From 680f5e79ae06d9d63ae284a61703de677b872dd1 Mon Sep 17 00:00:00 2001
From: bde <bde@FreeBSD.org>
Date: Fri, 15 May 1998 09:30:13 +0000
Subject: Support Objective C almost as well as C++.

Notes:
- We no longer use -fgnu-runtime in bsd.lib.mk, since it is the default
  and bsd.lib.mk is the wrong place to override it.
- Gnu C doesn't have a special compiler driver for Objective C like it
  does for C++.  The defaults are suitable for Gnu C.  Use `OBJCLIBS='
  in /etc/make.conf for POC.
---
 share/mk/bsd.dep.mk      |  8 +++++++-
 share/mk/bsd.lib.mk      | 22 +++++++++++++---------
 share/mk/bsd.libnames.mk |  3 ++-
 share/mk/bsd.prog.mk     | 10 ++++++++--
 share/mk/sys.mk          | 10 ++++++++--
 5 files changed, 38 insertions(+), 15 deletions(-)

diff --git a/share/mk/bsd.dep.mk b/share/mk/bsd.dep.mk
index 12a51e0..4914a39 100644
--- a/share/mk/bsd.dep.mk
+++ b/share/mk/bsd.dep.mk
@@ -1,4 +1,4 @@
-#	$Id: bsd.dep.mk,v 1.21 1998/05/08 06:31:05 bde Exp $
+#	$Id: bsd.dep.mk,v 1.22 1998/05/11 15:37:13 bde Exp $
 #
 # The include file <bsd.dep.mk> handles Makefile dependencies.
 #
@@ -94,6 +94,12 @@ ${DEPENDFILE}: ${SRCS}
 	    ${CXXFLAGS:M-nostdinc*} ${CXXFLAGS:M-[BID]*} \
 	    ${.ALLSRC:M*.cc} ${.ALLSRC:M*.C} ${.ALLSRC:M*.cxx}
 .endif
+.if ${SRCS:M*.m} != ""
+	${MKDEPCMD} -f ${DEPENDFILE} -a ${MKDEP} \
+	    ${OBJCFLAGS:M-nostdinc*} ${OBJCFLAGS:M-[BID]*} \
+	    ${OBJCFLAGS:M-Wno-import*} \
+	    ${.ALLSRC:M*.m}
+.endif
 .if target(_EXTRADEPEND)
 	cd ${.CURDIR}; ${MAKE} _EXTRADEPEND
 .endif
diff --git a/share/mk/bsd.lib.mk b/share/mk/bsd.lib.mk
index 2a3118c..ee90118 100644
--- a/share/mk/bsd.lib.mk
+++ b/share/mk/bsd.lib.mk
@@ -1,5 +1,5 @@
 #	from: @(#)bsd.lib.mk	5.26 (Berkeley) 5/2/91
-#	$Id: bsd.lib.mk,v 1.69 1998/03/07 13:13:41 bde Exp $
+#	$Id: bsd.lib.mk,v 1.70 1998/03/12 20:02:13 eivind Exp $
 #
 
 .if exists(${.CURDIR}/../Makefile.inc)
@@ -84,6 +84,18 @@ STRIP?=	-s
 	${FC} ${PICFLAG} -DPIC ${FFLAGS} -o ${.TARGET} -c ${.IMPSRC}
 	@${LD} -O ${.TARGET} -x -r ${.TARGET}
 
+.m.o:
+	${OBJC} ${OBJCFLAGS} -c ${.IMPSRC} -o ${.TARGET}
+	@${LD} -O ${.TARGET} -x -r ${.TARGET}
+
+.m.po:
+	${OBJC} ${OBJCFLAGS} -pg -c ${.IMPSRC} -o ${.TARGET}
+	@${LD} -O ${.TARGET} -X -r ${.TARGET}
+
+.m.so:
+	${OBJC} ${PICFLAG} -DPIC ${OBJCFLAGS} -c ${.IMPSRC} -o ${.TARGET}
+	@${LD} -O ${.TARGET} -x -r ${.TARGET}
+
 .s.o:
 	${CC} -x assembler-with-cpp ${CFLAGS:M-[BID]*} ${AINC} -c \
 	    ${.IMPSRC} -o ${.TARGET}
@@ -111,14 +123,6 @@ STRIP?=	-s
 	${CC} -fpic -DPIC ${CFLAGS:M-[BID]*} ${AINC} -c ${.IMPSRC} -o ${.TARGET}
 	@${LD} -O ${.TARGET} -x -r ${.TARGET}
 
-.m.o:
-	${CC} ${CFLAGS} -fgnu-runtime -c ${.IMPSRC} -o ${.TARGET}
-	@${LD} -O ${.TARGET} -x -r ${.TARGET}
-
-.m.po:
-	${CC} ${CFLAGS} -fgnu-runtime -pg -c ${.IMPSRC} -o ${.TARGET}
-	@${LD} -O ${.TARGET} -X -r ${.TARGET}
-
 .if !defined(INTERNALLIB) || defined(INTERNALSTATICLIB)
 .if !defined(NOPROFILE) && !defined(INTERNALLIB)
 _LIBS=lib${LIB}.a lib${LIB}_p.a
diff --git a/share/mk/bsd.libnames.mk b/share/mk/bsd.libnames.mk
index 47e4928..bc3f75d 100644
--- a/share/mk/bsd.libnames.mk
+++ b/share/mk/bsd.libnames.mk
@@ -1,4 +1,4 @@
-#	$Id: bsd.libnames.mk,v 1.9 1997/12/09 20:17:49 wosch Exp $
+#	$Id: bsd.libnames.mk,v 1.10 1997/12/15 20:30:38 helbig Exp $
 #
 # The include file <bsd.libnames.mk> define library names. 
 # Other include files (e.g. bsd.prog.mk, bsd.lib.mk) include this 
@@ -42,6 +42,7 @@ LIBMD?=		${DESTDIR}/usr/lib/libmd.a
 LIBMP?=		${DESTDIR}/usr/lib/libmp.a
 LIBMYTINFO?=	${DESTDIR}/usr/lib/libmytinfo.a
 LIBNCURSES?=	${DESTDIR}/usr/lib/libncurses.a
+LIBOBJC?=	${DESTDIR}/usr/lib/libobjc.a
 LIBOPIE?=	${DESTDIR}/usr/lib/libopie.a
 LIBPC?=		${DESTDIR}/usr/lib/libpc.a	# XXX doesn't exist
 LIBPCAP?=	${DESTDIR}/usr/lib/libpcap.a
diff --git a/share/mk/bsd.prog.mk b/share/mk/bsd.prog.mk
index 12b380e..d6bf6af 100644
--- a/share/mk/bsd.prog.mk
+++ b/share/mk/bsd.prog.mk
@@ -1,5 +1,5 @@
 #	from: @(#)bsd.prog.mk	5.26 (Berkeley) 6/25/91
-#	$Id: bsd.prog.mk,v 1.71 1998/05/06 15:01:18 bde Exp $
+#	$Id: bsd.prog.mk,v 1.72 1998/05/08 06:31:05 bde Exp $
 
 .if exists(${.CURDIR}/../Makefile.inc)
 .include "${.CURDIR}/../Makefile.inc"
@@ -8,7 +8,7 @@
 # Default executable format
 BINFORMAT?=	aout
 
-.SUFFIXES: .out .o .c .cc .cxx .C .y .l .s .S
+.SUFFIXES: .out .o .c .cc .cxx .C .m .y .l .s .S
 
 CFLAGS+=${COPTS} ${DEBUG_FLAGS}
 .if defined(DESTDIR)
@@ -27,6 +27,12 @@ LDFLAGS+= -static
 .if defined(PROG)
 .if defined(SRCS)
 
+# If there are Objective C sources, link with Objective C libraries.
+.if ${SRCS:M*.m} != ""
+OBJCLIBS?= -lobjc
+LDADD+=	${OBJCLIBS}
+.endif
+
 OBJS+=  ${SRCS:N*.h:R:S/$/.o/g}
 
 ${PROG}: ${OBJS}
diff --git a/share/mk/sys.mk b/share/mk/sys.mk
index 50680df..c6a3896 100644
--- a/share/mk/sys.mk
+++ b/share/mk/sys.mk
@@ -1,5 +1,5 @@
 #	from: @(#)sys.mk	8.2 (Berkeley) 3/21/94
-#	$Id: sys.mk,v 1.30 1998/03/23 14:58:30 eivind Exp $
+#	$Id: sys.mk,v 1.31 1998/05/01 11:36:59 jkh Exp $
 
 unix		?=	We run FreeBSD, not UNIX.
 
@@ -15,7 +15,7 @@ unix		?=	We run FreeBSD, not UNIX.
 .if defined(%POSIX)
 .SUFFIXES:	.o .c .y .l .a .sh .f
 .else
-.SUFFIXES:	.out .a .ln .o .c .cc .cxx .C .F .f .e .r .y .l .S .s .cl .p .h .sh
+.SUFFIXES:	.out .a .ln .o .c .cc .cxx .C .m .F .f .e .r .y .l .S .s .cl .p .h .sh
 .endif
 
 .LIBS:		.a
@@ -79,6 +79,9 @@ LINTFLAGS	?=	-chapbx
 
 MAKE		?=	make
 
+OBJC		?=	cc
+OBJCFLAGS	?=	${OBJCINCLUDES} ${CFLAGS} -Wno-import
+
 PC		?=	pc
 PFLAGS		?=
 
@@ -185,6 +188,9 @@ HTAGSFLAGS=
 .cc.o .cxx.o .C.o:
 	${CXX} ${CXXFLAGS} -c ${.IMPSRC}
 
+.m.o:
+	${OBJC} ${OBJCFLAGS} -c ${.IMPSRC}
+
 .p.o:
 	${PC} ${PFLAGS} -c ${.IMPSRC}
 
-- 
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