Not compiling on CentOS 7

[nmmmnu]

i try to compile the wallet, and get:
messagesigner.cpp: In static member function ‘static bool CHashSigner::VerifyHash(const uint256&, const CTxDestination&, const std::vector&, std::string&)’:
messagesigner.cpp:79:16: error: no match for ‘operator!=’ (operand types are ‘const CTxDestination {aka const boost::variant<CNoDestination, CKeyID, CScriptID, WitnessV0ScriptHash, WitnessV0KeyHash, WitnessUnknown>}’ and ‘CTxDestination {aka boost::variant<CNoDestination, CKeyID, CScriptID, WitnessV0ScriptHash, WitnessV0KeyHash, WitnessUnknown>}’)

there seems to be operator == , but != missing.

fix is easy by replacing "a != b" with " ! ( a == b ) ". See diff at the end.

export BDB_PREFIX=/root/src/db-4.8.30.NC/build_unix/build/

export CPPFLAGS="-I${BDB_PREFIX}/include/ -O2"
export LDFLAGS="-L${BDB_PREFIX}/lib/"

export CXXFLAGS="${CPPFLAGS}"

./autogen.sh && ./configure && make

here is git diff that fix the issue

diff --git a/src/key_io.cpp b/src/key_io.cpp
index 55198f0..9b78dc0 100644
--- a/src/key_io.cpp
+++ b/src/key_io.cpp
@@ -284,7 +284,7 @@ bool CBitcoinAddress::operator==(const CBitcoinAddress &rhs) const

bool CBitcoinAddress::operator!=(const CBitcoinAddress &rhs) const
{

• return txDest != rhs.txDest;

• return ! ( txDest == rhs.txDest );
  }

bool CBitcoinAddress::operator<(const CBitcoinAddress &rhs) const
diff --git a/src/messagesigner.cpp b/src/messagesigner.cpp
index 18804b4..5fc9c53 100644
--- a/src/messagesigner.cpp
+++ b/src/messagesigner.cpp
@@ -76,7 +76,7 @@ bool CHashSigner::VerifyHash(const uint256& hash, const CTxDestination &address,
return false;
}

• if(address != recoveredAddress) {

• if( ! ( address == recoveredAddress ) ) {
  strErrorRet = strprintf("Addresses don't match: address=%s, addressFromSig=%s, hash=%s, vchSig=%s",
  EncodeDestination(address), EncodeDestination(recoveredAddress), hash.ToString(),
  EncodeBase64(&vchSig[0], vchSig.size()));

[durkmurder]

Different compilers. Will add that operator.

[durkmurder]

Fixed in PR. Will be released with 1.0.14