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Makefile
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Makefile
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# Amocao C/C++ Build System Copyright (C) 2021-2023 Jyothiraditya Nellakra
#
# This program is free software: you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free Software
# Foundation, either version 3 of the License, or (at your option) any later
# version.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
# details.
#
# You should have received a copy of the GNU General Public License along with
# this program. If not, see <https://www.gnu.org/licenses/>.
# Make sure that config runs before making anything.
ifeq ($(wildcard .config.mk),) # The config file is missing.
ifneq ($(filter autoconfig,$(MAKECMDGOALS)),) # Run make autoconfig.
$(info *** Configuration missing; running 'make autoconfig'.)
$(shell chmod +x configure.sh)
$(shell ./configure.sh --auto)
else # Run make config.
$(info *** Configuration missing; running 'make config'.)
$(shell chmod +x configure.sh)
$(shell ./configure.sh)
endif
endif
# Include the config file.
include .config.mk
# We are a library, and our main goal is to construct the archive file.
FINAL = build/$(NAME).a
# We want to build with debugging symbols as a default.
.DEFAULT_GOAL = debug
ifneq ($(filter release,$(MAKECMDGOALS)),)
CFLAGS = $(CFLAGS_RELEASE)
CCFLAGS = $(CCFLAGS_RELEASE)
TEST_FLAGS = $(TEST_FLAGS_RELEASE)
else
CFLAGS = $(CFLAGS_DEBUG)
CCFLAGS = $(CCFLAGS_DEBUG)
TEST_FLAGS = $(TEST_FLAGS_DEBUG)
endif
# Lists of files to be used in our recipe rules.
# Shell scripts.
build_scripts = $(wildcard *.sh)
demo_scripts = $(shell find demos/ -name "*.sh")
test_scripts = $(shell find tests/ -name "*.sh")
scripts = $(build_scripts) $(demo_scripts) $(test_scripts)
# Core C/C++ source files.
c_srcs = $(shell find src/ -name "*.c")
cc_srcs = $(shell find src/ -name "*.cc")
# Core C/C++ header files.
c_headers = $(shell find inc/ -name "*.h")
cc_headers = $(shell find inc/ -name "*.hh")
headers = $(c_headers) $(cc_headers)
# Objects that need to be made from the C/C++ source files.
c_objs = $(patsubst %.c,build/%.o,$(c_srcs))
cc_objs = $(patsubst %.cc,build/%_cc.o,$(cc_srcs))
objs = $(c_objs) $(cc_objs)
# C/C++ demo program source files.
c_demo_srcs = $(shell find demos/ -name "*.c")
cc_demo_srcs = $(shell find demos/ -name "*.cc")
# C/C++ demo program output files.
c_demos = $(patsubst demos/%.c,build/%_demo,$(c_demo_srcs))
cc_demos = $(patsubst demos/%.cc,build/%_cc_demo,$(cc_demo_srcs))
demos = $(c_demos) $(cc_demos) $(demo_scripts)
# C/C++ test program source files.
c_test_srcs = $(shell find tests/ -name "*.c")
cc_test_srcs = $(shell find tests/ -name "*.cc")
# C/C++ test program output files.
c_tests = $(patsubst tests/%.c,build/%_test,$(c_test_srcs))
cc_tests = $(patsubst tests/%.cc,build/%_cc_test,$(cc_test_srcs))
tests = $(c_tests) $(cc_tests) $(test_scripts)
# Automatic rules for creating those files.
.PHONY: $(scripts)
# Command to print out how many targets are done and how many remain.
DONE_TALLY = X # Counting starts at 1.
DONE_COUNT = $(words $(DONE_TALLY)$(eval DONE_TALLY := X $(DONE_TALLY)))
LEFT_COUNT = $$(PROGRESS="" $(MAKE) -kq $(MAKECMDGOALS) | wc -l)
TOTAL_COUNT = $$(echo "$(DONE_COUNT) + $(LEFT_COUNT)" | bc -l)
PERCENTAGE = $$(echo "$(DONE_COUNT) * 100 / $(TOTAL_COUNT)" | bc -l)
PROGRESS ?= printf " \033[0;1m[%.0f%%]\r\033[0;0m" $(PERCENTAGE)
$(scripts) : % :
@+printf " CHMOD ${@}\n"; $(PROGRESS)
@chmod +x $@
$(c_objs) : build/%.o : %.c $(headers)
@+printf " CC ${<}\n"; $(PROGRESS)
@mkdir -p $(@D)
@$(CC) $(CFLAGS) -c $< -o $@
$(cc_objs) : build/%_cc.o : %.cc $(headers)
@+printf " CXX ${<}\n"; $(PROGRESS)
@mkdir -p $(@D)
@$(CXX) $(CCFLAGS) -c $< -o $@
$(c_demos) : build/%_demo : demos/%.c $(headers) $(FINAL) $(LIBS)
@+printf " CC ${<}\n"; $(PROGRESS)
@mkdir -p $(@D)
@$(CC) $(CFLAGS) $< -o $@ $(LD_LIBS)
$(cc_demos) : build/%_cc_demo : demos/%.cc $(headers) $(FINAL) $(LIBS)
@+printf " CXX ${<}\n"; $(PROGRESS)
@mkdir -p $(@D)
@$(CXX) $(CCFLAGS) $< -o $@ $(LD_LIBS)
$(c_tests) : build/%_test : tests/%.c $(headers) $(FINAL) $(LIBS)
@+printf " CC ${<}\n"; $(PROGRESS)
@mkdir -p $(@D)
@$(CC) $(CFLAGS) $< -o $@ $(LD_LIBS)
$(cc_tests) : build/%_cc_test : tests/%.cc $(headers) $(FINAL) $(LIBS)
@+printf " CXX ${<}\n"; $(PROGRESS)
@mkdir -p $(@D)
@$(CXX) $(CCFLAGS) $< -o $@ $(LD_LIBS)
# Our main target file.
$(FINAL): $(objs)
@+printf " AR $(FINAL)\n"; $(PROGRESS)
@mkdir -p $(@D)
@$(AR) rcs $(FINAL) $(objs)
# Commands
.PHONY : release debug demos clean deep-clean
.PHONY : config autoconfig tidy format
release: $(FINAL)
debug: $(FINAL)
demos: $(demos)
clean :
@+printf " RM build/\n"; $(PROGRESS)
@-rm -r build/
deep-clean : clean
@+printf " RM .config.mk\n"; $(PROGRESS)
@-rm -r .config.mk
config: $(build_scripts)
@+printf " BASH configure.sh\n"; $(PROGRESS)
@./configure.sh
autoconfig: $(build_scripts)
@+printf " BASH configure.sh --auto\n"; $(PROGRESS)
@./configure.sh --auto
tidy :
@+printf " BASH clang-tidy ...\n"; $(PROGRESS)
@clang-tidy $(c_srcs) $(headers) -- $(CFLAGS)
@clang-tidy $(c_demo_srcs) -- $(CFLAGS)
@clang-tidy $(c_test_srcs) -- $(CFLAGS)
@cland-tidy $(cc_srcs) $(headers) -- $(CCFLAGS)
@cland-tidy $(cc_demo_srcs) -- $(CCFLAGS)
@cland-tidy $(cc_test_srcs) -- $(CCFLAGS)
# Testing requires a little bit of hacky coding for the make configuration.
runnable_tests = $(patsubst %,run-%,$(test_scripts))
.PHONY: $(runnable_tests) test
$(runnable_tests) : run-% : % $(tests)
@+printf " BASH ${<}\n"; $(PROGRESS)
@$< $(TEST_FLAGS)
test: $(runnable_tests)