Move openmp from -std=c++14 to -std=c++17

Author: ronlieb

openmp/cmake/HandleOpenMPOptions.cmake

@@ -29,4 +29,4 @@ append_if(OPENMP_HAVE_WNO_EXTRA_FLAG "-Wno-extra" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
 append_if(OPENMP_HAVE_WNO_PEDANTIC_FLAG "-Wno-pedantic" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
 append_if(OPENMP_HAVE_WNO_MAYBE_UNINITIALIZED_FLAG "-Wno-maybe-uninitialized" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
 
-append_if(OPENMP_HAVE_STD_CPP14_FLAG "-std=c++14" CMAKE_CXX_FLAGS)
+append_if(OPENMP_HAVE_STD_CPP14_FLAG "-std=c++17" CMAKE_CXX_FLAGS)

openmp/cmake/config-ix.cmake

@@ -30,4 +30,4 @@ check_cxx_compiler_flag(-Wno-extra OPENMP_HAVE_WNO_EXTRA_FLAG)
 check_cxx_compiler_flag(-Wno-pedantic OPENMP_HAVE_WNO_PEDANTIC_FLAG)
 check_cxx_compiler_flag(-Wno-maybe-uninitialized OPENMP_HAVE_WNO_MAYBE_UNINITIALIZED_FLAG)
 
-check_cxx_compiler_flag(-std=c++14 OPENMP_HAVE_STD_CPP14_FLAG)
+check_cxx_compiler_flag(-std=c++17 OPENMP_HAVE_STD_CPP14_FLAG)

openmp/runtime/test/lit.cfg

@@ -127,9 +127,9 @@ config.substitutions.append(("%libomp-c99-compile-and-run", \
 config.substitutions.append(("%libomp-cxx-compile-and-run", \
     "%libomp-cxx-compile && %libomp-run"))
 config.substitutions.append(("%libomp-cxx-compile-c", \
-    "%clangXX %openmp_flags %flags -std=c++14 -x c++ %s -o %t" + libs))
+    "%clangXX %openmp_flags %flags -std=c++17 -x c++ %s -o %t" + libs))
 config.substitutions.append(("%libomp-cxx-compile", \
-    "%clangXX %openmp_flags %flags -std=c++14 %s -o %t" + libs))
+    "%clangXX %openmp_flags %flags -std=c++17 %s -o %t" + libs))
 config.substitutions.append(("%libomp-compile", \
     "%clang %openmp_flags %flags %s -o %t" + libs))
 config.substitutions.append(("%libomp-c99-compile", \

openmp/tools/archer/tests/lit.cfg

@@ -105,7 +105,7 @@ config.substitutions.append(("%libarcher-compile-and-run", \
 config.substitutions.append(("%libarcher-cxx-compile-and-run", \
     "%libarcher-cxx-compile && %libarcher-run"))
 config.substitutions.append(("%libarcher-cxx-compile", \
-    "%clang-archerXX %openmp_flags %archer_flags %flags -std=c++14 %s -o %t" + libs))
+    "%clang-archerXX %openmp_flags %archer_flags %flags -std=c++17 %s -o %t" + libs))
 config.substitutions.append(("%libarcher-compile", \
                              "%clang-archer %openmp_flags %archer_flags %flags %s -o %t" + libs))
 config.substitutions.append(("%libarcher-run-race", "%suppression %deflake %t 2>&1 | tee %t.log"))