ApprovalTests.c/makefile at master · codecop/ApprovalTests.c · GitHub

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library_name := approvals

##### folders
src_dir 	:= ./src
test_dir 	:= ./tests
cov_dir 	:= ./gcov
lib_dir 	:= ./lib
example_dir := ./example

##### files
src_files 	:= $(wildcard $(src_dir)/*.c)
obj_files 	:= $(src_files:.c=.o)

ifeq ($(OS),Windows_NT)
exec_extension := .exe
else
exec_extension := .
endif

test_src_files := $(wildcard $(test_dir)/*Test.c)
test_run_files := $(test_src_files:.c=$(exec_extension))

cov_sources := $(src_files:.c=.c.gcov)
cov_files 	:= $(cov_sources:$(src_dir)/%=$(cov_dir)/%)

ifeq ($(OS),Windows_NT)
library := ./bin/$(library_name).dll
else
library := ${lib_dir}/lib$(library_name).so
endif

example_src_files := $(wildcard $(example_dir)/*Test.c)
example_run_files := $(example_src_files:.c=$(exec_extension))

##### tools
CC := @gcc
COV := gcov

##### flags
CFLAGS := -g
# user can override with -O

STD := c99
C_BASE_FLAGS := -std=$(STD) -pedantic -pedantic-errors
C_BASE_FLAGS := -Werror -Wall -Wextra
C_BASE_FLAGS += -Wbad-function-cast -Wconversion -Wdeprecated -Wdiv-by-zero -Wfloat-equal -Wformat=2 -Wint-to-pointer-cast -Wjump-misses-init -Wlogical-op -Woverflow -Wpointer-to-int-cast -Wshadow -Wswitch-default
C_BASE_FLAGS += -Wno-error=format -Wno-error=unused-variable -Wno-error=format-nonliteral
ifneq ($(OS),Windows_NT)
C_BASE_FLAGS += -fPIC
endif

C_COMPILE_FLAGS := $(C_BASE_FLAGS) -c ${CFLAGS}

C_TEST_FLAGS := $(C_BASE_FLAGS) ${CFLAGS}

C_LIBRARY_FLAGS := $(C_BASE_FLAGS) ${CFLAGS} -shared
ifeq ($(OS),Windows_NT)
C_LIBRARY_FLAGS += -Wl,--out-implib,${lib_dir}/lib$(library_name).a
# https://stackoverflow.com/questions/17601949/building-a-shared-library-using-gcc-on-linux-and-mingw-on-windows
endif

LD_FLAGS := -lcmocka

LD_APPROVALS := -l$(library_name)

##### compile targets

all: build test example

$(src_dir)/%.o: $(src_dir)/%.c
	$(CC) $(C_COMPILE_FLAGS) $< -o $@

##### test targets

$(test_dir)/%$(exec_extension): $(test_dir)/%.c ${obj_files}
	$(CC) $(C_TEST_FLAGS) ${obj_files} $< $(LD_FLAGS) -o $@

.PHONY: test
test: ${test_run_files}
	for exe in ${test_run_files}; do $$exe || exit; done

.PHONY: check
check: test

##### coverage targets

$(cov_dir):
	mkdir $(cov_dir)

$(cov_dir)/%.c.gcov: $(src_dir)/%.c $(cov_dir)
	${COV} $<
	mv *.c.gcov ${cov_dir}/

coverage: C_COMPILE_FLAGS += --coverage
coverage: LD_FLAGS += -lgcov
coverage: clean test ${cov_files}
	rm -f $(src_dir)/*.gcno $(src_dir)/*.gcda

##### library targets

${library}: ${obj_files}
	$(CC) $(C_LIBRARY_FLAGS) $^ $(LD_FLAGS) -o ${library}

build: very-clean ${library}

lib: build

##### clean targets

.PHONY: clean
clean:
	rm -f $(src_dir)/*.o
	rm -f $(test_dir)/*$(exec_extension) $(test_dir)/*.received.*
	rm -f ${example_dir}/*$(exec_extension) ${example_dir}/*.received.*
	rm -f -r ${cov_dir}
#   Eclipse folder
	rm -f -r ./Default

.PHONY: very-clean
very-clean: clean
	rm -f ${library}
	rm -f $(lib_dir)/*.a

##### example targets
# example build needs approvals to be "installed"

$(example_dir)/%$(exec_extension): $(example_dir)/%.c ${library}
	$(CC) $(C_TEST_FLAGS) $< $(LD_FLAGS) $(LD_APPROVALS) -o $@

.PHONY: example
example: ${example_run_files}
	for exe in ${example_run_files}; do $$exe || exit; done