Make the name of the init script and the interpreter compile time options.

If not defined, default to the old values (with _PATH_BSHELL instead
of "/bin/sh", though).

Reviewed by:	markm

release/picobsd/tinyware/oinit/Makefile

@@ -1,9 +1,19 @@
 # $FreeBSD$
 #
-PROG=oinit
-#CFLAGS+=-DUSE_HISTORY
-CFLAGS+=-DOINIT_RC=\"/etc/oinit.rc\"
-#LDADD=-lutil -ledit -ltermcap
+PROG=		oinit
+
+SH_PATH?=	/bin/sh
+SH_NAME?=	-sh
+SH_ARG?=	/etc/rc
+
+CFLAGS=		-DSH_PATH=\"${SH_PATH}\" -DSH_NAME=\"${SH_NAME}\" \
+		-DSH_ARG=\"${SH_ARG}\"
+
+
+#CFLAGS+=	-DUSE_HISTORY
+#CFLAGS+=	-DOINIT_RC=\"/etc/oinit.rc\"
+
+#LDADD=		-lutil -ledit -ltermcap
 LDADD=-lutil
 NOMAN=yes
 

release/picobsd/tinyware/oinit/oinit.c

@@ -599,6 +599,15 @@ start_session(int vty, int argc, char **argv)
  * normal /etc/rc interpreted by Bourne shell.
  */
 #ifndef OINIT_RC
+#ifndef SH_NAME
+#define SH_NAME	"-sh"
+#endif
+#ifndef SH_PATH
+#define SH_PATH	_PATH_BSHELL
+#endif
+#ifndef SH_ARG
+#define SH_ARG	"/etc/rc"
+#endif
 void
 runcom()
 {
@@ -617,10 +626,10 @@ runcom()
 		dup2(fd,1);
 		dup2(fd,2);
 		if(fd>2) close(fd);
-		argv[0]="-sh";
-		argv[1]="/etc/rc";
+		argv[0]=SH_NAME;
+		argv[1]=SH_ARG;
 		argv[2]=0;
-		execvp("/bin/sh",argv);
+		execvp(SH_PATH,argv);
 		printf("runcom(): %s\n",strerror(errno));
 		_exit(1);
 	}