Only enable fcf-protection on x86 based processors (#1768)

Author: lmarz

cmake/compilers/GNU.cmake

@@ -107,7 +107,7 @@ endif ()
 set(TBB_COMMON_COMPILE_FLAGS ${TBB_COMMON_COMPILE_FLAGS} -fno-strict-overflow -fno-delete-null-pointer-checks -fwrapv)
 set(TBB_COMMON_COMPILE_FLAGS ${TBB_COMMON_COMPILE_FLAGS} -Wformat -Wformat-security -Werror=format-security
     -fstack-protector-strong )
-if (NOT CMAKE_SYSTEM_PROCESSOR MATCHES "aarch64" AND NOT EMSCRIPTEN)
+if (CMAKE_SYSTEM_PROCESSOR MATCHES "(AMD64|amd64|i.86|x86)" AND NOT EMSCRIPTEN)
     set(TBB_LIB_COMPILE_FLAGS ${TBB_LIB_COMPILE_FLAGS} $<$<NOT:$<VERSION_LESS:${CMAKE_CXX_COMPILER_VERSION},8.0>>:-fcf-protection=full>)
 endif ()
 set(TBB_LIB_COMPILE_FLAGS ${TBB_LIB_COMPILE_FLAGS} $<$<NOT:$<VERSION_LESS:${CMAKE_CXX_COMPILER_VERSION},8.0>>:-fstack-clash-protection>)