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authorAndrew Tridgell <tridge@samba.org>2010-03-27 21:29:18 +1100
committerAndrew Tridgell <tridge@samba.org>2010-04-06 20:27:11 +1000
commit9875be5511f0cb930fc02754d9c80be873f728c7 (patch)
tree41d14b5c3192184fff2da864d15225e162a736ea /buildtools/wafsamba
parent1ee19592f01ac63f3374160abe56fd60bbf75413 (diff)
downloadsamba-9875be5511f0cb930fc02754d9c80be873f728c7.tar.gz
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build: throw an error on all bad variable substitutions
Diffstat (limited to 'buildtools/wafsamba')
-rw-r--r--buildtools/wafsamba/samba_utils.py30
1 files changed, 18 insertions, 12 deletions
diff --git a/buildtools/wafsamba/samba_utils.py b/buildtools/wafsamba/samba_utils.py
index 753a6a7034..ab954649a9 100644
--- a/buildtools/wafsamba/samba_utils.py
+++ b/buildtools/wafsamba/samba_utils.py
@@ -1,7 +1,7 @@
# a waf tool to add autoconf-like macros to the configure section
# and for SAMBA_ macros for building libraries, binaries etc
-import Build, os, sys, Options, Utils, Task
+import Build, os, sys, Options, Utils, Task, re
from TaskGen import feature, before
from Configure import conf
from Logs import debug
@@ -228,14 +228,6 @@ if os_path_relpath is None:
return os.path.join(*rel_list)
-# this is a useful way of debugging some of the rules in waf
-from TaskGen import feature, after
-@feature('dbg')
-@after('apply_core', 'apply_obj_vars_cc')
-def dbg(self):
- if self.target == 'HEIMDAL_HEIM_ASN1':
- print "@@@@@@@@@@@@@@2", self.includes, self.env._CCINCFLAGS
-
def unique_list(seq):
'''return a uniquified list in the same order as the existing list'''
seen = {}
@@ -261,10 +253,25 @@ def TO_LIST(str):
return shlex.split(str)
return lst
+
+def subst_vars_error(string, env):
+ '''substitute vars, throw an error if a variable is not defined'''
+ lst = re.split('(\$\{\w+\})', string)
+ out = []
+ for v in lst:
+ if re.match('\$\{\w+\}', v):
+ vname = v[2:-1]
+ if not vname in env:
+ print "Failed to find variable %s in %s" % (vname, string)
+ raise
+ v = env[vname]
+ out.append(v)
+ return ''.join(out)
+
@conf
def SUBST_ENV_VAR(ctx, varname):
'''Substitute an environment variable for any embedded variables'''
- return Utils.subst_vars(ctx.env[varname], ctx.env)
+ return subst_vars_error(ctx.env[varname], ctx.env)
Build.BuildContext.SUBST_ENV_VAR = SUBST_ENV_VAR
@@ -326,14 +333,13 @@ def mkdir_p(dir):
mkdir_p(os.path.dirname(dir))
os.mkdir(dir)
-
def SUBST_VARS_RECURSIVE(string, env):
'''recursively expand variables'''
if string is None:
return string
limit=100
while (string.find('${') != -1 and limit > 0):
- string = Utils.subst_vars(string, env)
+ string = subst_vars_error(string, env)
limit -= 1
return string