From 5ad6369cd0b132935cc874c942ffffa0c4405101 Mon Sep 17 00:00:00 2001
From: Andrew Tridgell <tridge@samba.org>
Date: Fri, 26 Feb 2010 22:21:50 +1100
Subject: build: started to split up wafsamba.py into separate modules

---
 buildtools/wafsamba/samba_autoconf.py | 137 ++++++++++++++++++++++++++++++++++
 1 file changed, 137 insertions(+)
 create mode 100644 buildtools/wafsamba/samba_autoconf.py

(limited to 'buildtools/wafsamba/samba_autoconf.py')

diff --git a/buildtools/wafsamba/samba_autoconf.py b/buildtools/wafsamba/samba_autoconf.py
new file mode 100644
index 0000000000..e6f5985e15
--- /dev/null
+++ b/buildtools/wafsamba/samba_autoconf.py
@@ -0,0 +1,137 @@
+# a waf tool to add autoconf-like macros to the configure section
+
+import Build, os, Logs, sys, Configure, Options
+import string, Task, Utils, optparse
+from Configure import conf
+from Logs import debug
+from TaskGen import extension
+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):
+    conf.define(d, v, quote=False)
+    conf.env.append_value('CCDEFINES', d + '=' + str(v))
+
+@runonce
+def CHECK_HEADER(conf, h):
+    if conf.check(header_name=h):
+        conf.env.hlist.append(h)
+
+@conf
+def CHECK_HEADERS(conf, list):
+    for hdr in list.split():
+        CHECK_HEADER(conf, 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.DEFINE(t, alternate)
+
+@conf
+def CHECK_VARIABLE(conf, v):
+    hdrs=''
+    for h in conf.env.hlist:
+        hdrs += '#include <%s>\n' % h
+    if conf.check(fragment=
+                  '%s\nint main(void) {void *_x; _x=(void *)&%s; return 0;}\n' % (hdrs, v),
+                  execute=0,
+                  msg="Checking for variable %s" % v):
+        conf.DEFINE('HAVE_%s' % v.upper(), 1)
+
+@runonce
+def CHECK_FUNC(conf, f):
+    conf.check(function_name=f, header_name=conf.env.hlist)
+
+
+@conf
+def CHECK_FUNCS(conf, list):
+    for f in list.split():
+        CHECK_FUNC(conf, f)
+
+
+#################################################
+# return True if a configuration option was found
+@conf
+def CONFIG_SET(conf, option):
+    return (option in conf.env) and (conf.env[option] != ())
+Build.BuildContext.CONFIG_SET = CONFIG_SET
+
+
+###########################################################
+# check that the functions in 'list' are available in 'library'
+# if they are, then make that library available as a dependency
+#
+# if the library is not available and mandatory==True, then
+# raise an error.
+#
+# If the library is not available and mandatory==False, then
+# add the library to the list of dependencies to remove from
+# build rules
+@conf
+def CHECK_FUNCS_IN(conf, list, library, mandatory=False):
+    if not conf.check(lib=library, uselib_store=library):
+        conf.ASSERT(not mandatory,
+                    "Mandatory library '%s' not found for functions '%s'" % (library, list))
+        # if it isn't a mandatory library, then remove it from dependency lists
+        LOCAL_CACHE_SET(conf, 'EMPTY_TARGETS', library.upper(), True)
+        return
+    for f in list.split():
+        conf.check(function_name=f, lib=library, header_name=conf.env.hlist)
+    conf.env['LIB_' + library.upper()] = library
+    LOCAL_CACHE_SET(conf, 'TARGET_TYPE', library, 'SYSLIB')
+
+
+#################################################
+# write out config.h in the right directory
+@conf
+def SAMBA_CONFIG_H(conf, path=None):
+    if os.path.normpath(conf.curdir) != os.path.normpath(os.environ.get('PWD')):
+        return
+    if path is None:
+        conf.write_config_header('config.h', top=True)
+    else:
+        conf.write_config_header(path)
+
+
+##############################################################
+# setup a configurable path
+@conf
+def CONFIG_PATH(conf, name, default):
+    if not name in conf.env:
+        conf.env[name] = conf.env['PREFIX'] + default
+    conf.define(name, conf.env[name], quote=True)
+
+##############################################################
+# add some CFLAGS to the command line
+@conf
+def ADD_CFLAGS(conf, flags):
+    if not 'EXTRA_CFLAGS' in conf.env:
+        conf.env['EXTRA_CFLAGS'] = []
+    conf.env['EXTRA_CFLAGS'].extend(flags.split())
+
+
+##############################################################
+# work out the current flags. local flags are added first
+def CURRENT_CFLAGS(bld, cflags):
+    if not 'EXTRA_CFLAGS' in bld.env:
+        list = []
+    else:
+        list = bld.env['EXTRA_CFLAGS'];
+    ret = cflags.split()
+    ret.extend(list)
+    return ret
-- 
cgit