Support the NVHPC compiler

This compiler does not support the -fstack-protector-all flag, which is therefore removed from ReleaseDebugAutoFlags.cmake.

Author: bernhardmgruber

cmake/modules/ReleaseDebugAutoFlags.cmake

@@ -9,6 +9,14 @@ if(MSVC)
     set(CMAKE_CXX_FLAGS_RELEASE  "-O2")
     set(CMAKE_CXX_FLAGS_DEBUG  "-Wall")
     set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O2 -Wall")
+elseif (CMAKE_CXX_COMPILER_ID STREQUAL "NVHPC")
+    set(CMAKE_C_FLAGS_RELEASE  "-O2 -Wno-unused-parameter")
+    set(CMAKE_C_FLAGS_DEBUG  "-g -Wall -Wextra -pedantic -Wno-unused-parameter")
+    set(CMAKE_C_FLAGS_RELWITHDEBINFO " -Wall -g -O2")
+
+    set(CMAKE_CXX_FLAGS_RELEASE  "-Wall -Wextra -Wno-unused-parameter -O2")
+    set(CMAKE_CXX_FLAGS_DEBUG  "-g -Wall -Wextra -Wno-unused-parameter")
+    set(CMAKE_CXX_FLAGS_RELWITHDEBINFO " -Wall -Wextra -Wno-unused-parameter -g -O2")
 else()
     set(CMAKE_C_FLAGS_RELEASE  "-O2 -Wno-unused-parameter")
     set(CMAKE_C_FLAGS_DEBUG  "-g -Wall -Wextra -pedantic -fstack-protector-all -Wno-unused-parameter")