git.m6w6.name Git - awesomized/libmemcached/blob - config/pandora-plugin

   1 #!/usr/bin/python
   2
   3 #  Copyright (C) 2009 Sun Microsystems
   4 #
   5 #  This program is free software; you can redistribute it and/or modify
   6 #  it under the terms of the GNU General Public License as published by
   7 #  the Free Software Foundation; version 2 of the License.
   8 #
   9 #  This program is distributed in the hope that it will be useful,
  10 #  but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 #  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 #  GNU General Public License for more details.
  13 #
  14 #  You should have received a copy of the GNU General Public License
  15 #  along with this program; if not, write to the Free Software
  16 #  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  17
  18 pandora_plugin_file = 'config/pandora-plugin.ini'
  19
  20 # Find plugins in the tree and add them to the build system
  21
  22 import ConfigParser, os, sys
  23 import datetime, time
  24 import subprocess
  25
  26 plugin_am_file=None
  27 plugin_ac_file=None
  28
  29 class ChangeProtectedFile(object):
  30
  31   def __init__(self, fname):
  32     self.bogus_file= False
  33     self.real_fname= fname
  34     self.new_fname= "%s.new" % fname
  35     try:
  36       self.new_file= open(self.new_fname,'w+')
  37     except IOError:
  38       self.bogus_file= True
  39
  40   def write(self, text):
  41     if not self.bogus_file:
  42       self.new_file.write(text)
  43
  44   # We've written all of this out into .new files, now we only copy them
  45   # over the old ones if they are different, so that we don't cause
  46   # unnecessary recompiles
  47   def close(self):
  48     """Return True if the file had changed."""
  49     if self.bogus_file:
  50       return
  51     self.new_file.seek(0)
  52     new_content = self.new_file.read()
  53     self.new_file.close()
  54     try:
  55         old_file = file(self.real_fname, 'r')
  56         old_content = old_file.read()
  57         old_file.close()
  58     except IOError:
  59         old_content = None
  60     if new_content != old_content:
  61       if old_content != None:
  62         os.unlink(self.real_fname)
  63       os.rename(self.new_fname, self.real_fname)
  64       return True
  65     else:
  66         try:
  67           os.unlink(self.new_fname)
  68         except:
  69           pass
  70
  71
  72 def write_external_configure(plugin, plugin_file):
  73   """Write the initial bits of the configure.ac file"""
  74   if not os.path.exists('m4'):
  75     os.mkdir('m4')
  76   plugin_file.write("""
  77 AC_PREREQ(2.59)dnl              Minimum Autoconf version required.
  78 AC_INIT([%(name)s],[%(version)s],[%(url)s])
  79 AC_CONFIG_SRCDIR([%(main_source)s])
  80 AC_CONFIG_AUX_DIR(config)
  81
  82 PANDORA_CANONICAL_TARGET(less-warnings, warnings-always-on, require-cxx, force-gcc42,skip-visibility)
  83
  84 PANDORA_REQUIRE_LIBPROTOBUF
  85 PANDORA_PROTOBUF_REQUIRE_VERSION([2.1.0])
  86 PANDORA_REQUIRE_PROTOC
  87
  88 AC_LANG_PUSH(C++)
  89 PANDORA_REQUIRE_PTHREAD
  90 PANDORA_REQUIRE_LIBDL
  91 AC_LANG_POP
  92
  93 PANDORA_USE_BETTER_MALLOC
  94
  95 PANDORA_DRIZZLE_BUILD
  96 """ % plugin)
  97
  98   write_plugin_ac(plugin, plugin_file)
  99
 100   plugin_file.write("""
 101 AC_CONFIG_FILES(Makefile)
 102
 103 AC_OUTPUT
 104
 105 echo "---"
 106 echo "Configuration summary for $PACKAGE_NAME version $VERSION $PANDORA_RELEASE_COMMENT"
 107 echo ""
 108 echo "   * Installation prefix:       $prefix"
 109 echo "   * System type:               $host_vendor-$host_os"
 110 echo "   * Host CPU:                  $host_cpu"
 111 echo "   * C Compiler:                $CC_VERSION"
 112 echo "   * C++ Compiler:              $CXX_VERSION"
 113 echo "   * Debug enabled:             $with_debug"
 114 echo "   * Warnings as failure:       $ac_cv_warnings_as_errors"
 115 echo "   * C++ cstdint location:      $ac_cv_cxx_cstdint"
 116 echo "   * C++ hash_map location:     $ac_cv_cxx_hash_map"
 117 echo "   * C++ hash namespace:        $ac_cv_cxx_hash_namespace"
 118 echo "   * C++ shared_ptr namespace:  $ac_cv_shared_ptr_namespace"
 119 echo ""
 120 echo "---"
 121
 122   """ % plugin)
 123
 124 def write_external_makefile(plugin, plugin_file):
 125
 126   plugin_file.write("""
 127 ACLOCAL_AMFLAGS = -I m4 --force
 128 VERSION=$(PANDORA_RELEASE_VERSION)
 129
 130 pkgplugindir=%(pkgplugindir)s
 131 EXTRA_DIST = plugin.ini
 132
 133 """ % plugin)
 134   if plugin['headers'] != "":
 135     plugin_file.write("noinst_HEADERS = %(headers)s\n" % plugin)
 136   if plugin['install_headers'] != "":
 137     plugin_file.write("nobase_include_HEADERS += %(install_headers)s\n" % plugin)
 138   if plugin['testsuite']:
 139     if plugin.has_key('testsuitedir') and plugin['testsuitedir'] != "":
 140       plugin_file.write("EXTRA_DIST += %(testsuitedir)s\n" % plugin)
 141   plugin_file.write("""
 142 pkgplugin_LTLIBRARIES=%(libname)s.la
 143 %(libname)s_la_LDFLAGS=-avoid-version -rpath $(pkgplugindir) $(AM_LDFLAGS) %(ldflags)s $(GCOV_LIBS)
 144 %(libname)s_la_LIBADD=%(libs)s
 145 %(libname)s_la_DEPENDENCIES=%(libs)s
 146 %(libname)s_la_CPPFLAGS=$(AM_CPPFLAGS) -DPANDORA_DYNAMIC_PLUGIN -DPANDORA_MODULE_NAME=%(module_name)s -DPANDORA_MODULE_AUTHOR='"%(author)s"' -DPANDORA_MODULE_TITLE='"%(title)s"' -DPANDORA_MODULE_VERSION='"%(version)s"' -DPANDORA_MODULE_LICENSE=%(license)s %(cppflags)s
 147 %(libname)s_la_CXXFLAGS=$(AM_CXXFLAGS) %(cxxflags)s
 148 %(libname)s_la_CFLAGS=$(AM_CFLAGS) %(cflags)s
 149 %(libname)s_la_SOURCES=%(sources)s
 150 check_PROGRAMS += %(tests)s
 151 """ % plugin)
 152   plugin_am_file=os.path.join(plugin['rel_path'],'plugin.am')
 153   if os.path.exists(plugin_am_file):
 154     plugin_file.write('include %s\n' % plugin_am_file)
 155
 156 def write_external_plugin():
 157   """Return True if the plugin had changed."""
 158   plugin = read_plugin_ini('.')
 159   expand_plugin_ini(plugin)
 160   plugin_file = ChangeProtectedFile('configure.ac')
 161   write_external_configure(plugin, plugin_file)
 162   result = plugin_file.close()
 163   plugin_file = ChangeProtectedFile('Makefile.am')
 164   write_external_makefile(plugin, plugin_file)
 165   # Write some stub configure.ac and Makefile.am files that include the above
 166   result = plugin_file.close() or result
 167   return result
 168
 169 def write_plugin(plugin, plugin_ini_list):
 170   # Since this function is recursive, make sure we're not already in it.
 171   if plugin.has_key('writing_status'):
 172     if plugin['writing_status'] == 'done':
 173       return
 174     else:
 175       print "Dependency loop detected with %s" % plugin['name']
 176       exit(1)
 177
 178   plugin['writing_status'] = 'dependencies'
 179
 180   # Write all dependencies first to get around annoying automake bug
 181   for dependency in plugin['dependency_list']:
 182     found = False
 183     for find_plugin in plugin_ini_list:
 184       if find_plugin['module_name'] == dependency:
 185         found = True
 186         write_plugin(find_plugin, plugin_ini_list)
 187         break
 188     if found is False:
 189       print "Could not find dependency %s: %s" % (plugin['name'], dependency)
 190       exit(1)
 191
 192   write_plugin_ac(plugin, plugin_ac_file)
 193   write_plugin_am(plugin, plugin_am_file)
 194   plugin['writing_status'] = 'done'
 195
 196 def write_plugin_ac(plugin, plugin_ac):
 197   #
 198   # Write plugin config instructions into plugin.ac file.
 199   #
 200   plugin_ac_file=os.path.join(plugin['rel_path'],'plugin.ac')
 201   plugin_m4_dir=os.path.join(plugin['rel_path'],'m4')
 202   plugin_m4_files=[]
 203   if os.path.exists(plugin_m4_dir) and os.path.isdir(plugin_m4_dir):
 204     for m4_file in os.listdir(plugin_m4_dir):
 205       if os.path.splitext(m4_file)[-1] == '.m4':
 206         plugin_m4_files.append(os.path.join(plugin['rel_path'], m4_file))
 207   plugin_ac.write("""
 208 dnl Config for %(title)s
 209 """ % plugin)
 210   for m4_file in plugin_m4_files:
 211     plugin_ac.write('m4_sinclude([%s])\n' % m4_file)
 212   plugin['plugin_dep_libs']=" ".join(["\${top_builddir}/%s" % f for f in plugin['libs'].split()])
 213
 214   plugin_ac.write("""
 215 AC_ARG_WITH([%(name_with_dashes)s-plugin],[
 216 dnl indented wierd to make the help output correct
 217 AS_HELP_STRING([--with-%(name_with_dashes)s-plugin],[Build %(title)s. @<:@default=%(enabled)s@:>@])
 218 AS_HELP_STRING([--without-%(name_with_dashes)s-plugin],[Disable building %(title)s])
 219   ],[
 220     with_%(name)s_plugin="$withval"
 221     AS_IF([test "x$with_%(name)s_plugin" = "xyes"],[
 222       requested_%(name)s_plugin="yes"
 223     ],[
 224       requested_%(name)s_plugin="no"
 225     ])
 226   ],[
 227     with_%(name)s_plugin="%(enabled)s"
 228     requested_%(name)s_plugin="no"
 229   ])
 230 AC_ARG_ENABLE([%(name_with_dashes)s-plugin],[
 231 dnl indented wierd to make the help output correct
 232 AS_HELP_STRING([--enable-%(name_with_dashes)s-plugin],[Build %(title)s. @<:@default=%(default_yesno)s@:>@])
 233 AS_HELP_STRING([--disable-%(name_with_dashes)s-plugin],[Disable building %(title)s])
 234   ],
 235   [enable_%(name)s_plugin="$enableval"],
 236   [enable_%(name)s_plugin=%(default_yesno)s])
 237
 238 """ % plugin)
 239   if os.path.exists(plugin_ac_file):
 240     plugin_ac.write('m4_sinclude([%s])\n' % plugin_ac_file)
 241   # The plugin author has specified some check to make to determine
 242   # if the plugin can be built. If the plugin is turned on and this
 243   # check fails, then configure should error out. If the plugin is not
 244   # turned on, then the normal conditional build stuff should just let
 245   # it silently not build
 246   if plugin['has_build_conditional']:
 247     plugin_ac.write("""
 248 AS_IF([test %(build_conditional)s],
 249       [], dnl build_conditional can only negate
 250       [
 251         AS_IF([test "x${requested_%(name)s_plugin}" = "xyes"],
 252               [AC_MSG_ERROR([Plugin %(name)s was explicitly requested, yet failed build dependency checks. Aborting!])])
 253         with_%(name)s_plugin=no
 254       ])
 255
 256 """ % plugin)
 257   if not plugin['unconditional']:
 258     plugin_ac.write("""
 259 AM_CONDITIONAL([%(build_conditional_tag)s],
 260                [test %(build_conditional)s])
 261     """ % plugin)
 262
 263   plugin_ac.write("""
 264 AS_IF([test "x$with_%(name)s_plugin" = "xyes"],
 265     [
 266 """ % plugin)
 267   if plugin['testsuite']:
 268     plugin_ac.write("""
 269       pandora_plugin_test_list="%(name)s,${pandora_plugin_test_list}"
 270     """ % plugin)
 271   if plugin['static']:
 272     plugin_ac.write("""
 273         AS_IF([test "x$enable_%(name)s_plugin" = "xyes"],[
 274           pandora_builtin_list="%(module_name)s,${pandora_builtin_list}"
 275           pandora_builtin_symbols_list="_drizzled_%(module_name)s_plugin_,${pandora_builtin_symbols_list}"
 276           pandora_plugin_libs="${pandora_plugin_libs} \${top_builddir}/%(root_plugin_dir)s/%(libname)s.la"
 277           PANDORA_PLUGIN_DEP_LIBS="${PANDORA_PLUGIN_DEP_LIBS} %(plugin_dep_libs)s"
 278         ])
 279     """ % plugin)
 280
 281   else:
 282     plugin_ac.write("""
 283         AS_IF([test "x$enable_%(name)s_plugin" = "xyes"],[
 284           pandora_default_plugin_list="%(name)s,${pandora_default_plugin_list}"
 285         ])
 286     """ % plugin)
 287   plugin_ac.write("      ])\n")
 288
 289 def fix_file_paths(plugin, files):
 290   # TODO: determine path to plugin dir relative to top_srcdir... append it to
 291   # source files if they don't already have it
 292   new_files=""
 293   if plugin['plugin_dir'] != ".":
 294     for file in files.split():
 295       if not file.startswith(plugin['rel_path']):
 296         file= os.path.join(plugin['rel_path'], file)
 297         new_files= "%s %s" % (new_files, file)
 298   else:
 299     new_files= " ".join(plugin['sources'].split())
 300   if new_files != "":
 301     return new_files
 302   return files
 303
 304 def expand_plugin_ini(plugin):
 305     if plugin['name'] == "**OUT-OF-TREE**":
 306       print "Out of tree plugins require the name field to be specified in plugin.ini"
 307       sys.exit(1)
 308
 309     if plugin['plugin_dir'] == ".":
 310       plugin['rel_path']= plugin['plugin_dir']
 311       plugin['unconditional']=True
 312     else:
 313       plugin['rel_path']= plugin['plugin_dir'][len(config['top_srcdir'])+len(os.path.sep):]
 314       plugin['unconditional']=False
 315
 316     plugin['sources']= fix_file_paths(plugin, plugin['sources'])
 317     plugin['main_source']= plugin['sources'].split()[0]
 318     plugin['headers']= fix_file_paths(plugin, plugin['headers'])
 319     plugin['install_headers']= fix_file_paths(plugin, plugin['install_headers'])
 320     plugin['tests']= fix_file_paths(plugin, plugin['tests'])
 321
 322     # Make a yes/no version for autoconf help messages
 323     if plugin['load_by_default'] or plugin['static']:
 324       plugin['default_yesno']="yes"
 325     else:
 326       plugin['default_yesno']="no"
 327
 328
 329     plugin['build_conditional_tag']= "BUILD_%s_PLUGIN" % plugin['name'].upper()
 330     plugin['name_with_dashes']= plugin['name'].replace('_','-')
 331     if plugin.has_key('build_conditional'):
 332       plugin['has_build_conditional']=True
 333       plugin['build_conditional']='"x${with_%(name)s_plugin}" = "xyes" -a %(build_conditional)s' % plugin
 334     else:
 335       plugin['has_build_conditional']=False
 336       plugin['build_conditional']='"x${with_%(name)s_plugin}" = "xyes"' %plugin
 337
 338     if plugin['install']:
 339       plugin['library_type']= 'pkgplugin'
 340     else:
 341       plugin['library_type']= 'noinst'
 342
 343 def find_testsuite(plugin_dir):
 344   for testdir in ['drizzle-tests','tests']:
 345     if os.path.isdir(os.path.join(plugin_dir,testdir)):
 346       return testdir
 347   if os.path.isdir(os.path.join('tests','suite',os.path.basename(plugin_dir))):
 348     return ""
 349   return None
 350
 351 def read_plugin_ini(plugin_dir):
 352     if plugin_dir == ".":
 353       plugin_name="**OUT-OF-TREE**"
 354     else:
 355       short_name=os.path.basename(plugin_dir)
 356       plugin_name = plugin_dir[plugin_dir.index(config['root_plugin_dir']) + len(config['root_plugin_dir']) + 1:]
 357       module_name = plugin_name.replace("/", config['module_name_separator']).replace("\\", config['module_name_separator'])
 358       plugin_name = plugin_name.replace("/", config['plugin_name_separator']).replace("\\", config['plugin_name_separator'])
 359
 360
 361     plugin_file= os.path.join(plugin_dir,config['plugin_ini_fname'])
 362     plugin_defaults= dict(sources="%s.cc" % short_name,
 363                           headers="",
 364                           install_headers="",
 365                           cflags="",
 366                           cppflags="",
 367                           cxxflags="",
 368                           libs="",
 369                           ldflags="",
 370                           author="",
 371                           title="",
 372                           description="",
 373                           license="PLUGIN_LICENSE_GPL",
 374                           name=plugin_name,
 375                           module_name=module_name,
 376                           load_by_default=config['default_load_by_default'],
 377                           disabled="False",
 378                           static="False",
 379                           dependencies="",
 380                           dependency_aliases="",
 381                           tests="",
 382                           install=config['default_install'])
 383     parser=ConfigParser.ConfigParser(defaults= plugin_defaults)
 384     parser.read(plugin_file)
 385     plugin=dict(parser.items('plugin'))
 386     plugin['plugin_dir'] = plugin_dir
 387     if plugin_dir == '.':
 388       if not plugin.has_key('url'):
 389         print "External Plugins are required to specifiy a url"
 390         plugin['url']= 'http://launchpad.net/%(name)s' % plugin
 391         sys.exit(1)
 392       if plugin_dir == '.' and not plugin.has_key('version'):
 393         print "External Plugins are required to specifiy a version"
 394         sys.exit(1)
 395     if not plugin.has_key('version'):
 396       plugin['version'] = config['default_plugin_version']
 397
 398     if plugin.has_key('load_by_default'):
 399       plugin['load_by_default']=parser.getboolean('plugin','load_by_default')
 400     if plugin.has_key('disabled'):
 401       plugin['disabled']=parser.getboolean('plugin','disabled')
 402     if plugin['disabled']:
 403       plugin['enabled']="no"
 404     else:
 405       plugin['enabled']="yes"
 406     if plugin.has_key('static'):
 407       plugin['static']= parser.getboolean('plugin','static')
 408     if plugin.has_key('install'):
 409       plugin['install']= parser.getboolean('plugin','install')
 410     if plugin.has_key('testsuite'):
 411       if plugin['testsuite'] == 'disable':
 412         plugin['testsuite']= False
 413     else:
 414       plugin_testsuite= find_testsuite(plugin_dir)
 415       plugin['testsuitedir']=plugin_testsuite
 416       if plugin_testsuite is not None:
 417         plugin['testsuite']=True
 418       else:
 419         plugin['testsuite']=False
 420
 421     plugin['cflags']+= ' ' + config['extra_cflags']
 422     plugin['cppflags']+= ' ' + config['extra_cppflags']
 423     plugin['cxxflags']+= ' ' + config['extra_cxxflags']
 424
 425     plugin['libname']= "lib%s%s%s" % (config['plugin_prefix'],
 426                                       plugin['name'],
 427                                       config['plugin_suffix'])
 428     if config['force_lowercase_libname']:
 429       plugin['libname']= plugin['libname'].lower()
 430
 431     plugin['root_plugin_dir']= config['root_plugin_dir']
 432     plugin['plugin_prefix']= config['plugin_prefix']
 433     plugin['plugin_suffix']= config['plugin_suffix']
 434     plugin['pkgplugindir']= config['pkgplugindir']
 435
 436     # Dependencies must have a module but dependency aliases are simply added
 437     # to the variable passed during compile.
 438     plugin['dependency_list'] = plugin['dependencies'].split()
 439     dependency_aliases = plugin['dependency_aliases'].split()
 440     plugin['dependencies'] = ','.join(plugin['dependency_list'] +
 441                                       plugin['dependency_aliases'].split())
 442     dependency_libs = ["%s/lib%s%s.la" % (config['root_plugin_dir'],
 443                                           dependency.lower().replace('::', '_'),
 444                                           config['plugin_suffix'])
 445                        for dependency in plugin['dependency_list']]
 446     plugin['libs'] = " ".join(plugin['libs'].split() + dependency_libs);
 447
 448 # Libtool is going to expand:
 449 #      -DPANDORA_MODULE_AUTHOR='"Padraig O'"'"'Sullivan"'
 450 # to:
 451 # "-DPANDORA_MODULE_AUTHOR=\"Padraig O'Sullivan\""
 452 # So we have to replace internal ''s to '"'"'
 453     for key in ('author','title','description','version'):
 454       plugin[key]=plugin[key].replace('"','\\"')
 455       plugin[key]=plugin[key].replace("'","'\"'\"'")
 456     return plugin
 457
 458
 459 def write_plugin_am(plugin, plugin_am):
 460   """Write an automake fragment for this plugin.
 461
 462   :param plugin: The plugin dict.
 463   :param plugin_am: The file to write to.
 464   """
 465   # The .plugin.ini.stamp avoids changing the datestamp on plugin.ini which can
 466   # confuse VCS systems.
 467   plugin_am.write("""
 468 EXTRA_DIST += %(rel_path)s/plugin.ini
 469
 470 # Prevent errors when a plugin dir is removed
 471 %(rel_path)s/plugin.ini:
 472
 473 """ % plugin)
 474   if plugin['headers'] != "":
 475     plugin_am.write("noinst_HEADERS += %(headers)s\n" % plugin)
 476   if plugin['install_headers'] != "":
 477     plugin_am.write("nobase_include_HEADERS += %(install_headers)s\n" % plugin)
 478   if plugin['testsuite']:
 479     if plugin.has_key('testsuitedir') and plugin['testsuitedir'] != "":
 480       plugin_am.write("EXTRA_DIST += %(rel_path)s/%(testsuitedir)s\n" % plugin)
 481   if plugin['static']:
 482     plugin_am.write("""
 483 %(root_plugin_dir)s_%(plugin_prefix)s%(name)s_dir=${top_srcdir}/%(rel_path)s
 484 EXTRA_DIST += %(rel_path)s/plugin.ini
 485 if %(build_conditional_tag)s
 486   noinst_LTLIBRARIES+=%(root_plugin_dir)s/%(libname)s.la
 487   %(root_plugin_dir)s_%(libname)s_la_LIBADD=%(libs)s
 488   %(root_plugin_dir)s_%(libname)s_la_DEPENDENCIES=%(libs)s
 489   %(root_plugin_dir)s_%(libname)s_la_LDFLAGS=$(AM_LDFLAGS) %(ldflags)s $(GCOV_LIBS)
 490   %(root_plugin_dir)s_%(libname)s_la_CPPFLAGS=$(AM_CPPFLAGS) -DPANDORA_MODULE_NAME=%(module_name)s -DPANDORA_MODULE_AUTHOR='"%(author)s"' -DPANDORA_MODULE_TITLE='"%(title)s"' -DPANDORA_MODULE_VERSION='"%(version)s"' -DPANDORA_MODULE_LICENSE=%(license)s -DPANDORA_MODULE_DEPENDENCIES='"%(dependencies)s"' %(cppflags)s
 491   %(root_plugin_dir)s_%(libname)s_la_CXXFLAGS=$(AM_CXXFLAGS) %(cxxflags)s
 492   %(root_plugin_dir)s_%(libname)s_la_CFLAGS=$(AM_CFLAGS) %(cflags)s
 493   %(root_plugin_dir)s_%(libname)s_la_SOURCES=%(sources)s
 494   check_PROGRAMS += %(tests)s
 495   PANDORA_DYNAMIC_LDADDS+=${top_builddir}/%(root_plugin_dir)s/%(libname)s.la
 496 endif
 497 """ % plugin)
 498   else:
 499     plugin_am.write("""
 500 %(root_plugin_dir)s_%(plugin_prefix)s%(name)s_dir=${top_srcdir}/%(rel_path)s
 501 EXTRA_DIST += %(rel_path)s/plugin.ini
 502 if %(build_conditional_tag)s
 503   %(library_type)s_LTLIBRARIES+=%(root_plugin_dir)s/%(libname)s.la
 504   %(root_plugin_dir)s_%(libname)s_la_LDFLAGS=-avoid-version -rpath $(pkgplugindir) $(AM_LDFLAGS) %(ldflags)s $(GCOV_LIBS)
 505   %(root_plugin_dir)s_%(libname)s_la_LIBADD=%(libs)s
 506   %(root_plugin_dir)s_%(libname)s_la_DEPENDENCIES=%(libs)s
 507   %(root_plugin_dir)s_%(libname)s_la_CPPFLAGS=$(AM_CPPFLAGS) -DPANDORA_DYNAMIC_PLUGIN -DPANDORA_MODULE_NAME=%(module_name)s -DPANDORA_MODULE_AUTHOR='"%(author)s"' -DPANDORA_MODULE_TITLE='"%(title)s"' -DPANDORA_MODULE_VERSION='"%(version)s"' -DPANDORA_MODULE_LICENSE=%(license)s -DPANDORA_MODULE_DEPENDENCIES='"%(dependencies)s"' %(cppflags)s
 508   %(root_plugin_dir)s_%(libname)s_la_CXXFLAGS=$(AM_CXXFLAGS) %(cxxflags)s
 509   %(root_plugin_dir)s_%(libname)s_la_CFLAGS=$(AM_CFLAGS) %(cflags)s
 510   %(root_plugin_dir)s_%(libname)s_la_SOURCES=%(sources)s
 511   check_PROGRAMS += %(tests)s
 512 endif
 513 """ % plugin)
 514   plugin_am_file=os.path.join(plugin['rel_path'],'plugin.am')
 515   if os.path.exists(plugin_am_file):
 516     plugin_am.write('include %s\n' % plugin_am_file)
 517
 518 #
 519 # MAIN STARTS HERE:
 520 #
 521
 522 # Parse the pandora-plugin config file
 523
 524 config_defaults= dict(
 525   top_srcdir='.',
 526   top_builddir='.',
 527   plugin_ini_fname='plugin.ini',
 528   plugin_prefix='',
 529   plugin_suffix='',
 530   extra_cflags='',
 531   extra_cppflags='',
 532   extra_cxxflags='',
 533   root_plugin_dir='',
 534   pkgplugindir='',
 535   default_install='True',
 536   default_plugin_version='',
 537   default_load_by_default='False',
 538   force_lowercase_libname='True',
 539   plugin_name_separator='_',
 540   module_name_separator='::'
 541 )
 542
 543 config_parser = ConfigParser.ConfigParser(defaults=config_defaults)
 544 config_parser.read(pandora_plugin_file)
 545 config = dict(config_parser.items('pandora-plugin'))
 546 config['force_lowercase_libname']=config_parser.getboolean('pandora-plugin','force_lowercase_libname')
 547
 548 # I'm 3 seconds away from writing a comprehensive build solution
 549 if not os.path.exists('config/pandora_vc_revinfo'):
 550   if os.path.exists('.bzr'):
 551     bzr_revno= subprocess.Popen(["bzr", "revno"], stdout=subprocess.PIPE).communicate()[0].strip()
 552     rev_date= datetime.date.fromtimestamp(time.time())
 553     config['default_plugin_version'] = "%d.%02d.%s" % (rev_date.year, rev_date.month, bzr_revno)
 554   else:
 555     config['default_plugin_version']=datetime.date.fromtimestamp(time.time()).isoformat()
 556 else:
 557   # need to read config/pandora_vc_revno
 558   pandora_vc_revno=open('config/pandora_vc_revinfo','r').read().split()
 559   rev_date=""
 560   bzr_revno=""
 561   for revno_line in pandora_vc_revno:
 562     (revno_key,revno_val)= revno_line.split("=")
 563     if revno_key == 'PANDORA_VC_REVNO':
 564       bzr_revno=revno_val.strip()
 565     elif revno_key == 'PANDORA_RELEASE_DATE':
 566       rev_date=revno_val.strip()
 567
 568   config['default_plugin_version'] = "%s.%s" % (rev_date, bzr_revno)
 569
 570 actions=[]
 571 for arg in sys.argv:
 572   if arg.startswith('--top_srcdir='):
 573     config['top_srcdir']=arg[12:]
 574   elif arg.startswith('--top_builddir='):
 575     config['top_builddir']=arg[14:]
 576   elif arg == "--force-all":
 577     actions=['plugin-list','pandora-plugin.am','write']
 578     break
 579   else:
 580     actions.append(arg)
 581 if len(actions) == 0:
 582   actions.append('write')
 583
 584 plugin_list=[]
 585
 586 def accumulate_plugins(arg, dirname, fnames):
 587   # plugin_ini_fname is a name in dirname indicating dirname is a plugin.
 588   if config['plugin_ini_fname'] in fnames:
 589     arg.append(dirname)
 590
 591 os.path.walk(os.path.join(config['top_srcdir'],
 592                           config['root_plugin_dir']),
 593              accumulate_plugins,
 594              plugin_list)
 595
 596
 597 if not os.path.exists("config/pandora-plugin.am") or "write" in actions:
 598   plugin_am_file = ChangeProtectedFile(os.path.join('config', 'pandora-plugin.am'))
 599   plugin_am_file.write("""
 600 # always the current list, generated every build so keep this lean.
 601 # pandora-plugin.list: datestamp preserved list
 602 ${srcdir}/config/pandora-plugin.list: .plugin.scan
 603 .plugin.scan:
 604         @cd ${top_srcdir} && python config/pandora-plugin plugin-list
 605
 606 # Plugins affect configure; so to prevent configure running twice in a tarball
 607 # build (once up front, once with the right list of plugins, we ship the
 608 # generated list of plugins and the housekeeping material for that list so it
 609 # is likewise not updated.
 610 EXTRA_DIST += \
 611         config/pandora-plugin.am \
 612         config/pandora-plugin.ac \
 613         config/pandora-plugin \
 614         config/pandora-plugin.ini
 615
 616
 617 # Seed the list of plugin LDADDS which plugins may extend.
 618 PANDORA_DYNAMIC_LDADDS=
 619
 620 # plugin.stamp: graph dominator for creating all per pandora-plugin.ac/am
 621 # files. This is invoked when the code to generate such files has altered.""")
 622
 623 if not os.path.exists("config/pandora-plugin.ac") or "write" in actions:
 624   plugin_ac_file = ChangeProtectedFile(os.path.join('config', 'pandora-plugin.ac'))
 625   plugin_ac_file.write("dnl Generated file, run make to rebuild\n")
 626
 627
 628 if os.path.exists('plugin.ini'):
 629   # Are we in a plugin dir which wants to have a self-sufficient build system?
 630   plugin_list=['.']
 631
 632   write_external_plugin()
 633 else:
 634   plugin_list_file = ChangeProtectedFile(os.path.join('config', 'pandora-plugin.list'))
 635   for p in plugin_list:
 636     plugin_list_file.write(p)
 637     plugin_list_file.write("\n")
 638   plugin_list.sort()
 639   plugin_list_file.close()
 640
 641 if not os.path.exists("config/pandora-plugin.am") or 'write' in actions:
 642   plugin_am_file.write("\n${top_srcdir}/config/pandora-plugin.am: ${top_srcdir}/config/pandora-plugin.list ${top_srcdir}/config/pandora-plugin ")
 643   for plugin_dir in plugin_list:
 644     plugin_am_file.write("\\\n\t%s/plugin.ini " % plugin_dir)
 645   plugin_am_file.write("\n\tcd ${top_srcdir} && python config/pandora-plugin write\n")
 646   plugin_ini_list=[]
 647
 648   # Load all plugin.ini files first so we can do dependency tracking.
 649   for plugin_dir in plugin_list:
 650     plugin = read_plugin_ini(plugin_dir)
 651     expand_plugin_ini(plugin)
 652     plugin_ini_list.append(plugin)
 653
 654   # Check for duplicates
 655   plugin_name_list = [plugin['libname'] for plugin in plugin_ini_list]
 656   for plugin in plugin_ini_list:
 657     if plugin_name_list.count(plugin['libname']) != 1:
 658       print "Duplicate module name %s" % plugin['libname']
 659       exit(1)
 660
 661   for plugin in plugin_ini_list:
 662     write_plugin(plugin, plugin_ini_list)
 663
 664 if plugin_am_file is not None:
 665   plugin_am_file.close()
 666 if plugin_ac_file is not None:
 667   plugin_ac_file.close()