cdrtools 3.01_1 build error on macOS 11

[pinodim]

:info:build smake: Error 133. *** Code 133 from command line for target '../incs/arm64-darwin-clang/avoffset.h'.
:info:build smake: The following command caused the error:
:info:build echo "	==> GENERATING include file \"../incs/arm64-darwin-clang/avoffset.h\""; \
:info:build 		OBJ/arm64-darwin-clang/avoffset > ../incs/arm64-darwin-clang/avoffset.h || \
:info:build 		 OBJ/arm64-darwin-clang/avoffset > ../incs/arm64-darwin-clang/avoffset.h
:info:build smake: Couldn't make 'all'.
:info:build smake: Leaving  'smake'[2] from directory '/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_sysutils_cdrtools/cdrtools/work/cdrtools-3.01/inc'
:info:build smake: Default commandline target: 'all'
:info:build smake: Doing                       exit(1)
:info:build smake: Operation not permitted. *** Code 1 from command line for target 'all'.
:info:build smake: The following command caused the error:
:info:build for MK in align_test.mk avoffset.mk ;					\
:info:build 	do								\
:info:build 		(							\
:info:build 		if [ -r ./$MK ] ; then					\
:info:build 			echo "	==> MAKING \"all\" ON SUBCOMPONENT \"SRCROOT/inc/$MK\""; "smake" -f $MK  XARCH=arm64-darwin-clang all;\
:info:build 		else							\
:info:build 			echo "NOTICE: Partial source (SRCROOT/inc/$MK) missing";\
:info:build 		fi							\
:info:build 		);							\
:info:build 	done
:info:build smake: Couldn't make 'all'.
:info:build smake: Leaving  'smake'[1] from directory '/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_sysutils_cdrtools/cdrtools/work/cdrtools-3.01/inc'
:info:build smake: Default commandline target: 'all'
:info:build smake: Doing                       exit(1)
:info:build smake: Operation not permitted. *** Code 1 from command line for target 'all'.
:info:build smake: The following command caused the error:
:info:build list="";							\
:info:build 	if [ -d TARGETS -a -f TARGETS/__slot ]; then				\
:info:build 		list=`echo TARGETS/[0123456789][0123456789]* |			\
:info:build 			sed -e 's;TARGETS/[0123456789][0123456789];;g' | sed -e 's;!@!;/;g'`;\
:info:build 	fi;									\
:info:build 	for DIR in ${list} ;							\
:info:build 	do									\
:info:build 		(								\
:info:build 		echo "	==> MAKING \"all\" ON SUBDIRECTORY \"SRCROOT/$DIR\"";\
:info:build 		if [ -d ./$DIR -a -r ./$DIR/Makefile ] ; then			\
:info:build 			cd ./$DIR && "smake"  XARCH=arm64-darwin-clang DIRNAME=SRCROOT/$DIR all;		\
:info:build 		else								\
:info:build 			echo "NOTICE: Partial source (SRCROOT/$DIR) missing";\
:info:build 		fi								\
:info:build 		);								\
:info:build 	done
:info:build smake: Couldn't make 'all'.
:info:build Command failed:  cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_sysutils_cdrtools/cdrtools/work/cdrtools-3.01" && smake all CC=/usr/bin/clang COPTX="-Os -Wno-error=implicit-function-declaration -arch arm64" DEFOSINCDIRS=/opt/local/include LDOPTX="-L/opt/local/lib -Wl,-headerpad_max_install_names -arch arm64" LDPATH= 
:info:build Exit code: 1
:error:build Failed to build cdrtools: command execution failed
:debug:build Error code: CHILDSTATUS 13940 1
:debug:build Backtrace: command execution failed
:debug:build     while executing
:debug:build "system {*}$notty {*}$callback {*}$nice $fullcmdstring"
:debug:build     invoked from within
:debug:build "command_exec -callback portprogress::target_progress_callback build"
:debug:build     (procedure "portbuild::build_main" line 8)
:debug:build     invoked from within
:debug:build "$procedure $targetname"
:error:build See /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_sysutils_cdrtools/cdrtools/main.log for details.