From d22fc0dd931e43be5f20526e8e43a303d054ca21 Mon Sep 17 00:00:00 2001
From: Roy Marples <roy@marples.name>
Date: Mon, 7 Jan 2008 14:20:13 +0000
Subject: [PATCH] Allow depend creation again. This doesn't work on GNU make,
 but does on all others.

---
 src/cc.mk               |  1 +
 src/depend.mk           | 10 ++++++++++
 src/lib.mk              |  6 ++++--
 src/libeinfo/Makefile   |  2 ++
 src/libeinfo/libeinfo.c |  2 +-
 src/librc/Makefile      |  2 ++
 src/librc/librc.h       |  6 +++---
 src/prog.mk             |  6 ++++--
 src/rc/rc-update.c      |  6 +++---
 subdir.mk               |  2 ++
 10 files changed, 32 insertions(+), 11 deletions(-)
 create mode 100644 src/depend.mk

diff --git a/src/cc.mk b/src/cc.mk
index 1dc1b3fe..8b65627c 100644
--- a/src/cc.mk
+++ b/src/cc.mk
@@ -23,3 +23,4 @@ CFLAGS += -pedantic -std=c99 \
 		  $(call check_gcc, -Wdeclaration-after-statement) \
 		  $(call check_gcc, -Wsequence-point) \
 		  $(call check_gcc, -Wextra) $(WEXTRA)
+
diff --git a/src/depend.mk b/src/depend.mk
new file mode 100644
index 00000000..5b2da6d2
--- /dev/null
+++ b/src/depend.mk
@@ -0,0 +1,10 @@
+# This only works for make implementations that always include a .depend if
+# it exists. Only GNU make does not do this.
+
+.depend: ${SCRIPTS} ${SRCS}
+	$(CC) $(CFLAGS) -MM ${SRCS} > .depend
+
+depend: .depend
+
+clean-depend:
+	rm -f .depend
diff --git a/src/lib.mk b/src/lib.mk
index 574fd383..c1b4558c 100644
--- a/src/lib.mk
+++ b/src/lib.mk
@@ -32,7 +32,7 @@ LIBMODE?=		0444
 .c.So:
 	${CC} ${PICFLAG} -DPIC ${CFLAGS} -c $< -o $@
 
-all: ${_LIBS}
+all: depend ${_LIBS}
 
 lib${LIB}.a:	${OBJS} ${STATICOBJS}
 	@${ECHO} building static library $@
@@ -59,5 +59,7 @@ install: all
 	${INSTALL} -d ${DESTDIR}${INCDIR}
 	for x in ${INCS}; do ${INSTALL} -m ${INCMODE} $$x ${DESTDIR}${INCDIR}; done
 
-clean:
+clean: clean-depend
 	rm -f ${OBJS} ${SOBJS} ${_LIBS} ${SHLIB_LINK}
+
+include $(TOPDIR)/depend.mk
diff --git a/src/libeinfo/Makefile b/src/libeinfo/Makefile
index 5cace0cc..de96f7f7 100644
--- a/src/libeinfo/Makefile
+++ b/src/libeinfo/Makefile
@@ -9,6 +9,8 @@ VERSION_MAP=	einfo.map
 
 SHLIBDIR=		/${LIBNAME}
 
+CFLAGS+=		-I$(TOPDIR)
+
 include $(TOPDIR)/cc.mk
 include $(TOPDIR)/lib.mk
 include $(TOPDIR)/$(TERMCAP).mk
diff --git a/src/libeinfo/libeinfo.c b/src/libeinfo/libeinfo.c
index 14f254eb..8dfe13f2 100644
--- a/src/libeinfo/libeinfo.c
+++ b/src/libeinfo/libeinfo.c
@@ -50,7 +50,7 @@ const char libeinfo_copyright[] = "Copyright (c) 2007-2008 Roy Marples";
 #include <unistd.h>
 
 #include "einfo.h"
-#include "../hidden-visibility.h"
+#include "hidden-visibility.h"
 hidden_proto(ecolor)
 hidden_proto(ebegin)
 hidden_proto(ebeginv)
diff --git a/src/librc/Makefile b/src/librc/Makefile
index e510b1f4..741545e1 100644
--- a/src/librc/Makefile
+++ b/src/librc/Makefile
@@ -11,6 +11,8 @@ VERSION_MAP=	rc.map
 CFLAGS+=	-DLIB=\"${LIBNAME}\"
 LDADD+=		${LIBKVM}
 
+CFLAGS+=	-I$(TOPDIR)
+
 SHLIBDIR=	/${LIBNAME}
 
 include $(TOPDIR)/cc.mk
diff --git a/src/librc/librc.h b/src/librc/librc.h
index 491462b8..d70ffa17 100644
--- a/src/librc/librc.h
+++ b/src/librc/librc.h
@@ -65,10 +65,10 @@
 
 #include "librc-depend.h"
 #include "rc.h"
-#include "../rc-misc.h"
-#include "../strlist.h"
+#include "rc-misc.h"
+#include "strlist.h"
 
-#include "../hidden-visibility.h"
+#include "hidden-visibility.h"
 #define librc_hidden_proto(x) hidden_proto(x)
 #define librc_hidden_def(x) hidden_def(x)
 
diff --git a/src/prog.mk b/src/prog.mk
index ea7f4fc7..9a222e7d 100644
--- a/src/prog.mk
+++ b/src/prog.mk
@@ -8,10 +8,12 @@ OBJS+=			${SRCS:.c=.o}
 
 INSTALL?=		install
 
-all: ${PROG}
+all: depend ${PROG}
 
 ${PROG}: ${SCRIPTS} ${OBJS}
 	${CC} ${CFLAGS} ${LDFLAGS} ${PROGLDFLAGS} -o $@ ${OBJS} ${LDADD}
 
-clean:
+clean: clean-depend
 	rm -f ${OBJS} ${PROG} ${CLEANFILES}
+
+include $(TOPDIR)/depend.mk
diff --git a/src/rc/rc-update.c b/src/rc/rc-update.c
index bbf23af0..4f07503f 100644
--- a/src/rc/rc-update.c
+++ b/src/rc/rc-update.c
@@ -39,10 +39,10 @@
 #include <unistd.h>
 
 #include "builtins.h"
-#include "../libeinfo/einfo.h"
+#include "einfo.h"
 #include "rc.h"
-#include "../rc-misc.h"
-#include "../strlist.h"
+#include "rc-misc.h"
+#include "strlist.h"
 
 static const char *applet = NULL;
 
diff --git a/subdir.mk b/subdir.mk
index 03bec8c3..1933c529 100644
--- a/subdir.mk
+++ b/subdir.mk
@@ -23,3 +23,5 @@ clean:
 	$(_SUBDIR)
 install:
 	$(_SUBDIR)
+depend:
+	$(_SUBDIR)