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105 lines
3.3 KiB
105 lines
3.3 KiB
#!/usr/bin/python3 -tt |
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# Copyright 2012 Jussi Pakkanen |
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# Licensed under the Apache License, Version 2.0 (the "License"); |
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# you may not use this file except in compliance with the License. |
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# You may obtain a copy of the License at |
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# http://www.apache.org/licenses/LICENSE-2.0 |
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# Unless required by applicable law or agreed to in writing, software |
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# distributed under the License is distributed on an "AS IS" BASIS, |
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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# See the License for the specific language governing permissions and |
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# limitations under the License. |
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import subprocess, os.path |
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class EnvironmentException(Exception): |
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def __init(self, text): |
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Exception.__init__(self, text) |
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def detect_c_compiler(execmd): |
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exelist = execmd.split() |
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p = subprocess.Popen(exelist + ['--version'], stdout=subprocess.PIPE) |
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(out, err) = p.communicate() |
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out = out.decode() |
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if (out.startswith('cc ') or out.startswith('gcc')) and \ |
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'Free Software Foundation' in out: |
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return GnuCCompiler(exelist) |
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raise EnvironmentException('Unknown compiler "' + execmd + '"') |
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class CCompiler(): |
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def __init__(self, exelist): |
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if type(exelist) == type(''): |
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self.exelist = [exelist] |
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elif type(exelist) == type([]): |
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self.exelist = exelist |
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else: |
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raise TypeError('Unknown argument to CCompiler') |
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def get_exelist(self): |
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return self.exelist |
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def get_compile_only_flags(self): |
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return ['-c'] |
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def get_output_flags(self): |
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return ['-o'] |
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def can_compile(self, filename): |
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suffix = filename.split['.'][-1] |
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if suffix == 'c' or suffix == 'h': |
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return True |
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return False |
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def name_string(self): |
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return ' '.join(self.exelist) |
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def sanity_check(self, work_dir): |
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source_name = os.path.join(work_dir, 'sanitycheck.c') |
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binary_name = os.path.join(work_dir, 'sanitycheck') |
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ofile = open(source_name, 'w') |
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ofile.write('int main(int argc, char **argv) { return 0; }\n') |
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ofile.close() |
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pc = subprocess.Popen(self.exelist + [source_name, '-o', binary_name]) |
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pc.wait() |
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if pc.returncode != 0: |
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raise RuntimeError('Compiler %s can not compile programs.' % self.name_string()) |
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pe = subprocess.Popen(binary_name) |
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pe.wait() |
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if pe.returncode != 0: |
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raise RuntimeError('Executables created by compiler %s are not runnable.' % self.name_string()) |
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class GnuCCompiler(CCompiler): |
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std_warn_flags = ['-Wall', '-Winvalid-pch'] |
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std_opt_flags = ['-O2'] |
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def __init__(self, exelist): |
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CCompiler.__init__(self, exelist) |
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def get_std_warn_flags(self): |
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return GnuCCompiler.std_warn_flags |
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def get_std_opt_flags(self): |
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return GnuCCompiler.std_opt_flags |
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def shell_quote(cmdlist): |
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return ["'" + x + "'" for x in cmdlist] |
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def test_cmd_line_building(): |
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src_file = 'file.c' |
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dst_file = 'file.o' |
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gnuc = detect_c_compiler('/usr/bin/cc') |
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cmds = gnuc.get_exelist() |
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cmds += gnuc.get_std_warn_flags() |
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cmds += gnuc.get_compile_only_flags() |
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cmds.append(src_file) |
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cmds += gnuc.get_output_flags() |
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cmds.append(dst_file) |
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cmd_line = ' '.join(shell_quote(cmds)) |
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print(cmd_line) |
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if __name__ == '__main__': |
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test_cmd_line_building()
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