hi,
after cvs update -Pd mysql-client
i do :
ns# make clean
===> Cleaning for mysql-client-3.23.49nb3
ns# uname -sr
NetBSD 1.6
ns# make
=> Checksum OK for mysql-3.23.49.tar.gz.
===> Extracting for mysql-client-3.23.49nb3
===> Required installed package perl>=5.0: perl-5.8.0 found
===> Required installed package libtool-base>=1.4.20010614nb9: 
libtool-base-1.4.20010614nb9 found
2+0 records in
2+0 records out
20480 bytes transferred in 0.001 secs (20480000 bytes/sec)
cd 
/usr/pkgsrc/databases/mysql-client/work.i386/mysql-3.23.49;                                                   
for dir in dbug heap isam merge mysys strings; do               /bin/mv 
${dir}/Makefile.in ${dir}/Makefile.in.orig;     /usr/bin/sed -e 
"/^install-exec:/s/install-pkglibLIBRARIES//"   ${dir}/Makefile.in.orig 
 > ${dir}/Makefile.in;   done
cd 
/usr/pkgsrc/databases/mysql-client/work.i386/mysql-3.23.49/scripts;                                           
for file in mysql_install_db.sh safe_mysqld.sh; do              /bin/mv 
${file} ${file}.orig;                           /usr/bin/sed -e 
"s,chown,/usr/sbin/chown,g"                             ${file}.orig > 
${file};                         /bin/rm 
${file}.orig;                                   done
===> Patching for mysql-client-3.23.49nb3
===> Applying NetBSD patches for mysql-client-3.23.49nb3
===> Buildlinking for mysql-client-3.23.49nb3
===> Configuring for mysql-client-3.23.49nb3
creating cache ./config.cache
checking host system type... i386--netbsdelf
checking target system type... i386--netbsdelf
checking build system type... i386--netbsdelf
checking for a BSD compatible install... /usr/bin/install -c -o root -g 
wheel
checking whether build environment is sane... yes
checking whether make sets ${MAKE}... yes
checking for working aclocal... missing
checking for working autoconf... found
checking for working automake... missing
checking for working autoheader... found
checking for working makeinfo... found
checking whether to enable maintainer-specific portions of Makefiles... no
checking whether build environment is sane... yes
checking whether make sets ${MAKE}... (cached) yes
checking for gawk... no
checking for mawk... no
checking for nawk... no
checking for awk... awk
checking for gcc... cc
checking whether the C compiler (cc -O2 -I/usr/pkg/include   
-Wl,/usr/pkg/lib/mysql -Wl,-R/usr/pkg/lib -L/usr/pkg/lib) works... no
configure: error: installation or configuration problem: C compiler 
cannot create executables.
*** Error code 1

Stop.
make: stopped in /usr/pkgsrc/databases/mysql-client
*** Error code 1

Stop.
make: stopped in /usr/pkgsrc/databases/mysql-client
ns#

so, this is a very impotant for me! :-(