Unify "script" and "project" under "util".
This commit is contained in:
Bob Nystrom
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# Makefile for building a single configuration of Wren. It allows the
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# following variables to be passed to it:
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#
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# MODE - The build mode, "debug" or "release".
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# If omitted, defaults to "release".
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# LANG - The language, "c" or "cpp".
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# If omitted, defaults to "c".
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# ARCH - The processor architecture, "32", "64", or nothing, which indicates
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# the compiler's default.
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# If omitted, defaults to the compiler's default.
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#
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# It builds a static library, shared library, and command-line interpreter for
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# the given configuration. Libraries are built to "lib", and the interpreter
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# is built to "bin".
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#
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# The output file is initially "wren". If in debug mode, "d" is appended to it.
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# If the language is "cpp", then "-cpp" is appended to that. If the
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# architecture is not the default then "-32" or "-64" is appended to that.
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# Then, for the libraries, the correct extension is added.
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# Files.
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CLI_HEADERS := $(wildcard src/cli/*.h)
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CLI_SOURCES := $(wildcard src/cli/*.c)
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MODULE_HEADERS := $(wildcard src/module/*.h) $(wildcard src/module/*.wren.inc)
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MODULE_SOURCES := $(wildcard src/module/*.c)
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VM_HEADERS := $(wildcard src/vm/*.h) $(wildcard src/vm/*.wren.inc)
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VM_SOURCES := $(wildcard src/vm/*.c)
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TEST_HEADERS := $(wildcard test/api/*.h)
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TEST_SOURCES := $(wildcard test/api/*.c)
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BUILD_DIR := build
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C_WARNINGS := -Wall -Wextra -Werror -Wno-unused-parameter
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# Wren uses callbacks heavily, so -Wunused-parameter is too painful to enable.
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# Mode configuration.
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ifeq ($(MODE),debug)
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WREN := wrend
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C_OPTIONS += -O0 -DDEBUG -g
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BUILD_DIR := $(BUILD_DIR)/debug
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else
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WREN += wren
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C_OPTIONS += -Os
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BUILD_DIR := $(BUILD_DIR)/release
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endif
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# Language configuration.
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ifeq ($(LANG),cpp)
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WREN := $(WREN)-cpp
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C_OPTIONS += -std=c++98
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FILE_FLAG := -x c++
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BUILD_DIR := $(BUILD_DIR)-cpp
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else
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C_OPTIONS += -std=c99
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endif
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# Architecture configuration.
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ifeq ($(ARCH),32)
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C_OPTIONS += -m32
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WREN := $(WREN)-32
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BUILD_DIR := $(BUILD_DIR)-32
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LIBUV_ARCH := -32
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endif
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ifeq ($(ARCH),64)
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C_OPTIONS += -m64
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WREN := $(WREN)-64
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BUILD_DIR := $(BUILD_DIR)-64
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LIBUV_ARCH := -64
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endif
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# Some platform-specific workarounds. Note that we use "gcc" explicitly in the
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# call to get the machine name because one of these workarounds deals with $(CC)
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# itself not working.
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OS := $(lastword $(subst -, ,$(shell gcc -dumpmachine)))
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# Don't add -fPIC on Windows since it generates a warning which gets promoted
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# to an error by -Werror.
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ifeq ($(OS),mingw32)
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else ifeq ($(OS),cygwin)
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# Do nothing.
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else
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C_OPTIONS += -fPIC
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endif
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# MinGW--or at least some versions of it--default CC to "cc" but then don't
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# provide an executable named "cc". Manually point to "gcc" instead.
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ifeq ($(OS),mingw32)
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CC = GCC
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endif
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# Clang on Mac OS X has different flags and a different extension to build a
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# shared library.
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ifneq (,$(findstring darwin,$(OS)))
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SHARED_EXT := dylib
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else
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SHARED_LIB_FLAGS := -Wl,-soname,$@.so
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SHARED_EXT := so
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# On Linux we need to explicitly link to these for libuv.
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LIBUV_LIBS := -lpthread -lrt
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endif
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CFLAGS := $(C_OPTIONS) $(C_WARNINGS)
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CLI_OBJECTS := $(addprefix $(BUILD_DIR)/cli/, $(notdir $(CLI_SOURCES:.c=.o)))
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MODULE_OBJECTS := $(addprefix $(BUILD_DIR)/module/, $(notdir $(MODULE_SOURCES:.c=.o)))
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VM_OBJECTS := $(addprefix $(BUILD_DIR)/vm/, $(notdir $(VM_SOURCES:.c=.o)))
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TEST_OBJECTS := $(patsubst test/api/%.c, $(BUILD_DIR)/test/%.o, $(TEST_SOURCES))
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LIBUV_DIR := deps/libuv
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LIBUV := build/libuv$(LIBUV_ARCH).a
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# Flags needed to compile source files for the CLI, including the modules and
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# API tests.
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CLI_FLAGS := -D_XOPEN_SOURCE=600 -Isrc/include -I$(LIBUV_DIR)/include \
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-Isrc/cli -Isrc/module
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# Targets ---------------------------------------------------------------------
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# Builds the VM libraries and CLI interpreter.
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all: vm cli
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# Builds just the VM libraries.
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vm: lib/lib$(WREN).a lib/lib$(WREN).$(SHARED_EXT)
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# Builds just the CLI interpreter.
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cli: bin/$(WREN)
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# Builds the API test executable.
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test: $(BUILD_DIR)/test/$(WREN)
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# Command-line interpreter.
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bin/$(WREN): $(CLI_OBJECTS) $(MODULE_OBJECTS) $(VM_OBJECTS) $(LIBUV)
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@ printf "%10s %-30s %s\n" $(CC) $@ "$(C_OPTIONS)"
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@ mkdir -p bin
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@ $(CC) $(CFLAGS) $^ -o $@ -lm $(LIBUV_LIBS)
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# Static library.
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lib/lib$(WREN).a: $(VM_OBJECTS)
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@ printf "%10s %-30s %s\n" $(AR) $@ "rcu"
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@ mkdir -p lib
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@ $(AR) rcu $@ $^
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# Shared library.
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lib/lib$(WREN).$(SHARED_EXT): $(VM_OBJECTS)
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@ printf "%10s %-30s %s\n" $(CC) $@ "$(C_OPTIONS) $(SHARED_LIB_FLAGS)"
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@ mkdir -p lib
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@ $(CC) $(CFLAGS) -shared $(SHARED_LIB_FLAGS) -o $@ $^
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# Test executable.
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$(BUILD_DIR)/test/$(WREN): $(TEST_OBJECTS) $(MODULE_OBJECTS) $(VM_OBJECTS) \
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$(BUILD_DIR)/cli/modules.o $(BUILD_DIR)/cli/vm.o $(LIBUV)
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@ printf "%10s %-30s %s\n" $(CC) $@ "$(C_OPTIONS)"
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@ mkdir -p $(BUILD_DIR)/test
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@ $(CC) $(CFLAGS) $^ -o $@ -lm $(LIBUV_LIBS)
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# CLI object files.
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$(BUILD_DIR)/cli/%.o: src/cli/%.c $(CLI_HEADERS) $(MODULE_HEADERS) \
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$(VM_HEADERS) $(LIBUV)
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@ printf "%10s %-30s %s\n" $(CC) $< "$(C_OPTIONS)"
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@ mkdir -p $(BUILD_DIR)/cli
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@ $(CC) -c $(CFLAGS) $(CLI_FLAGS) -o $@ $(FILE_FLAG) $<
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# Module object files.
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$(BUILD_DIR)/module/%.o: src/module/%.c $(CLI_HEADERS) $(MODULE_HEADERS) \
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$(VM_HEADERS) $(LIBUV)
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@ printf "%10s %-30s %s\n" $(CC) $< "$(C_OPTIONS)"
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@ mkdir -p $(BUILD_DIR)/module
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@ $(CC) -c $(CFLAGS) $(CLI_FLAGS) -o $@ $(FILE_FLAG) $<
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# VM object files.
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$(BUILD_DIR)/vm/%.o: src/vm/%.c $(VM_HEADERS)
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@ printf "%10s %-30s %s\n" $(CC) $< "$(C_OPTIONS)"
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@ mkdir -p $(BUILD_DIR)/vm
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@ $(CC) -c $(CFLAGS) -Isrc/include -o $@ $(FILE_FLAG) $<
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# Test object files.
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$(BUILD_DIR)/test/%.o: test/api/%.c $(MODULE_HEADERS) $(VM_HEADERS) $(TEST_HEADERS) $(LIBUV)
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@ printf "%10s %-30s %s\n" $(CC) $< "$(C_OPTIONS)"
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@ mkdir -p $(dir $@)
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@ $(CC) -c $(CFLAGS) $(CLI_FLAGS) -o $@ $(FILE_FLAG) $<
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# Download libuv.
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$(LIBUV_DIR)/build/gyp/gyp: util/libuv.py
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@ ./util/libuv.py download
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# Build libuv to a static library.
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$(LIBUV): $(LIBUV_DIR)/build/gyp/gyp util/libuv.py
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@ ./util/libuv.py build $(LIBUV_ARCH)
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# Wren modules that get compiled into the binary as C strings.
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src/vm/wren_%.wren.inc: builtin/%.wren util/wren_to_c_string.py
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@ ./util/wren_to_c_string.py $@ $<
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src/module/%.wren.inc: src/module/%.wren util/wren_to_c_string.py
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@ ./util/wren_to_c_string.py $@ $<
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.PHONY: all cli test vm
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