fib: Adjacency realloc during rewrite update walk (VPP-1822)

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

diff --git a/src/cmake/cpu.cmake b/src/cmake/cpu.cmake
index 20dab7b..e5061fc 100644 (file)
--- a/src/cmake/cpu.cmake
+++ b/src/cmake/cpu.cmake
@@ -14,7 +14,12 @@
 ##############################################################################
 # Cache line size detection
 ##############################################################################
-if(CMAKE_SYSTEM_PROCESSOR MATCHES "^(aarch64.*|AARCH64.*)")
+if(CMAKE_CROSSCOMPILING)
+  message(STATUS "Cross-compiling - cache line size detection disabled")
+  set(VPP_LOG2_CACHE_LINE_SIZE 6)
+elseif(DEFINED VPP_LOG2_CACHE_LINE_SIZE)
+  # Cache line size assigned via cmake args
+elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(aarch64.*|AARCH64.*)")
   file(READ "/proc/cpuinfo" cpuinfo)
   string(REPLACE "\n" ";" cpuinfo ${cpuinfo})
   foreach(l ${cpuinfo})
@@ -71,7 +76,7 @@ elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(aarch64.*|AARCH64.*)")
   endif()
   check_c_compiler_flag("-march=armv8.1-a+crc+crypto -mtune=thunderx2t99" compiler_flag_march_thunderx2t99)
   if(compiler_flag_march_thunderx2t99)
-    if (CMAKE_C_COMPILER_VERSION VERSION_GREATER 7.3)
+    if (CMAKE_C_COMPILER_ID STREQUAL "GNU" AND (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 8.3))
       list(APPEND MARCH_VARIANTS "thunderx2t99\;-march=armv8.1-a+crc+crypto -mtune=thunderx2t99 -DCLIB_N_PREFETCHES=8")
     else()
       list(APPEND MARCH_VARIANTS "thunderx2t99\;-march=armv8.1-a+crc+crypto -DCLIB_N_PREFETCHES=8")