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authorAndrew Tridgell <tridge@samba.org>2010-03-07 16:05:08 +1100
committerAndrew Tridgell <tridge@samba.org>2010-04-06 20:26:43 +1000
commit6edb70c59ee87a29cc643542eb4aeb5508ec4877 (patch)
tree7c53bd15688cacc4bed5ad226f4af826521040c1 /buildtools/wafsamba
parent001068d26f4fcc8e16e460e8c9d2910271ca7156 (diff)
downloadsamba-6edb70c59ee87a29cc643542eb4aeb5508ec4877.tar.gz
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samba-6edb70c59ee87a29cc643542eb4aeb5508ec4877.zip
build: added help on fns
also added CHECK_STRUCTURE_MEMBER()
Diffstat (limited to 'buildtools/wafsamba')
-rw-r--r--buildtools/wafsamba/samba_autoconf.py48
1 files changed, 48 insertions, 0 deletions
diff --git a/buildtools/wafsamba/samba_autoconf.py b/buildtools/wafsamba/samba_autoconf.py
index 7eac7d955f..c5114e5a28 100644
--- a/buildtools/wafsamba/samba_autoconf.py
+++ b/buildtools/wafsamba/samba_autoconf.py
@@ -11,44 +11,55 @@ from samba_utils import *
# some autoconf like helpers, to make the transition
# to waf a bit easier for those used to autoconf
# m4 files
+
@runonce
@conf
def DEFINE(conf, d, v):
+ '''define a config option'''
conf.define(d, v, quote=False)
conf.env.append_value('CCDEFINES', d + '=' + str(v))
@runonce
def CHECK_HEADER(conf, h, add_headers=True):
+ '''check for a header'''
if conf.check(header_name=h) and add_headers:
conf.env.hlist.append(h)
return True
return False
+
@conf
def CHECK_HEADERS(conf, list, add_headers=True):
+ '''check for a list of headers'''
ret = True
for hdr in to_list(list):
if not CHECK_HEADER(conf, hdr, add_headers):
ret = False
return ret
+
@conf
def CHECK_TYPES(conf, list):
+ '''check for a list of types'''
ret = True
for t in to_list(list):
if not conf.check(type_name=t, header_name=conf.env.hlist):
ret = False
return ret
+
@conf
def CHECK_TYPE_IN(conf, t, hdr):
+ '''check for a type in a specific header'''
if conf.check(header_name=hdr):
conf.check(type_name=t, header_name=hdr)
return True
return False
+
@conf
def CHECK_TYPE(conf, t, alternate=None, headers=None, define=None):
+ '''check for a type with an alternate'''
if headers is None:
headers = conf.env.hlist
if define is not None:
@@ -59,8 +70,10 @@ def CHECK_TYPE(conf, t, alternate=None, headers=None, define=None):
conf.DEFINE(t, alternate)
return ret
+
@conf
def CHECK_VARIABLE(conf, v, define=None, always=False, headers=None):
+ '''check for a variable declaration (or define)'''
hdrs=''
if headers is not None:
hlist = to_list(headers)
@@ -108,19 +121,23 @@ def CHECK_DECLS(conf, vars, reverse=False, headers=None):
@runonce
def CHECK_FUNC(conf, f):
+ '''check for a function'''
return conf.check(function_name=f, header_name=conf.env.hlist)
@conf
def CHECK_FUNCS(conf, list):
+ '''check for a list of functions'''
ret = True
for f in to_list(list):
if not CHECK_FUNC(conf, f):
ret = False
return ret
+
@conf
def CHECK_SIZEOF(conf, vars, headers=None, define=None):
+ '''check the size of a type'''
hdrs=''
if headers is not None:
hlist = to_list(headers)
@@ -148,6 +165,37 @@ def CHECK_SIZEOF(conf, vars, headers=None, define=None):
msg="Checking size of %s" % v)
+@conf
+def CHECK_STRUCTURE_MEMBER(conf, structname, member,
+ always=False, define=None, headers=None):
+ '''check for a structure member'''
+ hdrs=''
+ if headers is not None:
+ hlist = to_list(headers)
+ else:
+ hlist = conf.env.hlist
+ for h in hlist:
+ hdrs += '#include <%s>\n' % h
+ if define is None:
+ define = 'HAVE_%s' % member.upper()
+ if conf.check(fragment=
+ '''
+ %s
+ int main(void) {
+ %s s;
+ void *_x; _x=(void *)&s.%s;
+ return 0;
+ }
+ ''' % (hdrs, structname, member),
+ execute=0,
+ msg="Checking for member %s in %s" % (member, structname)):
+ conf.DEFINE(define, 1)
+ return True
+ elif always:
+ conf.DEFINE(define, 0)
+ return False
+
+
#################################################
# return True if a configuration option was found
@conf