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- "make all" builds all combinations of configurations - Binaries are built to "bin" - (For convenience, the release interpreter also goes in the top level dir) - Libraries are built to "lib" This will also make it easier to support building and testing other configurations like Nan tagging versus union, computed goto, etc.
109 lines
2.9 KiB
Makefile
109 lines
2.9 KiB
Makefile
# 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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HEADERS := include/wren.h $(wildcard src/*.h)
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SOURCES := $(wildcard src/*.c)
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BUILD_DIR := build
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CFLAGS := -Wall -Werror
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# TODO: Add -Wextra.
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# Mode configuration.
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ifeq ($(MODE),debug)
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WREN := wrend
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CFLAGS += -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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CFLAGS += -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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CFLAGS += -std=c++98
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FILE_FLAG := -x c++
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BUILD_DIR := $(BUILD_DIR)-cpp
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else
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CFLAGS += -std=c99
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endif
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# Architecture configuration.
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ifeq ($(ARCH),32)
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CFLAGS += -m32
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WREN := $(WREN)-32
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BUILD_DIR := $(BUILD_DIR)-32
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endif
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ifeq ($(ARCH),64)
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CFLAGS += -m64
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WREN := $(WREN)-64
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BUILD_DIR := $(BUILD_DIR)-64
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endif
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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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OS := $(lastword $(subst -, ,$(shell $(CC) -dumpmachine)))
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ifeq ($(OS),mingw32)
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else ifeq ($(OS),cygwin)
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# Do nothing.
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else
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CFLAGS += -fPIC
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endif
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# Clang on Mac OS X has different flags and a different extension to build a
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# shared library.
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ifneq (,$(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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endif
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# TODO: Simplify this if we mode main.c to a different directory.
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OBJECTS := $(addprefix $(BUILD_DIR)/, $(notdir $(SOURCES:.c=.o)))
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# Don't include main.c in the libraries.
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LIB_OBJECTS := $(subst $(BUILD_DIR)/main.o,,$(OBJECTS))
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# Targets ---------------------------------------------------------------------
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all: prep bin/$(WREN) lib/lib$(WREN).a lib/lib$(WREN).$(SHARED_EXT)
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prep:
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@mkdir -p bin lib $(BUILD_DIR)
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# Command-line interpreter.
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bin/$(WREN): $(OBJECTS)
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$(CC) $(CFLAGS) -Iinclude -o $@ $^ -lm
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# Static library.
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lib/lib$(WREN).a: $(LIB_OBJECTS)
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$(AR) rcu $@ $^
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# Shared library.
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lib/lib$(WREN).$(SHARED_EXT): $(LIB_OBJECTS)
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$(CC) $(CFLAGS) -shared $(SHARED_LIB_FLAGS) -o $@ $^
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# Object files.
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$(BUILD_DIR)/%.o: src/%.c $(HEADERS)
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$(CC) -c $(CFLAGS) -Iinclude -o $@ $(FILE_FLAG) $<
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