ext: Revert "base: Use system libelf instead of ext"
This reverts commit bbb32ca1ef,
which tells scons to use the system's libelf instead of
ext/libelf.
Signed-off-by: Hoa Nguyen <hoanguyen@ucdavis.edu>
Change-Id: I3bb3e62f2ef0fbc72983c221d5570edb4b35d157
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/33940
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
Tested-by: kokoro <noreply+kokoro@google.com>
This commit is contained in:
Hoa Nguyen
139
ext/libelf/SConscript
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139
ext/libelf/SConscript
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@@ -0,0 +1,139 @@
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# -*- mode:python -*-
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# Copyright (c) 2004-2005 The Regents of The University of Michigan
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met: redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer;
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# redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution;
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# neither the name of the copyright holders nor the names of its
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# contributors may be used to endorse or promote products derived from
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# this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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# Authors: Nathan Binkert
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from __future__ import print_function
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import os, subprocess
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Import('main')
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from m5.util import compareVersions
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elf_files = []
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def ElfFile(filename):
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elf_files.append(File(filename))
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ElfFile('elf_begin.c')
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ElfFile('elf_cntl.c')
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ElfFile('elf_data.c')
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ElfFile('elf_end.c')
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ElfFile('elf_errmsg.c')
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ElfFile('elf_errno.c')
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ElfFile('elf_fill.c')
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ElfFile('elf_flag.c')
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ElfFile('elf_getarhdr.c')
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ElfFile('elf_getarsym.c')
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ElfFile('elf_getbase.c')
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ElfFile('elf_getident.c')
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ElfFile('elf_hash.c')
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ElfFile('elf_kind.c')
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ElfFile('elf_memory.c')
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ElfFile('elf_next.c')
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ElfFile('elf_phnum.c')
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ElfFile('elf_rand.c')
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ElfFile('elf_rawfile.c')
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ElfFile('elf_scn.c')
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ElfFile('elf_shnum.c')
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ElfFile('elf_shstrndx.c')
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ElfFile('elf_strptr.c')
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ElfFile('elf_update.c')
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ElfFile('elf_version.c')
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ElfFile('gelf_checksum.c')
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ElfFile('gelf_dyn.c')
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ElfFile('gelf_ehdr.c')
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ElfFile('gelf_fsize.c')
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ElfFile('gelf_getclass.c')
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ElfFile('gelf_phdr.c')
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ElfFile('gelf_rel.c')
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ElfFile('gelf_rela.c')
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ElfFile('gelf_shdr.c')
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ElfFile('gelf_sym.c')
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ElfFile('gelf_symshndx.c')
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ElfFile('gelf_xlate.c')
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ElfFile('libelf.c')
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ElfFile('libelf_align.c')
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ElfFile('libelf_allocate.c')
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ElfFile('libelf_ar.c')
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ElfFile('libelf_checksum.c')
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ElfFile('libelf_data.c')
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ElfFile('libelf_ehdr.c')
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ElfFile('libelf_extended.c')
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ElfFile('libelf_phdr.c')
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ElfFile('libelf_shdr.c')
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ElfFile('libelf_xlate.c')
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ElfFile('libelf_convert.c')
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ElfFile('libelf_fsize.c')
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ElfFile('libelf_msize.c')
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m4env = main.Clone()
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if m4env['GCC']:
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m4env.Append(CCFLAGS=['-Wno-pointer-sign',
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'-Wno-unused-but-set-variable',
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'-Wno-implicit-function-declaration',
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'-Wno-override-init'])
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if m4env['CLANG']:
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m4env.Append(CCFLAGS=['-Wno-initializer-overrides', '-Wno-pointer-sign'])
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# clang defaults to c99 (while gcc defaults to gnu89) and there is a
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# difference in the handling of inlining functions which causes
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# linking problems with multiple definitions of the symbols in
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# sysmacros.h for older versions of glibc
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m4env.Append(CCFLAGS=['-std=gnu89'])
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m4env.Append(CCFLAGS=['-Wno-implicit'])
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del m4env['CPPPATH']
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# If we have gm4 use it
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if m4env.Detect('gm4'):
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m4env['M4'] = 'gm4'
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# Check that m4 is available
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import SCons.Tool.m4
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if not SCons.Tool.m4.exists(m4env):
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print("Error: Can't find version of M4 macro processor. " +
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"Please install M4 and try again.")
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Exit(1)
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m4env.Append(M4FLAGS=['-DSRCDIR=%s' % Dir('.').path])
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m4env['M4COM'] = '$M4 $M4FLAGS $SOURCES > $TARGET'
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m4env.M4(target=File('libelf_convert.c'),
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source=[File('elf_types.m4'), File('libelf_convert.m4')])
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m4env.M4(target=File('libelf_fsize.c'),
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source=[File('elf_types.m4'), File('libelf_fsize.m4')])
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m4env.M4(target=File('libelf_msize.c'),
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source=[File('elf_types.m4'), File('libelf_msize.m4')])
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# Build libelf as a static library with PIC code so it can be linked
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# into either m5 or the library
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m4env.Library('elf', [m4env.SharedObject(f) for f in elf_files])
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main.Prepend(CPPPATH=Dir('.'))
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main.Append(LIBS=['elf'])
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main.Prepend(LIBPATH=[Dir('.')])
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