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#!/usr/bin/env python
"""Common Compilers
Definition of commonly used compilers
"""
# Xnt -- A Wrapper Build Tool
# Copyright (C) 2013 Kenny Ballou
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import os
import logging
from xnt.tasks import call, which
LOGGER = logging.getLogger(__name__)
def gcc(src, flags=None):
"""gcc compiler, non-named output file
:param src: C source file to compile with default `gcc`
:param flags: List of flags to pass onto the compiler
"""
assert which("gcc")
return _gcc(src, flags)
def gpp(src, flags=None):
"""g++ compiler, non-named output file
:param src: C++ source file to compile with default `g++`
:param flags: List of flags to pass onto the compiler
"""
assert which("g++")
return _gcc(src, flags, "g++")
def gcc_o(src, output, flags=None):
"""gcc compiler, with output file
:param src: C source file to compile with default `gcc`
:param output: Name of resulting object or executable
:param flags: List of flags to pass onto the compiler
"""
assert which("gcc")
return _gcc_o(src, output, flags)
def gpp_o(src, output, flags=None):
"""g++ compiler, with output file
:param src: C++ source file to compile with default `g++`
:param output: Name of resulting object or executable
:param flags: List of flags to pass onto the compiler
"""
assert which("g++")
return _gcc_o(src, output, flags, "g++")
def javac(src, flags=None):
"""Javac: compile Java programs
:param src: Java source file to compile with default `javac`
:param flags: List of flags to pass onto the compiler
"""
assert which("javac")
LOGGER.info("Compiling %s", src)
cmd = __generate_command(src, flags, "javac")
return __compile(cmd)
def nvcc(src, flags=None):
"""NVCC: compile CUDA C/C++ programs
:param src: CUDA source file to compile with default `nvcc`
:param flags: List of flags to pass onto the compiler
"""
assert which('nvcc')
return _gcc(src, flags, compiler='nvcc')
def nvcc_o(src, output, flags=None):
"""NVCC: compile with named output
:param src: CUDA source file to compile with default `nvcc`
:param output: Name of resulting object or executable
:param flags: List of flags to pass onto the compiler
"""
assert which('nvcc')
return _gcc_o(src, output, flags, compiler='nvcc')
def _gcc(src, flags=None, compiler="gcc"):
"""Compile using gcc"""
LOGGER.info("Compiling %s", src)
return __compile(__generate_command(src, flags, compiler))
def _gcc_o(src, output, flags=None, compiler="gcc"):
"""Compile with gcc specifying output file name"""
LOGGER.info("Compiling %s to %s", src, output)
cmd = __generate_command(src, flags, compiler)
cmd.append("-o")
cmd.append(output)
return __compile(cmd)
def __generate_command(src, flags=None, compiler="gcc"):
"""Generate cmd list for call"""
cmd = [compiler, src]
if flags:
for flag in flags:
cmd.append(flag)
return cmd
def __compile(cmd):
"""Run Compile, using `xnt.tasks.call`"""
return call(cmd)
def __is_newer(file_a, file_b):
"""Compare mmtimes of files
Return True if `file_a` is modified later than `file_b`
"""
return os.path.getmtime(file_a) > os.path.getmtime(file_b)
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