fb72dca77a
When running the make file with a number of jobs, the following warning was generated by the make process used to parse the dependency makefile generated by OpenSCAD: make[1]: warning: jobserver unavailable: using -j1. Add '+' to parent make rule. With this change, the variables MAKELEVEL and MAKEFLAGS are removed from the environment before starting the child make process.
54 lines
1.7 KiB
Python
54 lines
1.7 KiB
Python
import os, sys
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from lib import util
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def _openscad(in_path, out_path, deps_path):
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util.command([os.environ['OPENSCAD'], '-o', out_path, '-d', deps_path, in_path])
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def _write_dependencies(path, target, dependencies):
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util.write_file(path, '{}: {}\n'.format(target, ' '.join(dependencies)).encode())
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def main(in_path, out_path, deps_path):
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cwd = os.getcwd()
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def relpath(path):
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return os.path.relpath(path, cwd)
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with util.TemporaryDirectory() as temp_dir:
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temp_deps_path = os.path.join(temp_dir, 'deps')
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temp_mk_path = os.path.join(temp_dir, 'mk')
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temp_files_path = os.path.join(temp_dir, 'files')
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_, out_ext = os.path.splitext(out_path)
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# OpenSCAD requires the output file name to end in .stl or .dxf.
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temp_out_path = os.path.join(temp_dir, 'out' + out_ext)
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_openscad(in_path, temp_out_path, temp_deps_path)
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mk_content = '%:; echo "$@" >> {}'.format(util.bash_escape_string(temp_files_path))
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# Use make to parse the dependency makefile written by OpenSCAD.
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util.write_file(temp_mk_path, mk_content.encode())
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util.command(['make', '-s', '-B', '-f', temp_mk_path, '-f', temp_deps_path], remove_env = ['MAKELEVEL', 'MAKEFLAGS'])
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# All dependencies as paths relative to the project root.
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deps = set(map(relpath, util.read_file(temp_files_path).decode().splitlines()))
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# Relative paths to all files that should not appear in the dependency makefile.
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ignored_files = set(map(relpath, [in_path, temp_deps_path, temp_mk_path, temp_out_path]))
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# Write output files.
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_write_dependencies(deps_path, relpath(out_path), deps - ignored_files)
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os.rename(temp_out_path, out_path)
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try:
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main(*sys.argv[1:])
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except util.UserError as e:
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print 'Error:', e
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sys.exit(1)
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except KeyboardInterrupt:
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sys.exit(2)
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