ng-1.4.4

Uncompress

tar xvzf ng-1.4.4.tar.gz
cd ng-1.4.4

Edit sys/sysv/sysdef.h

enable Back Space key

#define BSMAP   TRUE                    /* Bs map feature can use.      */

Do not create backup file

#define MAKEBACKUP      FALSE           /* Making backup file is on.    */

Edit sys/sysv/fileio.h

patch -p0 -l <<EOP
--- sys/sysv/spawn.c.org 2005-06-25 03:41:42.000000000 +0900
+++ sys/sysv/spawn.c     2005-06-25 03:41:54.000000000 +0900
@@ -194,10 +194,9 @@
        char *tmp;
        static char tmpbuf[20];
        int ostdin, ostdout, ostderr, in, out, s;
-       extern char *mktemp();

        strcpy(tmpbuf, "/tmp/ngXXXXXX");
-       if ((tmp = mktemp(tmpbuf)) == NULL)
+       if ((tmp = mkstemp(tmpbuf)) == NULL)
                return NULL;
        if ((in = open(input ? input : "/dev/null", 0)) < 0)
                return NULL;
EOP

Compile

cd ../..
ln -s sys/sysv/Makefile .
make

Install

cp ng /usr/local/bin/