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-rw-r--r--buildtools/wafsamba/samba_autoconf.py84
-rw-r--r--buildtools/wafsamba/wscript1
2 files changed, 69 insertions, 16 deletions
diff --git a/buildtools/wafsamba/samba_autoconf.py b/buildtools/wafsamba/samba_autoconf.py
index c7c04f6364..4ee0852b75 100644
--- a/buildtools/wafsamba/samba_autoconf.py
+++ b/buildtools/wafsamba/samba_autoconf.py
@@ -32,6 +32,43 @@ def hlist_to_string(conf, headers=None):
return hdrs
+@conf
+def COMPOUND_START(conf, msg):
+ '''start a compound test'''
+ def null_check_message_1(self,*k,**kw):
+ return
+ def null_check_message_2(self,*k,**kw):
+ return
+
+ v = getattr(conf.env, 'in_compound', [])
+ if v != [] and v != 0:
+ conf.env.in_compound = v + 1
+ return
+ conf.check_message_1(msg)
+ conf.saved_check_message_1 = conf.check_message_1
+ conf.check_message_1 = null_check_message_1
+ conf.saved_check_message_2 = conf.check_message_2
+ conf.check_message_2 = null_check_message_2
+ conf.env.in_compound = 1
+
+
+@conf
+def COMPOUND_END(conf, result):
+ '''start a compound test'''
+ conf.env.in_compound -= 1
+ if conf.env.in_compound != 0:
+ return
+ conf.check_message_1 = conf.saved_check_message_1
+ conf.check_message_2 = conf.saved_check_message_2
+ p = conf.check_message_2
+ if result == True:
+ p('ok ')
+ elif result == False:
+ p('not found', 'YELLOW')
+ else:
+ p(result)
+
+
@feature('nolink')
def nolink(self):
'''using the nolink type in conf.check() allows us to avoid
@@ -191,27 +228,27 @@ def CHECK_FUNC(conf, f, link=True, lib=None, headers=None):
'''check for a function'''
define='HAVE_%s' % f.upper()
- # there are two ways to find a function. The first is
- # to see if there is a declaration of the function, the
- # 2nd is to try and link a program that calls the function
- # unfortunately both strategies have problems.
- # the 'check the declaration' approach works fine as long
- # as the function has a declaraion in a header. If there is
- # no header declaration we can get a false negative.
- # The link method works fine as long as the compiler
- # doesn't have a builtin for the function, which could cause
- # a false negative due to mismatched parameters
- # so to be sure, we need to try both
ret = False
+ conf.COMPOUND_START('Checking for %s' % f)
+
if link is None or link == True:
ret = CHECK_CODE(conf,
- '''int main(void) {
- #ifndef %s
- extern void %s(void); %s();
+ # this is based on the autoconf strategy
+ '''
+ #define %s __fake__%s
+ #ifdef HAVE_LIMITS_H
+ # include <limits.h>
+ #else
+ # include <assert.h>
#endif
- return 0;
- }''' % (f, f, f),
+ #undef %s
+ #if defined __stub_%s || defined __stub___%s
+ #error "bad glibc stub"
+ #endif
+ extern char %s();
+ int main() { return %s(); }
+ ''' % (f, f, f, f, f, f, f),
execute=False,
link=True,
addmain=False,
@@ -222,11 +259,26 @@ def CHECK_FUNC(conf, f, link=True, lib=None, headers=None):
headers=headers,
msg='Checking for %s' % f)
+ if not ret:
+ ret = CHECK_CODE(conf,
+ # it might be a macro
+ 'void *__x = (void *)%s' % f,
+ execute=False,
+ link=True,
+ addmain=True,
+ add_headers=True,
+ define=define,
+ local_include=False,
+ lib=lib,
+ headers=headers,
+ msg='Checking for macro %s' % f)
+
if not ret and (link is None or link == False):
ret = CHECK_VARIABLE(conf, f,
define=define,
headers=headers,
msg='Checking for declaration of %s' % f)
+ conf.COMPOUND_END(ret)
return ret
diff --git a/buildtools/wafsamba/wscript b/buildtools/wafsamba/wscript
index bf2488a880..89046f578f 100644
--- a/buildtools/wafsamba/wscript
+++ b/buildtools/wafsamba/wscript
@@ -127,6 +127,7 @@ def configure(conf):
add_headers=True)
conf.CHECK_HEADERS('strings.h inttypes.h stdint.h unistd.h minix/config.h', add_headers=True)
conf.CHECK_HEADERS('ctype.h standards.h stdbool.h stdint.h stdarg.h vararg.h', add_headers=True)
+ conf.CHECK_HEADERS('limits.h assert.h')
# see if we need special largefile flags
conf.CHECK_LARGEFILE()