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 import Utils
   8 from 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                    os.path.join(self.path.abspath(bld.env), 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             self.env.RPATH = build_ldflags
  96         else:
  97             t = self
  98
  99         t.env.RPATH = install_ldflags
 100
 101         dev_link     = None
 102
 103         # in the following the names are:
 104         # - inst_name is the name with .inst. in it, in the build
 105         #   directory
 106         # - install_name is the name in the install directory
 107         # - install_link is a symlink in the install directory, to install_name
 108
 109         if getattr(self, 'samba_realname', None):
 110             install_name = self.samba_realname
 111             install_link = None
 112             if getattr(self, 'soname', ''):
 113                 install_link = self.soname
 114             if getattr(self, 'samba_type', None) == 'PYTHON':
 115                 inst_name    = bld.make_libname(t.target, nolibprefix=True, python=True)
 116             else:
 117                 inst_name    = bld.make_libname(t.target)
 118         elif self.vnum:
 119             vnum_base    = self.vnum.split('.')[0]
 120             install_name = bld.make_libname(target_name, version=self.vnum)
 121             install_link = bld.make_libname(target_name, version=vnum_base)
 122             inst_name    = bld.make_libname(t.target)
 123             if not self.private_library:
 124                 # only generate the dev link for non-bundled libs
 125                 dev_link     = bld.make_libname(target_name)
 126         elif getattr(self, 'soname', ''):
 127             install_name = bld.make_libname(target_name)
 128             install_link = self.soname
 129             inst_name    = bld.make_libname(t.target)
 130         else:
 131             install_name = bld.make_libname(target_name)
 132             install_link = None
 133             inst_name    = bld.make_libname(t.target)
 134
 135         if t.env.SONAME_ST:
 136             # ensure we get the right names in the library
 137             if install_link:
 138                 t.env.append_value('LINKFLAGS', t.env.SONAME_ST % install_link)
 139             else:
 140                 t.env.append_value('LINKFLAGS', t.env.SONAME_ST % install_name)
 141             t.env.SONAME_ST = ''
 142
 143         # tell waf to install the library
 144         bld.install_as(os.path.join(install_path, install_name),
 145                        os.path.join(self.path.abspath(bld.env), inst_name),
 146                        chmod=MODE_755)
 147         if install_link and install_link != install_name:
 148             # and the symlink if needed
 149             bld.symlink_as(os.path.join(install_path, install_link), os.path.basename(install_name))
 150         if dev_link:
 151             bld.symlink_as(os.path.join(install_path, dev_link), os.path.basename(install_name))
 152     finally:
 153         bld.all_envs['default'] = default_env
 154
 155
 156 @feature('cshlib')
 157 @after('apply_implib')
 158 @before('apply_vnum')
 159 def apply_soname(self):
 160     '''install a library, taking account of the different rpath varients'''
 161
 162     if self.env.SONAME_ST and getattr(self, 'soname', ''):
 163         self.env.append_value('LINKFLAGS', self.env.SONAME_ST % self.soname)
 164         self.env.SONAME_ST = ''
 165
 166 @feature('cshlib')
 167 @after('apply_implib')
 168 @before('apply_vnum')
 169 def apply_vscript(self):
 170     '''add version-script arguments to library build'''
 171
 172     if self.env.HAVE_LD_VERSION_SCRIPT and getattr(self, 'version_script', ''):
 173         self.env.append_value('LINKFLAGS', "-Wl,--version-script=%s" %
 174             self.version_script)
 175         self.version_script = None
 176
 177
 178 ##############################
 179 # handle the creation of links for libraries and binaries in the build tree
 180
 181 @feature('symlink_lib')
 182 @after('apply_link')
 183 def symlink_lib(self):
 184     '''symlink a shared lib'''
 185
 186     if self.target.endswith('.inst'):
 187         return
 188
 189     blddir = os.path.dirname(self.bld.srcnode.abspath(self.bld.env))
 190     libpath = self.link_task.outputs[0].abspath(self.env)
 191
 192     # calculat the link target and put it in the environment
 193     soext=""
 194     vnum = getattr(self, 'vnum', None)
 195     if vnum is not None:
 196         soext = '.' + vnum.split('.')[0]
 197
 198     link_target = getattr(self, 'link_name', '')
 199     if link_target == '':
 200         basename = os.path.basename(self.bld.make_libname(self.target, version=soext))
 201         if getattr(self, "private_library", False):
 202             link_target = '%s/private/%s' % (LIB_PATH, basename)
 203         else:
 204             link_target = '%s/%s' % (LIB_PATH, basename)
 205
 206     link_target = os.path.join(blddir, link_target)
 207
 208     if os.path.lexists(link_target):
 209         if os.path.islink(link_target) and os.readlink(link_target) == libpath:
 210             return
 211         os.unlink(link_target)
 212
 213     link_container = os.path.dirname(link_target)
 214     if not os.path.isdir(link_container):
 215         os.makedirs(link_container)
 216
 217     os.symlink(libpath, link_target)
 218
 219
 220 @feature('symlink_bin')
 221 @after('apply_link')
 222 def symlink_bin(self):
 223     '''symlink a binary into the build directory'''
 224
 225     if self.target.endswith('.inst'):
 226         return
 227
 228     if not self.link_task.outputs or not self.link_task.outputs[0]:
 229         raise Utils.WafError('no outputs found for %s in symlink_bin' % self.name)
 230     binpath = self.link_task.outputs[0].abspath(self.env)
 231     bldpath = os.path.join(self.bld.env.BUILD_DIRECTORY, self.link_task.outputs[0].name)
 232
 233     if os.path.lexists(bldpath):
 234         if os.path.islink(bldpath) and os.readlink(bldpath) == binpath:
 235             return
 236         os.unlink(bldpath)
 237     os.symlink(binpath, bldpath)