autowaf.py

   1 #!/usr/bin/env python
   2 # Waf utilities for easily building standard unixey packages/libraries
   3 # Licensed under the GNU GPL v2 or later, see COPYING file for details.
   4 # Copyright (C) 2008 Dave Robillard
   5 # Copyright (C) 2008 Nedko Arnaudov
   6
   7 import os
   8 import misc
   9 import Configure
  10 import Options
  11 import Utils
  12 import sys
  13 from TaskGen import feature, before, after
  14
  15 global g_is_child
  16 g_is_child = False
  17
  18 # Only run autowaf hooks once (even if sub projects call several times)
  19 global g_step
  20 g_step = 0
  21
  22 # Compute dependencies globally
  23 #import preproc
  24 #preproc.go_absolute = True
  25
  26 @feature('cc', 'cxx')
  27 @after('apply_lib_vars')
  28 @before('apply_obj_vars_cc', 'apply_obj_vars_cxx')
  29 def include_config_h(self):
  30         self.env.append_value('INC_PATHS', self.bld.srcnode)
  31
  32 def set_options(opt):
  33         "Add standard autowaf options if they havn't been added yet"
  34         global g_step
  35         if g_step > 0:
  36                 return
  37         opt.tool_options('compiler_cc')
  38         opt.tool_options('compiler_cxx')
  39         opt.add_option('--debug', action='store_true', default=False, dest='debug',
  40                         help="Build debuggable binaries [Default: False]")
  41         opt.add_option('--strict', action='store_true', default=False, dest='strict',
  42                         help="Use strict compiler flags and show all warnings [Default: False]")
  43         opt.add_option('--build-docs', action='store_true', default=False, dest='build_docs',
  44                         help="Build documentation - requires doxygen [Default: False]")
  45         opt.add_option('--bundle', action='store_true', default=False,
  46                         help="Build a self-contained bundle [Default: False]")
  47         opt.add_option('--bindir', type='string',
  48                         help="Executable programs [Default: PREFIX/bin]")
  49         opt.add_option('--libdir', type='string',
  50                         help="Libraries [Default: PREFIX/lib]")
  51         opt.add_option('--includedir', type='string',
  52                         help="Header files [Default: PREFIX/include]")
  53         opt.add_option('--datadir', type='string',
  54                         help="Shared data [Default: PREFIX/share]")
  55         opt.add_option('--configdir', type='string',
  56                         help="Configuration data [Default: PREFIX/etc]")
  57         opt.add_option('--mandir', type='string',
  58                         help="Manual pages [Default: DATADIR/man]")
  59         opt.add_option('--htmldir', type='string',
  60                         help="HTML documentation [Default: DATADIR/doc/PACKAGE]")
  61         opt.add_option('--lv2-user', action='store_true', default=False, dest='lv2_user',
  62                         help="Install LV2 bundles to user-local location [Default: False]")
  63         if sys.platform == "darwin":
  64                 opt.add_option('--lv2dir', type='string',
  65                                 help="LV2 bundles [Default: /Library/Audio/Plug-Ins/LV2]")
  66         else:
  67                 opt.add_option('--lv2dir', type='string',
  68                                 help="LV2 bundles [Default: LIBDIR/lv2]")
  69         g_step = 1
  70
  71 def check_header(conf, name, define='', mandatory=False):
  72         "Check for a header iff it hasn't been checked for yet"
  73         if type(conf.env['AUTOWAF_HEADERS']) != dict:
  74                 conf.env['AUTOWAF_HEADERS'] = {}
  75
  76         checked = conf.env['AUTOWAF_HEADERS']
  77         if not name in checked:
  78                 checked[name] = True
  79                 if define != '':
  80                         conf.check(header_name=name, define_name=define, mandatory=mandatory)
  81                 else:
  82                         conf.check(header_name=name, mandatory=mandatory)
  83
  84 def nameify(name):
  85         return name.replace('/', '_').replace('++', 'PP').replace('-', '_').replace('.', '_')
  86
  87 def check_pkg(conf, name, **args):
  88         if not 'mandatory' in args:
  89                 args['mandatory'] = True
  90         "Check for a package iff it hasn't been checked for yet"
  91         var_name = 'HAVE_' + nameify(args['uselib_store'])
  92         check = not var_name in conf.env
  93         if not check and 'atleast_version' in args:
  94                 # Re-check if version is newer than previous check
  95                 checked_version = conf.env['VERSION_' + name]
  96                 if checked_version and checked_version < args['atleast_version']:
  97                         check = True;
  98         if check:
  99                 conf.check_cfg(package=name, args="--cflags --libs", **args)
 100                 found = bool(conf.env[var_name])
 101                 if found:
 102                         conf.define(var_name, int(found))
 103                         if 'atleast_version' in args:
 104                                 conf.env['VERSION_' + name] = args['atleast_version']
 105                 else:
 106                         conf.undefine(var_name)
 107                         if args['mandatory'] == True:
 108                                 conf.fatal("Required package " + name + " not found")
 109
 110 def chop_prefix(conf, var):
 111         name = conf.env[var][len(conf.env['PREFIX']):]
 112         if len(name) > 0 and name[0] == '/':
 113                 name = name[1:]
 114         if name == "":
 115                 name = "/"
 116         return name;
 117
 118 def configure(conf):
 119         global g_step
 120         if g_step > 1:
 121                 return
 122         def append_cxx_flags(vals):
 123                 conf.env.append_value('CCFLAGS', vals.split())
 124                 conf.env.append_value('CXXFLAGS', vals.split())
 125         conf.line_just = 43
 126         conf.check_tool('misc')
 127         conf.check_tool('compiler_cc')
 128         conf.check_tool('compiler_cxx')
 129         conf.env['BUILD_DOCS'] = Options.options.build_docs
 130         conf.env['DEBUG'] = Options.options.debug
 131         conf.env['STRICT'] = Options.options.strict
 132         conf.env['PREFIX'] = os.path.abspath(os.path.expanduser(os.path.normpath(conf.env['PREFIX'])))
 133         if Options.options.bundle:
 134                 conf.env['BUNDLE'] = True
 135                 conf.define('BUNDLE', 1)
 136                 conf.env['BINDIR'] = conf.env['PREFIX']
 137                 conf.env['INCLUDEDIR'] = os.path.join(conf.env['PREFIX'], 'Headers')
 138                 conf.env['LIBDIR'] = os.path.join(conf.env['PREFIX'], 'Libraries')
 139                 conf.env['DATADIR'] = os.path.join(conf.env['PREFIX'], 'Resources')
 140                 conf.env['HTMLDIR'] = os.path.join(conf.env['PREFIX'], 'Resources/Documentation')
 141                 conf.env['MANDIR'] = os.path.join(conf.env['PREFIX'], 'Resources/Man')
 142                 conf.env['LV2DIR'] = os.path.join(conf.env['PREFIX'], 'PlugIns')
 143         else:
 144                 conf.env['BUNDLE'] = False
 145                 if Options.options.bindir:
 146                         conf.env['BINDIR'] = Options.options.bindir
 147                 else:
 148                         conf.env['BINDIR'] = os.path.join(conf.env['PREFIX'], 'bin')
 149                 if Options.options.includedir:
 150                         conf.env['INCLUDEDIR'] = Options.options.includedir
 151                 else:
 152                         conf.env['INCLUDEDIR'] = os.path.join(conf.env['PREFIX'], 'include')
 153                 if Options.options.libdir:
 154                         conf.env['LIBDIR'] = Options.options.libdir
 155                 else:
 156                         conf.env['LIBDIR'] = os.path.join(conf.env['PREFIX'], 'lib')
 157                 if Options.options.datadir:
 158                         conf.env['DATADIR'] = Options.options.datadir
 159                 else:
 160                         conf.env['DATADIR'] = os.path.join(conf.env['PREFIX'], 'share')
 161                 if Options.options.configdir:
 162                         conf.env['CONFIGDIR'] = Options.options.configdir
 163                 else:
 164                         conf.env['CONFIGDIR'] = os.path.join(conf.env['PREFIX'], 'etc')
 165                 if Options.options.htmldir:
 166                         conf.env['HTMLDIR'] = Options.options.htmldir
 167                 else:
 168                         conf.env['HTMLDIR'] = os.path.join(conf.env['DATADIR'], 'doc', Utils.g_module.APPNAME)
 169                 if Options.options.mandir:
 170                         conf.env['MANDIR'] = Options.options.mandir
 171                 else:
 172                         conf.env['MANDIR'] = os.path.join(conf.env['DATADIR'], 'man')
 173                 if Options.options.lv2dir:
 174                         conf.env['LV2DIR'] = Options.options.lv2dir
 175                 else:
 176                         if Options.options.lv2_user:
 177                                 if sys.platform == "darwin":
 178                                         conf.env['LV2DIR'] = os.path.join(os.getenv('HOME'), 'Library/Audio/Plug-Ins/LV2')
 179                                 else:
 180                                         conf.env['LV2DIR'] = os.path.join(os.getenv('HOME'), '.lv2')
 181                         else:
 182                                 if sys.platform == "darwin":
 183                                         conf.env['LV2DIR'] = '/Library/Audio/Plug-Ins/LV2'
 184                                 else:
 185                                         conf.env['LV2DIR'] = os.path.join(conf.env['LIBDIR'], 'lv2')
 186
 187         conf.env['BINDIRNAME'] = chop_prefix(conf, 'BINDIR')
 188         conf.env['LIBDIRNAME'] = chop_prefix(conf, 'LIBDIR')
 189         conf.env['DATADIRNAME'] = chop_prefix(conf, 'DATADIR')
 190         conf.env['CONFIGDIRNAME'] = chop_prefix(conf, 'CONFIGDIR')
 191         conf.env['LV2DIRNAME'] = chop_prefix(conf, 'LV2DIR')
 192
 193         if Options.options.debug:
 194                 conf.env['CCFLAGS'] = [ '-O0', '-g' ]
 195                 conf.env['CXXFLAGS'] = [ '-O0',  '-g' ]
 196         else:
 197                 append_cxx_flags('-DNDEBUG')
 198         if Options.options.strict:
 199                 conf.env.append_value('CCFLAGS', [ '-std=c99', '-pedantic' ])
 200                 conf.env.append_value('CXXFLAGS', [ '-ansi', '-Woverloaded-virtual'])
 201                 append_cxx_flags('-Wall -Wextra -Wno-unused-parameter')
 202         append_cxx_flags('-fPIC -DPIC -fshow-column')
 203         g_step = 2
 204
 205 def set_local_lib(conf, name, has_objects):
 206         conf.define('HAVE_' + nameify(name.upper()), 1)
 207         if has_objects:
 208                 if type(conf.env['AUTOWAF_LOCAL_LIBS']) != dict:
 209                         conf.env['AUTOWAF_LOCAL_LIBS'] = {}
 210                 conf.env['AUTOWAF_LOCAL_LIBS'][name.lower()] = True
 211         else:
 212                 if type(conf.env['AUTOWAF_LOCAL_HEADERS']) != dict:
 213                         conf.env['AUTOWAF_LOCAL_HEADERS'] = {}
 214                 conf.env['AUTOWAF_LOCAL_HEADERS'][name.lower()] = True
 215
 216 def use_lib(bld, obj, libs):
 217         abssrcdir = os.path.abspath('.')
 218         libs_list = libs.split()
 219         for l in libs_list:
 220                 in_headers = l.lower() in bld.env['AUTOWAF_LOCAL_HEADERS']
 221                 in_libs    = l.lower() in bld.env['AUTOWAF_LOCAL_LIBS']
 222                 if in_libs:
 223                         if hasattr(obj, 'uselib_local'):
 224                                 obj.uselib_local += ' lib' + l.lower() + ' '
 225                         else:
 226                                 obj.uselib_local = 'lib' + l.lower() + ' '
 227
 228                 if in_headers or in_libs:
 229                         inc_flag = '-iquote ' + os.path.join(abssrcdir, l.lower())
 230                         for f in ['CCFLAGS', 'CXXFLAGS']:
 231                                 if not inc_flag in bld.env[f]:
 232                                         bld.env.append_value(f, inc_flag)
 233                 else:
 234                         if hasattr(obj, 'uselib'):
 235                                 obj.uselib += ' ' + l
 236                         else:
 237                                 obj.uselib = l
 238
 239
 240 def display_header(title):
 241         Utils.pprint('BOLD', title)
 242
 243 def display_msg(conf, msg, status = None, color = None):
 244         color = 'CYAN'
 245         if type(status) == bool and status or status == "True":
 246                 color = 'GREEN'
 247         elif type(status) == bool and not status or status == "False":
 248                 color = 'YELLOW'
 249         Utils.pprint('NORMAL', "%s :" % msg.ljust(conf.line_just), sep='')
 250         Utils.pprint(color, status)
 251
 252 def print_summary(conf):
 253         global g_step
 254         if g_step > 2:
 255                 print
 256                 return
 257         e = conf.env
 258         print
 259         display_header('Global configuration')
 260         display_msg(conf, "Install prefix", conf.env['PREFIX'])
 261         display_msg(conf, "Debuggable build", str(conf.env['DEBUG']))
 262         display_msg(conf, "Strict compiler flags", str(conf.env['STRICT']))
 263         display_msg(conf, "Build documentation", str(conf.env['BUILD_DOCS']))
 264         print
 265         g_step = 3
 266
 267 def link_flags(env, lib):
 268         return ' '.join(map(lambda x: env['LIB_ST'] % x, env['LIB_' + lib]))
 269
 270 def compile_flags(env, lib):
 271         return ' '.join(map(lambda x: env['CPPPATH_ST'] % x, env['CPPPATH_' + lib]))
 272
 273 def set_recursive():
 274         global g_is_child
 275         g_is_child = True
 276
 277 def is_child():
 278         global g_is_child
 279         return g_is_child
 280
 281 # Pkg-config file
 282 def build_pc(bld, name, version, libs):
 283         '''Build a pkg-config file for a library.
 284         name    -- uppercase variable name     (e.g. 'SOMENAME')
 285         version -- version string              (e.g. '1.2.3')
 286         libs    -- string/list of dependencies (e.g. 'LIBFOO GLIB')
 287         '''
 288
 289         obj              = bld.new_task_gen('subst')
 290         obj.source       = name.lower() + '.pc.in'
 291         obj.target       = name.lower() + '.pc'
 292         obj.install_path = '${PREFIX}/${LIBDIRNAME}/pkgconfig'
 293         pkg_prefix       = bld.env['PREFIX']
 294         if pkg_prefix[-1] == '/':
 295                 pkg_prefix = pkg_prefix[:-1]
 296         obj.dict = {
 297                 'prefix'           : pkg_prefix,
 298                 'exec_prefix'      : '${prefix}',
 299                 'libdir'           : '${exec_prefix}/lib',
 300                 'includedir'       : '${prefix}/include',
 301                 name + '_VERSION'  : version,
 302         }
 303         if type(libs) != list:
 304                 libs = libs.split()
 305         for i in libs:
 306                 obj.dict[i + '_LIBS']   = link_flags(bld.env, i)
 307                 obj.dict[i + '_CFLAGS'] = compile_flags(bld.env, i)
 308
 309 # Doxygen API documentation
 310 def build_dox(bld, name, version, srcdir, blddir):
 311         if not bld.env['BUILD_DOCS']:
 312                 return
 313         obj = bld.new_task_gen('subst')
 314         obj.source = 'doc/reference.doxygen.in'
 315         obj.target = 'doc/reference.doxygen'
 316         if is_child():
 317                 src_dir = os.path.join(srcdir, name.lower())
 318                 doc_dir = os.path.join(blddir, 'default', name.lower(), 'doc')
 319         else:
 320                 src_dir = srcdir
 321                 doc_dir = os.path.join(blddir, 'default', 'doc')
 322         obj.dict = {
 323                 name + '_VERSION' : version,
 324                 name + '_SRCDIR'  : os.path.abspath(src_dir),
 325                 name + '_DOC_DIR' : os.path.abspath(doc_dir)
 326         }
 327         obj.install_path = ''
 328         out1 = bld.new_task_gen('command-output')
 329         out1.dependencies = [obj]
 330         out1.stdout = '/doc/doxygen.out'
 331         out1.stdin = '/doc/reference.doxygen' # whatever..
 332         out1.command = 'doxygen'
 333         out1.argv = [os.path.abspath(doc_dir) + '/reference.doxygen']
 334         out1.command_is_external = True
 335
 336 # Version code file generation
 337 def build_version_files(header_path, source_path, domain, major, minor, micro):
 338         header_path = os.path.abspath(header_path)
 339         source_path = os.path.abspath(source_path)
 340         text  = "int " + domain + "_major_version = " + str(major) + ";\n"
 341         text += "int " + domain + "_minor_version = " + str(minor) + ";\n"
 342         text += "int " + domain + "_micro_version = " + str(micro) + ";\n"
 343         try:
 344                 o = file(source_path, 'w')
 345                 o.write(text)
 346                 o.close()
 347         except IOError:
 348                 print "Could not open", source_path, " for writing\n"
 349                 sys.exit(-1)
 350
 351         text  = "#ifndef __" + domain + "_version_h__\n"
 352         text += "#define __" + domain + "_version_h__\n"
 353         text += "extern const char* " + domain + "_revision;\n"
 354         text += "extern int " + domain + "_major_version;\n"
 355         text += "extern int " + domain + "_minor_version;\n"
 356         text += "extern int " + domain + "_micro_version;\n"
 357         text += "#endif /* __" + domain + "_version_h__ */\n"
 358         try:
 359                 o = file(header_path, 'w')
 360                 o.write(text)
 361                 o.close()
 362         except IOError:
 363                 print "Could not open", header_path, " for writing\n"
 364                 sys.exit(-1)
 365
 366         return None
 367
 368 def shutdown():
 369         # This isn't really correct (for packaging), but people asking is annoying
 370         if Options.commands['install']:
 371                 try: os.popen("/sbin/ldconfig")
 372                 except: pass
 373