Compilation is failing

[00pauln00]

pauln@localhost:~/Code/net_sanitizer$ gcc -v
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/libexec/gcc/x86_64-redhat-linux/8/lto-wrapper
OFFLOAD_TARGET_NAMES=nvptx-none
OFFLOAD_TARGET_DEFAULT=1
Target: x86_64-redhat-linux
Configured with: ../configure --enable-bootstrap --enable-languages=c,c++,fortran,objc,obj-c++,ada,go,lto --prefix=/usr --mandir=/usr/share/man --infodir=/usr/share/info --with-bugurl=http://bugzilla.redhat.com/bugzilla --enable-shared --enable-threads=posix --enable-checking=release --enable-multilib --with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions --enable-gnu-unique-object --enable-linker-build-id --with-gcc-major-version-only --with-linker-hash-style=gnu --enable-plugin --enable-initfini-array --with-isl --enable-libmpx --enable-offload-targets=nvptx-none --without-cuda-driver --enable-gnu-indirect-function --enable-cet --with-tune=generic --with-arch_32=i686 --build=x86_64-redhat-linux
Thread model: posix
gcc version 8.2.1 20181215 (Red Hat 8.2.1-6) (GCC)

pauln@localhost:~/Code/net_sanitizer$ PATH=$PATH:/usr/lib64/mpich/bin/ make
mpicc -Wall -std=c11 -g -c net_sanitizer.c
net_sanitizer.c: In function ‘run_test_alltoall_pair’:
net_sanitizer.c:881:17: warning: ‘end’ may be used uninitialized in this function [-Wmaybe-uninitialized]
return (end - start);
~~~~~^~~~~~~~
net_sanitizer.c: In function ‘run_test_alltoall.constprop’:
net_sanitizer.c:196:42: warning: ‘step_exec_time’ may be used uninitialized in this function [-Wmaybe-uninitialized]
res->iops = (double) npeers * niters / exec_time;
~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~
net_sanitizer.c:886:33: note: ‘step_exec_time’ was declared here
double total_exec_time = 0, step_exec_time;
^~~~~~~~~~~~~~

[sydidelot]

Thanks for reporting the issue. The 2 following commits that are merged in master should fix the compilation failure:

• c30b104
• a6a15a8