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https://github.com/fergalmoran/ladybird.git
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c127d16326
Instead of directly manipulating LDFLAGS, set LIB_DEPS in each subdirectory Makefile listing the libraries needed for building/linking such as "LIB_DEPS = Core GUI Draw IPC Core". This adds each library as an -L and -l argument in LDFLAGS, but also adds the library.a file as a link dependency on the current $(PROGRAM). This causes the given library to be (re)built before linking the current $(PROGRAM), but will also re-link any binaries depending on that library when it is modified, when running make from the root directory. Also turn generator tools like IPCCompiler into dependencies on the files they generate, so they are built on-demand when a particular directory needs them. This all allows the root Makefile to just list directories and not care about the order, as all of the dependency tracking will figure it out.
128 lines
3.7 KiB
Makefile
128 lines
3.7 KiB
Makefile
MAKEFILE_PATH := $(abspath $(lastword $(MAKEFILE_LIST)))
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SERENITY_BASE_DIR := $(patsubst %/,%,$(dir $(MAKEFILE_PATH)))
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CXX_STANDARD_FLAGS = -std=c++17 -Wno-sized-deallocation -fno-sized-deallocation
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CXX_WARNING_FLAGS = -Werror -Wextra -Wall -Wno-nonnull-compare -Wno-deprecated-copy -Wno-address-of-packed-member -Wundef -Wcast-qual -Wwrite-strings -Wimplicit-fallthrough -Wno-expansion-to-defined
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CXX_FLAVOR_FLAGS = -fno-exceptions -fno-rtti -fstack-protector
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#CXX_SUGGEST_FLAGS = -Wsuggest-final-types -Wsuggest-final-methods -Wsuggest-override #-Wsuggest-attribute=noreturn
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C_STANDARD_FLAGS =
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C_WARNING_FLAGS = -Werror -Wextra -Wall -Wno-nonnull-compare -Wno-address-of-packed-member -Wundef -Wcast-qual -Wwrite-strings -Wimplicit-fallthrough -Wno-expansion-to-defined
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C_FLAVOR_FLAGS = -fstack-protector
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ARCH_FLAGS =
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OPTIMIZATION_FLAGS = -Os
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INCLUDE_FLAGS += \
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-I. \
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-I$(SERENITY_BASE_DIR)/DevTools \
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-I$(SERENITY_BASE_DIR) \
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-I$(SERENITY_BASE_DIR)/Libraries \
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-I$(SERENITY_BASE_DIR)/Servers
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VERBOSE = 0
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ifneq ($(HOST_CXX),)
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CXX = $(PRE_CXX) g++
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AS = as
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LINK = ld
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OBJ_SUFFIX ?= .host
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else
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TOOLCHAIN_PATH = $(SERENITY_BASE_DIR)/Toolchain/Local/bin
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CXX = $(PRE_CXX) $(TOOLCHAIN_PATH)/i686-pc-serenity-g++
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CC = $(PRE_CC) $(TOOLCHAIN_PATH)/i686-pc-serenity-gcc
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AS = $(TOOLCHAIN_PATH)/i686-pc-serenity-as
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LINK = $(TOOLCHAIN_PATH)/i686-pc-serenity-ld
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DEFINES += -DDEBUG
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INCLUDE_FLAGS += \
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-I$(SERENITY_BASE_DIR)/Libraries/LibC \
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-I$(SERENITY_BASE_DIR)/Libraries/LibM \
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-I$(SERENITY_BASE_DIR)/Libraries/LibPthread
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ifdef KERNEL
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DEFINES += -DKERNEL
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else
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# everything else gets -lc -lm
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LIB_DEPS += C M
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endif
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# turn "LIB_DEPS=C Core Thread" into "-lc -lcore -lthread -L.../LibC ..."
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LDFLAGS += $(foreach lib,$(LIB_DEPS),\
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-l$(shell echo $(lib) | tr A-Z a-z))
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LDFLAGS += $(foreach lib,$(LIB_DEPS),\
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-L$(SERENITY_BASE_DIR)/Libraries/Lib$(lib))
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STATIC_LIB_DEPS = $(foreach lib,$(LIB_DEPS),\
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$(SERENITY_BASE_DIR)/Libraries/Lib$(lib)/lib$(shell echo $(lib) | tr A-Z a-z).a)
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OBJ_SUFFIX ?=
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endif
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#CXX = clang $(CLANG_FLAGS)
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#CLANG_FLAGS = -Wconsumed -m32 -ffreestanding -march=i686
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CXXFLAGS = -MMD -MP $(CXX_WARNING_FLAGS) $(OPTIMIZATION_FLAGS) $(CXX_FLAVOR_FLAGS) $(ARCH_FLAGS) $(CXX_STANDARD_FLAGS) $(CXX_SUGGEST_FLAGS) $(INCLUDE_FLAGS) $(DEFINES) $(SUBPROJECT_CXXFLAGS)
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CFLAGS = -MMD -MP $(C_FLAVOR_FLAGS) $(ARCH_FLAGS) $(C_STANDARD_FLAGS) $(C_SUGGEST_FLAGS) $(INCLUDE_FLAGS) $(DEFINES) $(SUBPROJECT_CXXFLAGS)
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DEFINES += -DSANITIZE_PTRS
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SUFFIXED_OBJS = $(patsubst %.o,%$(OBJ_SUFFIX).o,$(OBJS))
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ifeq ($(VERBOSE),1)
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QUIET =
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else
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QUIET = @
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endif
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-include $(SUFFIXED_OBJS:%.o=%.d)
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%$(OBJ_SUFFIX).o: %.cpp $(EXTRA_SOURCES)
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@echo "C++ $@"
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$(QUIET) $(CXX) $(CXXFLAGS) -o $@ -c $<
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%$(OBJ_SUFFIX).o: %.c
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@echo "C $@"
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$(QUIET) $(CC) $(CFLAGS) -o $@ -c $<
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%.ao: %.S
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@echo "AS $@"
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$(QUIET) $(AS) -o $@ $<
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$(PROGRAM): $(SUFFIXED_OBJS) $(EXTRA_OBJS) $(STATIC_LIB_DEPS)
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@echo "LINK $(PROGRAM)"
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$(QUIET) $(CXX) -o $(PROGRAM) $(EXTRA_OBJS) $(SUFFIXED_OBJS) $(LDFLAGS)
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$(LIBRARY): $(SUFFIXED_OBJS) $(EXTRA_OBJS)
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@echo "LIB $@"
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$(QUIET) $(AR) rcs $@ $(OBJS) $(EXTRA_OBJS) $(LIBS)
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$(STATIC_LIB_DEPS):
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@$(MAKE) -C $(dir $(@))
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IPCCOMPILER = $(SERENITY_BASE_DIR)/DevTools/IPCCompiler/IPCCompiler
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IPCCOMPILER: $(IPCCOMPILER)
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$(IPCCOMPILER):
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@$(MAKE) -C $(dir $(@))
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FORMCOMPILER = $(SERENITY_BASE_DIR)/DevTools/FormCompiler/FormCompiler
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FORMCOMPILER: $(FORMCOMPILER)
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$(FORMCOMPILER):
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@$(MAKE) -C $(dir $(@))
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.DEFAULT_GOAL := all
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all: $(PROGRAM) $(LIBRARY)
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EXTRA_CLEAN ?=
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clean:
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@echo "CLEAN"
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$(QUIET) rm -f $(PROGRAM) $(LIBRARY) $(SUFFIXED_OBJS) $(EXTRA_OBJS) *.d $(EXTRA_CLEAN)
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install:
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.DELETE_ON_ERROR:
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.PHONY: all clean install
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