Compilation with modern compilers and Solaris 7 = no go

[Jeff Blaine]

GROFF VERSION:
1.17.2

MACHINE:
Sun Enterprise 220R

OS:
Solaris 7

COMPILER:
gcc/g++ 2.95.3 (fails) and also Sun Forte 6.1 (fails)

INPUT FILES:
None

COMMAND LINE:
./configure

DESCRIPTION OF INCORRECT BEHAVIOUR:
groff-1.17.2% ./configure --prefix=/usr/local
checking for gcc... gcc
checking for C compiler default output... a.out
checking whether the C compiler works... yes
checking whether we are cross compiling... no
checking for executable suffix... 
checking for object suffix... o
checking whether we are using the GNU C compiler... yes
checking whether gcc accepts -g... yes
checking for g++... g++
checking whether we are using the GNU C++ compiler... yes
checking whether g++ accepts -g... yes
checking that C++ compiler can compile simple program... no
configure: error: a working C++ compiler is required

groff-1.17.2% PATH=/afs/rcf/apps/Forte/sun4x_57/v6.1/SUNWspro/bin:$PATH
groff-1.17.2% CXX=CC; CC=cc; LD=/usr/ccs/bin/ld
groff-1.17.2% ./configure --prefix=/usr/local
checking for gcc... cc
checking for C compiler default output... a.out
checking whether the C compiler works... yes
checking whether we are cross compiling... no
checking for executable suffix... 
checking for object suffix... o
checking whether we are using the GNU C compiler... no
checking whether cc accepts -g... yes
checking whether we are using the GNU C++ compiler... no
checking whether CC accepts -g... yes
checking that C++ compiler can compile simple program... yes
checking that C++ static constructors and destructors are called... no
configure: error: a working C++ compiler is required

SUGGESTED FIX [optional]: