picked fixes from @KonstantinZavertkin's fork

ASN/makefile

@@ -4916,7 +4916,4 @@ check: ${TARGET}
 	@echo ================
 
 distclean: clean
-	rm -f $(ASN_MODULE_SOURCES)
-	rm -f $(ASN_MODULE_HEADERS)
-	rm -f $(ASN_CONVERTER_SOURCES) $(ASN_CONVERTER_HEADERS)
 	rm -f Makefile.am.sample

README.md

@@ -3,3 +3,5 @@ Welcome to the OpenBTS-UMTS source code
 
 For information on supported hardware, and build, install, setup and run instructions see [the wiki page](http://openbts.org/w/index.php/OpenBTS-UMTS).
 
+Notes for this fork: You can run ./install_dependences.sh to get dependencies satisfied before installation.
+

SGSNGGSN/Sgsn.cpp

@@ -124,7 +124,7 @@ void SgsnInfo::sirm()
 {
 	std::ostringstream ss;
 	sgsnInfoDump(this,ss);
-	SGSNLOG("Removing SgsnInfo:"<<ss);
+	SGSNLOG(string("Removing SgsnInfo: ") + ss.str());
 	sSgsnInfoList.remove(this);
 	delete this;
 }
@@ -221,7 +221,7 @@ static void GmmRemove(GmmInfo *gmm)
 {
 	std::ostringstream ss;
 	gmmInfoDump(gmm,ss,0);
-	SGSNLOG("Removing gmm:"<<ss);
+	SGSNLOG(string("Removing gmm: ") + ss.str());
 	SgsnInfo *si;
 	RN_FOR_ALL(SgsnInfoList_t,sSgsnInfoList,si) {
 		// The second test here should be redundant.

SIP/SIPInterface.cpp

@@ -287,7 +287,7 @@ const char* extractIMSI(const osip_message_t *msg)
 	unsigned namelen = strlen(IMSI);
 	if ((namelen>19)||(namelen<18)) {
 		LOG(WARNING) << "INVITE with malformed username \"" << IMSI << "\"";
-		return false;
+		return nullptr;
 	}
 	// Skip first 4 char "IMSI".
 	return IMSI+4;

SMS/SMSMessages.cpp

@@ -75,7 +75,7 @@ RPData *SMS::hex2rpdata(const char *hexstring)
 
 	BitVector RPDUbits(strlen(hexstring)*4);
 	if (!RPDUbits.unhex(hexstring)) {
-		return false;
+		return nullptr;
 	}
 	LOG(DEBUG) << "SMS RPDU bits: " << RPDUbits;
 

UMTS/UMTSRadioModem.h

@@ -178,7 +178,7 @@ public:
         friend void *RACHLoopAdapter(RadioModem*);
         friend void *DCHLoopAdapter(DCHLoopInfo*);
 
-        static const float mRACHThreshold = 10.0;
+        static constexpr float mRACHThreshold = 10.0;
 
 
 private: