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Makefile
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Makefile
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#### PROJECT SETTINGS ####
# The name of the executable to be created
BIN_NAME := timetable
# Compiler used
CXX ?= clang
# Extension of source files used in the project
SRC_EXT = cc
# Path to the source directory, relative to the makefile
SRC_PATH = src
# Space-separated pkg-config libraries used by this project
LIBS =
# General compiler flags
COMPILE_FLAGS = -std=c++1z -Wall -Wextra -Wno-reorder -g
# Additional release-specific flags
RCOMPILE_FLAGS = -D NDEBUG
# Additional debug-specific flags
DCOMPILE_FLAGS = -D DEBUG
# Add additional include paths
INCLUDES = -I$(SRC_PATH) -Iinclude/
# General linker settings
LINK_FLAGS = -Llib/ -lwamped -lmpack -lmpackcpp
# Additional release-specific linker settings
RLINK_FLAGS =
# Additional debug-specific linker settings
DLINK_FLAGS =
# Destination directory, like a jail or mounted system
DESTDIR = /
# Install path (bin/ is appended automatically)
INSTALL_PREFIX = usr/local
#### END PROJECT SETTINGS ####
# Generally should not need to edit below this line
# Obtains the OS type, either 'Darwin' (OS X) or 'Linux'
UNAME_S:=$(shell uname -s)
# Function used to check variables. Use on the command line:
# make print-VARNAME
# Useful for debugging and adding features
print-%: ; @echo $*=$($*)
# Shell used in this makefile
# bash is used for 'echo -en'
SHELL = /bin/bash
# Clear built-in rules
.SUFFIXES:
# Programs for installation
INSTALL = install
INSTALL_PROGRAM = $(INSTALL)
INSTALL_DATA = $(INSTALL) -m 644
# Append pkg-config specific libraries if need be
ifneq ($(LIBS),)
COMPILE_FLAGS += $(shell pkg-config --cflags $(LIBS))
LINK_FLAGS += $(shell pkg-config --libs $(LIBS))
endif
# Verbose option, to output compile and link commands
export V := false
export CMD_PREFIX := @
ifeq ($(V),true)
CMD_PREFIX :=
endif
# Combine compiler and linker flags
release: export CXXFLAGS := $(CXXFLAGS) $(COMPILE_FLAGS) $(RCOMPILE_FLAGS)
release: export LDFLAGS := $(LDFLAGS) $(LINK_FLAGS) $(RLINK_FLAGS)
debug: export CXXFLAGS := $(CXXFLAGS) $(COMPILE_FLAGS) $(DCOMPILE_FLAGS)
debug: export LDFLAGS := $(LDFLAGS) $(LINK_FLAGS) $(DLINK_FLAGS)
# Build and output paths
release: export BUILD_PATH := build/release
release: export BIN_PATH := bin/release
debug: export BUILD_PATH := build/debug
debug: export BIN_PATH := bin/debug
install: export BIN_PATH := bin/release
# Find all source files in the source directory, sorted by most
# recently modified
ifeq ($(UNAME_S),Darwin)
SOURCES = $(shell find $(SRC_PATH) -name '*.$(SRC_EXT)' | sort -k 1nr | cut -f2-)
else
SOURCES = $(shell find $(SRC_PATH) -name '*.$(SRC_EXT)' -printf '%T@\t%p\n' \
| sort -k 1nr | cut -f2-)
endif
# fallback in case the above fails
rwildcard = $(foreach d, $(wildcard $1*), $(call rwildcard,$d/,$2) \
$(filter $(subst *,%,$2), $d))
ifeq ($(SOURCES),)
SOURCES := $(call rwildcard, $(SRC_PATH), *.$(SRC_EXT))
endif
# Set the object file names, with the source directory stripped
# from the path, and the build path prepended in its place
OBJECTS = $(SOURCES:$(SRC_PATH)/%.$(SRC_EXT)=$(BUILD_PATH)/%.o)
# Set the dependency files that will be used to add header dependencies
DEPS = $(OBJECTS:.o=.d)
# Macros for timing compilation
ifeq ($(UNAME_S),Darwin)
CUR_TIME = awk 'BEGIN{srand(); print srand()}'
TIME_FILE = $(dir $@).$(notdir $@)_time
START_TIME = $(CUR_TIME) > $(TIME_FILE)
END_TIME = read st < $(TIME_FILE) ; \
$(RM) $(TIME_FILE) ; \
st=$$((`$(CUR_TIME)` - $$st)) ; \
echo $$st
else
TIME_FILE = $(dir $@).$(notdir $@)_time
START_TIME = date '+%s' > $(TIME_FILE)
END_TIME = read st < $(TIME_FILE) ; \
$(RM) $(TIME_FILE) ; \
st=$$((`date '+%s'` - $$st - 86400)) ; \
echo `date -u -d @$$st '+%H:%M:%S'`
endif
# Version macros
# Comment/remove this section to remove versioning
USE_VERSION := false
# If this isn't a git repo or the repo has no tags, git describe will return non-zero
ifeq ($(shell git describe > /dev/null 2>&1 ; echo $$?), 0)
USE_VERSION := true
VERSION := $(shell git describe --tags --long --dirty --always | \
sed 's/v\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\)-\?.*-\([0-9]*\)-\(.*\)/\1 \2 \3 \4 \5/g')
VERSION_MAJOR := $(word 1, $(VERSION))
VERSION_MINOR := $(word 2, $(VERSION))
VERSION_PATCH := $(word 3, $(VERSION))
VERSION_REVISION := $(word 4, $(VERSION))
VERSION_HASH := $(word 5, $(VERSION))
VERSION_STRING := \
"$(VERSION_MAJOR).$(VERSION_MINOR).$(VERSION_PATCH).$(VERSION_REVISION)-$(VERSION_HASH)"
override CXXFLAGS := $(CXXFLAGS) \
-D VERSION_MAJOR=$(VERSION_MAJOR) \
-D VERSION_MINOR=$(VERSION_MINOR) \
-D VERSION_PATCH=$(VERSION_PATCH) \
-D VERSION_REVISION=$(VERSION_REVISION) \
-D VERSION_HASH=\"$(VERSION_HASH)\"
endif
# Standard, non-optimized release build
.PHONY: release
release: dirs
ifeq ($(USE_VERSION), true)
@echo "Beginning release build v$(VERSION_STRING)"
else
@echo "Beginning release build"
endif
@$(START_TIME)
@$(MAKE) all --no-print-directory
@echo -n "Total build time: "
@$(END_TIME)
# Debug build for gdb debugging
.PHONY: debug
debug: dirs
ifeq ($(USE_VERSION), true)
@echo "Beginning debug build v$(VERSION_STRING)"
else
@echo "Beginning debug build"
endif
@$(START_TIME)
@$(MAKE) all --no-print-directory
@echo -n "Total build time: "
@$(END_TIME)
# Create the directories used in the build
.PHONY: dirs
dirs:
@echo "Creating directories"
@mkdir -p $(dir $(OBJECTS))
@mkdir -p $(BIN_PATH)
# Installs to the set path
.PHONY: install
install:
@echo "Installing to $(DESTDIR)$(INSTALL_PREFIX)/bin"
@$(INSTALL_PROGRAM) $(BIN_PATH)/$(BIN_NAME) $(DESTDIR)$(INSTALL_PREFIX)/bin
# Uninstalls the program
.PHONY: uninstall
uninstall:
@echo "Removing $(DESTDIR)$(INSTALL_PREFIX)/bin/$(BIN_NAME)"
@$(RM) $(DESTDIR)$(INSTALL_PREFIX)/bin/$(BIN_NAME)
# Removes all build files
.PHONY: clean
clean:
@echo "Deleting $(BIN_NAME) symlink"
@$(RM) $(BIN_NAME)
@echo "Deleting directories"
@$(RM) -r build
@$(RM) -r bin
# Main rule, checks the executable and symlinks to the output
all: $(BIN_PATH)/$(BIN_NAME)
@echo "Making symlink: $(BIN_NAME) -> $<"
@$(RM) $(BIN_NAME)
@ln -s $(BIN_PATH)/$(BIN_NAME) $(BIN_NAME)
# Link the executable
$(BIN_PATH)/$(BIN_NAME): $(OBJECTS)
@echo "Linking: $@"
@$(START_TIME)
$(CMD_PREFIX)$(CXX) $(OBJECTS) $(LDFLAGS) -o $@
@echo -en "\t Link time: "
@$(END_TIME)
# Add dependency files, if they exist
-include $(DEPS)
# Source file rules
# After the first compilation they will be joined with the rules from the
# dependency files to provide header dependencies
$(BUILD_PATH)/%.o: $(SRC_PATH)/%.$(SRC_EXT)
@echo "Compiling: $< -> $@"
@$(START_TIME)
$(CMD_PREFIX)$(CXX) $(CXXFLAGS) $(INCLUDES) -MP -MMD -c $< -o $@
@echo -en "\t Compile time: "
@$(END_TIME)
# .dockerignore is generated by concatenating gitignores
.dockerignore: .gitignore wamped/.gitignore wamped/mpack/.gitignore
@echo "Generating .dockerignore"
@grep -e '^[^#$$]' .gitignore > .dockerignore
@grep -e '^[^#$$]' wamped/.gitignore | sed -e 's|^|wamped/|' >> .dockerignore
@grep -e '^[^#$$]' wamped/mpack/.gitignore | sed -e 's|^|wamped/mpack/|' >> .dockerignore