-cflags += '-D_GNU_SOURCE'
-sources = common_sources + env_sources
-objs = common_objs + env_objs
-headers = common_headers + env_headers
-includes = eal_inc
+if dpdk_conf.has('RTE_USE_LIBBSD')
+ ext_deps += libbsd
+endif
+if cc.has_function('getentropy', prefix : '#include <unistd.h>')
+ cflags += '-DRTE_LIBEAL_USE_GETENTROPY'
+endif
+if cc.has_header('getopt.h')
+ cflags += ['-DHAVE_GETOPT_H', '-DHAVE_GETOPT', '-DHAVE_GETOPT_LONG']
+endif