unrecognized command line option ‘-fno-plt’ ‘-std=c++17’

[ppriyank]

I'm using the gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-11) and g++ (GCC) 4.8.5 20150623 (Red Hat 4.8.5-11).

When I do the cmake .. : I get the following error,

/usr/bin/gcc -march=nocona -mtune=haswell -ftree-vectorize -fPIC
  -fstack-protector-strong -fno-plt -O2 -ffunction-sections -pipe -o
  CMakeFiles/cmTC_f37a4.dir/testCCompiler.c.o -c
  /scratch/pp1953/cml/attack1/warp-ctc/build/CMakeFiles/CMakeTmp/testCCompiler.c


  gcc: error: unrecognized command line option ‘-fno-plt’

Hence I add the following to CMakelists.txt

INCLUDE(CMakeForceCompiler)
CMAKE_FORCE_C_COMPILER(gcc GNU)
CMAKE_FORCE_CXX_COMPILER(g++ GNU)

and cmake starts to works. (with the following warning)

Detecting C compiler ABI info
-- Detecting C compiler ABI info - failed
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - failed

CMake Deprecation Warning at /share/apps/cmake/3.7.1/intel/share/cmake-3.7/Modules/CMakeForceCompiler.cmake:83 (message):
  The CMAKE_FORCE_CXX_COMPILER macro is deprecated.  Instead just set
  CMAKE_CXX_COMPILER and allow CMake to identify the compiler.
Call Stack (most recent call first):
  CMakeLists.txt:4 (CMAKE_FORCE_CXX_COMPILER)

Next when I do make, I get the following error and currently stuck here

Scanning dependencies of target warpctc
[ 20%] Building CXX object CMakeFiles/warpctc.dir/src/ctc_entrypoint.cpp.o
g++: error: unrecognized command line option ‘-std=c++17’
g++: error: unrecognized command line option ‘-fno-plt’
make[2]: *** [CMakeFiles/warpctc.dir/src/ctc_entrypoint.cpp.o] Error 1
make[1]: *** [CMakeFiles/warpc

[ppriyank]

A small update : When I see the reports of the people who were able to install the ctc correctly :

Their cmake .. shows the following :

-- The C compiler identification is GNU 4.8.5
-- The CXX compiler identification is GNU 4.8.5
-- Check for working C compiler: /usr/bin/cc
-- Check for working C compiler: /usr/bin/cc -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working CXX compiler: /usr/bin/c++
-- Check for working CXX compiler: /usr/bin/c++ -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done