1#!/usr/bin/env python 2 3import os 4from distutils.sysconfig import parse_makefile 5import sys 6import logging 7sys.path.insert(0, os.path.abspath(os.path.dirname(__file__))) 8from cmakegen import Mistakes, stripsplit, AUTODIRS, SKIPDIRS 9from collections import defaultdict 10 11PKGS = 'sys vec mat dm ksp snes ts tao'.split() 12LANGS = dict(c='C', cxx='CXX', cu='CU', F='F', F90='F90') 13 14class debuglogger(object): 15 def __init__(self, log): 16 self._log = log 17 18 def write(self, string): 19 self._log.debug(string) 20 21class Petsc(object): 22 def __init__(self, petsc_dir=None, petsc_arch=None, pkg_dir=None, pkg_name=None, verbose=False): 23 if petsc_dir is None: 24 petsc_dir = os.environ.get('PETSC_DIR') 25 if petsc_dir is None: 26 try: 27 petsc_dir = parse_makefile(os.path.join('lib','petsc','conf', 'petscvariables')).get('PETSC_DIR') 28 finally: 29 if petsc_dir is None: 30 raise RuntimeError('Could not determine PETSC_DIR, please set in environment') 31 if petsc_arch is None: 32 petsc_arch = os.environ.get('PETSC_ARCH') 33 if petsc_arch is None: 34 try: 35 petsc_arch = parse_makefile(os.path.join(petsc_dir, 'lib','petsc','conf', 'petscvariables')).get('PETSC_ARCH') 36 finally: 37 if petsc_arch is None: 38 raise RuntimeError('Could not determine PETSC_ARCH, please set in environment') 39 self.petsc_dir = os.path.normpath(petsc_dir) 40 self.petsc_arch = petsc_arch.rstrip(os.sep) 41 self.read_conf() 42 self.pkg_dir = pkg_dir 43 self.pkg_name = pkg_name 44 if self.pkg_dir is None: 45 self.pkg_dir = petsc_dir 46 self.pkg_name = 'petsc' 47 if self.pkg_name is None: 48 self.pkg_name = os.path.basename(os.path.normpath(self.pkg_dir)) 49 try: 50 logging.basicConfig(filename=self.pkg_arch_path('lib',self.pkg_name,'conf', 'gmake.log'), level=logging.DEBUG) 51 except IOError: 52 # Disable logging if path is not writeable (e.g., prefix install) 53 logging.basicConfig(filename='/dev/null', level=logging.DEBUG) 54 self.log = logging.getLogger('gmakegen') 55 self.mistakes = Mistakes(debuglogger(self.log), verbose=verbose) 56 self.gendeps = [] 57 58 def arch_path(self, *args): 59 return os.path.join(self.petsc_dir, self.petsc_arch, *args) 60 61 def pkg_arch_path(self, *args): 62 return os.path.join(self.pkg_dir, self.petsc_arch, *args) 63 64 def read_conf(self): 65 self.conf = dict() 66 for line in open(self.arch_path('include', 'petscconf.h')): 67 if line.startswith('#define '): 68 define = line[len('#define '):] 69 space = define.find(' ') 70 key = define[:space] 71 val = define[space+1:] 72 self.conf[key] = val 73 self.conf.update(parse_makefile(self.arch_path('lib','petsc','conf', 'petscvariables'))) 74 self.have_fortran = int(self.conf.get('PETSC_HAVE_FORTRAN', '0')) 75 76 def inconf(self, key, val): 77 if key in ['package', 'function', 'define']: 78 return self.conf.get(val) 79 elif key == 'precision': 80 return val == self.conf['PETSC_PRECISION'] 81 elif key == 'scalar': 82 return val == self.conf['PETSC_SCALAR'] 83 elif key == 'language': 84 return val == self.conf['PETSC_LANGUAGE'] 85 raise RuntimeError('Unknown conf check: %s %s' % (key, val)) 86 87 def relpath(self, root, src): 88 return os.path.relpath(os.path.join(root, src), self.pkg_dir) 89 90 def get_sources(self, makevars): 91 """Return dict {lang: list_of_source_files}""" 92 source = dict() 93 for lang, sourcelang in LANGS.items(): 94 source[lang] = [f for f in makevars.get('SOURCE'+sourcelang,'').split() if f.endswith(lang)] 95 return source 96 97 def gen_pkg(self, pkg): 98 pkgsrcs = dict() 99 for lang in LANGS: 100 pkgsrcs[lang] = [] 101 for root, dirs, files in os.walk(os.path.join(self.pkg_dir, 'src', pkg)): 102 dirs.sort() 103 files.sort() 104 makefile = os.path.join(root,'makefile') 105 if not os.path.exists(makefile): 106 dirs[:] = [] 107 continue 108 mklines = open(makefile) 109 conditions = set(tuple(stripsplit(line)) for line in mklines if line.startswith('#requires')) 110 mklines.close() 111 if not all(self.inconf(key, val) for key, val in conditions): 112 dirs[:] = [] 113 continue 114 makevars = parse_makefile(makefile) 115 mdirs = makevars.get('DIRS','').split() # Directories specified in the makefile 116 self.mistakes.compareDirLists(root, mdirs, dirs) # diagnostic output to find unused directories 117 candidates = set(mdirs).union(AUTODIRS).difference(SKIPDIRS) 118 dirs[:] = list(candidates.intersection(dirs)) 119 allsource = [] 120 def mkrel(src): 121 return self.relpath(root, src) 122 source = self.get_sources(makevars) 123 for lang, s in source.items(): 124 pkgsrcs[lang] += [mkrel(t) for t in s] 125 allsource += s 126 self.mistakes.compareSourceLists(root, allsource, files) # Diagnostic output about unused source files 127 self.gendeps.append(self.relpath(root, 'makefile')) 128 return pkgsrcs 129 130 def gen_gnumake(self, fd): 131 def write(stem, srcs): 132 for lang in LANGS: 133 fd.write('%(stem)s.%(lang)s := %(srcs)s\n' % dict(stem=stem, lang=lang, srcs=' '.join(srcs[lang]))) 134 for pkg in PKGS: 135 srcs = self.gen_pkg(pkg) 136 write('srcs-' + pkg, srcs) 137 return self.gendeps 138 139 def gen_ninja(self, fd): 140 libobjs = [] 141 for pkg in PKGS: 142 srcs = self.gen_pkg(pkg) 143 for lang in LANGS: 144 for src in srcs[lang]: 145 obj = '$objdir/%s.o' % src 146 fd.write('build %(obj)s : %(lang)s_COMPILE %(src)s\n' % dict(obj=obj, lang=lang.upper(), src=os.path.join(self.pkg_dir,src))) 147 libobjs.append(obj) 148 fd.write('\n') 149 fd.write('build $libdir/libpetsc.so : %s_LINK_SHARED %s\n\n' % ('CF'[self.have_fortran], ' '.join(libobjs))) 150 fd.write('build petsc : phony || $libdir/libpetsc.so\n\n') 151 152 def summary(self): 153 self.mistakes.summary() 154 155def WriteGnuMake(petsc): 156 arch_files = petsc.pkg_arch_path('lib',petsc.pkg_name,'conf', 'files') 157 fd = open(arch_files, 'w') 158 gendeps = petsc.gen_gnumake(fd) 159 fd.write('\n') 160 fd.write('# Dependency to regenerate this file\n') 161 fd.write('%s : %s %s\n' % (os.path.relpath(arch_files, petsc.pkg_dir), 162 os.path.relpath(__file__, os.path.realpath(petsc.pkg_dir)), 163 ' '.join(gendeps))) 164 fd.write('\n') 165 fd.write('# Dummy dependencies in case makefiles are removed\n') 166 fd.write(''.join([dep + ':\n' for dep in gendeps])) 167 fd.close() 168 169def WriteNinja(petsc): 170 conf = dict() 171 parse_makefile(os.path.join(petsc.petsc_dir, 'lib', 'petsc','conf', 'variables'), conf) 172 parse_makefile(petsc.arch_path('lib','petsc','conf', 'petscvariables'), conf) 173 build_ninja = petsc.arch_path('build.ninja') 174 fd = open(build_ninja, 'w') 175 fd.write('objdir = obj-ninja\n') 176 fd.write('libdir = lib\n') 177 fd.write('c_compile = %(PCC)s\n' % conf) 178 fd.write('c_flags = %(PETSC_CC_INCLUDES)s %(PCC_FLAGS)s %(CCPPFLAGS)s\n' % conf) 179 fd.write('c_link = %(PCC_LINKER)s\n' % conf) 180 fd.write('c_link_flags = %(PCC_LINKER_FLAGS)s\n' % conf) 181 if petsc.have_fortran: 182 fd.write('f_compile = %(FC)s\n' % conf) 183 fd.write('f_flags = %(PETSC_FC_INCLUDES)s %(FC_FLAGS)s %(FCPPFLAGS)s\n' % conf) 184 fd.write('f_link = %(FC_LINKER)s\n' % conf) 185 fd.write('f_link_flags = %(FC_LINKER_FLAGS)s\n' % conf) 186 fd.write('petsc_external_lib = %(PETSC_EXTERNAL_LIB_BASIC)s\n' % conf) 187 fd.write('python = %(PYTHON)s\n' % conf) 188 fd.write('\n') 189 fd.write('rule C_COMPILE\n' 190 ' command = $c_compile -MMD -MF $out.d $c_flags -c $in -o $out\n' 191 ' description = CC $out\n' 192 ' depfile = $out.d\n' 193 # ' deps = gcc\n') # 'gcc' is default, 'msvc' only recognized by newer versions of ninja 194 '\n') 195 fd.write('rule C_LINK_SHARED\n' 196 ' command = $c_link $c_link_flags -shared -o $out $in $petsc_external_lib\n' 197 ' description = CLINK_SHARED $out\n' 198 '\n') 199 if petsc.have_fortran: 200 fd.write('rule F_COMPILE\n' 201 ' command = $f_compile -MMD -MF $out.d $f_flags -c $in -o $out\n' 202 ' description = FC $out\n' 203 ' depfile = $out.d\n' 204 '\n') 205 fd.write('rule F_LINK_SHARED\n' 206 ' command = $f_link $f_link_flags -shared -o $out $in $petsc_external_lib\n' 207 ' description = FLINK_SHARED $out\n' 208 '\n') 209 fd.write('rule GEN_NINJA\n' 210 ' command = $python $in --output=ninja\n' 211 ' generator = 1\n' 212 '\n') 213 petsc.gen_ninja(fd) 214 fd.write('\n') 215 fd.write('build %s : GEN_NINJA | %s %s %s %s\n' % (build_ninja, 216 os.path.abspath(__file__), 217 os.path.join(petsc.petsc_dir, 'lib','petsc','conf', 'variables'), 218 petsc.arch_path('lib','petsc','conf', 'petscvariables'), 219 ' '.join(os.path.join(petsc.pkg_dir, dep) for dep in petsc.gendeps))) 220 221def main(petsc_dir=None, petsc_arch=None, pkg_dir=None, pkg_name=None, output=None, verbose=False): 222 if output is None: 223 output = 'gnumake' 224 writer = dict(gnumake=WriteGnuMake, ninja=WriteNinja) 225 petsc = Petsc(petsc_dir=petsc_dir, petsc_arch=petsc_arch, pkg_dir=pkg_dir, pkg_name=pkg_name, verbose=verbose) 226 writer[output](petsc) 227 petsc.summary() 228 229if __name__ == '__main__': 230 import optparse 231 parser = optparse.OptionParser() 232 parser.add_option('--verbose', help='Show mismatches between makefiles and the filesystem', action='store_true', default=False) 233 parser.add_option('--petsc-arch', help='Set PETSC_ARCH different from environment', default=os.environ.get('PETSC_ARCH')) 234 parser.add_option('--pkg-dir', help='Set the directory of the package (different from PETSc) you want to generate the makefile rules for', default=None) 235 parser.add_option('--pkg-name', help='Set the name of the package you want to generate the makefile rules for', default=None) 236 parser.add_option('--output', help='Location to write output file', default=None) 237 opts, extra_args = parser.parse_args() 238 if extra_args: 239 import sys 240 sys.stderr.write('Unknown arguments: %s\n' % ' '.join(extra_args)) 241 exit(1) 242 main(petsc_arch=opts.petsc_arch, pkg_dir=opts.pkg_dir, pkg_name=opts.pkg_name, output=opts.output, verbose=opts.verbose) 243