gnuplot-4.0.0 on SunOS 4

[Lars H. <lhe...@us...>]

 This is mainly an exercise to test whether gnuplot 4 compiles with K&R
 compilers - it should, with ansi2knr, but it doesn't. Any ideas?

make[3]: Entering directory `/tmp/gnuplot-4.0.0/src'
cc -E -DHAVE_CONFIG_H -I. -I. -I..  -I../term -I../term -DBINDIR=\"/usr/local/bin\" -DX11_DRIVER_DIR=\"/usr/local/libexec/gnuplot/4.0\" -DCONTACT=\"gnu...@li...\" -DHELPFILE=\"/usr/local/share/gnuplot/4.0/gnuplot.gih\" -I/usr/include/X11  `if test -f ./axis.c; then echo ./axis.c; else echo axis.c; fi` | sed 's/^# \([0-9]\)/#line \1/' | ./ansi2knr > axis_.c || rm -f axis_.c
./axis.h: 521: bad formal: \

./axis.h: 576: bad formal: \

source='axis_.c' object='axis_.o' libtool=no \
depfile='.deps/axis_.Po' tmpdepfile='.deps/axis_.TPo' \
depmode=none /usr/local/gnu/bin/bash ../depcomp \
cc -DHAVE_CONFIG_H -I. -I. -I..  -I../term -I../term -DBINDIR=\"/usr/local/bin\" -DX11_DRIVER_DIR=\"/usr/local/libexec/gnuplot/4.0\" -DCONTACT=\"gnu...@li...\" -DHELPFILE=\"/usr/local/share/gnuplot/4.0/gnuplot.gih\" -I/usr/include/X11   -g -c `test -f 'axis_.c' || echo './'`axis_.c
"./axis.c", line 58: operands of = have incompatible types
"./axis.c", line 58: operands of = have incompatible types
"./axis.c", line 58: illegal initialization
"./axis.c", line 58: operands of = have incompatible types
"./axis.c", line 58: illegal initialization
"./axis.c", line 58: too many initializers
"./axis.c", line 58: too many initializers
"./axis.c", line 58: too many initializers
"./axis.c", line 58: too many initializers
"./axis.c", line 58: too many initializers
"./axis.c", line 58: too many initializers
"./axis.c", line 58: too many initializers
"./axis.c", line 58: too many initializers
"./axis.c", line 58: too many initializers
"./axis.c", line 58: too many initializers
"./axis.c", line 58: too many initializers
"./axis.c", line 58: too many initializers
"./axis.c", line 58: too many initializers
"./axis.c", line 58: too many initializers
"./axis.c", line 58: too many initializers
"./axis.c", line 58: too many initializers
"./axis.c", line 58: too many initializers
"./axis.c", line 58: too many initializers
"./axis.c", line 58: too many initializers
"./axis.c", line 58: too many initializers
"./axis.c", line 58: too many initializers
"./axis.c", line 58: too many initializers
"./axis.c", line 58: too many initializers
"./axis.c", line 58: too many initializers
"./axis.c", line 58: too many initializers
"./axis.c", line 58: too many initializers
"./axis.c", line 58: fatal error: too many errors
make[3]: *** [axis_.o] Error 1