Embed boot images built as part of buildworld rather than the

installed ones under /boot (which we may not even have in the
case of a cross build).

This introduced chicken and egg problem - we need boot images
early in the "depend" stage but they have not yet been built.
Work around this by excluding the generated makeboot.c source
from the "depend" list; it's okay because we hardcode all its
dependencies explicitly.  We actually lose the dependency bit
on <sys/types.h> but it's probably okay too as the only thing
we use is the u_char datatype and this is unlikely to change.
After all, it's normal for sloppy cleaning to cause problems.

beast.FreeBSD.org running 5.0-CURRENT alpha has been able to
cross build i386 world with this patch.

Prodded by:	gallatin

1 files changed, 37 insertions, 9 deletions

diff --git a/usr.sbin/sade/Makefile b/usr.sbin/sade/Makefile
index f5074e3..658c3e7 100644
--- a/usr.sbin/sade/Makefile
+++ b/usr.sbin/sade/Makefile
@@ -53,17 +53,45 @@ makedevs.c:	Makefile rtermcap
 	./rtermcap xterm | \
 		file2c 'const char termcap_xterm[] = {' ',0};' \
 		>> makedevs.c
+
+.if ${MACHINE_ARCH} == i386
+# XXX boot images aren't yet ready when "make depend" is run
+.if !make(depend)
+SRCS+=	makeboot.c
+.endif
+CLEANFILES+= makeboot.c
+.if exists(${.OBJDIR}/../../sys/boot/${MACHINE}/boot0/boot0)
+BOOT0=	${.OBJDIR}/../../sys/boot/${MACHINE}/boot0/boot0
+.else
+BOOT0=	/boot/boot0
+.endif
+makeboot.c: ${BOOT0}
 .if ${MACHINE} == "i386"
-	file2c 'u_char boot0[] = {' '};' < /boot/boot0 >> makedevs.c
-	echo "size_t boot0_size = sizeof(boot0);" >> makedevs.c
-	file2c 'u_char mbr[] = {' '};' < /boot/mbr >> makedevs.c
-	echo "size_t mbr_size = sizeof(mbr);" >> makedevs.c
+.if exists(${.OBJDIR}/../../sys/boot/i386/mbr/mbr)
+MBR=	${.OBJDIR}/../../sys/boot/i386/mbr/mbr
+.else
+MBR=	/boot/mbr
+.endif
+makeboot.c: ${MBR}
+.elif ${MACHINE} == "pc98"
+.if exists(${.OBJDIR}/../../sys/boot/pc98/boot0.5/boot0.5)
+BOOT05=	${.OBJDIR}/../../sys/boot/pc98/boot0.5/boot0.5
+.else
+BOOT05=	/boot/boot0.5
+.endif
+makeboot.c: ${BOOT05}
+.endif
+makeboot.c: Makefile
+	echo '#include <sys/types.h>' > makeboot.c
+	file2c 'u_char boot0[] = {' '};' < ${BOOT0} >> makeboot.c
+	echo "size_t boot0_size = sizeof(boot0);" >> makeboot.c
+.if ${MACHINE} == i386
+	file2c 'u_char mbr[] = {' '};' < ${MBR} >> makeboot.c
+	echo "size_t mbr_size = sizeof(mbr);" >> makeboot.c
+.elif ${MACHINE} == "pc98"
+	file2c 'u_char boot05[] = {' '};' < ${BOOT05} >> makeboot.c
+	echo "size_t boot05_size = sizeof(boot05);" >> makeboot.c
 .endif
-.if ${MACHINE} == "pc98"
-	file2c 'u_char boot0[] = {' '};' < /boot/boot0 >> makedevs.c
-	echo "size_t boot0_size = sizeof(boot0);" >> makedevs.c
-	file2c 'u_char boot05[] = {' '};' < /boot/boot0.5 >> makedevs.c
-	echo "size_t boot05_size = sizeof(boot05);" >> makedevs.c
 .endif
 
 build-tools:	rtermcap