pkg/42897: graphics/netpbm-10.35.73 fails to link on Solaris 10

[kordex%gmail.com@localhost]

>Number:         42897
>Category:       pkg
>Synopsis:       graphics/netpbm-10.35.73 fails to link on Solaris 10
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    pkg-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sun Feb 28 13:30:01 +0000 2010
>Originator:     Mikko Kortelainen
>Release:        -
>Organization:
xnet.fi
>Environment:
SunOS flexnet 5.10 Generic sun4u sparc SUNW,Netra-T4

>Description:
gcc -o pnmtopng pnmtopng.o pngtxt.o \
           
-L/export/home/kordex/pkgsrc/graphics/netpbm/work/netpbm-10.35.73/lib -lnetpbm \
          -Wl,-R/export/home/kordex/pkg/lib -L/export/home/kordex/pkg/lib 
-lpng12 -lm -L/export/home/kordex/pkg/lib -Wl,-R/export/home/kordex/pkg/lib 
-L/usr/
lib -Wl,-R/usr/lib
Undefined                       first referenced
 symbol                             in file
zlibVersion                         pnmtopng.o  (symbol belongs to implicit 
dependency /usr/lib/libz.so.1)
ld: fatal: Symbol referencing errors. No output written to pnmtopng
collect2: ld returned 1 exit status
gmake[2]: *** [pnmtopng] Error 1
gmake[2]: Leaving directory 
`/export/home/kordex/pkgsrc/graphics/netpbm/work/netpbm-10.35.73/converter/other'
gmake[1]: *** [other/all] Error 2
gmake[1]: Leaving directory 
`/export/home/kordex/pkgsrc/graphics/netpbm/work/netpbm-10.35.73/converter'
gmake: *** [converter/all] Error 2
*** Error code 2

Stop.
bmake: stopped in /export/home/kordex/pkgsrc/graphics/netpbm
*** Error code 1

Stop.
bmake: stopped in /export/home/kordex/pkgsrc/graphics/netpbm

>How-To-Repeat:
cd graphics/netpbm && bmake
>Fix: