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