buildtools/wafsamba/samba_install.py

   1 ###########################
   2 # this handles the magic we need to do for installing
   3 # with all the configure options that affect rpath and shared
   4 # library use
   5
   6 import os
   7 from waflib import Utils, Errors
   8 from waflib.TaskGen import feature, before, after
   9 from samba_utils import LIB_PATH, MODE_755, install_rpath, build_rpath
  10
  11 @feature('install_bin')
  12 @after('apply_core')
  13 @before('apply_link', 'apply_obj_vars')
  14 def install_binary(self):
  15     '''install a binary, taking account of the different rpath varients'''
  16     bld = self.bld
  17
  18     # get the ldflags we will use for install and build
  19     install_ldflags = install_rpath(self)
  20     build_ldflags   = build_rpath(bld)
  21
  22     if not self.bld.is_install:
  23         # just need to set rpath if we are not installing
  24         self.env.RPATH = build_ldflags
  25         return
  26
  27     # work out the install path, expanding variables
  28     install_path = getattr(self, 'samba_inst_path', None) or '${BINDIR}'
  29     install_path = bld.EXPAND_VARIABLES(install_path)
  30
  31     orig_target = os.path.basename(self.target)
  32
  33     if install_ldflags != build_ldflags:
  34         # we will be creating a new target name, and using that for the
  35         # install link. That stops us from overwriting the existing build
  36         # target, which has different ldflags
  37         self.target += '.inst'
  38
  39     # setup the right rpath link flags for the install
  40     self.env.RPATH = install_ldflags
  41
  42     if not self.samba_install:
  43         # this binary is marked not to be installed
  44         return
  45
  46     # tell waf to install the right binary
  47     bld.install_as(os.path.join(install_path, orig_target),
  48                    self.path.find_or_declare(self.target),
  49                    chmod=MODE_755)
  50
  51
  52
  53 @feature('install_lib')
  54 @after('apply_core')
  55 @before('apply_link', 'apply_obj_vars')
  56 def install_library(self):
  57     '''install a library, taking account of the different rpath varients'''
  58     if getattr(self, 'done_install_library', False):
  59         return
  60
  61     bld = self.bld
  62
  63     default_env = bld.all_envs['default']
  64     try:
  65         if self.env['IS_EXTRA_PYTHON']:
  66             bld.all_envs['default'] = bld.all_envs['extrapython']
  67
  68         install_ldflags = install_rpath(self)
  69         build_ldflags   = build_rpath(bld)
  70
  71         if not self.bld.is_install or not getattr(self, 'samba_install', True):
  72             # just need to set the build rpath if we are not installing
  73             self.env.RPATH = build_ldflags
  74             return
  75
  76         # setup the install path, expanding variables
  77         install_path = getattr(self, 'samba_inst_path', None)
  78         if install_path is None:
  79             if getattr(self, 'private_library', False):
  80                 install_path = '${PRIVATELIBDIR}'
  81             else:
  82                 install_path = '${LIBDIR}'
  83         install_path = bld.EXPAND_VARIABLES(install_path)
  84
  85         target_name = self.target
  86
  87         if install_ldflags != build_ldflags:
  88             # we will be creating a new target name, and using that for the
  89             # install link. That stops us from overwriting the existing build
  90             # target, which has different ldflags
  91             self.done_install_library = True
  92             t = self.clone(self.env)
  93             t.posted = False
  94             t.target += '.inst'
  95             t.name = self.name + '.inst'
  96             self.env.RPATH = build_ldflags
  97         else:
  98             t = self
  99
 100         t.env.RPATH = install_ldflags
 101
 102         dev_link     = None
 103
 104         # in the following the names are:
 105         # - inst_name is the name with .inst. in it, in the build
 106         #   directory
 107         # - install_name is the name in the install directory
 108         # - install_link is a symlink in the install directory, to install_name
 109
 110         if getattr(self, 'samba_realname', None):
 111             install_name = self.samba_realname
 112             install_link = None
 113             if getattr(self, 'soname', ''):
 114                 install_link = self.soname
 115             if getattr(self, 'samba_type', None) == 'PYTHON':
 116                 inst_name    = bld.make_libname(t.target, nolibprefix=True, python=True)
 117             else:
 118                 inst_name    = bld.make_libname(t.target)
 119         elif self.vnum:
 120             vnum_base    = self.vnum.split('.')[0]
 121             install_name = bld.make_libname(target_name, version=self.vnum)
 122             install_link = bld.make_libname(target_name, version=vnum_base)
 123             inst_name    = bld.make_libname(t.target)
 124             if not self.private_library:
 125                 # only generate the dev link for non-bundled libs
 126                 dev_link     = bld.make_libname(target_name)
 127         elif getattr(self, 'soname', ''):
 128             install_name = bld.make_libname(target_name)
 129             install_link = self.soname
 130             inst_name    = bld.make_libname(t.target)
 131         else:
 132             install_name = bld.make_libname(target_name)
 133             install_link = None
 134             inst_name    = bld.make_libname(t.target)
 135
 136         if t.env.SONAME_ST:
 137             # ensure we get the right names in the library
 138             if install_link:
 139                 t.env.append_value('LINKFLAGS', t.env.SONAME_ST % install_link)
 140             else:
 141                 t.env.append_value('LINKFLAGS', t.env.SONAME_ST % install_name)
 142             t.env.SONAME_ST = ''
 143
 144         # tell waf to install the library
 145         bld.install_as(os.path.join(install_path, install_name),
 146                        self.path.find_or_declare(inst_name),
 147                        chmod=MODE_755)
 148
 149         if install_link and install_link != install_name:
 150             # and the symlink if needed
 151             bld.symlink_as(os.path.join(install_path, install_link), os.path.basename(install_name))
 152         if dev_link:
 153             bld.symlink_as(os.path.join(install_path, dev_link), os.path.basename(install_name))
 154     finally:
 155         bld.all_envs['default'] = default_env
 156
 157
 158 @feature('cshlib')
 159 @after('apply_implib')
 160 @before('apply_vnum')
 161 def apply_soname(self):
 162     '''install a library, taking account of the different rpath varients'''
 163
 164     if self.env.SONAME_ST and getattr(self, 'soname', ''):
 165         self.env.append_value('LINKFLAGS', self.env.SONAME_ST % self.soname)
 166         self.env.SONAME_ST = ''
 167
 168 @feature('cshlib')
 169 @after('apply_implib')
 170 @before('apply_vnum')
 171 def apply_vscript(self):
 172     '''add version-script arguments to library build'''
 173
 174     if self.env.HAVE_LD_VERSION_SCRIPT and getattr(self, 'version_script', ''):
 175         self.env.append_value('LINKFLAGS', "-Wl,--version-script=%s" %
 176             self.version_script)
 177         self.version_script = None
 178
 179
 180 ##############################
 181 # handle the creation of links for libraries and binaries in the build tree
 182
 183 @feature('symlink_lib')
 184 @after('apply_link')
 185 def symlink_lib(self):
 186     '''symlink a shared lib'''
 187
 188     if self.target.endswith('.inst'):
 189         return
 190
 191     blddir = os.path.dirname(self.bld.srcnode.abspath(self.bld.env))
 192     libpath = self.link_task.outputs[0].abspath(self.env)
 193
 194     # calculat the link target and put it in the environment
 195     soext=""
 196     vnum = getattr(self, 'vnum', None)
 197     if vnum is not None:
 198         soext = '.' + vnum.split('.')[0]
 199
 200     link_target = getattr(self, 'link_name', '')
 201     if link_target == '':
 202         basename = os.path.basename(self.bld.make_libname(self.target, version=soext))
 203         if getattr(self, "private_library", False):
 204             link_target = '%s/private/%s' % (LIB_PATH, basename)
 205         else:
 206             link_target = '%s/%s' % (LIB_PATH, basename)
 207
 208     link_target = os.path.join(blddir, link_target)
 209
 210     if os.path.lexists(link_target):
 211         if os.path.islink(link_target) and os.readlink(link_target) == libpath:
 212             return
 213         os.unlink(link_target)
 214
 215     link_container = os.path.dirname(link_target)
 216     if not os.path.isdir(link_container):
 217         os.makedirs(link_container)
 218
 219     os.symlink(libpath, link_target)
 220
 221
 222 @feature('symlink_bin')
 223 @after('apply_link')
 224 def symlink_bin(self):
 225     '''symlink a binary into the build directory'''
 226
 227     if self.target.endswith('.inst'):
 228         return
 229
 230     if not self.link_task.outputs or not self.link_task.outputs[0]:
 231         raise Errors.WafError('no outputs found for %s in symlink_bin' % self.name)
 232     binpath = self.link_task.outputs[0].abspath(self.env)
 233     bldpath = os.path.join(self.bld.env.BUILD_DIRECTORY, self.link_task.outputs[0].name)
 234
 235     if os.path.lexists(bldpath):
 236         if os.path.islink(bldpath) and os.readlink(bldpath) == binpath:
 237             return
 238         os.unlink(bldpath)
 239     os.symlink(binpath, bldpath)