Arnaud Lacombe created QPID-7927:
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Summary: Build fail on Fedora 26
Key: QPID-7927
URL: https://issues.apache.org/jira/browse/QPID-7927
Project: Qpid
Issue Type: Bug
Components: C++ Build
Reporter: Arnaud Lacombe
Attempting to build on Fedora 26. Some of the warning concern legitimate
codepath ending up in uinitialized variables.
Except from a parallel build:
In file included from /qpid/broker/SelectorToken.cpp:22:0:
/qpid/broker/SelectorToken.h: In member function 'const qpid::broker::Token&
qpid::broker::Tokeniser::nextToken()':
/qpid/broker/SelectorToken.h:67:8: error:
'<anonymous>.qpid::broker::Token::type' may be used uninitialized in this
function [-Werror=maybe-uninitialized]
struct Token {
^~~~~
cc1plus: all warnings being treated as errors
make[2]: *** [src/CMakeFiles/qpidbroker.dir/build.make:3255:
src/CMakeFiles/qpidbroker.dir/qpid/broker/SelectorToken.cpp.o] Error 1
make[2]: *** Waiting for unfinished jobs....
/qpid/broker/SelectorExpression.cpp: In member function
'qpid::broker::Expression* qpid::broker::Parse::parseExactNumeric(const
qpid::broker::Token&, bool)':
/qpid/broker/SelectorExpression.cpp:1041:13: error: '*((void*)& s +17)' may be
used uninitialized in this function [-Werror=maybe-uninitialized]
if (s[1]=='b' || s[1]=='B') {
/qpid/broker/SelectorExpression.cpp: In member function
'qpid::broker::Expression*
qpid::broker::Parse::orExpression(qpid::broker::Tokeniser&)':
/qpid/broker/SelectorExpression.cpp:1041:13: error: '*((void*)& s +17)' may be
used uninitialized in this function [-Werror=maybe-uninitialized]
if (s[1]=='b' || s[1]=='B') {
/qpid/broker/SelectorExpression.cpp:1041:13: error: '*((void*)& s +17)' may be
used uninitialized in this function [-Werror=maybe-uninitialized]
if (s[1]=='b' || s[1]=='B') {
/qpid/broker/SelectorExpression.cpp:1041:13: error: '*((void*)& s +17)' may be
used uninitialized in this function [-Werror=maybe-uninitialized]
if (s[1]=='b' || s[1]=='B') {
/qpid/broker/SelectorExpression.cpp:1041:13: error: '*((void*)& s +17)' may be
used uninitialized in this function [-Werror=maybe-uninitialized]
if (s[1]=='b' || s[1]=='B') {
/qpid/broker/SelectorExpression.cpp:1041:13: error: '*((void*)& s +17)' may be
used uninitialized in this function [-Werror=maybe-uninitialized]
if (s[1]=='b' || s[1]=='B') {
/qpid/broker/Selector.cpp: In member function 'const qpid::broker::Value
qpid::broker::MessageSelectorEnv::specialValue(const string&) const':
/qpid/broker/Selector.cpp:169:11: error: 'v' may be used uninitialized in this
function [-Werror=maybe-uninitialized]
v = Value();
~~^~~~~~~~~
cc1plus: all warnings being treated as errors
make[2]: *** [src/CMakeFiles/qpidbroker.dir/build.make:3207:
src/CMakeFiles/qpidbroker.dir/qpid/broker/Selector.cpp.o] Error 1
/qpid/broker/SelectorExpression.cpp: In member function
'qpid::broker::Expression*
qpid::broker::Parse::unaryArithExpression(qpid::broker::Tokeniser&)':
/qpid/broker/SelectorExpression.cpp:1041:13: error: '*((void*)& s +17)' may be
used uninitialized in this function [-Werror=maybe-uninitialized]
if (s[1]=='b' || s[1]=='B') {
/qpid/broker/SelectorExpression.cpp:1041:13: error: '*((void*)& s +17)' may be
used uninitialized in this function [-Werror=maybe-uninitialized]
if (s[1]=='b' || s[1]=='B') {
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