mysql41-server upgrade stalls--but why?

[Jake Lloyd]

On a 5.1 box, that has already been running MySQL4.1 for some time...
Portupgrade failed to upgrade MySQL Sever from 4.1.12 to 4.1.13.
I tried
# cd /usr/ports/databases/mysql41-server
# make
but I got this:

  ===>  Building for mysql-server-4.1.13
make  all-recursive
Making all in include
make  all-am
Making all in Docs
Making all in strings
Making all in dbug
Making all in mysys
/bin/cp ./thr_alarm.c ./test_thr_alarm.c
/usr/local/bin/libtool15 --preserve-dup-deps --mode=link cc  -DDBUG_OFF 
-O -pipe -mcpu=pentiumpro -D_THREAD_SAFE   -rpath=/usr/local/lib -o 
test_thr_alarm -DDEFAULT_BASEDIR=\"/usr/local\" 
-DDATADIR="\"/var/db/mysql\""  -DDEFAULT_CHARSET_HOME="\"/usr/local\"" 
-DSHAREDIR="\"/usr/local/share/mysql\""  -DHAVE_CONFIG_H -I../include 
-I../include -I.  -DDBUG_OFF -O -pipe -mcpu=pentiumpro -D_THREAD_SAFE 
-DMAIN  ./test_thr_alarm.c libmysys.a ../dbug/libdbug.a 
../strings/libmystrings.a -lc_r -lcrypt -lm  -lc_r
cc -DDBUG_OFF -O -pipe -mcpu=pentiumpro -D_THREAD_SAFE 
-rpath=/usr/local/lib -o test_thr_alarm -DDEFAULT_BASEDIR=\"/usr/local\" 
-DDATADIR=\"/var/db/mysql\" -DDEFAULT_CHARSET_HOME=\"/usr/local\" 
-DSHAREDIR=\"/usr/local/share/mysql\" -DHAVE_CONFIG_H -I../include 
-I../include -I. -DDBUG_OFF -O -pipe -mcpu=pentiumpro -D_THREAD_SAFE 
-DMAIN ./test_thr_alarm.c  libmysys.a ../dbug/libdbug.a 
../strings/libmystrings.a -lcrypt -lm
*** Error code 1

Stop in /usr/ports/databases/mysql41-server/work/mysql-4.1.13/mysys.
*** Error code 1

Stop in /usr/ports/databases/mysql41-server/work/mysql-4.1.13.
*** Error code 1

Stop in /usr/ports/databases/mysql41-server/work/mysql-4.1.13.
*** Error code 1

Stop in /usr/ports/databases/mysql41-server.
~

I don't know, what is the problem?
Thanks, very much

- Jake