Fix unused function warnings in 7_1_X gcc490.

Author: aledegano

CondCore/DBOutputService/test/stubs/writeInt.cc

@@ -12,7 +12,7 @@ typedef std::vector<int> Payload;
 
 namespace {
 
-  std::string toa(int i) {
+  inline std::string toa(int i) {
     std::ostringstream ss;
     ss << i;
     return ss.str();

DataFormats/EcalDigi/test/EcalDigi_t.cpp

@@ -50,10 +50,10 @@ TestEcalDigi<DigiCollection>::TestEcalDigi() : sv(10){
 
 namespace {
 
-  void check_ctor(EBDigiCollection const& digis) {
+  inline void check_ctor(EBDigiCollection const& digis) {
     CPPUNIT_ASSERT(digis.subdetId()==EcalBarrel);
   }
-  void check_ctor(EEDigiCollection const& digis) {
+  inline void check_ctor(EEDigiCollection const& digis) {
     CPPUNIT_ASSERT(digis.subdetId()==EcalEndcap);
   }
 

EventFilter/SiPixelRawToDigi/src/PixelUnpackingRegions.cc

@@ -29,7 +29,7 @@ bool isFPIXFED(unsigned int fed) {return fed>=32;}
 bool isBPIXModule(unsigned int id) {return DetId(id).subdetId() == PixelSubdetector::PixelBarrel;}
 bool isFPIXModule(unsigned int id) {return DetId(id).subdetId() == PixelSubdetector::PixelEndcap;}
 
-std::ostream& operator<<(std::ostream& s, const PixelUnpackingRegions::Module& m)
+inline std::ostream& operator<<(std::ostream& s, const PixelUnpackingRegions::Module& m)
 {
   s<< (isBPIXModule(m.id) ? "BPIX " : "FPIX ") <<m.id<<" "<<m.fed<<"   "<<m.phi<<"   "<<m.x<<" "<<m.y<<" "<<m.z<<"  "<<sqrt(std::pow(m.x,2)+std::pow(m.y,2));
   return s;

JetMETCorrections/MCJet/plugins/JetUtilMC.h

@@ -22,7 +22,7 @@ double Phi_mpi_pi(double x) {
    return x;
 }
 
-double dPhi(double phi1,double phi2){
+inline double dPhi(double phi1,double phi2){
    phi1=Phi_0_2pi(phi1);
    phi2=Phi_0_2pi(phi2);
    return Phi_mpi_pi(phi1-phi2);