Introduce SCRIPTS for bsd.prog.mk. See bsd.README for details.

Idea stolen from NetBSD.

Reviewed by:	bde

share/mk/bsd.README

@@ -250,6 +250,11 @@ SUBDIR		A list of subdirectories that should be built as well.
 		Each of the targets will execute the same target in the
 		subdirectories.
 
+SCRIPTS		A list of interpreter scripts [file.{sh,csh,pl,awk,...}].
+		The installation is controlled by the SCRIPTSNAME, SCRIPTSOWN,
+		SCRIPTSGRP, SCRIPTSMODE, SCRIPTSDIR variables that can be
+		further specialized by SCRIPTS<VAR>_<script>.
+
 The include file <bsd.prog.mk> includes the file named "../Makefile.inc"
 if it exists, as well as the include file <bsd.man.mk>.
 

share/mk/bsd.prog.mk

@@ -68,9 +68,9 @@ MAN1=	${MAN}
 
 .MAIN: all
 .if !defined(NOMAN)
-all: objwarn ${PROG} all-man _SUBDIR
+all: objwarn ${PROG} ${SCRIPTS} all-man _SUBDIR
 .else
-all: objwarn ${PROG} _SUBDIR
+all: objwarn ${PROG} ${SCRIPTS} _SUBDIR
 .endif
 
 CLEANFILES+= ${PROG} ${OBJS}
@@ -132,6 +132,33 @@ realinstall: beforeinstall
 	done; true
 .endif
 
+.if defined(SCRIPTS) && !empty(SCRIPTS)
+realinstall: _scriptsinstall
+
+SCRIPTSDIR?=	${BINDIR}
+SCRIPTSOWN?=	${BINOWN}
+SCRIPTSGRP?=	${BINGRP}
+SCRIPTSMODE?=	${BINMODE}
+
+.for script in ${SCRIPTS}
+.if defined(SCRIPTSNAME)
+SCRIPTSNAME_${script:T}?=	${SCRIPTSNAME}
+.else
+SCRIPTSNAME_${script:T}?=	${script:T:R}
+.endif
+SCRIPTSDIR_${script:T}?=	${SCRIPTSDIR}
+SCRIPTSOWN_${script:T}?=	${SCRIPTSOWN}
+SCRIPTSGRP_${script:T}?=	${SCRIPTSGRP}
+SCRIPTSMODE_${script:T}?=	${SCRIPTSMODE}
+_scriptsinstall: SCRIPTSINS_${script:T}
+SCRIPTSINS_${script:T}: ${script}
+	${INSTALL} ${COPY} -o ${SCRIPTSOWN_${.ALLSRC:T}} \
+	    -g ${SCRIPTSGRP_${.ALLSRC:T}} -m ${SCRIPTSMODE_${.ALLSRC:T}} \
+	    ${_INSTALLFLAGS} ${.ALLSRC} \
+	    ${DESTDIR}${SCRIPTSDIR_${.ALLSRC:T}}/${SCRIPTSNAME_${.ALLSRC:T}}
+.endfor
+.endif
+
 install: afterinstall _SUBDIR
 .if !defined(NOMAN)
 afterinstall: realinstall maninstall