Problem in installing DBD::Pg Driver on Cygwin

["Louis, Martin X." <MXLouis at LMUS dot LeggMason dot com>]

$ make
rm -f blib/arch/auto/DBD/Pg/Pg.dll
LD_RUN_PATH="" ld2  -s -L/usr/local/lib Pg.o dbdimp.o quote.o types.o  -o
blib/arch/auto/DBD/Pg/Pg.d
ll  /usr/lib/perl5/5.8/cygwin/CORE/libperl.dll.a -L/usr/lib -lpq
gcc -shared -o  Pg.dll -Wl,--out-implib=libPg.dll.a -Wl,--export-all-symbols
-Wl,--enable-auto-impor
t -Wl,--stack,8388608 \
-s -L/usr/local/lib Pg.o dbdimp.o quote.o types.o
/usr/lib/perl5/5.8/cygwin/CORE/libperl.dll.a -L/u
sr/lib -lpq
Creating library file: libPg.dll.a
dbdimp.o(.text+0x2df9):dbdimp.c: undefined reference to `_PQprepare'
collect2: ld returned 1 exit status
perlld: *** system() failed to execute
gcc -shared -o  Pg.dll -Wl,--out-implib=libPg.dll.a -Wl,--export-all-symbols
-Wl,--enable-auto-impor
t -Wl,--stack,8388608 \
-s -L/usr/local/lib Pg.o dbdimp.o quote.o types.o
/usr/lib/perl5/5.8/cygwin/CORE/libperl.dll.a -L/u
sr/lib -lpq

make: *** [blib/arch/auto/DBD/Pg/Pg.dll] Error 1
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