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# a waf tool to add autoconf-like macros to the configure section
# and for SAMBA_ macros for building libraries, binaries etc
import Build
from Configure import conf
####################################################
# some autoconf like helpers, to make the transition
# to waf a bit easier for those used to autoconf
# m4 files
@conf
def DEFUN(conf, d, v):
conf.define(d, v, quote=False)
conf.env.append_value('CCDEFINES', d + '=' + str(v))
@conf
def CHECK_HEADERS(conf, list):
for hdr in list.split():
if conf.check(header_name=hdr):
conf.env.hlist.append(hdr)
@conf
def CHECK_TYPES(conf, list):
for t in list.split():
conf.check(type_name=t, header_name=conf.env.hlist)
@conf
def CHECK_TYPE_IN(conf, t, hdr):
if conf.check(header_name=hdr):
conf.check(type_name=t, header_name=hdr)
@conf
def CHECK_TYPE(conf, t, alternate):
if not conf.check(type_name=t, header_name=conf.env.hlist):
conf.DEFUN(t, alternate)
@conf
def CHECK_FUNCS(conf, list):
for f in list.split():
conf.check(function_name=f, header_name=conf.env.hlist)
@conf
def CHECK_FUNCS_IN(conf, list, library):
if conf.check(lib=library, uselib_store=library):
for f in list.split():
conf.check(function_name=f, lib=library, header_name=conf.env.hlist)
#################################################
# write out config.h in the right directory
@conf
def SAMBA_CONFIG_H(conf):
import os
if os.path.normpath(conf.curdir) == os.path.normpath(conf.srcdir):
conf.write_config_header('config.h')
################################################################
# magic rpath handling
#
# we want a different rpath when installing and when building
# Note that this should really check if rpath is available on this platform
# and it should also honor an --enable-rpath option
def set_rpath(bld):
import Options
if Options.is_install:
bld.env['RPATH'] = ['-Wl,-rpath=' + bld.env.PREFIX + '/lib']
else:
bld.env.append_value('RPATH', '-Wl,-rpath=build/default')
Build.BuildContext.set_rpath = set_rpath
################################################################
# create a list of files by pre-pending each with a subdir name
def SUBDIR(bld, subdir, list):
ret = ''
for l in list.split():
ret = ret + subdir + '/' + l + ' '
return ret
Build.BuildContext.SUBDIR = SUBDIR
################################################################
# this will contain the set of includes needed per Samba library
Build.BuildContext.SAMBA_LIBRARY_INCLUDES = {}
################################################################
# this will contain the library dependencies of each Samba library
Build.BuildContext.SAMBA_LIBRARY_DEPS = {}
#################################################################
# return a include list for a set of library dependencies
def SAMBA_LIBRARY_INCLUDE_LIST(bld, libdeps):
ret = bld.curdir + ' '
for l in libdeps.split():
if l in bld.SAMBA_LIBRARY_INCLUDES:
ret = ret + bld.SAMBA_LIBRARY_INCLUDES[l] + ' '
return ret
Build.BuildContext.SAMBA_LIBRARY_INCLUDE_LIST = SAMBA_LIBRARY_INCLUDE_LIST
#################################################################
# define a Samba library
def SAMBA_LIBRARY(bld, libname, source_list,
libdeps='', include_list='.', vnum=None):
ilist = bld.SAMBA_LIBRARY_INCLUDE_LIST(libdeps) + bld.SUBDIR(bld.curdir, include_list)
bld(
features = 'cc cshlib',
source = source_list,
target=libname,
includes='. ' + ilist,
vnum=vnum)
bld.SAMBA_LIBRARY_INCLUDES[libname] = ilist
Build.BuildContext.SAMBA_LIBRARY = SAMBA_LIBRARY
#################################################################
# define a Samba binary
def SAMBA_BINARY(bld, binname, source_list, libdeps='', include_list=''):
bld(
features = 'cc cprogram',
source = source_list,
target = binname,
uselib_local = libdeps,
includes = '. ' + bld.SAMBA_LIBRARY_INCLUDE_LIST(libdeps) + include_list)
Build.BuildContext.SAMBA_BINARY = SAMBA_BINARY
############################################################
# this overrides the 'waf -v' debug output to be in a nice
# unix like format instead of a python list.
# Thanks to ita on #waf for this
def exec_command(self, cmd, **kw):
import Utils, Logs
_cmd = cmd
if isinstance(cmd, list):
_cmd = ' '.join(cmd)
Logs.debug('runner: %s' % _cmd)
if self.log:
self.log.write('%s\n' % cmd)
kw['log'] = self.log
try:
if not kw.get('cwd', None):
kw['cwd'] = self.cwd
except AttributeError:
self.cwd = kw['cwd'] = self.bldnode.abspath()
return Utils.exec_command(cmd, **kw)
Build.BuildContext.exec_command = exec_command
######################################################
# this is used as a decorator to make functions only
# run once. Based on the idea from
# http://stackoverflow.com/questions/815110/is-there-a-decorator-to-simply-cache-function-return-values
runonce_ret = {}
def runonce(function):
def wrapper(*args):
if args in runonce_ret:
return runonce_ret[args]
else:
ret = function(*args)
runonce_ret[args] = ret
return ret
return wrapper
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