Re: problem with build quickstep

Mon, 27 Nov 2017 08:59:28 -0800 

Hi Song,
Which compiler are you using? You can check the CMakeCache.txt file and check the value for CMake_CXX_COMPILER or CMAKE_C_COMPILER. Please also let us know the version of the compiler. 


On 11/27/2017 01:04 AM, Song Zhao wrote:

Hi Developers


I'm trying to build quickstep following the steps in README.MD but the 
build failed with some error like 'error: ‘current_literal’ may be 
used uninitialized in this function [-Werror=maybe-uninitialized]
           if (this->compareDataPtrsHelper<true>(va_value, 
&current_literal))'



I paste the output of cmake and make at the end of this mail, and I 
appreciate if anyone can give me some guide on how to fix this.



Thank you,

Song




This is the output of cmake:

cmake -D CMAKE_BUILD_TYPE=Release ..
Vector copy elision level set to: single-relation selection
-- Could NOT find LibNuma (missing: LIBNUMA_LIBRARY LIBNUMA_INCLUDE_DIR)
-- Could NOT find Protobuf (missing: Protobuf_INCLUDE_DIR)
-- git Version: v0.0.0
-- Version: 0.0.0
-- Performing Test HAVE_STD_REGEX
-- Performing Test HAVE_STD_REGEX -- success
-- Performing Test HAVE_GNU_POSIX_REGEX
-- Performing Test HAVE_GNU_POSIX_REGEX -- failed to compile
-- Performing Test HAVE_POSIX_REGEX
-- Performing Test HAVE_POSIX_REGEX -- success
-- Performing Test HAVE_STEADY_CLOCK
-- Performing Test HAVE_STEADY_CLOCK -- success

-- Checking program counter fetch from ucontext_t member: 
uc_mcontext.gregs[REG_EIP]

-- Performing Test PC_FROM_UCONTEXT_COMPILES
-- Performing Test PC_FROM_UCONTEXT_COMPILES - Failed

-- Checking program counter fetch from ucontext_t member: 
uc_mcontext.gregs[REG_RIP]

-- Performing Test PC_FROM_UCONTEXT_COMPILES
-- Performing Test PC_FROM_UCONTEXT_COMPILES - Failed

-- Checking program counter fetch from ucontext_t member: 
uc_mcontext.sc_ip

-- Performing Test PC_FROM_UCONTEXT_COMPILES
-- Performing Test PC_FROM_UCONTEXT_COMPILES - Failed

-- Checking program counter fetch from ucontext_t member: 
uc_mcontext.uc_regs->gregs[PT_NIP]

-- Performing Test PC_FROM_UCONTEXT_COMPILES
-- Performing Test PC_FROM_UCONTEXT_COMPILES - Failed

-- Checking program counter fetch from ucontext_t member: 
uc_mcontext.gregs[R15]

-- Performing Test PC_FROM_UCONTEXT_COMPILES
-- Performing Test PC_FROM_UCONTEXT_COMPILES - Failed

-- Checking program counter fetch from ucontext_t member: 
uc_mcontext.arm_pc

-- Performing Test PC_FROM_UCONTEXT_COMPILES
-- Performing Test PC_FROM_UCONTEXT_COMPILES - Failed

-- Checking program counter fetch from ucontext_t member: 
uc_mcontext.mc_eip

-- Performing Test PC_FROM_UCONTEXT_COMPILES
-- Performing Test PC_FROM_UCONTEXT_COMPILES - Failed

-- Checking program counter fetch from ucontext_t member: 
uc_mcontext.mc_rip

-- Performing Test PC_FROM_UCONTEXT_COMPILES
-- Performing Test PC_FROM_UCONTEXT_COMPILES - Failed

-- Checking program counter fetch from ucontext_t member: 
uc_mcontext.__gregs[_REG_EIP]

-- Performing Test PC_FROM_UCONTEXT_COMPILES
-- Performing Test PC_FROM_UCONTEXT_COMPILES - Failed

-- Checking program counter fetch from ucontext_t member: 
uc_mcontext.__gregs[_REG_RIP]

-- Performing Test PC_FROM_UCONTEXT_COMPILES
-- Performing Test PC_FROM_UCONTEXT_COMPILES - Failed

-- Checking program counter fetch from ucontext_t member: 
uc_mcontext->ss.eip

-- Performing Test PC_FROM_UCONTEXT_COMPILES
-- Performing Test PC_FROM_UCONTEXT_COMPILES - Failed

-- Checking program counter fetch from ucontext_t member: 
uc_mcontext->__ss.__eip

-- Performing Test PC_FROM_UCONTEXT_COMPILES
-- Performing Test PC_FROM_UCONTEXT_COMPILES - Failed

-- Checking program counter fetch from ucontext_t member: 
uc_mcontext->ss.rip

-- Performing Test PC_FROM_UCONTEXT_COMPILES
-- Performing Test PC_FROM_UCONTEXT_COMPILES - Failed

-- Checking program counter fetch from ucontext_t member: 
uc_mcontext->__ss.__rip

-- Performing Test PC_FROM_UCONTEXT_COMPILES
-- Performing Test PC_FROM_UCONTEXT_COMPILES - Failed

-- Checking program counter fetch from ucontext_t member: 
uc_mcontext->ss.srr0

-- Performing Test PC_FROM_UCONTEXT_COMPILES
-- Performing Test PC_FROM_UCONTEXT_COMPILES - Failed

-- Checking program counter fetch from ucontext_t member: 
uc_mcontext->__ss.__srr0

-- Performing Test PC_FROM_UCONTEXT_COMPILES
-- Performing Test PC_FROM_UCONTEXT_COMPILES - Failed
CMake Warning at third_party/src/glog/CMakeLists.txt:185 (message):

  Unable to find program counter field in ucontext_t.  GLOG signal 
handler

  will not be able to report precise PC position.


-- Could NOT find BISON (missing: BISON_EXECUTABLE)
CMake Warning at parser/CMakeLists.txt:36 (message):

  Unable to find bison.  A preprocessed copy of the parser sources 
will be

  used.


-- Could NOT find FLEX (missing: FLEX_EXECUTABLE)
CMake Warning at parser/CMakeLists.txt:51 (message):
  Unable to find flex.  A preprocessed copy of the lexer sources will be
  used.



You appear to be building on a Linux system with HugeTLB support. To 
take advantage of this feature, you will need to configure kernel 
support for hugepages by setting /proc/sys/vm/nr_hugepages and/or 
/proc/sys/vm/nr_overcommit_hugepages as well as running quickstep 
executables under the group id specified in 
/proc/sys/vm/hugetlb_shm_group (see Linux documentation on this 
feature for more details: 
https://www.kernel.org/doc/Documentation/vm/hugetlbpage.txt). You can 
also safely ignore this, and quickstep will fall back to using 
ordinary small pages for buffer pool memory.

Using threading implementation: cpp11
-- Configuring done
-- Generating done


Output of make -j4


In file included from 
/home/song/Documents/code/quickstep-with-BW/types/operations/comparisons/GreaterComparison.cpp:28:0:
/home/song/Documents/code/quickstep-with-BW/types/operations/comparisons/LiteralComparators-inl.hpp: 
In member function ‘quickstep::TypedValue 
quickstep::LiteralUncheckedComparator<ComparisonFunctor, LeftCppType, 
left_nullable, RightCppType, 
right_nullable>::accumulateValueAccessor(const quickstep::TypedValue&, 
quickstep::ValueAccessor*, quickstep::attribute_id) const [with 
ComparisonFunctor = quickstep::GreaterFunctor; LeftCppType = double; 
bool left_nullable = false; RightCppType = double; bool right_nullable 
= false; quickstep::attribute_id = int]’:
/home/song/Documents/code/quickstep-with-BW/types/operations/comparisons/LiteralComparators-inl.hpp:586:11: 
error: ‘current_literal’ may be used uninitialized in this function 
[-Werror=maybe-uninitialized]
           if (this->compareDataPtrsHelper<true>(va_value, 
&current_literal)) {

           ^

/home/song/Documents/code/quickstep-with-BW/types/operations/comparisons/LiteralComparators-inl.hpp: 
In member function ‘quickstep::TypedValue 
quickstep::LiteralUncheckedComparator<ComparisonFunctor, LeftCppType, 
left_nullable, RightCppType, 
right_nullable>::accumulateValueAccessor(const quickstep::TypedValue&, 
quickstep::ValueAccessor*, quickstep::attribute_id) const [with 
ComparisonFunctor = quickstep::GreaterFunctor; LeftCppType = double; 
bool left_nullable = false; RightCppType = double; bool right_nullable 
= true; quickstep::attribute_id = int]’:
/home/song/Documents/code/quickstep-with-BW/types/operations/comparisons/LiteralComparators-inl.hpp:586:11: 
error: ‘current_literal’ may be used uninitialized in this function 
[-Werror=maybe-uninitialized]
/home/song/Documents/code/quickstep-with-BW/types/operations/comparisons/LiteralComparators-inl.hpp: 
In member function ‘quickstep::TypedValue 
quickstep::LiteralUncheckedComparator<ComparisonFunctor, LeftCppType, 
left_nullable, RightCppType, 
right_nullable>::accumulateValueAccessor(const quickstep::TypedValue&, 
quickstep::ValueAccessor*, quickstep::attribute_id) const [with 
ComparisonFunctor = quickstep::GreaterFunctor; LeftCppType = double; 
bool left_nullable = false; RightCppType = long int; bool 
right_nullable = false; quickstep::attribute_id = int]’:
/home/song/Documents/code/quickstep-with-BW/types/operations/comparisons/LiteralComparators-inl.hpp:547:15: 
error: ‘current_literal’ may be used uninitialized in this function 
[-Werror=maybe-uninitialized]

   LeftCppType current_literal;
               ^

/home/song/Documents/code/quickstep-with-BW/types/operations/comparisons/LiteralComparators-inl.hpp: 
In member function ‘quickstep::TypedValue 
quickstep::LiteralUncheckedComparator<ComparisonFunctor, LeftCppType, 
left_nullable, RightCppType, 
right_nullable>::accumulateValueAccessor(const quickstep::TypedValue&, 
quickstep::ValueAccessor*, quickstep::attribute_id) const [with 
ComparisonFunctor = quickstep::GreaterFunctor; LeftCppType = double; 
bool left_nullable = false; RightCppType = long int; bool 
right_nullable = true; quickstep::attribute_id = int]’:
/home/song/Documents/code/quickstep-with-BW/types/operations/comparisons/LiteralComparators-inl.hpp:547:15: 
error: ‘current_literal’ may be used uninitialized in this function 
[-Werror=maybe-uninitialized]
/home/song/Documents/code/quickstep-with-BW/types/operations/comparisons/LiteralComparators-inl.hpp: 
In member function ‘quickstep::TypedValue 
quickstep::LiteralUncheckedComparator<ComparisonFunctor, LeftCppType, 
left_nullable, RightCppType, 
right_nullable>::accumulateValueAccessor(const quickstep::TypedValue&, 
quickstep::ValueAccessor*, quickstep::attribute_id) const [with 
ComparisonFunctor = quickstep::GreaterFunctor; LeftCppType = float; 
bool left_nullable = false; RightCppType = float; bool right_nullable 
= false; quickstep::attribute_id = int]’:
/home/song/Documents/code/quickstep-with-BW/types/operations/comparisons/LiteralComparators-inl.hpp:586:11: 
error: ‘current_literal’ may be used uninitialized in this function 
[-Werror=maybe-uninitialized]
           if (this->compareDataPtrsHelper<true>(va_value, 
&current_literal)) {

           ^

/home/song/Documents/code/quickstep-with-BW/types/operations/comparisons/LiteralComparators-inl.hpp: 
In member function ‘quickstep::TypedValue 
quickstep::LiteralUncheckedComparator<ComparisonFunctor, LeftCppType, 
left_nullable, RightCppType, 
right_nullable>::accumulateValueAccessor(const quickstep::TypedValue&, 
quickstep::ValueAccessor*, quickstep::attribute_id) const [with 
ComparisonFunctor = quickstep::GreaterFunctor; LeftCppType = float; 
bool left_nullable = false; RightCppType = float; bool right_nullable 
= true; quickstep::attribute_id = int]’:
/home/song/Documents/code/quickstep-with-BW/types/operations/comparisons/LiteralComparators-inl.hpp:586:11: 
error: ‘current_literal’ may be used uninitialized in this function 
[-Werror=maybe-uninitialized]
/home/song/Documents/code/quickstep-with-BW/types/operations/comparisons/LiteralComparators-inl.hpp: 
In member function ‘quickstep::TypedValue 
quickstep::LiteralUncheckedComparator<ComparisonFunctor, LeftCppType, 
left_nullable, RightCppType, 
right_nullable>::accumulateValueAccessor(const quickstep::TypedValue&, 
quickstep::ValueAccessor*, quickstep::attribute_id) const [with 
ComparisonFunctor = quickstep::GreaterFunctor; LeftCppType = float; 
bool left_nullable = false; RightCppType = int; bool right_nullable = 
false; quickstep::attribute_id = int]’:
/home/song/Documents/code/quickstep-with-BW/types/operations/comparisons/LiteralComparators-inl.hpp:547:15: 
error: ‘current_literal’ may be used uninitialized in this function 
[-Werror=maybe-uninitialized]

   LeftCppType current_literal;
               ^

/home/song/Documents/code/quickstep-with-BW/types/operations/comparisons/LiteralComparators-inl.hpp: 
In member function ‘quickstep::TypedValue 
quickstep::LiteralUncheckedComparator<ComparisonFunctor, LeftCppType, 
left_nullable, RightCppType, 
right_nullable>::accumulateValueAccessor(const quickstep::TypedValue&, 
quickstep::ValueAccessor*, quickstep::attribute_id) const [with 
ComparisonFunctor = quickstep::GreaterFunctor; LeftCppType = long int; 
bool left_nullable = false; RightCppType = double; bool right_nullable 
= false; quickstep::attribute_id = int]’:
/home/song/Documents/code/quickstep-with-BW/types/operations/comparisons/LiteralComparators-inl.hpp:547:15: 
error: ‘current_literal’ may be used uninitialized in this function 
[-Werror=maybe-uninitialized]
/home/song/Documents/code/quickstep-with-BW/types/operations/comparisons/LiteralComparators-inl.hpp: 
In member function ‘quickstep::TypedValue 
quickstep::LiteralUncheckedComparator<ComparisonFunctor, LeftCppType, 
left_nullable, RightCppType, 
right_nullable>::accumulateValueAccessor(const quickstep::TypedValue&, 
quickstep::ValueAccessor*, quickstep::attribute_id) const [with 
ComparisonFunctor = quickstep::GreaterFunctor; LeftCppType = float; 
bool left_nullable = false; RightCppType = int; bool right_nullable = 
true; quickstep::attribute_id = int]’:
/home/song/Documents/code/quickstep-with-BW/types/operations/comparisons/LiteralComparators-inl.hpp:547:15: 
error: ‘current_literal’ may be used uninitialized in this function 
[-Werror=maybe-uninitialized]
/home/song/Documents/code/quickstep-with-BW/types/operations/comparisons/LiteralComparators-inl.hpp: 
In member function ‘quickstep::TypedValue 
quickstep::LiteralUncheckedComparator<ComparisonFunctor, LeftCppType, 
left_nullable, RightCppType, 
right_nullable>::accumulateValueAccessor(const quickstep::TypedValue&, 
quickstep::ValueAccessor*, quickstep::attribute_id) const [with 
ComparisonFunctor = quickstep::GreaterFunctor; LeftCppType = long int; 
bool left_nullable = false; RightCppType = double; bool right_nullable 
= true; quickstep::attribute_id = int]’:
/home/song/Documents/code/quickstep-with-BW/types/operations/comparisons/LiteralComparators-inl.hpp:547:15: 
error: ‘current_literal’ may be used uninitialized in this function 
[-Werror=maybe-uninitialized]
/home/song/Documents/code/quickstep-with-BW/types/operations/comparisons/LiteralComparators-inl.hpp: 
In member function ‘quickstep::TypedValue 
quickstep::LiteralUncheckedComparator<ComparisonFunctor, LeftCppType, 
left_nullable, RightCppType, 
right_nullable>::accumulateValueAccessor(const quickstep::TypedValue&, 
quickstep::ValueAccessor*, quickstep::attribute_id) const [with 
ComparisonFunctor = quickstep::GreaterFunctor; LeftCppType = long int; 
bool left_nullable = false; RightCppType = long int; bool 
right_nullable = false; quickstep::attribute_id = int]’:
/home/song/Documents/code/quickstep-with-BW/types/operations/comparisons/LiteralComparators-inl.hpp:586:11: 
error: ‘current_literal’ may be used uninitialized in this function 
[-Werror=maybe-uninitialized]
           if (this->compareDataPtrsHelper<true>(va_value, 
&current_literal)) {

           ^

/home/song/Documents/code/quickstep-with-BW/types/operations/comparisons/LiteralComparators-inl.hpp: 
In member function ‘quickstep::TypedValue 
quickstep::LiteralUncheckedComparator<ComparisonFunctor, LeftCppType, 
left_nullable, RightCppType, 
right_nullable>::accumulateValueAccessor(const quickstep::TypedValue&, 
quickstep::ValueAccessor*, quickstep::attribute_id) const [with 
ComparisonFunctor = quickstep::GreaterFunctor; LeftCppType = long int; 
bool left_nullable = false; RightCppType = long int; bool 
right_nullable = true; quickstep::attribute_id = int]’:
/home/song/Documents/code/quickstep-with-BW/types/operations/comparisons/LiteralComparators-inl.hpp:586:11: 
error: ‘current_literal’ may be used uninitialized in this function 
[-Werror=maybe-uninitialized]
/home/song/Documents/code/quickstep-with-BW/types/operations/comparisons/LiteralComparators-inl.hpp: 
In member function ‘quickstep::TypedValue 
quickstep::LiteralUncheckedComparator<ComparisonFunctor, LeftCppType, 
left_nullable, RightCppType, 
right_nullable>::accumulateValueAccessor(const quickstep::TypedValue&, 
quickstep::ValueAccessor*, quickstep::attribute_id) const [with 
ComparisonFunctor = quickstep::GreaterFunctor; LeftCppType = float; 
bool left_nullable = true; RightCppType = int; bool right_nullable = 
false; quickstep::attribute_id = int]’:
/home/song/Documents/code/quickstep-with-BW/types/operations/comparisons/LiteralComparators-inl.hpp:547:15: 
error: ‘current_literal’ may be used uninitialized in this function 
[-Werror=maybe-uninitialized]

   LeftCppType current_literal;
               ^

/home/song/Documents/code/quickstep-with-BW/types/operations/comparisons/LiteralComparators-inl.hpp: 
In member function ‘quickstep::TypedValue 
quickstep::LiteralUncheckedComparator<ComparisonFunctor, LeftCppType, 
left_nullable, RightCppType, 
right_nullable>::accumulateValueAccessor(const quickstep::TypedValue&, 
quickstep::ValueAccessor*, quickstep::attribute_id) const [with 
ComparisonFunctor = quickstep::GreaterFunctor; LeftCppType = float; 
bool left_nullable = true; RightCppType = int; bool right_nullable = 
true; quickstep::attribute_id = int]’:
/home/song/Documents/code/quickstep-with-BW/types/operations/comparisons/LiteralComparators-inl.hpp:547:15: 
error: ‘current_literal’ may be used uninitialized in this function 
[-Werror=maybe-uninitialized]
/home/song/Documents/code/quickstep-with-BW/types/operations/comparisons/LiteralComparators-inl.hpp: 
In member function ‘quickstep::TypedValue 
quickstep::LiteralUncheckedComparator<ComparisonFunctor, LeftCppType, 
left_nullable, RightCppType, 
right_nullable>::accumulateValueAccessor(const quickstep::TypedValue&, 
quickstep::ValueAccessor*, quickstep::attribute_id) const [with 
ComparisonFunctor = quickstep::GreaterFunctor; LeftCppType = double; 
bool left_nullable = true; RightCppType = double; bool right_nullable 
= false; quickstep::attribute_id = int]’:
/home/song/Documents/code/quickstep-with-BW/types/operations/comparisons/LiteralComparators-inl.hpp:586:11: 
error: ‘current_literal’ may be used uninitialized in this function 
[-Werror=maybe-uninitialized]
           if (this->compareDataPtrsHelper<true>(va_value, 
&current_literal)) {

           ^

/home/song/Documents/code/quickstep-with-BW/types/operations/comparisons/LiteralComparators-inl.hpp: 
In member function ‘quickstep::TypedValue 
quickstep::LiteralUncheckedComparator<ComparisonFunctor, LeftCppType, 
left_nullable, RightCppType, 
right_nullable>::accumulateValueAccessor(const quickstep::TypedValue&, 
quickstep::ValueAccessor*, quickstep::attribute_id) const [with 
ComparisonFunctor = quickstep::GreaterFunctor; LeftCppType = double; 
bool left_nullable = true; RightCppType = double; bool right_nullable 
= true; quickstep::attribute_id = int]’:
/home/song/Documents/code/quickstep-with-BW/types/operations/comparisons/LiteralComparators-inl.hpp:586:11: 
error: ‘current_literal’ may be used uninitialized in this function 
[-Werror=maybe-uninitialized]
/home/song/Documents/code/quickstep-with-BW/types/operations/comparisons/LiteralComparators-inl.hpp: 
In member function ‘quickstep::TypedValue 
quickstep::LiteralUncheckedComparator<ComparisonFunctor, LeftCppType, 
left_nullable, RightCppType, 
right_nullable>::accumulateValueAccessor(const quickstep::TypedValue&, 
quickstep::ValueAccessor*, quickstep::attribute_id) const [with 
ComparisonFunctor = quickstep::GreaterFunctor; LeftCppType = double; 
bool left_nullable = true; RightCppType = long int; bool 
right_nullable = false; quickstep::attribute_id = int]’:
/home/song/Documents/code/quickstep-with-BW/types/operations/comparisons/LiteralComparators-inl.hpp:547:15: 
error: ‘current_literal’ may be used uninitialized in this function 
[-Werror=maybe-uninitialized]

   LeftCppType current_literal;
               ^

/home/song/Documents/code/quickstep-with-BW/types/operations/comparisons/LiteralComparators-inl.hpp: 
In member function ‘quickstep::TypedValue 
quickstep::LiteralUncheckedComparator<ComparisonFunctor, LeftCppType, 
left_nullable, RightCppType, 
right_nullable>::accumulateValueAccessor(const quickstep::TypedValue&, 
quickstep::ValueAccessor*, quickstep::attribute_id) const [with 
ComparisonFunctor = quickstep::GreaterFunctor; LeftCppType = double; 
bool left_nullable = true; RightCppType = long int; bool 
right_nullable = true; quickstep::attribute_id = int]’:
/home/song/Documents/code/quickstep-with-BW/types/operations/comparisons/LiteralComparators-inl.hpp:547:15: 
error: ‘current_literal’ may be used uninitialized in this function 
[-Werror=maybe-uninitialized]
/home/song/Documents/code/quickstep-with-BW/types/operations/comparisons/LiteralComparators-inl.hpp: 
In member function ‘quickstep::TypedValue 
quickstep::LiteralUncheckedComparator<ComparisonFunctor, LeftCppType, 
left_nullable, RightCppType, 
right_nullable>::accumulateValueAccessor(const quickstep::TypedValue&, 
quickstep::ValueAccessor*, quickstep::attribute_id) const [with 
ComparisonFunctor = quickstep::GreaterFunctor; LeftCppType = float; 
bool left_nullable = true; RightCppType = float; bool right_nullable = 
false; quickstep::attribute_id = int]’:
/home/song/Documents/code/quickstep-with-BW/types/operations/comparisons/LiteralComparators-inl.hpp:586:11: 
error: ‘current_literal’ may be used uninitialized in this function 
[-Werror=maybe-uninitialized]
           if (this->compareDataPtrsHelper<true>(va_value, 
&current_literal)) {

           ^

/home/song/Documents/code/quickstep-with-BW/types/operations/comparisons/LiteralComparators-inl.hpp: 
In member function ‘quickstep::TypedValue 
quickstep::LiteralUncheckedComparator<ComparisonFunctor, LeftCppType, 
left_nullable, RightCppType, 
right_nullable>::accumulateValueAccessor(const quickstep::TypedValue&, 
quickstep::ValueAccessor*, quickstep::attribute_id) const [with 
ComparisonFunctor = quickstep::GreaterFunctor; LeftCppType = float; 
bool left_nullable = true; RightCppType = float; bool right_nullable = 
true; quickstep::attribute_id = int]’:
/home/song/Documents/code/quickstep-with-BW/types/operations/comparisons/LiteralComparators-inl.hpp:586:11: 
error: ‘current_literal’ may be used uninitialized in this function 
[-Werror=maybe-uninitialized]
/home/song/Documents/code/quickstep-with-BW/types/operations/comparisons/LiteralComparators-inl.hpp: 
In member function ‘quickstep::TypedValue 
quickstep::LiteralUncheckedComparator<ComparisonFunctor, LeftCppType, 
left_nullable, RightCppType, 
right_nullable>::accumulateValueAccessor(const quickstep::TypedValue&, 
quickstep::ValueAccessor*, quickstep::attribute_id) const [with 
ComparisonFunctor = quickstep::GreaterFunctor; LeftCppType = long int; 
bool left_nullable = true; RightCppType = double; bool right_nullable 
= false; quickstep::attribute_id = int]’:
/home/song/Documents/code/quickstep-with-BW/types/operations/comparisons/LiteralComparators-inl.hpp:547:15: 
error: ‘current_literal’ may be used uninitialized in this function 
[-Werror=maybe-uninitialized]

   LeftCppType current_literal;
               ^

/home/song/Documents/code/quickstep-with-BW/types/operations/comparisons/LiteralComparators-inl.hpp: 
In member function ‘quickstep::TypedValue 
quickstep::LiteralUncheckedComparator<ComparisonFunctor, LeftCppType, 
left_nullable, RightCppType, 
right_nullable>::accumulateValueAccessor(const quickstep::TypedValue&, 
quickstep::ValueAccessor*, quickstep::attribute_id) const [with 
ComparisonFunctor = quickstep::GreaterFunctor; LeftCppType = long int; 
bool left_nullable = true; RightCppType = double; bool right_nullable 
= true; quickstep::attribute_id = int]’:
/home/song/Documents/code/quickstep-with-BW/types/operations/comparisons/LiteralComparators-inl.hpp:547:15: 
error: ‘current_literal’ may be used uninitialized in this function 
[-Werror=maybe-uninitialized]
/home/song/Documents/code/quickstep-with-BW/types/operations/comparisons/LiteralComparators-inl.hpp: 
In member function ‘quickstep::TypedValue 
quickstep::LiteralUncheckedComparator<ComparisonFunctor, LeftCppType, 
left_nullable, RightCppType, 
right_nullable>::accumulateValueAccessor(const quickstep::TypedValue&, 
quickstep::ValueAccessor*, quickstep::attribute_id) const [with 
ComparisonFunctor = quickstep::GreaterFunctor; LeftCppType = long int; 
bool left_nullable = true; RightCppType = long int; bool 
right_nullable = false; quickstep::attribute_id = int]’:
/home/song/Documents/code/quickstep-with-BW/types/operations/comparisons/LiteralComparators-inl.hpp:547:15: 
error: ‘current_literal’ may be used uninitialized in this function 
[-Werror=maybe-uninitialized]
/home/song/Documents/code/quickstep-with-BW/types/operations/comparisons/LiteralComparators-inl.hpp: 
In member function ‘quickstep::TypedValue 
quickstep::LiteralUncheckedComparator<ComparisonFunctor, LeftCppType, 
left_nullable, RightCppType, 
right_nullable>::accumulateValueAccessor(const quickstep::TypedValue&, 
quickstep::ValueAccessor*, quickstep::attribute_id) const [with 
ComparisonFunctor = quickstep::GreaterFunctor; LeftCppType = long int; 
bool left_nullable = true; RightCppType = long int; bool 
right_nullable = true; quickstep::attribute_id = int]’:
/home/song/Documents/code/quickstep-with-BW/types/operations/comparisons/LiteralComparators-inl.hpp:547:15: 
error: ‘current_literal’ may be used uninitialized in this function 
[-Werror=maybe-uninitialized]

At global scope:

cc1plus: error: unrecognized command line option 
‘-Wno-return-type-c-linkage’ [-Werror]

cc1plus: all warnings being treated as errors

types/operations/comparisons/CMakeFiles/quickstep_types_operations_comparisons_GreaterComparison.dir/build.make:62: 
recipe for target 
'types/operations/comparisons/CMakeFiles/quickstep_types_operations_comparisons_GreaterComparison.dir/GreaterComparison.cpp.o' 
failed
make[2]: *** 
[types/operations/comparisons/CMakeFiles/quickstep_types_operations_comparisons_GreaterComparison.dir/GreaterComparison.cpp.o] 
Error 1
CMakeFiles/Makefile2:73202: recipe for target 
'types/operations/comparisons/CMakeFiles/quickstep_types_operations_comparisons_GreaterComparison.dir/all' 
failed
make[1]: *** 
[types/operations/comparisons/CMakeFiles/quickstep_types_operations_comparisons_GreaterComparison.dir/all] 
Error 2

make[1]: *** Waiting for unfinished jobs....



--
Thanks,
Harshad























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