+foreach(source ${CRT_SOURCES})
+  get_filename_component(name ${source} NAME_WE)
+  set(obj "${CMAKE_BINARY_DIR}/${name}.o")
+  add_custom_command(
+    OUTPUT ${obj}
+    COMMAND ${COMPILER_PATH} -c ${source} -o ${obj}
+    DEPENDS ${source}
+  )
+  list(APPEND OBJECT_FILES ${obj})
+endforeach()
+
+if(OBJECT_FILES)
+  add_custom_target(crt_objects ALL DEPENDS ${OBJECT_FILES})
+  install(FILES ${OBJECT_FILES} DESTINATION lib)
+endif()

Userspace/libc/runtime/linux/x86_64/CMakeLists.txt

@@ -0,0 +1,43 @@
+cmake_minimum_required(VERSION 3.10)
+project(FennixRuntime_${TARGET_OS}_${TARGET_ARCH})
+
+find_program(COMPILER_PATH NAMES $ENV{CC} gcc REQUIRED)
+
+set(BUILD_OUTPUT_DIR "${CMAKE_BINARY_DIR}/lib")
+set(INSTALL_OUTPUT_DIR "${CMAKE_INSTALL_PREFIX}/lib")
+
+file(MAKE_DIRECTORY ${BUILD_OUTPUT_DIR})
+
+execute_process(COMMAND ${COMPILER_PATH} -print-file-name=crtbegin.o OUTPUT_VARIABLE CRTBEGIN_PATH OUTPUT_STRIP_TRAILING_WHITESPACE)
+execute_process(COMMAND ${COMPILER_PATH} -print-file-name=crtend.o OUTPUT_VARIABLE CRTEND_PATH OUTPUT_STRIP_TRAILING_WHITESPACE)
+execute_process(COMMAND ${COMPILER_PATH} -print-file-name=crti.o OUTPUT_VARIABLE CRTI_PATH OUTPUT_STRIP_TRAILING_WHITESPACE)
+execute_process(COMMAND ${COMPILER_PATH} -print-file-name=crtn.o OUTPUT_VARIABLE CRTN_PATH OUTPUT_STRIP_TRAILING_WHITESPACE)
+
+add_custom_target(copy_crt_files ALL
+  COMMAND cp ${CRTBEGIN_PATH} ${CRTEND_PATH} ${CRTI_PATH} ${CRTN_PATH} ${BUILD_OUTPUT_DIR}
+  COMMENT "Copying CRT files"
+)
+
+file(GLOB CRT_SOURCES "${CMAKE_CURRENT_SOURCE_DIR}/*.c")
+set(OBJECT_FILES "")
+
+foreach(source ${CRT_SOURCES})
+  get_filename_component(name ${source} NAME_WE)
+  set(obj "${BUILD_OUTPUT_DIR}/${name}.o")
+  add_custom_command(
+    OUTPUT ${obj}
+    COMMAND ${COMPILER_PATH} -c ${source} -o ${obj}
+    DEPENDS ${source}
+  )
+  list(APPEND OBJECT_FILES ${obj})
+endforeach()
+
+if(OBJECT_FILES)
+  add_custom_target(crt_objects ALL DEPENDS ${OBJECT_FILES})
+endif()
+
+install(FILES ${BUILD_OUTPUT_DIR}/crtbegin.o ${BUILD_OUTPUT_DIR}/crtend.o ${BUILD_OUTPUT_DIR}/crti.o ${BUILD_OUTPUT_DIR}/crtn.o
+  DESTINATION lib
+)
+
+install(FILES ${OBJECT_FILES} DESTINATION lib)