| 1 | import os, sys, platform | 
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| 2 | import subprocess | 
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| 3 | import shutil | 
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| 4 | from distutils.command import build_ext | 
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| 5 |  | 
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| 6 | class scons_ext(build_ext.build_ext): | 
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| 7 | """Build extensions using scons instead of distutils. | 
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| 8 | """ | 
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| 9 | _scons_options = [] | 
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| 10 | user_options = \ | 
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| 11 | [('casacoreroot=', None, | 
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| 12 | 'Prefix for casacore installation location'), | 
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| 13 | ('casacorestatic=', None, | 
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| 14 | 'use static casacore libraries'), | 
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| 15 | ('boostroot=', None, | 
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| 16 | 'Prefix for boost_python installation location'), | 
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| 17 | ('boostlib=', None, 'Name of the boost_python library'), | 
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| 18 | ('cfitsioroot=', None, | 
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| 19 | 'Prefix for cfitsio installation location'), | 
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| 20 | ('cfitsiolib=', None, 'Name of the cfitsio library'), | 
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| 21 | ('wcsroot=', None, 'Prefix for wcslib installation location'), | 
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| 22 | ('wcslib=', None, 'Name of the wcs library'), | 
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| 23 | ('rpfitsroot=', None, 'Prefix for rpfits installation location'), | 
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| 24 | ('rpfitslib=', None, 'Name of the rpfits library'), | 
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| 25 | ('blaslib=', None, 'Name of the blas library'), | 
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| 26 | ('lapacklib=', None, 'Name of the lapack library'), | 
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| 27 | ('f2clib=', None, 'Name of the fortran-to-c library'), | 
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| 28 | ('jobs=','j', 'Number of processes'), | 
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| 29 | ('extraroot=', None, | 
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| 30 | 'Extra root directory where muiltple packages could be found,' | 
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| 31 | ' e.g. $HOME, to add $HOME/lib etc to the build.'), | 
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| 32 | ] | 
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| 33 |  | 
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| 34 |  | 
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| 35 | def initialize_options(self): | 
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| 36 | """ | 
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| 37 | Overload to enable custom settings to be picked up | 
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| 38 | """ | 
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| 39 | build_ext.build_ext.initialize_options(self) | 
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| 40 | self._scons_options = [] | 
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| 41 | # attribute corresponding to directory prefix | 
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| 42 | # command line option | 
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| 43 | self.jobs = None | 
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| 44 | self.extraroot = None | 
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| 45 | self.casacoreroot = None | 
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| 46 | self.casacorestatic = None | 
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| 47 | self.boostroot = None | 
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| 48 | self.boostlib = None | 
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| 49 | self.cfitsioroot = None | 
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| 50 | self.cfitsiolib = None | 
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| 51 | self.wcsroot = None | 
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| 52 | self.wcslib = None | 
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| 53 | self.rpfitsroot = None | 
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| 54 | self.rpfitslib = None | 
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| 55 | self.blaslib = None | 
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| 56 | self.lapacklib = None | 
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| 57 | self.f2clib = None | 
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| 58 |  | 
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| 59 | def finalize_options(self): | 
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| 60 | build_ext.build_ext.finalize_options(self) | 
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| 61 | for opt in self.user_options: | 
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| 62 | atr = opt[0].strip("=") | 
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| 63 | v = getattr(self, atr) | 
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| 64 | if v is not None: | 
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| 65 | if opt[1] is None: | 
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| 66 | self._scons_options.append("=".join([atr, v])) | 
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| 67 | else: | 
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| 68 | self._scons_options.append(" ".join(["-"+opt[1], v])) | 
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| 69 |  | 
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| 70 | def build_extensions(self): | 
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| 71 | ext = self.extensions[0] | 
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| 72 | try: | 
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| 73 | ext_path = self.get_ext_fullpath(ext.name) | 
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| 74 | extdir = os.path.dirname(ext_path) | 
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| 75 | except AttributeError: | 
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| 76 | # hack for pyhton 2.5 | 
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| 77 | extdir = os.path.join(self.build_lib, ext.name.split(".")[0]) | 
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| 78 | if not os.path.exists(extdir): | 
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| 79 | os.makedirs(extdir) | 
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| 80 | cmd = ['scons'] + self._scons_options | 
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| 81 | subprocess.call(cmd) | 
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| 82 | # copy extension into distutils build directory | 
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| 83 | if os.path.exists("build/_asap.so"): | 
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| 84 | shutil.copy("build/_asap.so", extdir) | 
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