95 lines
2.6 KiB
Makefile
95 lines
2.6 KiB
Makefile
.PHONY: run debug clean setup init
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CXX = g++
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# lefticus.gitbooks.io/cpp-best-practice
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CXXFLAGS := -O2 -Wall -Wextra -Wpedantic -Wshadow -Wformat=2 \
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-Wfloat-equal -Wlogical-op -Wshift-overflow=2 -Wnon-virtual-dtor \
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-Wold-style-cast -Wcast-equal -Wuseless-cast -Wno-sign-promotion \
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-Wcast-align -Wunused -Woverloaded-virtual -Wconversion \
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-Wsign-conversion -Wmisleading-indentation -Wduplicated-cond \
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-Wduplicated-branches -Wlogical-op -Wnull-dereference -Wformat=2 \
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-Wformat-overflow -Wformat-truncation -Wdouble-promotion -Wundef \
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-DLOCAL -std=c++20
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# https://interrupt.memfault.com/blog/best-and-worst-gcc-clang-compiler-flags
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DEBUG_CXX_FLAGS := -g3 -fsanitize=address,undefined \
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-fsanitize=float-divide-by-zero -fsanitize=float-cast-overflow \
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-fno-sanitize-recover=all -fstack-protector-all -fstack-usage \
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-fno-omit-frame-pointer -fno-inline -ffunction-sections
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DEBUG_CXXFLAGS += -D_GLIBCXX_DEBUG -D_GLIBCXX_DEBUG_PEDANTIC
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SRC = $(word 2,$(MAKECMDGOALS))
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BASE = $(basename $(SRC))
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INPUT = $(BASE).in
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OUTPUT = $(BASE).out
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RUN_BIN = $(BASE).run
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DBG_BIN = $(BASE).debug
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TEMPLATE_DIR = ~/.config/cp-template
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.SILENT:
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run: $(RUN_BIN)
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$(call execute_binary,$(RUN_BIN))
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debug: $(DBG_BIN)
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$(call execute_binary,$(DBG_BIN))
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$(RUN_BIN): $(SRC)
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test -f $@ && rm $@ || true
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$(CXX) @compile_flags.txt $(SRC) -o $@ 2>$(OUTPUT); \
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CODE=$$?; \
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if [ $${CODE} -gt 0 ]; then \
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printf '\n[code]: %s' $${CODE} >>$(OUTPUT); \
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exit $${CODE}; \
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else \
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echo '' >$(OUTPUT); \
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fi
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$(DBG_BIN): $(SRC)
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test -f $@ && rm $@ || true
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$(CXX) @compile_flags.txt $(DEBUG_CXX_FLAGS) $(SRC) -o $@ 2>$(OUTPUT); \
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CODE=$$?; \
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if [ $${CODE} -gt 0 ]; then \
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printf '\n[code]: %s' $${CODE} >>$(OUTPUT); \
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exit $${CODE}; \
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else \
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echo '' >$(OUTPUT); \
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fi
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define execute_binary
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timeout 2s ./$1 < $(INPUT) >$(OUTPUT) 2>&1; \
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CODE=$$?; \
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truncate -s $$(head -n 1000 $(OUTPUT) | wc -c) $(OUTPUT); \
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if [ $${CODE} -ge 124 ]; then \
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MSG=''; \
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case $${CODE} in \
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124) MSG='TIMEOUT';; \
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128) MSG='SIGILL';; \
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130) MSG='SIGABRT';; \
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131) MSG='SIGBUS';; \
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136) MSG='SIGFPE';; \
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135) MSG='SIGSEGV';; \
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137) MSG='SIGPIPE';; \
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139) MSG='SIGTERM';; \
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esac; \
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[ -n "$${MSG}" ] && printf '\n[code]: %s (%s)' "$${CODE}" "$${MSG}" >>$(OUTPUT); \
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else \
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printf '\n[code]: %s' $${CODE} >>$(OUTPUT); \
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fi
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endef
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clean:
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find . -type f -name "*.run" -o -name "*.debug" -o -name "*.su" | xargs rm -f
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setup:
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test -f compile_flags.txt || cp $(TEMPLATE_DIR)/compile_flags.txt .
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test -f .clangd || cp $(TEMPLATE_DIR)/.clangd .
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test -f .clang-format || cp $(TEMPLATE_DIR)/.clang-format .
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init:
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make setup
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%:
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@:
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