cmake: fix clang build and few minor fixes

[vpp.git] / src / cmake / cpu.cmake

diff --git a/src/cmake/cpu.cmake b/src/cmake/cpu.cmake
index 9a0dfdd..0e1171d 100644 (file)
--- a/src/cmake/cpu.cmake
+++ b/src/cmake/cpu.cmake
@@ -17,12 +17,12 @@
 if(CMAKE_SYSTEM_PROCESSOR MATCHES "amd64.*|x86_64.*|AMD64.*")
   set(CMAKE_C_FLAGS "-march=corei7 -mtune=corei7-avx ${CMAKE_C_FLAGS}")
   set(VPP_LIB_DIR_NAME lib64)
-  check_c_compiler_flag("-march=core-avx2" AVX2)
-  if(AVX2)
+  check_c_compiler_flag("-march=core-avx2" compiler_flag_march_core_avx2)
+  if(compiler_flag_march_core_avx2)
     list(APPEND MARCH_VARIANTS "avx2\;-march=core-avx2 -mtune=core-avx2")
   endif()
-  check_c_compiler_flag("-march=skylake-avx512" AVX512)
-  if(AVX512)
+  check_c_compiler_flag("-march=skylake-avx512" compiler_flag_march_skylake_avx512)
+  if(compiler_flag_march_skylake_avx512)
     list(APPEND MARCH_VARIANTS "avx512\;-march=skylake-avx512 -mtune=skylake-avx512")
   endif()
 elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(aarch64.*|AARCH64.*)")