#
# RTEMS Toolkit build script.
#
import sys

version_major = 1
version_minor = 0
version_revision = 0

#
# Waf system setup. Allow more than one build in the same tree.
#
top = '.'
out = 'build-' + sys.platform

def options(opt):
    opt.load("g++")
    opt.load("gcc")

def configure(conf):
    conf.load("g++")
    conf.load("gcc")
    conf_libiberty(conf)
    conf_libelf(conf)

    conf.check(header_name='sys/wait.h',  features = 'c', mandatory = False)
    conf.check_cc(function_name='kill', header_name="signal.h",
                  features = 'c', mandatory = False)
    conf.write_config_header('config.h')

def build(bld):
    #
    # The local configuration.
    #
    conf = {}

    #
    # The include paths.
    #
    conf['includes'] = ['elftoolchain/libelf', 'elftoolchain/common', 'libiberty']
    if sys.platform == 'win32':
        conf['includes'] += ['win32']

    #
    # Build flags.
    #
    conf['warningflags'] = ['-Wall', '-Wextra', '-pedantic']
    conf['optflags'] = bld.env.C_OPTS
    conf['cflags'] = ['-pipe', '-g'] + conf['optflags']
    conf['cxxflags'] = ['-pipe', '-g'] + conf['optflags']
    conf['linkflags'] = ['-g']

    #
    # Create each of the modules as object files each with their own
    # configurations.
    #
    bld_fastlz(bld, conf)
    bld_libelf(bld, conf)
    bld_libiberty(bld, conf)

    #
    # RLD source.
    #
    rld_source = ['ConvertUTF.c',
                  'pkgconfig.cpp',
                  'rld-config.cpp',
                  'rld-elf.cpp',
                  'rld-files.cpp',
                  'rld-cc.cpp',
                  'rld-compression.cpp',
                  'rld-outputter.cpp',
                  'rld-path.cpp',
                  'rld-process.cpp',
                  'rld-resolver.cpp',
                  'rld-rtems.cpp',
                  'rld-symbols.cpp',
                  'rld-rap.cpp',
                  'rld.cpp']

    #
    # RTEMS Utilities.
    #
    rtems_utils = ['rtems-utils.cpp']

    #
    # RTL static library
    #
    bld.stlib(target = 'rld',
              install_path = None,
              source = rld_source + rtems_utils,
              defines = ['HAVE_CONFIG_H=1', 'RTEMS_VERSION=' + bld.env.RTEMS_VERSION],
              includes = ['.'] + conf['includes'],
              cflags = conf['cflags'] + conf['warningflags'],
              cxxflags = conf['cxxflags'] + conf['warningflags'],
              linkflags = conf['linkflags'])

def rebuild(ctx):
    import waflib.Options
    waflib.Options.commands.extend(['clean', 'build'])

def tags(ctx):
    ctx.exec_command('etags $(find . -name \*.[sSch])', shell = True)

#
# Libelf module.
#
def conf_libelf(conf):
    pass

def bld_fastlz(bld, conf):
    bld(target = 'fastlz',
        features = 'c',
        source = 'fastlz.c',
        cflags = conf['cflags'],
        defines = ['FASTLZ_LEVEL=1'])

def bld_libelf(bld, conf):
    libelf = 'elftoolchain/libelf/'

    #
    # Work around the ${SRC} having Windows slashes which the MSYS m4 does not
    # understand.
    #
    if sys.platform == 'win32':
        m4_rule = 'type ${SRC} | m4 -D SRCDIR=../rtemstoolkit/' + libelf[:-1] + '> ${TGT}"'
        includes = ['win32']
    else:
        m4_rule = 'm4 -D SRCDIR=../rtemstoolkit/' + libelf[:-1] + ' ${SRC} > ${TGT}'
        includes = []

    bld(target = 'libelf_convert.c', source = libelf + 'libelf_convert.m4', rule = m4_rule)
    bld(target = 'libelf_fsize.c',   source = libelf + 'libelf_fsize.m4',   rule = m4_rule)
    bld(target = 'libelf_msize.c',   source = libelf + 'libelf_msize.m4',   rule = m4_rule)

    host_source = []

    if sys.platform == 'linux2':
        common = 'elftoolchain/common/'
        bld(target = common + 'native-elf-format.h',
            source = common + 'native-elf-format',
            name = 'native-elf-format',
            rule   = './${SRC} > ${TGT}')
        bld.add_group ()
    elif sys.platform == 'win32':
        host_source += [libelf + 'mmap_win32.c']

    bld.stlib(target = 'elf',
              features = 'c',
              install_path = None,
              uses = ['native-elf-format'],
              includes = [bld.bldnode.abspath(), 'elftoolchain/libelf', 'elftoolchain/common'] + includes,
              cflags = conf['cflags'],
              source =[libelf + 'elf.c',
                       libelf + 'elf_begin.c',
                       libelf + 'elf_cntl.c',
                       libelf + 'elf_end.c',
                       libelf + 'elf_errmsg.c',
                       libelf + 'elf_errno.c',
                       libelf + 'elf_data.c',
                       libelf + 'elf_fill.c',
                       libelf + 'elf_flag.c',
                       libelf + 'elf_getarhdr.c',
                       libelf + 'elf_getarsym.c',
                       libelf + 'elf_getbase.c',
                       libelf + 'elf_getident.c',
                       libelf + 'elf_hash.c',
                       libelf + 'elf_kind.c',
                       libelf + 'elf_memory.c',
                       libelf + 'elf_next.c',
                       libelf + 'elf_rand.c',
                       libelf + 'elf_rawfile.c',
                       libelf + 'elf_phnum.c',
                       libelf + 'elf_shnum.c',
                       libelf + 'elf_shstrndx.c',
                       libelf + 'elf_scn.c',
                       libelf + 'elf_strptr.c',
                       libelf + 'elf_update.c',
                       libelf + 'elf_version.c',
                       libelf + 'gelf_cap.c',
                       libelf + 'gelf_checksum.c',
                       libelf + 'gelf_dyn.c',
                       libelf + 'gelf_ehdr.c',
                       libelf + 'gelf_getclass.c',
                       libelf + 'gelf_fsize.c',
                       libelf + 'gelf_move.c',
                       libelf + 'gelf_phdr.c',
                       libelf + 'gelf_rel.c',
                       libelf + 'gelf_rela.c',
                       libelf + 'gelf_shdr.c',
                       libelf + 'gelf_sym.c',
                       libelf + 'gelf_syminfo.c',
                       libelf + 'gelf_symshndx.c',
                       libelf + 'gelf_xlate.c',
                       libelf + 'libelf_align.c',
                       libelf + 'libelf_allocate.c',
                       libelf + 'libelf_ar.c',
                       libelf + 'libelf_ar_util.c',
                       libelf + 'libelf_checksum.c',
                       libelf + 'libelf_data.c',
                       libelf + 'libelf_ehdr.c',
                       libelf + 'libelf_extended.c',
                       libelf + 'libelf_phdr.c',
                       libelf + 'libelf_shdr.c',
                       libelf + 'libelf_xlate.c',
                       'libelf_convert.c',
                       'libelf_fsize.c',
                       'libelf_msize.c'] + host_source)

#
# Libiberty module.
#
def conf_libiberty(conf):
    conf.check(header_name='alloca.h',    features = 'c', mandatory = False)
    conf.check(header_name='fcntl.h',     features = 'c', mandatory = False)
    conf.check(header_name='process.h',   features = 'c', mandatory = False)
    conf.check(header_name='stdlib.h',    features = 'c')
    conf.check(header_name='string.h',    features = 'c')
    conf.check(header_name='strings.h',   features = 'c', mandatory = False)
    conf.check(header_name='sys/file.h',  features = 'c', mandatory = False)
    conf.check(header_name='sys/stat.h',  features = 'c', mandatory = False)
    conf.check(header_name='sys/time.h',  features = 'c', mandatory = False)
    conf.check(header_name='sys/types.h', features = 'c', mandatory = False)
    conf.check(header_name='sys/wait.h',  features = 'c', mandatory = False)
    conf.check(header_name='unistd.h',    features = 'c', mandatory = False)
    conf.check(header_name='vfork.h',     features = 'c', mandatory = False)

    conf.check_cc(function_name='getrusage',
                  header_name="sys/time.h sys/resource.h",
                  features = 'c', mandatory = False)

    conf.write_config_header('libiberty/config.h')

def bld_libiberty(bld, conf):
    if sys.platform == 'win32':
        pex_host = 'libiberty/pex-win32.c'
    else:
        pex_host = 'libiberty/pex-unix.c'
    bld.stlib(target = 'iberty',
              features = 'c',
              install_path = None,
              includes = ['libiberty'],
              cflags = conf['cflags'],
              defines = ['HAVE_CONFIG_H=1'],
              source =['libiberty/concat.c',
                       'libiberty/cplus-dem.c',
                       'libiberty/cp-demangle.c',
                       'libiberty/make-temp-file.c',
                       'libiberty/mkstemps.c',
                       'libiberty/safe-ctype.c',
                       'libiberty/stpcpy.c',
                       'libiberty/pex-common.c',
                       'libiberty/pex-one.c',
                       pex_host])

#
# The doxy command.
#
from waflib import Build
class doxy(Build.BuildContext):
    fun = 'build'
    cmd = 'doxy'