let Vc detect icpx as Intel compiler and test it in the CI

Author: bernhardmgruber

.github/workflows/ci.yaml

@@ -35,9 +35,9 @@ jobs:
           - name: build-ubuntu-icpc
             CXX: icpc
             INSTALL_ONEAPI: true
-          #- name: build-ubuntu-icpx
-          #  CXX: icpx
-          #  INSTALL_ONEAPI: true
+          - name: build-ubuntu-icpx
+            CXX: icpx
+            INSTALL_ONEAPI: true
     steps:
       - uses: actions/checkout@v2
         with:

cmake/VcMacros.cmake

@@ -47,7 +47,7 @@ macro(vc_determine_compiler)
       set(Vc_COMPILER_IS_CLANG false)
       set(Vc_COMPILER_IS_MSVC false)
       set(Vc_COMPILER_IS_GCC false)
-      if(CMAKE_CXX_COMPILER MATCHES "/(icpc|icc)$")
+      if(CMAKE_CXX_COMPILER MATCHES "/(icpc|icc|icpcx|icx)$")
          set(Vc_COMPILER_IS_INTEL true)
          exec_program(${CMAKE_CXX_COMPILER} ARGS -dumpversion OUTPUT_VARIABLE Vc_ICC_VERSION)
          message(STATUS "Detected Compiler: Intel ${Vc_ICC_VERSION}")