mapnik/scons/scons-local-4.1.0/SCons/Tool/PharLapCommon.py
2021-03-05 10:18:26 +00:00

116 lines
4.3 KiB
Python
Vendored

"""SCons.Tool.PharLapCommon
This module contains common code used by all Tools for the
Phar Lap ETS tool chain. Right now, this is linkloc and
386asm.
"""
#
# __COPYRIGHT__
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#
__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
import os
import os.path
import SCons.Errors
import SCons.Util
import re
def getPharLapPath():
"""Reads the registry to find the installed path of the Phar Lap ETS
development kit.
Raises UserError if no installed version of Phar Lap can
be found."""
if not SCons.Util.can_read_reg:
raise SCons.Errors.InternalError("No Windows registry module was found")
try:
k=SCons.Util.RegOpenKeyEx(SCons.Util.HKEY_LOCAL_MACHINE,
'SOFTWARE\\Pharlap\\ETS')
val, type = SCons.Util.RegQueryValueEx(k, 'BaseDir')
# The following is a hack...there is (not surprisingly)
# an odd issue in the Phar Lap plug in that inserts
# a bunch of junk data after the phar lap path in the
# registry. We must trim it.
idx=val.find('\0')
if idx >= 0:
val = val[:idx]
return os.path.normpath(val)
except SCons.Util.RegError:
raise SCons.Errors.UserError("Cannot find Phar Lap ETS path in the registry. Is it installed properly?")
REGEX_ETS_VER = re.compile(r'#define\s+ETS_VER\s+([0-9]+)')
def getPharLapVersion():
"""Returns the version of the installed ETS Tool Suite as a
decimal number. This version comes from the ETS_VER #define in
the embkern.h header. For example, '#define ETS_VER 1010' (which
is what Phar Lap 10.1 defines) would cause this method to return
1010. Phar Lap 9.1 does not have such a #define, but this method
will return 910 as a default.
Raises UserError if no installed version of Phar Lap can
be found."""
include_path = os.path.join(getPharLapPath(), os.path.normpath("include/embkern.h"))
if not os.path.exists(include_path):
raise SCons.Errors.UserError("Cannot find embkern.h in ETS include directory.\nIs Phar Lap ETS installed properly?")
with open(include_path, 'r') as f:
mo = REGEX_ETS_VER.search(f.read())
if mo:
return int(mo.group(1))
# Default return for Phar Lap 9.1
return 910
def addPharLapPaths(env):
"""This function adds the path to the Phar Lap binaries, includes,
and libraries, if they are not already there."""
ph_path = getPharLapPath()
try:
env_dict = env['ENV']
except KeyError:
env_dict = {}
env['ENV'] = env_dict
SCons.Util.AddPathIfNotExists(env_dict, 'PATH',
os.path.join(ph_path, 'bin'))
SCons.Util.AddPathIfNotExists(env_dict, 'INCLUDE',
os.path.join(ph_path, 'include'))
SCons.Util.AddPathIfNotExists(env_dict, 'LIB',
os.path.join(ph_path, 'lib'))
SCons.Util.AddPathIfNotExists(env_dict, 'LIB',
os.path.join(ph_path, os.path.normpath('lib/vclib')))
env['PHARLAP_PATH'] = getPharLapPath()
env['PHARLAP_VERSION'] = str(getPharLapVersion())
# Local Variables:
# tab-width:4
# indent-tabs-mode:nil
# End:
# vim: set expandtab tabstop=4 shiftwidth=4: