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#! /usr/bin/env python3
import os
import re
# -- helper functions --
def build_library(path, commands):
print("building library under {}".format(path))
old_path = os.getcwd()
os.chdir(path)
for cmd in commands:
print("running {}".format(cmd))
print(os.popen(cmd).read())
os.chdir(old_path)
def find_sources(path):
print("searching sources under {}".format(path))
# find files
sources = tuple(filter(lambda f: f.endswith(".cpp"), os.listdir(path)))
# replace extension
objects = tuple(map(lambda f: re.sub(".cpp$", ".o", f), sources))
# add path prefix
sources = tuple(map(lambda f: path + "/" + f, sources))
objects = tuple(map(lambda f: "build/" + path + "/" + f, objects))
return sources, objects
def add_test(bf, test_source, library):
print("adding test {}".format(test_source))
# replace extension
test_object = re.sub(".cpp$", ".o", test_source)
test_binary = re.sub(".o$", "", test_object)
# add path prefix
test_source = "test/" + test_source
test_object = "build/test/" + test_object
test_binary = "build/test/" + test_binary
print("build {}: cpp {}".format(test_object, test_source), file=bf)
print("build {}: link {}".format(test_binary, test_object), file=bf)
print(" lflags = $lflags {}".format(library), file=bf)
print("\n", file=bf)
def add_specific_test(bf, test_source, tested_sources):
print("adding specific test {}".format(test_source) + " to test {}".format(tested_sources))
# replace extension
test_object = re.sub(".cpp$", ".o", test_source)
test_binary = re.sub(".o$", "", test_object)
tested_objects = tuple(map(lambda f: re.sub(".cpp$", ".o", f), tested_sources))
# add path prefix
test_source = "test/" + test_source
test_object = "build/test/" + test_object
test_binary = "build/test/" + test_binary
tested_objects = tuple(map(lambda f: "build/" + f, tested_objects))
# append to build file
print("build {}: cpp {}".format(test_object, test_source), file=bf)
print("build {}: link {} {}".format(test_binary, test_object, " ".join(tested_objects)), file=bf)
print("\n", file=bf)
# -- prepare build.ninja --
with open("build.ninja", "w") as bf:
# include rules
print("include ninja/rules.ninja", file=bf)
print("\n", file=bf)
# build dependencies
build_library("lib/libmm", ["ninja"])
build_library("lib/libwsdl2", ["./configure.py", "ninja"])
# find engine sources
sources, objects = find_sources("engine")
# create build directories
print("build build/engine: mkdir", file=bf)
print("build build/test: mkdir", file=bf)
print("\n", file=bf)
# build engine files
for s, o in zip(sources, objects):
print("build {}: cpp {}".format(o, s), file=bf)
# build engine library
print("build build/libflatland.so: link-shared " + " ".join(objects), file=bf)
print("build build/libflatland.a: link-static " + " ".join(objects), file=bf)
print("\n", file=bf)
# set as default
print("default build/libflatland.so build/libflatland.a", file=bf)
print("\n", file=bf)
# add tests
add_specific_test(bf, "task_test.cpp", ["engine/task.cpp"])
add_test(bf, "signal_test.cpp", "build/libflatland.so")
print("default build/test/signal_test", file=bf)
# run ctags for vim :)
os.system("if type ctags; then ctags -R --extra=f . ; fi")
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