initial copy of jade.py

SConstruct

@@ -62,6 +62,7 @@ from clients import checkForBuildingClients
 from sysconfdir import checkForUserSysconfdir
 from sgmlformat import checkForSGMLFMT
 from largefiles import enableLargeFiles
+from jade import checkDSSSLProcessor
 
 conf = Configure(env,{'checkForCCOption':checkForCCOption,
                       'MAINTAINER_MODE':checkForMaintainerMode,
@@ -77,7 +78,8 @@ conf = Configure(env,{'checkForCCOption':checkForCCOption,
 		      'autodetectMandir':autodetectMandir,
 		      'checkForUserSysconfdir':checkForUserSysconfdir,
 		      'checkForBuildingClients':checkForBuildingClients,
-		      'checkForSGMLFMT':checkForSGMLFMT
+		      'checkForSGMLFMT':checkForSGMLFMT,
+		      'checkDSSSLProcessor':checkDSSSLProcessor
 	 	      })
 if not conf.CheckCC(): Exit(1)
 # check for CC options
@@ -96,7 +98,12 @@ for option in Split("""
       -fmacro-backtrace-limit=2 -Wno-cast-align -Wno-pointer-sign
 """):
        conf.checkForCCOption(option)
-SGML=conf.checkForSGMLFMT()
+if conf.checkDSSSLProcessor("jade"):
+    JADE = "jade"
+elif conf.checkDSSSLProcessor("openjade"):
+    JADE = "openjade"    
+else:
+    JADE = False
 # Portability build time config
 if conf.CheckFunc('srandomdev'):
     conf.env.Append(CPPFLAGS = '-DHAVE_SRANDOMDEV')

site_scons/jade.py

@@ -0,0 +1,24 @@
+#
+# SCons JADE executable check
+#
+# Version 1.0
+# 07-Sep-2014
+#
+
+from SCons.Script import ARGUMENTS,Touch,Delete,Command
+import subprocess
+import SCons.Action
+import SCons.SConf
+
+def checkDSSSLProcessor(check, name="jade"):
+    """Check if DSSSL engine is working. Returns True or False."""
+    check.Message("Checking if DSSSL processor "+name+" works... ")
+    try:
+       echo = subprocess.Popen(('/bin/echo','""'), stdout = subprocess.PIPE )
+       version = subprocess.check_output((name, '-v'), stdin = echo.stdout, stderr = subprocess.STDOUT )
+    except subprocess.CalledProcessError as e:
+       if "version" in e.output:
+          check.Result(True)
+          return True
+    check.Result(False)
+    return False