gem5/ext/libelf/SConscript

# -*- mode:python -*-

# Copyright (c) 2004-2005 The Regents of The University of Michigan
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met: redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer;
# redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution;
# neither the name of the copyright holders nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# Authors: Nathan Binkert

import os, subprocess

Import('env')

elf_files = []
def ElfFile(filename):
    elf_files.append(File(filename))
    
ElfFile('elf_begin.c')
ElfFile('elf_cntl.c')
ElfFile('elf_data.c')
ElfFile('elf_end.c')
ElfFile('elf_fill.c')
ElfFile('elf_flag.c')
ElfFile('elf_getarhdr.c')
ElfFile('elf_getarsym.c')
ElfFile('elf_getbase.c')
ElfFile('elf_getident.c')
ElfFile('elf_hash.c')
ElfFile('elf_kind.c')
ElfFile('elf_memory.c')
ElfFile('elf_next.c')
ElfFile('elf_phnum.c')
ElfFile('elf_rand.c')
ElfFile('elf_rawfile.c')
ElfFile('elf_scn.c')
ElfFile('elf_shnum.c')
ElfFile('elf_shstrndx.c')
ElfFile('elf_strptr.c')
ElfFile('elf_update.c')
ElfFile('elf_version.c')
ElfFile('gelf_checksum.c')
ElfFile('gelf_dyn.c')
ElfFile('gelf_ehdr.c')
ElfFile('gelf_fsize.c')
ElfFile('gelf_getclass.c')
ElfFile('gelf_phdr.c')
ElfFile('gelf_rel.c')
ElfFile('gelf_rela.c')
ElfFile('gelf_shdr.c')
ElfFile('gelf_sym.c')
ElfFile('gelf_symshndx.c')
ElfFile('gelf_xlate.c')
ElfFile('libelf.c')
ElfFile('libelf_align.c')
ElfFile('libelf_allocate.c')
ElfFile('libelf_ar.c')
ElfFile('libelf_checksum.c')
ElfFile('libelf_data.c')
ElfFile('libelf_ehdr.c')
ElfFile('libelf_extended.c')
ElfFile('libelf_phdr.c')
ElfFile('libelf_shdr.c')
ElfFile('libelf_xlate.c')

ElfFile('libelf_convert.c')
ElfFile('libelf_fsize.c')
ElfFile('libelf_msize.c')

m4env = Environment(ENV=os.environ)
if env.get('CC'):
    m4env['CC'] = env['CC']
if env.get('CXX'):
    m4env['CXX'] = env['CXX']

# If we have gm4 use it
if subprocess.Popen("gm4 --version", shell=True, stdout=subprocess.PIPE, 
                     stderr=subprocess.STDOUT, close_fds=True).communicate()[0].find('GNU') >= 0:
    m4env['M4'] = 'gm4'

# Check that m4 is available
if not m4env.get('M4'):
   print "Error: Can't find version of M4 macro processor. Please install M4 and try again."
   Exit(1)

m4env.Append(M4FLAGS='-DSRCDIR=%s' % Dir('.').path)
m4env['M4COM'] = '$M4 $M4FLAGS $SOURCES > $TARGET'
m4env.M4(target=File('libelf_convert.c'),
         source=[File('elf_types.m4'), File('libelf_convert.m4')])
m4env.M4(target=File('libelf_fsize.c'),
         source=[File('elf_types.m4'), File('libelf_fsize.m4')])
m4env.M4(target=File('libelf_msize.c'),
         source=[File('elf_types.m4'), File('libelf_msize.m4')])
m4env.Library('elf', elf_files)

env.Append(CPPPATH=Dir('.'))
env.Append(LIBS=['elf'])
env.Append(LIBPATH=[Dir('.')])