Makefile

#
# Copyright 2021 Stanislav Paskalev <spaskalev@protonmail.com>
#

# Disable default implicit rules
MAKEFLAGS += --no-builtin-rules
.SUFFIXES:

LLVM_VERSION?=11
CC=clang-$(LLVM_VERSION)
CFLAGS=-std=c99 -pg -no-pie -fno-builtin -g -O0 -Og -fstrict-aliasing -fstack-protector-all -fsanitize=undefined -pedantic -Wall -Wextra -Werror -Wfatal-errors -Wformat --coverage
LLVM_COV=llvm-cov-$(LLVM_VERSION)
CTIDY=clang-tidy-$(LLVM_VERSION)
CTIDY_CHECKS='bugprone-*,performance-*,readability-*,-readability-magic-numbers,-clang-analyzer-security.*'
CTIDY_EXTRA='-std=c99'
TESTS_SRC=tests.c
LIB_SRC=buddy_alloc.h

test: tests.out spell
	rm -f *.gcda
	./tests.out
	$(LLVM_COV) gcov -b $(TESTS_SRC) | paste -s -d ',' | sed -e 's/,,/,\n/' | cut -d ',' -f 1,2,3
	! grep  '#####:' *.gcov
	! grep -E '^branch\s*[0-9]? never executed$$' *.gcov

tests.out: $(TESTS_SRC) $(LIB_SRC) test-clang-tidy test-cppcheck check-recursion
	$(CC) $(CFLAGS) $(TESTS_SRC) -o $@

test-clang-tidy: $(TESTS_SRC)
	$(CTIDY) -checks=$(CTIDY_CHECKS) -warnings-as-errors='*' --extra-arg=$(CTIDY_EXTRA) $^ --

test-cppcheck: $(TESTS_SRC)
	cppcheck --error-exitcode=1 --quiet $^

test-multiplatform: $(TESTS_SRC)
	# 64-bit
	powerpc64-linux-gnu-gcc -static $(TESTS_SRC) && ./a.out
	aarch64-linux-gnu-gcc -static $(TESTS_SRC) && ./a.out
	# 32-bit
	i686-linux-gnu-gcc -static -g tests.c && ./a.out
	powerpc-linux-gnu-gcc -static $(TESTS_SRC) && ./a.out

check-recursion: $(LIB_SRC)
	[ $$( cflow --no-main $(LIB_SRC) | grep -c 'recursive:' ) -eq "0" ]

clean:
	rm -f a.out *.gcda *.gcno *.gcov tests.out

spell:
	spell -d .dict *.md
	[ -z "$$(spell -d .dict *.md)" ]

.PHONY: test clean test-clang-tidy test-cppcheck spell

.PRECIOUS: tests.out