• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1# Copyright 2016 Google Inc. All Rights Reserved.
2#
3# Licensed under the Apache License, Version 2.0 (the "License");
4# you may not use this file except in compliance with the License.
5# You may obtain a copy of the License at
6#
7#      http://www.apache.org/licenses/LICENSE-2.0
8#
9# Unless required by applicable law or agreed to in writing, software
10# distributed under the License is distributed on an "AS-IS" BASIS,
11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12# See the License for the specific language governing permissions and
13# limitations under the License.
14from typing import List
15
16
17def generate_makefile(cpp_files: List[str], executable_name: str, compile_command: str, link_command: str, link_command_suffix: str):
18    assert executable_name + '.cpp' in cpp_files, '%s.cpp in %s' % (executable_name, cpp_files)
19
20    link_rule_template = """
21{executable_name}: {object_files}
22\t{link_command} {object_files} -o {executable_name} {link_command_suffix}
23
24{executable_name}_ram.txt: {object_files_ram_txt}
25\t(cat {object_files_ram_txt}; /bin/time -v {link_command} {object_files} -o {executable_name}.tmp {link_command_suffix} 2>&1 | fgrep 'Maximum resident set size' | sed 's|.*: ||') >{executable_name}_ram.txt
26"""
27    compile_rule_template = """
28{name}.o: {name}.cpp
29\t{compile_command} -c {name}.cpp -o {name}.o
30
31{name}.o_ram.txt: {name}.cpp
32\t/bin/time -v {compile_command} -c {name}.cpp -o {name}.o 2>&1 | fgrep 'Maximum resident set size' | sed 's|.*: ||' >{name}.o_ram.txt
33"""
34
35    clean_rule_template = """
36clean:
37\trm -f {object_files} {dep_files} {executable_name} {executable_name}_ram.txt {object_files_ram_txt}
38"""
39
40    dep_file_deps = """
41%.d: ;
42"""
43
44    dep_files_includes_template = """
45include {dep_files}
46"""
47
48    compile_rules = []
49    object_files = []
50    object_files_ram_txt = []
51    dep_files = []
52    for cpp_file in cpp_files:
53        assert cpp_file.endswith('.cpp')
54        source = cpp_file[:-len('.cpp')]
55
56        compile_rule = compile_rule_template.format(
57            name=source,
58            compile_command=compile_command)
59        compile_rules.append(compile_rule)
60        object_files.append('%s.o' % source)
61        object_files_ram_txt.append('%s.o_ram.txt' % source)
62        dep_files.append('%s.d' % source)
63
64    link_rule = link_rule_template.format(
65        object_files=' '.join(object_files),
66        object_files_ram_txt=' '.join(object_files_ram_txt),
67        link_command=link_command,
68        link_command_suffix=link_command_suffix,
69        executable_name=executable_name)
70
71    clean_rule = clean_rule_template.format(
72        object_files=' '.join(object_files),
73        object_files_ram_txt=' '.join(object_files_ram_txt),
74        executable_name=executable_name,
75        dep_files=' '.join(dep_files))
76
77    dep_files_includes = dep_files_includes_template.format(dep_files=' '.join(dep_files))
78
79    # We put the link rule first so that it's the default Make target.
80    return link_rule + ''.join(compile_rules) + clean_rule + dep_file_deps + dep_files_includes
81