So? my site also has pa-1.1 software. It's built on 10.20, but should be usable on 11.x too.
FWIW, here's what I use on 10.20 to build gcc-3.x/32 with gcc as compiler:
--8<---
#!/usr/bin/sh
export LD_PXDB=/usr/bin/true
export CONFIG_SITE=
export CC="gcc -B/usr/local/pa11_32/bin"
export PATH=.:/usr/local/pa11_32/bin:/pro/local/bin
export PATH=$PATH"":/usr/bin:/opt/ansic/bin:/usr/ccs/bin:/opt/langtools/bin
export PATH=$PATH"":/opt/imake/bin
rm -rf obj
mkdir obj
cd obj
../src/configure --enable-languages=c,c++ --prefix=/usr/local/pa11_32 --with-local-prefix=/usr/local/pa11_32 --with-gnu-as --with-as=/usr/local/pa11_32/bin/as --with-ld=/usr/ccs/bin/ld --disable-shared --disable-nls --host=hppa1.1-hp-hpux10.20
cd obj
make bootstrap-lean
make install
-->8---
Enjoy, have FUN! H.Merijn
Enjoy, Have FUN! H.Merijn