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('--mandir', type='string',
  56                         help="Manual pages [Default: DATADIR/man]")
  57         opt.add_option('--htmldir', type='string',
  58                         help="HTML documentation [Default: DATADIR/doc/PACKAGE]")
  59         opt.add_option('--lv2-user', action='store_true', default=False, dest='lv2_user',
  60                         help="Install LV2 bundles to user-local location [Default: False]")
  61         if sys.platform == "darwin":
  62                 opt.add_option('--lv2dir', type='string',
  63                                 help="LV2 bundles [Default: /Library/Audio/Plug-Ins/LV2]")
  64         else:
  65                 opt.add_option('--lv2dir', type='string',
  66                                 help="LV2 bundles [Default: LIBDIR/lv2]")
  67         g_step = 1
  68
  69 def check_header(conf, name, define='', mandatory=False):
  70         "Check for a header iff it hasn't been checked for yet"
  71         if type(conf.env['AUTOWAF_HEADERS']) != dict:
  72                 conf.env['AUTOWAF_HEADERS'] = {}
  73
  74         checked = conf.env['AUTOWAF_HEADERS']
  75         if not name in checked:
  76                 checked[name] = True
  77                 if define != '':
  78                         conf.check(header_name=name, define_name=define, mandatory=mandatory)
  79                 else:
  80                         conf.check(header_name=name, mandatory=mandatory)
  81
  82 def check_tool(conf, name):
  83         "Check for a tool iff it hasn't been checked for yet"
  84         if type(conf.env['AUTOWAF_TOOLS']) != dict:
  85                 conf.env['AUTOWAF_TOOLS'] = {}
  86
  87         checked = conf.env['AUTOWAF_TOOLS']
  88         if not name in checked:
  89                 conf.check_tool(name)
  90                 checked[name] = True
  91
  92 def check_pkg(conf, name, **args):
  93         "Check for a package iff it hasn't been checked for yet"
  94         var_name = 'HAVE_' + args['uselib_store']
  95         check = not var_name in conf.env
  96         if not check and 'atleast_version' in args:
  97                 # Re-check if version is newer than previous check
  98                 checked_version = conf.env['VERSION_' + name]
  99                 if checked_version and checked_version < args['atleast_version']:
 100                         check = True;
 101         if check:
 102                 conf.check_cfg(package=name, args="--cflags --libs", **args)
 103                 found = bool(conf.env['HAVE_' + args['uselib_store']])
 104                 if found:
 105                         conf.define('HAVE_' + args['uselib_store'], int(found))
 106                         if 'atleast_version' in args:
 107                                 conf.env['VERSION_' + name] = args['atleast_version']
 108                 else:
 109                         conf.undefine('HAVE_' + args['uselib_store'])
 110                         if args['mandatory'] == True:
 111                                 conf.fatal("Required package " + name + " not found")
 112
 113 def chop_prefix(conf, var):
 114         name = conf.env[var][len(conf.env['PREFIX']):]
 115         if len(name) > 0 and name[0] == '/':
 116                 name = name[1:]
 117         if name == "":
 118                 name = "/"
 119         return name;
 120
 121 def configure(conf):
 122         global g_step
 123         if g_step > 1:
 124                 return
 125         def append_cxx_flags(val):
 126                 conf.env.append_value('CCFLAGS', val)
 127                 conf.env.append_value('CXXFLAGS', val)
 128         conf.line_just = 42
 129         check_tool(conf, 'misc')
 130         check_tool(conf, 'compiler_cc')
 131         check_tool(conf, 'compiler_cxx')
 132         conf.env['BUILD_DOCS'] = Options.options.build_docs
 133         conf.env['DEBUG'] = Options.options.debug
 134         conf.env['PREFIX'] = os.path.abspath(os.path.expanduser(os.path.normpath(conf.env['PREFIX'])))
 135         if Options.options.bundle:
 136                 conf.env['BUNDLE'] = True
 137                 conf.define('BUNDLE', 1)
 138                 conf.env['BINDIR'] = conf.env['PREFIX']
 139                 conf.env['INCLUDEDIR'] = conf.env['PREFIX'] + '/Headers/'
 140                 conf.env['LIBDIR'] = conf.env['PREFIX'] + '/Libraries/'
 141                 conf.env['DATADIR'] = conf.env['PREFIX'] + '/Resources/'
 142                 conf.env['HTMLDIR'] = conf.env['PREFIX'] + '/Resources/Documentation/'
 143                 conf.env['MANDIR'] = conf.env['PREFIX'] + '/Resources/Man/'
 144                 conf.env['LV2DIR'] = conf.env['PREFIX'] + '/PlugIns/'
 145         else:
 146                 conf.env['BUNDLE'] = False
 147                 if Options.options.bindir:
 148                         conf.env['BINDIR'] = Options.options.bindir
 149                 else:
 150                         conf.env['BINDIR'] = conf.env['PREFIX'] + '/bin/'
 151                 if Options.options.includedir:
 152                         conf.env['INCLUDEDIR'] = Options.options.includedir
 153                 else:
 154                         conf.env['INCLUDEDIR'] = conf.env['PREFIX'] + '/include/'
 155                 if Options.options.libdir:
 156                         conf.env['LIBDIR'] = Options.options.libdir
 157                 else:
 158                         conf.env['LIBDIR'] = conf.env['PREFIX'] + '/lib/'
 159                 if Options.options.datadir:
 160                         conf.env['DATADIR'] = Options.options.datadir
 161                 else:
 162                         conf.env['DATADIR'] = conf.env['PREFIX'] + '/share/'
 163                 if Options.options.htmldir:
 164                         conf.env['HTMLDIR'] = Options.options.htmldir
 165                 else:
 166                         conf.env['HTMLDIR'] = conf.env['DATADIR'] + 'doc/' + Utils.g_module.APPNAME + '/'
 167                 if Options.options.mandir:
 168                         conf.env['MANDIR'] = Options.options.mandir
 169                 else:
 170                         conf.env['MANDIR'] = conf.env['DATADIR'] + 'man/'
 171                 if Options.options.lv2dir:
 172                         conf.env['LV2DIR'] = Options.options.lv2dir
 173                 else:
 174                         if Options.options.lv2_user:
 175                                 if sys.platform == "darwin":
 176                                         conf.env['LV2DIR'] = os.getenv('HOME') + '/Library/Audio/Plug-Ins/LV2'
 177                                 else:
 178                                         conf.env['LV2DIR'] = os.getenv('HOME') + '/.lv2'
 179                         else:
 180                                 if sys.platform == "darwin":
 181                                         conf.env['LV2DIR'] = '/Library/Audio/Plug-Ins/LV2'
 182                                 else:
 183                                         conf.env['LV2DIR'] = conf.env['LIBDIR'] + 'lv2/'
 184
 185         conf.env['BINDIRNAME'] = chop_prefix(conf, 'BINDIR')
 186         conf.env['LIBDIRNAME'] = chop_prefix(conf, 'LIBDIR')
 187         conf.env['DATADIRNAME'] = chop_prefix(conf, 'DATADIR')
 188         conf.env['LV2DIRNAME'] = chop_prefix(conf, 'LV2DIR')
 189
 190         if Options.options.debug:
 191                 conf.env['CCFLAGS'] = '-O0 -g -std=c99'
 192                 conf.env['CXXFLAGS'] = '-O0 -g -ansi'
 193         if Options.options.strict:
 194                 conf.env['CCFLAGS'] = '-O0 -g -std=c99 -pedantic'
 195                 append_cxx_flags('-Wall -Wextra -Wno-unused-parameter')
 196                 conf.env.append_value('CXXFLAGS', '-Woverloaded-virtual')
 197         append_cxx_flags('-fPIC -DPIC')
 198         g_step = 2
 199
 200 def set_local_lib(conf, name, has_objects):
 201         conf.define('HAVE_' + name.upper(), 1)
 202         if has_objects:
 203                 if type(conf.env['AUTOWAF_LOCAL_LIBS']) != dict:
 204                         conf.env['AUTOWAF_LOCAL_LIBS'] = {}
 205                 conf.env['AUTOWAF_LOCAL_LIBS'][name.lower()] = True
 206         else:
 207                 if type(conf.env['AUTOWAF_LOCAL_HEADERS']) != dict:
 208                         conf.env['AUTOWAF_LOCAL_HEADERS'] = {}
 209                 conf.env['AUTOWAF_LOCAL_HEADERS'][name.lower()] = True
 210
 211 def use_lib(bld, obj, libs):
 212         abssrcdir = os.path.abspath('.')
 213         libs_list = libs.split()
 214         for l in libs_list:
 215                 in_headers = l.lower() in bld.env['AUTOWAF_LOCAL_HEADERS']
 216                 in_libs    = l.lower() in bld.env['AUTOWAF_LOCAL_LIBS']
 217                 if in_libs:
 218                         if hasattr(obj, 'uselib_local'):
 219                                 obj.uselib_local += ' lib' + l.lower() + ' '
 220                         else:
 221                                 obj.uselib_local = 'lib' + l.lower() + ' '
 222
 223                 if in_headers or in_libs:
 224                         inc_flag = '-iquote ' + abssrcdir + '/' + l.lower()
 225                         for f in ['CCFLAGS', 'CXXFLAGS']:
 226                                 if not inc_flag in bld.env[f]:
 227                                         bld.env.prepend_value(f, inc_flag)
 228                 else:
 229                         if hasattr(obj, 'uselib'):
 230                                 obj.uselib += ' ' + l
 231                         else:
 232                                 obj.uselib = l
 233
 234
 235 def display_header(title):
 236         Utils.pprint('BOLD', title)
 237
 238 def display_msg(conf, msg, status = None, color = None):
 239         color = 'CYAN'
 240         if type(status) == bool and status or status == "True":
 241                 color = 'GREEN'
 242         elif type(status) == bool and not status or status == "False":
 243                 color = 'YELLOW'
 244         Utils.pprint('NORMAL', "%s :" % msg.ljust(conf.line_just), sep='')
 245         Utils.pprint(color, status)
 246
 247 def print_summary(conf):
 248         global g_step
 249         if g_step > 2:
 250                 print
 251                 return
 252         e = conf.env
 253         print
 254         display_header('Global configuration')
 255         display_msg(conf, "Install prefix", conf.env['PREFIX'])
 256         display_msg(conf, "Debuggable build", str(conf.env['DEBUG']))
 257         display_msg(conf, "Build documentation", str(conf.env['BUILD_DOCS']))
 258         print
 259         g_step = 3
 260
 261 def link_flags(env, lib):
 262         return ' '.join(map(lambda x: env['LIB_ST'] % x, env['LIB_' + lib]))
 263
 264 def compile_flags(env, lib):
 265         return ' '.join(map(lambda x: env['CPPPATH_ST'] % x, env['CPPPATH_' + lib]))
 266
 267 def set_recursive():
 268         global g_is_child
 269         g_is_child = True
 270
 271 def is_child():
 272         global g_is_child
 273         return g_is_child
 274
 275 # Pkg-config file
 276 def build_pc(bld, name, version, libs):
 277         '''Build a pkg-config file for a library.
 278         name    -- uppercase variable name     (e.g. 'SOMENAME')
 279         version -- version string              (e.g. '1.2.3')
 280         libs    -- string/list of dependencies (e.g. 'LIBFOO GLIB')
 281         '''
 282
 283         obj              = bld.new_task_gen('subst')
 284         obj.source       = name.lower() + '.pc.in'
 285         obj.target       = name.lower() + '.pc'
 286         obj.install_path = '${PREFIX}/${LIBDIRNAME}/pkgconfig'
 287         pkg_prefix       = bld.env['PREFIX']
 288         if pkg_prefix[-1] == '/':
 289                 pkg_prefix = pkg_prefix[:-1]
 290         obj.dict = {
 291                 'prefix'           : pkg_prefix,
 292                 'exec_prefix'      : '${prefix}',
 293                 'libdir'           : '${exec_prefix}/lib',
 294                 'includedir'       : '${prefix}/include',
 295                 name + '_VERSION'  : version,
 296                 name + '_VERSION_MAJOR_MINOR'  : ".".join(version.split(".")[0:2]),
 297         }
 298         if type(libs) != list:
 299                 libs = libs.split()
 300         for i in libs:
 301                 obj.dict[i + '_LIBS']   = link_flags(bld.env, i)
 302                 obj.dict[i + '_CFLAGS'] = compile_flags(bld.env, i)
 303
 304 # Doxygen API documentation
 305 def build_dox(bld, name, version, srcdir, blddir):
 306         if not bld.env['BUILD_DOCS']:
 307                 return
 308         obj = bld.new_task_gen('subst')
 309         obj.source = 'doc/reference.doxygen.in'
 310         obj.target = 'doc/reference.doxygen'
 311         if is_child():
 312                 src_dir = srcdir + '/' + name.lower()
 313                 doc_dir = blddir + '/default/' + name.lower() + '/doc'
 314         else:
 315                 src_dir = srcdir
 316                 doc_dir = blddir + '/default/doc'
 317         obj.dict = {
 318                 name + '_VERSION' : version,
 319                 name + '_SRCDIR'  : os.path.abspath(src_dir),
 320                 name + '_DOC_DIR' : os.path.abspath(doc_dir)
 321         }
 322         obj.install_path = ''
 323         out1 = bld.new_task_gen('command-output')
 324         out1.stdout = '/doc/doxygen.out'
 325         out1.stdin = '/doc/reference.doxygen' # whatever..
 326         out1.command = 'doxygen'
 327         out1.argv = [os.path.abspath(doc_dir) + '/reference.doxygen']
 328         out1.command_is_external = True
 329
 330 def shutdown():
 331         # This isn't really correct (for packaging), but people asking is annoying
 332         if Options.commands['install']:
 333                 try: os.popen("/sbin/ldconfig")
 334                 except: pass
 335