check_c_source_compiles("
#include <sys/types.h>
#include <sys/socket.h>
#include <fcntl.h>
int
main(int argc, char *argv[])
{
	int fd = 0, val = 1, rv;
	socklen_t valLen = sizeof(val);
	rv = setsockopt(fd, SOL_SOCKET, SO_REUSEPORT, &val, valLen);
	return (rv != 0);
}
" HAVE_SO_REUSEPORT)

check_symbol_exists(SO_REUSEPORT "sys/types.h;sys/socket.h" HAVE_SO_REUSEPORT)

target_compile_definitions(${TR_NAME}
    PRIVATE
        __TRANSMISSION__
        WIDE_INTEGER_DISABLE_FLOAT_INTEROP
        WIDE_INTEGER_DISABLE_IOSTREAM
        PACKAGE_DATA_DIR="${CMAKE_INSTALL_FULL_DATAROOTDIR}"
        $<$<BOOL:${WITH_INOTIFY}>:WITH_INOTIFY>
        $<$<BOOL:${WITH_KQUEUE}>:WITH_KQUEUE>
        $<$<BOOL:${ENABLE_UTP}>:WITH_UTP>
        $<$<BOOL:${USE_SYSTEM_B64}>:USE_SYSTEM_B64>
        $<$<BOOL:${HAVE_SO_REUSEPORT}>:HAVE_SO_REUSEPORT=1>
    PUBLIC
        $<$<STREQUAL:${CRYPTO_PKG},ccrypto>:WITH_CCRYPTO>
        $<$<STREQUAL:${CRYPTO_PKG},mbedtls>:WITH_MBEDTLS>
        $<$<STREQUAL:${CRYPTO_PKG},openssl>:WITH_OPENSSL>
        $<$<STREQUAL:${CRYPTO_PKG},wolfssl>:WITH_WOLFSSL>
        $<$<BOOL:${Intl_FOUND}>:ENABLE_GETTEXT>)

check_symbol_exists ( SO_REUSEPORT "sys/types.h;sys/socket.h" HAVE_SO_REUSEPORT )