Some compilers (on RHEL7 and CentOS7) were getting this error:
error: "RTE_EXEC_ENV_FREEBSD" is not defined [-Werror=undef]
Existence of a macro must be checked with "#ifdef" or "#if defined".
Fixes: d72e4042c5eb ("mem: exclude unused memory from core dump")
Signed-off-by: Thomas Monjalon <thomas@monjalon.net>
Tested-by: Raslan Darawsheh <rasland@mellanox.com>
27efcf2003