SConscript

 import os
 import sys
+import platform
 
+processor=platform.uname()[4];
+
+
+idadefault=0	# Ida is off unless on x86 processor.
+if processor == "x86_64" or processor == "i686" or processor == "i386":
+	idadefault=-1
+
+	
 argenv=Environment()
 # command line options
 argenv.Replace(debug=ARGUMENTS.get("debug",0))
@@ -9,8 +18,8 @@ argenv.Replace(debugopt2=ARGUMENTS.get("debugopt2",0))
 argenv.Replace(debugmem=ARGUMENTS.get("debugmem",0))
 argenv.Replace(do_64bit_analysis=ARGUMENTS.get("do_64bit_analysis",1))
 argenv.Replace(do_64bit_build=ARGUMENTS.get("do_64bit_build",2))
-argenv.Replace(build_ida=ARGUMENTS.get("build_ida",-1))
-argenv.Replace(build_ida7=ARGUMENTS.get("build_ida7",-1))
+argenv.Replace(build_ida=ARGUMENTS.get("build_ida",idadefault))
+argenv.Replace(build_ida7=ARGUMENTS.get("build_ida7",idadefault))
 argenv.Replace(build_irdb=ARGUMENTS.get("build_irdb",1))
 argenv.Replace(build_irdb_driver=ARGUMENTS.get("build_irdb_driver",0))
 argenv.Replace(install=ARGUMENTS.get("install",1))
@@ -118,10 +127,14 @@ Export('argenv', 'STARS_CCFLAGS', 'STARS_LDFLAGS', 'STARS_LDPREFIX')
 
 installers=[]
 
+
 libehpEnv=argenv.Clone()
-libehpEnv.Append(CXXFLAGS=" -m64 ")
-libehpEnv.Append(CFLAGS=" -m64 ")
-libehpEnv.Append(LDFLAGS=" -m64 ")
+
+if processor == "x86_64":
+	libehpEnv.Append(CXXFLAGS=" -m64 ")
+	libehpEnv.Append(CFLAGS=" -m64 ")
+	libehpEnv.Append(LDFLAGS=" -m64 ")
+
 env=libehpEnv
 Export('env')
 libehp=libehpEnv.SConscript("libehp/SConscript", variant_dir='scons_build/libehp');

SConscript.irdb_lib

@@ -2,6 +2,8 @@ import os
 
 Import('argenv', 'STARS_CCFLAGS')
 
+processor=os.uname()[4]
+
 
 
 
@@ -43,15 +45,17 @@ libs="irdb-core irdb-cfg MEDSannotation irdb-util"
 IRDB_LDFLAGS=" "
 
 
-# set 32/64 bit build properly
-if int(argenv['do_64bit_build']) == 2:
-	print "Defaulting to mach-dep 32/64 bit build parameter"
-elif int(argenv['do_64bit_build']) == 1:
-	IRDB_CCFLAGS+=" -m64 "
-	IRDB_LDFLAGS+=" -m64 "
-else:
-	IRDB_CCFLAGS+=" -m32 "
-	IRDB_LDFLAGS+=" -m32 "
+if processor == "x86_64" or processor == "i686" or processor == "i386":
+	# set 32/64 bit build properly
+	if int(argenv['do_64bit_build']) == 2:
+		print "Defaulting to mach-dep 32/64 bit build parameter"
+
+	elif int(argenv['do_64bit_build']) == 1:
+		IRDB_CCFLAGS+=" -m64 "
+		IRDB_LDFLAGS+=" -m64 "
+	else:
+		IRDB_CCFLAGS+=" -m32 "
+		IRDB_LDFLAGS+=" -m32 "