.Makefile-c

###########################
# Makefile for C/C++ code #
###########################

# Set the build directory based on the variable 'config'
ifndef config
    config=release
endif
ifeq ($(config),release)
    BUILD_DIR_C:=build
else ifeq ($(config),debug)
    BUILD_DIR_C:=build-debug
else ifeq ($(config),test)
    BUILD_DIR_C:=build-test
else 
    $(error Invalid build 'config' {$(config)} specified.)
endif

###########################################
# cmake build, install, docs, etc targets #
###########################################

# Perform build
.PHONY: build-c
build-c: cmake
	@$(ECHO) "Performing C/C++ build..."
	@cd $(BUILD_DIR_C);make
	@$(ECHO) "Done."

# Run cmake
.PHONY: cmake
cmake:  $(BUILD_DIR_C).DIR
	@$(ECHO) "Running 'cmake'..."
# TODO: Check if this works
#	@cd $(BUILD_DIR_C);cmake --config config ..
	@cd $(BUILD_DIR_C);cmake ..
	@$(ECHO) "Done."

# Make the build directory
# This '.DIR' trick is needed to avoid
# conflicts with the 'build' target.
$(BUILD_DIR_C).DIR:
ifeq ($(wildcard $(BUILD_DIR_C)),)
	@$(ECHO) -n "Making build directory {"$(basename $@)"}..."
	@mkdir $(basename $@)
	@$(ECHO) "Done."
endif

# Run Doxygen to generate C/C++ API information
.PHONY: docs-c
docs-c: .print_status
	@$(ECHO) "Generating project docs..."
	@cd $(BUILD_DIR_C);make docs-api
	@$(ECHO) "Done."

# Install
.PHONY: install-c
install-c: .print_status build-c
	@$(ECHO) "Installing C/C++ code..."
	@cd $(BUILD_DIR_C);make install
	@$(ECHO) "Done."

# Clean C/C++ build
.PHONY:	clean-c
clean-c: .print_status
	@$(ECHO) -n "Cleaning-up build directory '"$(BUILD_DIR_C)"'..."
	@rm -rf $(BUILD_DIR_C)
	@$(ECHO) "Done."

#################################
# C/C++ targets for developers  #
#################################

# Run C tests
.PHONY:	test-c
test-c: .print_status build-c
	@$(ECHO) "Running C/C++ tests..."
	@make -f test/Makefile tests
	@$(ECHO) "Done."

# Compute C/C++ test coverage
.PHONY:	coverage-c
coverage-c: .print_status build-c
	@$(ECHO) "Generating C/C++ test coverage report..."
	@make -f test/Makefile kcov
	@$(ECHO) "Done."

# Report C/C++ linting issues
.PHONY:	lint-check-c
lint-check-c: .print_status build-c
	@$(ECHO) "Linting C/C++ code..."
	@cd $(BUILD_DIR_C);make clang-format-check
	@$(ECHO) "Done."

# Fix C/C++ linting issues in-place
.PHONY:	lint-fix-c
lint-fix-c: .print_status build-c
	@$(ECHO) "Applying linting suggestions to C/C++ code..."
	@cd $(BUILD_DIR_C);make clang-format-fix
	@$(ECHO) "Done."

####################################################################
# Supported 'cmake' targets not covered by the targets given above #
####################################################################
CMAKE_TARGETS = clang-tidy-suggest clang-tidy-fix
.PHONY: $(CMAKE_TARGETS)
$(CMAKE_TARGETS): .print_status cmake
	@$(ECHO) "Running cmake target '"$@"'..."
	@cd $(BUILD_DIR_C);make $@
	@$(ECHO) "Done."