Introduce system MIT krb5 build with --with-system-mitkrb5 option.
[kai/samba.git] / buildtools / wafsamba / wafsamba.py
index e53472b76a0fedc2e40531903e715c9478fcbe41..f1e7affbefe85c212bed005edda73b2fc81820c3 100644 (file)
@@ -1,7 +1,7 @@
 # a waf tool to add autoconf-like macros to the configure section
 # and for SAMBA_ macros for building libraries, binaries etc
 
-import Build, os, Options, Task, Utils, cc, TaskGen, fnmatch, re, shutil, Logs, Constants
+import Build, os, sys, Options, Task, Utils, cc, TaskGen, fnmatch, re, shutil, Logs, Constants
 from Configure import conf
 from Logs import debug
 from samba_utils import SUBST_VARS_RECURSIVE
@@ -21,11 +21,16 @@ from samba_bundled import *
 import samba_install
 import samba_conftests
 import samba_abi
+import samba_headers
 import tru64cc
 import irixcc
+import hpuxcc
 import generic_cc
 import samba_dist
 import samba_wildcard
+import stale_files
+import symbols
+import pkgconfig
 
 # some systems have broken threading in python
 if os.environ.get('WAF_NOTHREADS') == '1':
@@ -33,7 +38,7 @@ if os.environ.get('WAF_NOTHREADS') == '1':
 
 LIB_PATH="shared"
 
-os.putenv('PYTHONUNBUFFERED', '1')
+os.environ['PYTHONUNBUFFERED'] = '1'
 
 
 if Constants.HEXVERSION < 0x105019:
@@ -42,9 +47,8 @@ Please use the version of waf that comes with Samba, not
 a system installed version. See http://wiki.samba.org/index.php/Waf
 for details.
 
-Alternatively, please use ./autogen-waf.sh, and then
-run ./configure and make as usual. That will call the right version of waf.
-''')
+Alternatively, please run ./configure and make as usual. That will
+call the right version of waf.''')
     sys.exit(1)
 
 
@@ -53,6 +57,7 @@ def SAMBA_BUILD_ENV(conf):
     '''create the samba build environment'''
     conf.env.BUILD_DIRECTORY = conf.blddir
     mkdir_p(os.path.join(conf.blddir, LIB_PATH))
+    mkdir_p(os.path.join(conf.blddir, LIB_PATH, "private"))
     mkdir_p(os.path.join(conf.blddir, "modules"))
     mkdir_p(os.path.join(conf.blddir, 'python/samba/dcerpc'))
     # this allows all of the bin/shared and bin/python targets
@@ -93,36 +98,50 @@ def SAMBA_LIBRARY(bld, libname, source,
                   public_deps='',
                   includes='',
                   public_headers=None,
+                  public_headers_install=True,
                   header_path=None,
                   pc_files=None,
                   vnum=None,
+                  soname=None,
                   cflags='',
+                  ldflags='',
                   external_library=False,
                   realname=None,
                   autoproto=None,
-                  group='main',
+                  autoproto_extra_source='',
+                  group='libraries',
                   depends_on='',
                   local_include=True,
+                  global_include=True,
                   vars=None,
+                  subdir=None,
                   install_path=None,
                   install=True,
                   pyembed=False,
+                  pyext=False,
                   target_type='LIBRARY',
                   bundled_extension=True,
                   link_name=None,
-                  abi_file=None,
+                  abi_directory=None,
                   abi_match=None,
                   hide_symbols=False,
-                  is_bundled=False,
                   manpages=None,
+                  private_library=False,
+                  grouping_library=False,
+                  allow_undefined_symbols=False,
                   enabled=True):
     '''define a Samba library'''
 
+    if LIB_MUST_BE_PRIVATE(bld, libname):
+        private_library=True
+
     if not enabled:
         SET_TARGET_TYPE(bld, libname, 'DISABLED')
         return
 
     source = bld.EXPAND_VARIABLES(source, vars=vars)
+    if subdir:
+        source = bld.SUBDIR(subdir, source)
 
     # remember empty libraries, so we can strip the dependencies
     if ((source == '') or (source == [])) and deps == '' and public_deps == '':
@@ -134,6 +153,11 @@ def SAMBA_LIBRARY(bld, libname, source,
     else:
         obj_target = libname + '.objlist'
 
+    if group == 'libraries':
+        subsystem_group = 'main'
+    else:
+        subsystem_group = group
+
     # first create a target for building the object files for this library
     # by separating in this way, we avoid recompiling the C files
     # separately for the install library and the build library
@@ -143,14 +167,18 @@ def SAMBA_LIBRARY(bld, libname, source,
                         public_deps    = public_deps,
                         includes       = includes,
                         public_headers = public_headers,
+                        public_headers_install = public_headers_install,
                         header_path    = header_path,
                         cflags         = cflags,
-                        group          = group,
+                        group          = subsystem_group,
                         autoproto      = autoproto,
+                        autoproto_extra_source=autoproto_extra_source,
                         depends_on     = depends_on,
                         hide_symbols   = hide_symbols,
-                        pyext          = (target_type == "PYTHON"),
-                        local_include  = local_include)
+                        pyembed        = pyembed,
+                        pyext          = pyext,
+                        local_include  = local_include,
+                        global_include = global_include)
 
     if BUILTIN_LIBRARY(bld, libname):
         return
@@ -163,44 +191,88 @@ def SAMBA_LIBRARY(bld, libname, source,
     deps = TO_LIST(deps)
     deps.append(obj_target)
 
-    if target_type == 'PYTHON' or realname or not is_bundled:
-        # Sanitize the library name
-        bundled_name = libname.lower().replace('_', '-')
-        while bundled_name.startswith("lib"):
-            bundled_name = bundled_name[3:]
+    realname = bld.map_shlib_extension(realname, python=(target_type=='PYTHON'))
+    link_name = bld.map_shlib_extension(link_name, python=(target_type=='PYTHON'))
+
+    # we don't want any public libraries without version numbers
+    if (not private_library and target_type != 'PYTHON' and not realname):
+        if vnum is None and soname is None:
+            raise Utils.WafError("public library '%s' must have a vnum" %
+                    libname)
+        if pc_files is None:
+            raise Utils.WafError("public library '%s' must have pkg-config file" %
+                       libname)
+        if public_headers is None:
+            raise Utils.WafError("public library '%s' must have header files" %
+                       libname)
+
+    if target_type == 'PYTHON' or realname or not private_library:
+        bundled_name = libname.replace('_', '-')
     else:
-        bundled_name = BUNDLED_NAME(bld, libname, bundled_extension)
+        bundled_name = PRIVATE_NAME(bld, libname, bundled_extension,
+            private_library)
+
+    ldflags = TO_LIST(ldflags)
 
     features = 'cc cshlib symlink_lib install_lib'
-    if target_type == 'PYTHON':
+    if pyext:
         features += ' pyext'
     if pyembed:
         features += ' pyembed'
-    if abi_file:
+
+    if abi_directory:
         features += ' abi_check'
 
-    if abi_file:
-        abi_file = os.path.join(bld.curdir, abi_file)
+    vscript = None
+    if bld.env.HAVE_LD_VERSION_SCRIPT:
+        if private_library:
+            version = "%s_%s" % (Utils.g_module.APPNAME, Utils.g_module.VERSION)
+        elif vnum:
+            version = "%s_%s" % (libname, vnum)
+        else:
+            version = None
+        if version:
+            vscript = "%s.vscript" % libname
+            bld.ABI_VSCRIPT(libname, abi_directory, version, vscript,
+                            abi_match)
+            fullname = apply_pattern(bundled_name, bld.env.shlib_PATTERN)
+            fullpath = bld.path.find_or_declare(fullname)
+            vscriptpath = bld.path.find_or_declare(vscript)
+            if not fullpath:
+                raise Utils.WafError("unable to find fullpath for %s" % fullname)
+            if not vscriptpath:
+                raise Utils.WafError("unable to find vscript path for %s" % vscript)
+            bld.add_manual_dependency(fullpath, vscriptpath)
+            if Options.is_install:
+                # also make the .inst file depend on the vscript
+                instname = apply_pattern(bundled_name + '.inst', bld.env.shlib_PATTERN)
+                bld.add_manual_dependency(bld.path.find_or_declare(instname), bld.path.find_or_declare(vscript))
+            vscript = os.path.join(bld.path.abspath(bld.env), vscript)
 
     bld.SET_BUILD_GROUP(group)
     t = bld(
         features        = features,
         source          = [],
         target          = bundled_name,
-        samba_cflags    = CURRENT_CFLAGS(bld, libname, cflags),
         depends_on      = depends_on,
+        samba_ldflags   = ldflags,
         samba_deps      = deps,
         samba_includes  = includes,
+        version_script  = vscript,
         local_include   = local_include,
+        global_include  = global_include,
         vnum            = vnum,
+        soname          = soname,
         install_path    = None,
         samba_inst_path = install_path,
         name            = libname,
         samba_realname  = realname,
         samba_install   = install,
-        abi_file        = abi_file,
+        abi_directory   = "%s/%s" % (bld.path.abspath(), abi_directory),
         abi_match       = abi_match,
-        is_bundled      = is_bundled
+        private_library = private_library,
+        grouping_library=grouping_library,
+        allow_undefined_symbols=allow_undefined_symbols
         )
 
     if realname and not link_name:
@@ -209,10 +281,11 @@ def SAMBA_LIBRARY(bld, libname, source,
     if link_name:
         t.link_name = link_name
 
-    if pc_files is not None:
+    if pc_files is not None and not private_library:
         bld.PKG_CONFIG_FILES(pc_files, vnum=vnum)
 
-    if manpages is not None and 'XSLTPROC_MANPAGES' in bld.env and bld.env['XSLTPROC_MANPAGES']:
+    if (manpages is not None and 'XSLTPROC_MANPAGES' in bld.env and 
+        bld.env['XSLTPROC_MANPAGES']):
         bld.MANPAGES(manpages)
 
 
@@ -235,9 +308,11 @@ def SAMBA_BINARY(bld, binname, source,
                  group='binaries',
                  manpages=None,
                  local_include=True,
+                 global_include=True,
                  subsystem_name=None,
                  pyembed=False,
                  vars=None,
+                 subdir=None,
                  install=True,
                  install_path=None,
                  enabled=True):
@@ -257,8 +332,15 @@ def SAMBA_BINARY(bld, binname, source,
     obj_target = binname + '.objlist'
 
     source = bld.EXPAND_VARIABLES(source, vars=vars)
+    if subdir:
+        source = bld.SUBDIR(subdir, source)
     source = unique_list(TO_LIST(source))
 
+    if group == 'binaries':
+        subsystem_group = 'main'
+    else:
+        subsystem_group = group
+
     # first create a target for building the object files for this binary
     # by separating in this way, we avoid recompiling the C files
     # separately for the install binary and the build binary
@@ -267,10 +349,11 @@ def SAMBA_BINARY(bld, binname, source,
                         deps           = deps,
                         includes       = includes,
                         cflags         = cflags,
-                        group          = group,
+                        group          = subsystem_group,
                         autoproto      = autoproto,
                         subsystem_name = subsystem_name,
                         local_include  = local_include,
+                        global_include = global_include,
                         use_hostcc     = use_hostcc,
                         pyext          = pyembed,
                         use_global_deps= use_global_deps)
@@ -285,24 +368,19 @@ def SAMBA_BINARY(bld, binname, source,
         features       = features,
         source         = [],
         target         = binname,
-        samba_cflags   = CURRENT_CFLAGS(bld, binname, cflags),
         samba_deps     = deps,
         samba_includes = includes,
         local_include  = local_include,
+        global_include = global_include,
         samba_modules  = modules,
         top            = True,
         samba_subsystem= subsystem_name,
         install_path   = None,
         samba_inst_path= install_path,
-        samba_install  = install
+        samba_install  = install,
+        samba_ldflags  = TO_LIST(ldflags)
         )
 
-    # setup the subsystem_name as an alias for the real
-    # binary name, so it can be found when expanding
-    # subsystem dependencies
-    if subsystem_name is not None:
-        bld.TARGET_ALIAS(subsystem_name, binname)
-
     if manpages is not None and 'XSLTPROC_MANPAGES' in bld.env and bld.env['XSLTPROC_MANPAGES']:
         bld.MANPAGES(manpages)
 
@@ -315,25 +393,29 @@ def SAMBA_MODULE(bld, modname, source,
                  includes='',
                  subsystem=None,
                  init_function=None,
+                 module_init_name='samba_init_module',
                  autoproto=None,
                  autoproto_extra_source='',
-                 aliases=None,
                  cflags='',
                  internal_module=True,
                  local_include=True,
+                 global_include=True,
                  vars=None,
+                 subdir=None,
                  enabled=True,
-                 pyembed=True,
+                 pyembed=False,
+                 allow_undefined_symbols=False
                  ):
     '''define a Samba module.'''
 
     source = bld.EXPAND_VARIABLES(source, vars=vars)
+    if subdir:
+        source = bld.SUBDIR(subdir, source)
 
     if internal_module or BUILTIN_LIBRARY(bld, modname):
-        # treat internal modules as subsystems for now
-        if subsystem is not None:
-            deps += ' ' + subsystem
-
+        # Do not create modules for disabled subsystems
+        if subsystem and GET_TARGET_TYPE(bld, subsystem) == 'DISABLED':
+            return
         bld.SAMBA_SUBSYSTEM(modname, source,
                     deps=deps,
                     includes=includes,
@@ -341,6 +423,7 @@ def SAMBA_MODULE(bld, modname, source,
                     autoproto_extra_source=autoproto_extra_source,
                     cflags=cflags,
                     local_include=local_include,
+                    global_include=global_include,
                     enabled=enabled)
 
         bld.ADD_INIT_FUNCTION(subsystem, modname, init_function)
@@ -350,39 +433,45 @@ def SAMBA_MODULE(bld, modname, source,
         SET_TARGET_TYPE(bld, modname, 'DISABLED')
         return
 
-    modnames = [modname] + TO_LIST(aliases)
-    for modname in modnames:
-        obj_target = modname + '.objlist'
-
-        realname = modname
-        if subsystem is not None:
-            deps += ' ' + subsystem
-            while realname.startswith("lib"+subsystem+"_"):
-                realname = realname[len("lib"+subsystem+"_"):]
-            while realname.startswith(subsystem+"_"):
-                realname = realname[len(subsystem+"_"):]
-
-        realname = bld.env.shlib_PATTERN % realname
-        while realname.startswith("lib"):
-            realname = realname[len("lib"):]
-
-        build_link_name = "modules/%s/%s" % (subsystem, realname)
-
-        if init_function:
-            cflags += " -D%s=samba_init_module" % init_function
-
-        bld.SAMBA_LIBRARY(modname,
-                          source,
-                          deps=deps,
-                          cflags=cflags,
-                          realname = realname,
-                          autoproto = autoproto,
-                          local_include=local_include,
-                          vars=vars,
-                          link_name=build_link_name,
-                          install_path="${MODULESDIR}/%s" % subsystem,
-                          pyembed=pyembed,
-                          )
+    # Do not create modules for disabled subsystems
+    if subsystem and GET_TARGET_TYPE(bld, subsystem) == 'DISABLED':
+        return
+
+    obj_target = modname + '.objlist'
+
+    realname = modname
+    if subsystem is not None:
+        deps += ' ' + subsystem
+        while realname.startswith("lib"+subsystem+"_"):
+            realname = realname[len("lib"+subsystem+"_"):]
+        while realname.startswith(subsystem+"_"):
+            realname = realname[len(subsystem+"_"):]
+
+    realname = bld.make_libname(realname)
+    while realname.startswith("lib"):
+        realname = realname[len("lib"):]
+
+    build_link_name = "modules/%s/%s" % (subsystem, realname)
+
+    if init_function:
+        cflags += " -D%s=%s" % (init_function, module_init_name)
+
+    bld.SAMBA_LIBRARY(modname,
+                      source,
+                      deps=deps,
+                      includes=includes,
+                      cflags=cflags,
+                      realname = realname,
+                      autoproto = autoproto,
+                      local_include=local_include,
+                      global_include=global_include,
+                      vars=vars,
+                      link_name=build_link_name,
+                      install_path="${MODULESDIR}/%s" % subsystem,
+                      pyembed=pyembed,
+                      allow_undefined_symbols=allow_undefined_symbols
+                      )
+
 
 Build.BuildContext.SAMBA_MODULE = SAMBA_MODULE
 
@@ -393,23 +482,27 @@ def SAMBA_SUBSYSTEM(bld, modname, source,
                     public_deps='',
                     includes='',
                     public_headers=None,
+                    public_headers_install=True,
                     header_path=None,
                     cflags='',
                     cflags_end=None,
                     group='main',
-                    init_function_sentinal=None,
+                    init_function_sentinel=None,
                     autoproto=None,
                     autoproto_extra_source='',
                     depends_on='',
                     local_include=True,
                     local_include_first=True,
+                    global_include=True,
                     subsystem_name=None,
                     enabled=True,
                     use_hostcc=False,
                     use_global_deps=True,
                     vars=None,
+                    subdir=None,
                     hide_symbols=False,
-                    pyext=False):
+                    pyext=False,
+                    pyembed=False):
     '''define a Samba subsystem'''
 
     if not enabled:
@@ -425,6 +518,8 @@ def SAMBA_SUBSYSTEM(bld, modname, source,
         return
 
     source = bld.EXPAND_VARIABLES(source, vars=vars)
+    if subdir:
+        source = bld.SUBDIR(subdir, source)
     source = unique_list(TO_LIST(source))
 
     deps += ' ' + public_deps
@@ -434,6 +529,8 @@ def SAMBA_SUBSYSTEM(bld, modname, source,
     features = 'cc'
     if pyext:
         features += ' pyext'
+    if pyembed:
+        features += ' pyembed'
 
     t = bld(
         features       = features,
@@ -445,9 +542,10 @@ def SAMBA_SUBSYSTEM(bld, modname, source,
         samba_includes = includes,
         local_include  = local_include,
         local_include_first  = local_include_first,
+        global_include = global_include,
         samba_subsystem= subsystem_name,
         samba_use_hostcc = use_hostcc,
-        samba_use_global_deps = use_global_deps
+        samba_use_global_deps = use_global_deps,
         )
 
     if cflags_end is not None:
@@ -456,7 +554,8 @@ def SAMBA_SUBSYSTEM(bld, modname, source,
     if autoproto is not None:
         bld.SAMBA_AUTOPROTO(autoproto, source + TO_LIST(autoproto_extra_source))
     if public_headers is not None:
-        bld.PUBLIC_HEADERS(public_headers, header_path=header_path)
+        bld.PUBLIC_HEADERS(public_headers, header_path=header_path,
+                           public_headers_install=public_headers_install)
     return t
 
 
@@ -466,6 +565,7 @@ Build.BuildContext.SAMBA_SUBSYSTEM = SAMBA_SUBSYSTEM
 def SAMBA_GENERATOR(bld, name, rule, source='', target='',
                     group='generators', enabled=True,
                     public_headers=None,
+                    public_headers_install=True,
                     header_path=None,
                     vars=None,
                     always=False):
@@ -486,13 +586,16 @@ def SAMBA_GENERATOR(bld, name, rule, source='', target='',
         on_results=True,
         before='cc',
         ext_out='.c',
+        samba_type='GENERATOR',
+        dep_vars = [rule] + (vars or []),
         name=name)
 
     if always:
         t.always = True
 
     if public_headers is not None:
-        bld.PUBLIC_HEADERS(public_headers, header_path=header_path)
+        bld.PUBLIC_HEADERS(public_headers, header_path=header_path,
+                           public_headers_install=public_headers_install)
     return t
 Build.BuildContext.SAMBA_GENERATOR = SAMBA_GENERATOR
 
@@ -506,6 +609,7 @@ def SETUP_BUILD_GROUPS(bld):
     bld.env['USING_BUILD_GROUPS'] = True
     bld.add_group('setup')
     bld.add_group('build_compiler_source')
+    bld.add_group('vscripts')
     bld.add_group('base_libraries')
     bld.add_group('generators')
     bld.add_group('compiler_prototypes')
@@ -513,8 +617,12 @@ def SETUP_BUILD_GROUPS(bld):
     bld.add_group('build_compilers')
     bld.add_group('build_source')
     bld.add_group('prototypes')
+    bld.add_group('headers')
     bld.add_group('main')
+    bld.add_group('symbolcheck')
+    bld.add_group('libraries')
     bld.add_group('binaries')
+    bld.add_group('syslibcheck')
     bld.add_group('final')
 Build.BuildContext.SETUP_BUILD_GROUPS = SETUP_BUILD_GROUPS
 
@@ -544,17 +652,6 @@ def ENABLE_TIMESTAMP_DEPENDENCIES(conf):
     Utils.h_file = h_file
 
 
-
-t = Task.simple_task_type('copy_script', 'rm -f ${LINK_TARGET} && ln -s ${SRC[0].abspath(env)} ${LINK_TARGET}',
-                          shell=True, color='PINK', ext_in='.bin')
-t.quiet = True
-
-@feature('copy_script')
-@before('apply_link')
-def copy_script(self):
-    tsk = self.create_task('copy_script', self.allnodes[0])
-    tsk.env.TARGET = self.target
-
 def SAMBA_SCRIPT(bld, name, pattern, installdir, installname=None):
     '''used to copy scripts from the source tree into the build directory
        for use by selftest'''
@@ -569,16 +666,40 @@ def SAMBA_SCRIPT(bld, name, pattern, installdir, installname=None):
         target = os.path.join(installdir, iname)
         tgtdir = os.path.dirname(os.path.join(bld.srcnode.abspath(bld.env), '..', target))
         mkdir_p(tgtdir)
-        t = bld(features='copy_script',
-                source       = s,
-                target       = target,
-                always       = True,
-                install_path = None)
-        t.env.LINK_TARGET = target
-
+        link_src = os.path.normpath(os.path.join(bld.curdir, s))
+        link_dst = os.path.join(tgtdir, os.path.basename(iname))
+        if os.path.islink(link_dst) and os.readlink(link_dst) == link_src:
+            continue
+        if os.path.exists(link_dst):
+            os.unlink(link_dst)
+        Logs.info("symlink: %s -> %s/%s" % (s, installdir, iname))
+        os.symlink(link_src, link_dst)
 Build.BuildContext.SAMBA_SCRIPT = SAMBA_SCRIPT
 
 
+def copy_and_fix_python_path(task):
+    pattern='sys.path.insert(0, "bin/python")'
+    if task.env["PYTHONARCHDIR"] in sys.path and task.env["PYTHONDIR"] in sys.path:
+        replacement = ""
+    elif task.env["PYTHONARCHDIR"] == task.env["PYTHONDIR"]:
+        replacement="""sys.path.insert(0, "%s")""" % task.env["PYTHONDIR"]
+    else:
+        replacement="""sys.path.insert(0, "%s")
+sys.path.insert(1, "%s")""" % (task.env["PYTHONARCHDIR"], task.env["PYTHONDIR"])
+
+    installed_location=task.outputs[0].bldpath(task.env)
+    source_file = open(task.inputs[0].srcpath(task.env))
+    installed_file = open(installed_location, 'w')
+    for line in source_file:
+        newline = line
+        if pattern in line:
+            newline = line.replace(pattern, replacement)
+        installed_file.write(newline)
+    installed_file.close()
+    os.chmod(installed_location, 0755)
+    return 0
+
+
 def install_file(bld, destdir, file, chmod=MODE_644, flat=False,
                  python_fixup=False, destname=None, base_name=None):
     '''install a file'''
@@ -591,16 +712,12 @@ def install_file(bld, destdir, file, chmod=MODE_644, flat=False,
     if python_fixup:
         # fixup the python path it will use to find Samba modules
         inst_file = file + '.inst'
-        if bld.env["PYTHONDIR"] not in sys.path:
-            regex = "s|\(sys.path.insert.*\)bin/python\(.*\)$|\\1${PYTHONDIR}\\2|g"
-        else:
-            # Eliminate updating sys.path if the target python dir is already
-            # in python path.
-            regex = "s|sys.path.insert.*bin/python.*$||g"
         bld.SAMBA_GENERATOR('python_%s' % destname,
-                            rule="sed '%s' < ${SRC} > ${TGT}" % regex,
+                            rule=copy_and_fix_python_path,
                             source=file,
                             target=inst_file)
+        bld.add_manual_dependency(bld.path.find_or_declare(inst_file), bld.env["PYTHONARCHDIR"])
+        bld.add_manual_dependency(bld.path.find_or_declare(inst_file), bld.env["PYTHONDIR"])
         file = inst_file
     if base_name:
         file = os.path.join(base_name, file)
@@ -645,218 +762,6 @@ def INSTALL_DIRS(bld, destdir, dirs):
 Build.BuildContext.INSTALL_DIRS = INSTALL_DIRS
 
 
-re_header = re.compile('#include[ \t]*"([^"]+)"', re.I | re.M)
-class header_task(Task.Task):
-    """
-    The public headers (the one installed on the system) have both
-    different paths and contents, so the rename is not enough.
-
-    Intermediate .inst.h files are created because path manipulation
-    may be slow. The substitution is thus performed only once.
-    """
-
-    name = 'header'
-    color = 'PINK'
-    vars = ['INCLUDEDIR', 'HEADER_DEPS']
-
-    def run(self):
-        txt = self.inputs[0].read(self.env)
-
-        # hard-coded string, but only present in samba4 (I promise, you won't feel a thing)
-        txt = txt.replace('#if _SAMBA_BUILD_ == 4', '#if 1\n')
-
-        # use a regexp to substitute the #include lines in the files
-        map = self.generator.bld.hnodemap
-        dirnodes = self.generator.bld.hnodedirs
-        def repl(m):
-            if m.group(1):
-                s = m.group(1)
-
-                # pokemon headers: gotta catch'em all!
-                fin = s
-                if s.startswith('bin/default'):
-                    node = self.generator.bld.srcnode.find_resource(s.replace('bin/default/', ''))
-                    if not node:
-                        Logs.warn('could not find the public header for %r' % s)
-                    elif node.id in map:
-                        fin = map[node.id]
-                    else:
-                        Logs.warn('could not find the public header replacement for build header %r' % s)
-                else:
-                    # this part is more difficult since the path may be relative to anything
-                    for dirnode in dirnodes:
-                        node = dirnode.find_resource(s)
-                        if node:
-                             if node.id in map:
-                                 fin = map[node.id]
-                                 break
-                             else:
-                                 Logs.warn('could not find the public header replacement for source header %r %r' % (s, node))
-                    else:
-                        Logs.warn('-> could not find the public header for %r' % s)
-
-                return "#include <%s>" % fin
-            return ''
-
-        txt = re_header.sub(repl, txt)
-
-        # and write the output file
-        f = None
-        try:
-            f = open(self.outputs[0].abspath(self.env), 'w')
-            f.write(txt)
-        finally:
-            if f:
-                f.close()
-
-@TaskGen.feature('pubh')
-def make_public_headers(self):
-    """
-    collect the public headers to process and to install, then
-    create the substitutions (name and contents)
-    """
-
-    if not self.bld.is_install:
-        # install time only (lazy)
-        return
-
-    # keep two variables
-    #    hnodedirs: list of folders for searching the headers
-    #    hnodemap: node ids and replacement string (node objects are unique)
-    try:
-        self.bld.hnodedirs.append(self.path)
-    except AttributeError:
-        self.bld.hnodemap = {}
-        self.bld.hnodedirs = [self.bld.srcnode, self.path]
-
-        for k in 'source4 source4/include lib/talloc lib/tevent/ source4/lib/ldb/include/'.split():
-            node = self.bld.srcnode.find_dir(k)
-            if node:
-                self.bld.hnodedirs.append(node)
-
-    header_path = getattr(self, 'header_path', None) or ''
-
-    for x in self.to_list(self.headers):
-
-        # too complicated, but what was the original idea?
-        if isinstance(header_path, list):
-            add_dir = ''
-            for (p1, dir) in header_path:
-                lst = self.to_list(p1)
-                for p2 in lst:
-                    if fnmatch.fnmatch(x, p2):
-                        add_dir = dir
-                        break
-                else:
-                    continue
-                break
-            inst_path = add_dir
-        else:
-            inst_path = header_path
-
-        dest = ''
-        name = x
-        if x.find(':') != -1:
-            s = x.split(':')
-            name = s[0]
-            dest = s[1]
-
-        inn = self.path.find_resource(name)
-
-        if not inn:
-            raise ValueError("could not find the public header %r in %r" % (name, self.path))
-        out = inn.change_ext('.inst.h')
-        self.create_task('header', inn, out)
-
-        if not dest:
-            dest = inn.name
-
-        if inst_path:
-            inst_path = inst_path + '/'
-        inst_path = inst_path + dest
-
-        self.bld.install_as('${INCLUDEDIR}/%s' % inst_path, out, self.env)
-
-        self.bld.hnodemap[inn.id] = inst_path
-
-    # create a hash (not md5) to make sure the headers are re-created if something changes
-    val = 0
-    lst = list(self.bld.hnodemap.keys())
-    lst.sort()
-    for k in lst:
-        val = hash((val, k, self.bld.hnodemap[k]))
-    self.bld.env.HEADER_DEPS = val
-
-def PUBLIC_HEADERS(bld, public_headers, header_path=None):
-    '''install some headers
-
-    header_path may either be a string that is added to the INCLUDEDIR,
-    or it can be a dictionary of wildcard patterns which map to destination
-    directories relative to INCLUDEDIR
-    '''
-    bld.SET_BUILD_GROUP('final')
-    ret = bld(features=['pubh'], headers=public_headers, header_path=header_path)
-    return ret
-Build.BuildContext.PUBLIC_HEADERS = PUBLIC_HEADERS
-
-
-def subst_at_vars(task):
-    '''substiture @VAR@ style variables in a file'''
-    src = task.inputs[0].srcpath(task.env)
-    tgt = task.outputs[0].bldpath(task.env)
-
-    f = open(src, 'r')
-    s = f.read()
-    f.close()
-    # split on the vars
-    a = re.split('(@\w+@)', s)
-    out = []
-    done_var = {}
-    back_sub = [ ('PREFIX', '${prefix}'), ('EXEC_PREFIX', '${exec_prefix}')]
-    for v in a:
-        if re.match('@\w+@', v):
-            vname = v[1:-1]
-            if not vname in task.env and vname.upper() in task.env:
-                vname = vname.upper()
-            if not vname in task.env:
-                Logs.error("Unknown substitution %s in %s" % (v, task.name))
-                sys.exit(1)
-            v = SUBST_VARS_RECURSIVE(task.env[vname], task.env)
-            # now we back substitute the allowed pc vars
-            for (b, m) in back_sub:
-                s = task.env[b]
-                if s == v[0:len(s)]:
-                    if not b in done_var:
-                        # we don't want to substitute the first usage
-                        done_var[b] = True
-                    else:
-                        v = m + v[len(s):]
-                    break
-        out.append(v)
-    contents = ''.join(out)
-    f = open(tgt, 'w')
-    s = f.write(contents)
-    f.close()
-    return 0
-
-
-
-def PKG_CONFIG_FILES(bld, pc_files, vnum=None):
-    '''install some pkg_config pc files'''
-    dest = '${PKGCONFIGDIR}'
-    dest = bld.EXPAND_VARIABLES(dest)
-    for f in TO_LIST(pc_files):
-        base=os.path.basename(f)
-        t = bld.SAMBA_GENERATOR('PKGCONFIG_%s' % base,
-                                rule=subst_at_vars,
-                                source=f+'.in',
-                                target=f)
-        if vnum:
-            t.env.PACKAGE_VERSION = vnum
-        INSTALL_FILES(bld, dest, f, flat=True, destname=base)
-Build.BuildContext.PKG_CONFIG_FILES = PKG_CONFIG_FILES
-
-
 def MANPAGES(bld, manpages):
     '''build and install manual pages'''
     bld.env.MAN_XSL = 'http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl'
@@ -902,6 +807,9 @@ def samba_display(self):
         if target_type in type_map:
             return progress_display(self, type_map[target_type], self.name)
 
+    if len(self.inputs) == 0:
+        return Task.Task.old_display(self)
+
     fname = self.inputs[0].bldpath(self.env)
     if fname[0:3] == '../':
         fname = fname[3:]
@@ -920,3 +828,15 @@ def samba_display(self):
 
 Task.TaskBase.classes['Task'].old_display = Task.TaskBase.classes['Task'].display
 Task.TaskBase.classes['Task'].display = samba_display
+
+
+@after('apply_link')
+@feature('cshlib')
+def apply_bundle_remove_dynamiclib_patch(self):
+    if self.env['MACBUNDLE'] or getattr(self,'mac_bundle',False):
+        if not getattr(self,'vnum',None):
+            try:
+                self.env['LINKFLAGS'].remove('-dynamiclib')
+                self.env['LINKFLAGS'].remove('-single_module')
+            except ValueError:
+                pass