g++ warning

gistfile1.txt

g++-6 -v -save-temps -O2 campaigns/1350_tmp.cpp -std=c++11 -g -o campaigns/1350_3.so -shared -fPIC -Wall -Wconversion -Wsign-compare -pedantic-errors -I data/
Using built-in specs.
COLLECT_GCC=g++-6
COLLECT_LTO_WRAPPER=/usr/lib64/gcc/x86_64-suse-linux/6/lto-wrapper
Target: x86_64-suse-linux
Configured with: ../configure --prefix=/usr --infodir=/usr/share/info --mandir=/usr/share/man --libdir=/usr/lib64 --libexecdir=/usr/lib64 --enable-languages=c,c++,objc,fortran,obj-c++,java,ada,go --enable-offload-targets=hsa --enable-checking=release --with-gxx-include-dir=/usr/include/c++/6 --enable-ssp --disable-libssp --disable-libvtv --disable-libcc1 --disable-plugin --with-bugurl=http://bugs.opensuse.org/ --with-pkgversion='SUSE Linux' --disable-libgcj --with-slibdir=/lib64 --with-system-zlib --enable-__cxa_atexit --enable-libstdcxx-allocator=new --disable-libstdcxx-pch --with-default-libstdcxx-abi=gcc4-compatible --enable-version-specific-runtime-libs --enable-linker-build-id --enable-linux-futex --program-suffix=-6 --without-system-libunwind --enable-multilib --with-arch-32=x86-64 --with-tune=generic --build=x86_64-suse-linux --host=x86_64-suse-linux
Thread model: posix
gcc version 6.1.1 20160707 [gcc-6-branch revision 238088] (SUSE Linux) 
COLLECT_GCC_OPTIONS='-v' '-save-temps' '-O2' '-std=c++11' '-g' '-o' 'campaigns/1350_3.so' '-shared' '-fPIC' '-Wall' '-Wconversion' '-Wsign-compare' '-pedantic-errors' '-I' 'data/' '-shared-libgcc' '-mtune=generic' '-march=x86-64'
 /usr/lib64/gcc/x86_64-suse-linux/6/cc1plus -E -quiet -v -I data/ -D_GNU_SOURCE campaigns/1350_tmp.cpp -mtune=generic -march=x86-64 -std=c++11 -Wall -Wconversion -Wsign-compare -pedantic-errors -fPIC -g -fworking-directory -O2 -fpch-preprocess -o 1350_tmp.ii
#include "..." search starts here:
#include <...> search starts here:
 data/
 /usr/include/c++/6
 /usr/include/c++/6/x86_64-suse-linux
 /usr/include/c++/6/backward
 /usr/lib64/gcc/x86_64-suse-linux/6/include
 /usr/local/include
 /usr/lib64/gcc/x86_64-suse-linux/6/include-fixed
 /usr/lib64/gcc/x86_64-suse-linux/6/../../../../x86_64-suse-linux/include
 /usr/include
End of search list.
COLLECT_GCC_OPTIONS='-v' '-save-temps' '-O2' '-std=c++11' '-g' '-o' 'campaigns/1350_3.so' '-shared' '-fPIC' '-Wall' '-Wconversion' '-Wsign-compare' '-pedantic-errors' '-I' 'data/' '-shared-libgcc' '-mtune=generic' '-march=x86-64'
 /usr/lib64/gcc/x86_64-suse-linux/6/cc1plus -fpreprocessed 1350_tmp.ii -quiet -dumpbase 1350_tmp.cpp -mtune=generic -march=x86-64 -auxbase 1350_tmp -g -O2 -Wall -Wconversion -Wsign-compare -pedantic-errors -std=c++11 -version -fPIC -o 1350_tmp.s
GNU C++11 (SUSE Linux) version 6.1.1 20160707 [gcc-6-branch revision 238088] (x86_64-suse-linux)
        compiled by GNU C version 6.1.1 20160707 [gcc-6-branch revision 238088], GMP version 5.1.3, MPFR version 3.1.2, MPC version 1.0.2, isl version none
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
GNU C++11 (SUSE Linux) version 6.1.1 20160707 [gcc-6-branch revision 238088] (x86_64-suse-linux)
        compiled by GNU C version 6.1.1 20160707 [gcc-6-branch revision 238088], GMP version 5.1.3, MPFR version 3.1.2, MPC version 1.0.2, isl version none
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
Compiler executable checksum: f438e5d908af45b76913bcfd02e237dc
campaigns/1350_tmp.cpp: In function ‘unsigned char eva(evaluation_condition*, evaluation_status*, std::string*)’:
campaigns/1350_tmp.cpp:16:11: warning: unused variable ‘Campaign’ [-Wunused-variable]
  campaign Campaign;
           ^~~~~~~~
campaigns/1350_tmp.cpp:17:7: warning: unused variable ‘Page’ [-Wunused-variable]
  page Page;
       ^~~~
campaigns/1350_tmp.cpp:23:8: warning: variable ‘Local’ set but not used [-Wunused-but-set-variable]
  _Time Local = *condition->Local;
        ^~~~~
campaigns/1350_tmp.cpp:24:8: warning: variable ‘UTC’ set but not used [-Wunused-but-set-variable]
  _Time UTC = *condition->UTC;
        ^~~
campaigns/1350_tmp.cpp: In function ‘unsigned char recalc_weight(evaluation_condition*, evaluation_status*, pmString*)’:
campaigns/1350_tmp.cpp:55:11: warning: unused variable ‘Campaign’ [-Wunused-variable]
  campaign Campaign;
           ^~~~~~~~
campaigns/1350_tmp.cpp:56:7: warning: unused variable ‘Page’ [-Wunused-variable]
  page Page;
       ^~~~
campaigns/1350_tmp.cpp:62:8: warning: variable ‘Local’ set but not used [-Wunused-but-set-variable]
  _Time Local = *condition->Local;
        ^~~~~
campaigns/1350_tmp.cpp:63:8: warning: variable ‘UTC’ set but not used [-Wunused-but-set-variable]
  _Time UTC = *condition->UTC;
        ^~~
campaigns/1350_tmp.cpp:68:2: warning: label ‘end’ defined but not used [-Wunused-label]
  end:
  ^~~
COLLECT_GCC_OPTIONS='-v' '-save-temps' '-O2' '-std=c++11' '-g' '-o' 'campaigns/1350_3.so' '-shared' '-fPIC' '-Wall' '-Wconversion' '-Wsign-compare' '-pedantic-errors' '-I' 'data/' '-shared-libgcc' '-mtune=generic' '-march=x86-64'
 /usr/lib64/gcc/x86_64-suse-linux/6/../../../../x86_64-suse-linux/bin/as -v -I data/ --64 -o 1350_tmp.o 1350_tmp.s
GNU assembler version 2.25.0 (x86_64-suse-linux) using BFD version (GNU Binutils; openSUSE Leap 42.1) 2.25.0
COMPILER_PATH=/usr/lib64/gcc/x86_64-suse-linux/6/:/usr/lib64/gcc/x86_64-suse-linux/6/:/usr/lib64/gcc/x86_64-suse-linux/:/usr/lib64/gcc/x86_64-suse-linux/6/:/usr/lib64/gcc/x86_64-suse-linux/:/usr/lib64/gcc/x86_64-suse-linux/6/../../../../x86_64-suse-linux/bin/
LIBRARY_PATH=/usr/lib64/gcc/x86_64-suse-linux/6/:/usr/lib64/gcc/x86_64-suse-linux/6/../../../../lib64/:/lib/../lib64/:/usr/lib/../lib64/:/usr/lib64/gcc/x86_64-suse-linux/6/../../../../x86_64-suse-linux/lib/:/usr/lib64/gcc/x86_64-suse-linux/6/../../../:/lib/:/usr/lib/
COLLECT_GCC_OPTIONS='-v' '-save-temps' '-O2' '-std=c++11' '-g' '-o' 'campaigns/1350_3.so' '-shared' '-fPIC' '-Wall' '-Wconversion' '-Wsign-compare' '-pedantic-errors' '-I' 'data/' '-shared-libgcc' '-mtune=generic' '-march=x86-64'
 /usr/lib64/gcc/x86_64-suse-linux/6/collect2 -plugin /usr/lib64/gcc/x86_64-suse-linux/6/liblto_plugin.so -plugin-opt=/usr/lib64/gcc/x86_64-suse-linux/6/lto-wrapper -plugin-opt=-fresolution=1350_tmp.res -plugin-opt=-pass-through=-lgcc_s -plugin-opt=-pass-through=-lc -plugin-opt=-pass-through=-lgcc_s --build-id --eh-frame-hdr -m elf_x86_64 -shared -o campaigns/1350_3.so /usr/lib64/gcc/x86_64-suse-linux/6/../../../../lib64/crti.o /usr/lib64/gcc/x86_64-suse-linux/6/crtbeginS.o -L/usr/lib64/gcc/x86_64-suse-linux/6 -L/usr/lib64/gcc/x86_64-suse-linux/6/../../../../lib64 -L/lib/../lib64 -L/usr/lib/../lib64 -L/usr/lib64/gcc/x86_64-suse-linux/6/../../../../x86_64-suse-linux/lib -L/usr/lib64/gcc/x86_64-suse-linux/6/../../.. 1350_tmp.o -lstdc++ -lm -lgcc_s -lc -lgcc_s /usr/lib64/gcc/x86_64-suse-linux/6/crtendS.o /usr/lib64/gcc/x86_64-suse-linux/6/../../../../lib64/crtn.o
COLLECT_GCC_OPTIONS='-v' '-save-temps' '-O2' '-std=c++11' '-g' '-o' 'campaigns/1350_3.so' '-shared' '-fPIC' '-Wall' '-Wconversion' '-Wsign-compare' '-pedantic-errors' '-I' 'data/' '-shared-libgcc' '-mtune=generic' '-march=x86-64'