Problem building kde-3.5.6 on Sparc Solaris 10

Hi, I'm trying to build kde-3.5.6 on Sparc Solaris 10 and I get the following
error when building kdelibs3. Any ideas how to fix it?

if /bin/ksh ../libtool --silent --tag=CXX --mode=compile g++ -DHAVE_CONFIG_H -I. -I. -I.. -I../dcop -I../kdecore -I../kio/kssl -I. -I/opt/pkg/include -I../dcop -I../libltdl -I../kdefx -I../kdecore -I../kdecore -I../kdecore/network -I../kdeui -I../kio -I../kio/kio -I../kio/kfile -I.. -I/opt/pkg/qt3/include -I/usr/openwin/include -I/opt/pkg/include -I/opt/pkg/include -I/usr/openwin/include  -mt -DQT_THREAD_SUPPORT -DPNG_NO_ASSEMBLER_CODE -I/opt/pkg/include -I/opt/pkg/include/krb5 -I/opt/pkg/include/db4 -I/opt/pkg/qt3/include -DGLX_GLXEXT_LEGACY -I/opt/pkg/include/freetype2 -I/usr/include -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_SOLARIS -DSVR4  -Wno-long-long -Wundef -Wall -W -Wpointer-arith -DNDEBUG -DNO_DEBUG -O2 -O -I/opt/pkg/include -I/opt/pkg/include/krb5 -I/opt/pkg/include/db4 -I/opt/pkg/qt3/include -DGLX_GLXEXT_LEGACY -I/opt/pkg/include/freetype2 -I/usr/include -Wno-non-virtual-
 dtor -fno-exceptions -fno-check-new -fno-common  -DQT_CLEAN_NAMESPACE -DQT_NO_ASCII_CAST -
 DQT_NO_STL -DQT_NO_COMPAT -DQT_NO_TRANSLATION  -MT operations.lo -MD -MP -MF ".deps/operations.Tpo" -c -o operations.lo operations.cpp; \
        then mv -f ".deps/operations.Tpo" ".deps/operations.Plo"; else rm -f ".deps/operations.Tpo"; exit 1; fi
operations.cpp: In function 'bool KJS::isInf(double)':
operations.cpp:70: error: 'isinf' was not declared in this scope
operations.cpp: In function 'bool KJS::isPosInf(double)':
operations.cpp:83: error: 'isinf' was not declared in this scope
operations.cpp: In function 'bool KJS::isNegInf(double)':
operations.cpp:96: error: 'isinf' was not declared in this scope

...

gmake[3]: *** [operations.lo] Error 1
gmake[3]: Leaving directory `/opt/pkg.obj/x11/kdelibs3/work.ultra10/kdelibs-3.5.6/kjs'
gmake[2]: *** [all] Error 2
gmake[2]: Leaving directory `/opt/pkg.obj/x11/kdelibs3/work.ultra10/kdelibs-3.5.6/kjs'
gmake[1]: *** [all-recursive] Error 1
gmake[1]: Leaving directory `/opt/pkg.obj/x11/kdelibs3/work.ultra10/kdelibs-3.5.6'
gmake: *** [all] Error 2
*** Error code 2

Stop.
bmake: stopped in /opt/pkgsrc/x11/kdelibs3
*** Error code 1

___________________________________________________
This message is from the kde-solaris mailing list.
Account management:  https://mail.kde.org/mailman/listinfo/kde-solaris.
Archives: http://lists.kde.org/.
More info: http://www.kde.org/faq.html.