Install problem on SunOS Solaris 5.7

[Robert Leach]

During a make in the octave directory...

...
gcc -c  -I. -I.. -I../liboctave -I../src -I../libcruft/misc  -I../glob 
-I../glob -DHAVE_CONFIG_H  -g -O2 oct-rl-edit.c -o oct-rl-edit.o
oct-rl-edit.c:32:31: readline/readline.h: No such file or directory

...

make[2]: *** [oct-rl-edit.o] Error 1
make[2]: Leaving directory `/home/local/octave-2.1.50/liboctave'
make[1]: *** [liboctave] Error 2
make[1]: Leaving directory `/home/local/octave-2.1.50'
make: *** [all] Error 2

I hunted down and found readline on my system.  How do I get make to 
learn where it is?

Rob

=====================================================================
= Robert W. Leach                                                   =
= Los Alamos National Lab                                           =
= Bioscience Division: Bioinformatics & Computational Biology Group =
= MS M888                                                           =
= Los Alamos, NM 87545                                              =
= address@hidden                                                 =
= Work: 505-667-2307                                                =
= Cell: 505-310-3759                                                =
=====================================================================
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