121 lines
5.5 KiB
Makefile
121 lines
5.5 KiB
Makefile
# **************************************************************************** #
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# #
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# ::: :::::::: #
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# Makefile :+: :+: :+: #
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# +:+ +:+ +:+ #
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# By: acossari <acossari@student.codam.nl> +#+ +:+ +#+ #
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# +#+#+#+#+#+ +#+ #
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# Created: 2026/08/19 10:05:52 by acossari #+# #+# #
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# Updated: 2026/08/20 22:18:47 by acossari ### ########.fr #
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# #
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# **************************************************************************** #
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NAME := webserv
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SRC_DIR := src
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OBJ_DIR := obj
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INC_DIR := include
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CXX := g++
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# EXTRA_CXXFLAGS is the slot for flags added from the command line, for example
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# make EXTRA_CXXFLAGS="-g3 -fsanitize=address". CXXFLAGS itself must never be
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# overridden that way, it carries the warning flags that have to stay on.
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CXXFLAGS := -Wall -Wextra -Werror -std=c++23 -I$(INC_DIR) $(EXTRA_CXXFLAGS)
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# The C++ standard library goes inside the binary instead of being loaded from
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# the system at startup. A recent compiler emits references to symbol versions
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# that an older system libstdc++.so.6 does not carry, and that failure shows up
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# when the program is started, not when it is linked.
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LDFLAGS := -static-libstdc++ -static-libgcc
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CLANG ?= clang++
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CLANG_TIDY ?= clang-tidy
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CLANG_FORMAT ?= clang-format
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# Separate object directory and binary for the clang build. Sharing obj/ would
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# link a fresh g++ object with a leftover clang one, and the error looks like a
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# bug in the source instead of an old file.
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CLANG_NAME := $(NAME)-clang
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CLANG_OBJ_DIR := $(OBJ_DIR)/clang
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# libstdc++ is the GNU library and ships with g++, libc++ is the LLVM one and
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# ships with clang. On Linux clang usually sits on libstdc++ anyway, and that
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# pairing cannot build this project:
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#
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# clang 18 with libstdc++ : std::expected not available
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# clang 18 with libc++ : std::expected available
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#
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# So every clang pass gets libc++. g++ never sees this flag.
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CLANG_STDLIB ?= -stdlib=libc++
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# find returns files in filesystem order, which is not the same on every
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# machine. sort keeps the compile and link lines stable, so build logs and
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# clang-tidy output stay comparable.
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#SRCS := $(sort $(shell find $(SRC_DIR) -type f -name '*.cpp'))
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SRCS := src/Log.cpp src/main.cpp src/Server.cpp \
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src/config/Config.cpp src/config/ConfigurationParser.cpp src/config/LocationConfig.cpp src/config/ServerConfig.cpp \
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src/event/Epoll.cpp src/event/EventToken.cpp \
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src/net/ByteBuffer.cpp src/net/Connection.cpp src/net/FileDescriptor.cpp src/net/Listener.cpp src/net/ListenerPlan.cpp src/net/PauseMask.cpp src/net/SlotPool.cpp \
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src/http/Request.cpp src/http/RequestParser.cpp src/http/Response.cpp
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OBJS := $(SRCS:$(SRC_DIR)/%.cpp=$(OBJ_DIR)/%.o)
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# Make only knows that obj/main.o comes from src/main.cpp, so editing Log.hpp
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# would leave the old main.o in place. Each .d adds the missing line, obj/main.o
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# also depends on include/Log.hpp, and -include at the bottom pulls them in.
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DEPS := $(OBJS:.o=.d)
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HDRS := include/config/Config.hpp include/config/ConfigurationParser.hpp include/config/LocationConfig.hpp include/config/ServerConfig.hpp \
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include/event/Epoll.hpp include/event/EventToken.hpp \
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include/http/HttpStatus.hpp include/http/Request.hpp include/http/RequestParser.hpp include/http/Response.hpp \
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include/net/ByteBuffer.hpp include/net/Connection.hpp include/net/FileDescriptor.hpp include/net/Listener.hpp include/net/ListenerPlan.hpp include/net/PauseMask.hpp include/net/SlotPool.hpp \
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include/Log.hpp include/Result.hpp include/Server.hpp \
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#HDRS := $(sort $(shell find $(INC_DIR) $(SRC_DIR) -type f \
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# \( -name '*.hpp' -o -name '*.tpp' \)))
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all: $(NAME)
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$(NAME): $(OBJS)
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$(CXX) $(CXXFLAGS) $(LDFLAGS) $(OBJS) -o $(NAME)
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# -MMD writes the .d file described above. -MP adds an empty rule for every
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# header in it, which matters after a rename: the old .d still asks for the old
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# path and make stops, having no way to build that file. The empty rule says the
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# header needs no recipe, so make moves on and recompiles.
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$(OBJ_DIR)/%.o: $(SRC_DIR)/%.cpp
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@mkdir -p $(dir $@)
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$(CXX) $(CXXFLAGS) -MMD -MP -c $< -o $@
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# Reports only, never fails the build: WarningsAsErrors is empty in .clang-tidy
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# and all does not depend on this. clang-tidy parses the code itself, so it
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# needs the same flags the compiler gets (everything after the --).
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tidy: $(SRCS)
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$(CLANG_TIDY) $(SRCS) -- $(CXXFLAGS) $(CLANG_STDLIB)
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# Same sources through the other compiler and standard library, into files of
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# its own, so the normal build is untouched. Worth running because the two
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# compilers do not warn about the same things. Needs libc++ 18 or newer, the
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# first release that ships <print>.
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check-clang:
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$(MAKE) --no-print-directory NAME=$(CLANG_NAME) OBJ_DIR=$(CLANG_OBJ_DIR) \
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CXX=$(CLANG) EXTRA_CXXFLAGS="$(CLANG_STDLIB)"
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format:
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$(CLANG_FORMAT) -i $(SRCS) $(HDRS)
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format-check:
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$(CLANG_FORMAT) --dry-run --Werror $(SRCS) $(HDRS)
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clean:
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rm -rf $(OBJ_DIR)
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fclean: clean
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rm -f $(NAME) $(CLANG_NAME)
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re: fclean all
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-include $(DEPS)
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.PHONY: all clean fclean re tidy check-clang format format-check
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