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s4-waf: support the use of system libraries

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distros can set --bundled-libraries=NONE to force use of all system
libraries. If the right version isn't found then configure will fail.

Users may choose which libraries to use from the system, and which to
use bundled libs. The default is to try system libs, and use them if
their version matches the one in the source tree.
This commit is contained in:
Andrew Tridgell 2010-03-28 16:38:27 +11:00
parent 505e902436
commit bfbf43cc36
7 changed files with 71 additions and 28 deletions
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17
buildtools/wafsamba/samba_autoconf.py
View File

@ -399,8 +399,9 @@ def CHECK_LIB(conf, libs, mandatory=False):
(ccflags, ldflags) = library_flags(conf, lib)
if not conf.check(lib=lib, uselib_store=lib, ccflags=ccflags, ldflags=ldflags):
conf.ASSERT(not mandatory,
"Mandatory library '%s' not found for functions '%s'" % (lib, list))
if mandatory:
print("Mandatory library '%s' not found for functions '%s'" % (lib, list))
sys.exit(1)
# if it isn't a mandatory library, then remove it from dependency lists
SET_TARGET_TYPE(conf, lib, 'EMPTY')
ret = False
@ -449,8 +450,9 @@ def CHECK_FUNCS_IN(conf, list, library, mandatory=False, checklibc=False, header
conf.CHECK_LIB(liblist)
for lib in liblist[:]:
if not GET_TARGET_TYPE(conf, lib) == 'SYSLIB':
conf.ASSERT(not mandatory,
"Mandatory library '%s' not found for functions '%s'" % (lib, list))
if mandatory:
print("Mandatory library '%s' not found for functions '%s'" % (lib, list))
sys.exit(1)
# if it isn't a mandatory library, then remove it from dependency lists
liblist.remove(lib)
continue
@ -462,6 +464,11 @@ def CHECK_FUNCS_IN(conf, list, library, mandatory=False, checklibc=False, header
return ret
@conf
def IN_LAUNCH_DIR(conf):
'''return True if this rule is being run from the launch directory'''
return os.path.realpath(conf.curdir) == os.path.realpath(Options.launch_dir)
#################################################
# write out config.h in the right directory
@ -469,7 +476,7 @@ def CHECK_FUNCS_IN(conf, list, library, mandatory=False, checklibc=False, header
def SAMBA_CONFIG_H(conf, path=None):
# we don't want to produce a config.h in places like lib/replace
# when we are building projects that depend on lib/replace
if os.path.realpath(conf.curdir) != os.path.realpath(Options.launch_dir):
if not IN_LAUNCH_DIR(conf):
return
if Options.options.developer:

15
buildtools/wafsamba/samba_bundled.py
View File

@ -40,3 +40,18 @@ def BUNDLED_EXTENSION_DEFAULT(opt, extension, noextenion=''):
Options.options['BUNDLED_EXTENSION_DEFAULT'] = extension
Options.options['BUNDLED_EXTENSION_EXCEPTION'] = noextenion
Options.Handler.BUNDLED_EXTENSION_DEFAULT = BUNDLED_EXTENSION_DEFAULT
@conf
def CHECK_BUNDLED_SYSTEM(conf, libname, minversion='0.0.0'):
if 'ALL' in conf.env.BUNDLED_LIBS or libname in conf.env.BUNDLED_LIBS:
return False
if conf.check_cfg(package=libname,
args='"%s >= %s" --cflags --libs' % (libname, minversion),
msg='Checking for system %s >= %s' % (libname, minversion)):
conf.SET_TARGET_TYPE(libname, 'SYSLIB')
return True
if 'NONE' in conf.env.BUNDLED_LIBS or '!'+libname in conf.env.BUNDLED_LIBS:
print('ERROR: System library %s of version %s not found, and bundling disabled' % (libname, minversion))
sys.exit(1)
return False

6
buildtools/wafsamba/wscript
View File

@ -12,7 +12,7 @@ def set_options(opt):
opt.tool_options('gnu_dirs')
opt.add_option('--bundled-libraries',
help=("list of bundled libraries. Can be 'NONE' or 'ALL' [auto]"),
help=("comma separated list of bundled libraries. May include !LIBNAME to disable bundling a library. Can be 'NONE' or 'ALL' [auto]"),
action="store", dest='BUNDLED_LIBS', default='')
extension_default = Options.options['BUNDLED_EXTENSION_DEFAULT']
@ -22,12 +22,12 @@ def set_options(opt):
extension_exception = Options.options['BUNDLED_EXTENSION_EXCEPTION']
opt.add_option('--bundled-extension-exception',
help=("list of libraries to not apply extension to [%s]" % extension_exception),
help=("comman separated list of libraries to not apply extension to [%s]" % extension_exception),
action="store", dest='BUNDLED_EXTENSION_EXCEPTION', default=extension_exception)
builtin_defauilt = Options.options['BUILTIN_LIBRARIES_DEFAULT']
opt.add_option('--builtin-libraries',
help=("list of libraries to build directly into binaries [%s]" % builtin_defauilt),
help=("command separated list of libraries to build directly into binaries [%s]" % builtin_defauilt),
action="store", dest='BUILTIN_LIBRARIES', default=builtin_defauilt)
opt.add_option('--libdir',

7
lib/talloc/wscript
View File

@ -18,11 +18,18 @@ def set_options(opt):
def configure(conf):
conf.sub_config(LIBREPLACE_DIR)
if conf.CHECK_BUNDLED_SYSTEM('talloc', minversion=VERSION):
conf.define('USING_SYSTEM_TALLOC', 1)
conf.SAMBA_CONFIG_H()
def build(bld):
bld.BUILD_SUBDIR(LIBREPLACE_DIR)
if not bld.CONFIG_SET('USING_SYSTEM_TALLOC'):
bld.SAMBA_LIBRARY('talloc',
'talloc.c',
deps='replace',

5
lib/tdb/wscript
View File

@ -19,6 +19,10 @@ def set_options(opt):
def configure(conf):
conf.sub_config(LIBREPLACE_DIR)
if conf.CHECK_BUNDLED_SYSTEM('tdb', minversion=VERSION):
conf.define('USING_SYSTEM_TDB', 1)
conf.SAMBA_CONFIG_H()
def build(bld):
@ -29,6 +33,7 @@ def build(bld):
freelistcheck.c lock.c dump.c freelist.c
io.c open.c transaction.c''')
if not bld.CONFIG_SET('USING_SYSTEM_TDB'):
bld.SAMBA_LIBRARY('tdb',
COMMON_SRC,
deps='replace rt',

5
lib/tevent/wscript
View File

@ -22,6 +22,9 @@ def configure(conf):
conf.sub_config(LIBREPLACE_DIR)
conf.sub_config(LIBTALLOC_DIR)
if conf.CHECK_BUNDLED_SYSTEM('tevent', minversion=VERSION):
conf.define('USING_SYSTEM_TEVENT', 1)
if conf.CHECK_FUNCS('epoll_create', headers='sys/epoll.h'):
conf.DEFINE('HAVE_EPOLL', 1)
@ -38,7 +41,9 @@ def build(bld):
if bld.CONFIG_SET('HAVE_EPOLL'):
SRC += ' tevent_epoll.c'
if not bld.CONFIG_SET('USING_SYSTEM_TEVENT'):
bld.SAMBA_LIBRARY('tevent',
SRC,
deps='replace talloc',
enabled= not bld.CONFIG_SET('USING_SYSTEM_TEVENT'),
vnum=VERSION)

4
source4/lib/ldb/wscript
View File

@ -27,7 +27,10 @@ def configure(conf):
s4_build = getattr(conf.env, '_SAMBA_BUILD_', 0) == 4
if not s4_build:
if conf.CHECK_BUNDLED_SYSTEM('ldb', minversion=VERSION):
conf.define('USING_SYSTEM_LDB', 1)
# we need this for the ldap backend
conf.CHECK_FUNCS_IN('ber_flush ldap_open', 'lber ldap', headers='lber.h ldap.h', mandatory=True)
@ -130,6 +133,7 @@ def build(bld):
if s4_build:
ldb_deps += ' LDBSAMBA POPT_CREDENTIALS POPT_SAMBA LIBCMDLINE_CREDENTIALS gensec'
if not bld.CONFIG_SET('USING_SYSTEM_LDB'):
bld.SAMBA_LIBRARY('ldb',
COMMON_SRC + ' ' + LDB_MAP_SRC,
deps=ldb_deps,