From 0ec876a2f03355e068a9ab527062862bd24ca5ce Mon Sep 17 00:00:00 2001
From: Peter Wemm <peter@FreeBSD.org>
Date: Thu, 5 Feb 2004 22:51:16 +0000
Subject: [PATCH] Attempt to clean up the emu10k1-alsa.h stuff so that config
 doesn't delete it each time its run and have it regenerated each time by
 make. I used a quick hackish script rather than putting it in the files file
 and used the before-depend rule to avoid the depend/no-depend hacks.

---
 sys/conf/files              |  8 ++++++--
 sys/conf/kern.post.mk       |  9 ---------
 sys/tools/emu10k1-mkalsa.sh | 21 +++++++++++++++++++++
 3 files changed, 27 insertions(+), 11 deletions(-)
 create mode 100644 sys/tools/emu10k1-mkalsa.sh

diff --git a/sys/conf/files b/sys/conf/files
index b57cfdfb4c3..233ae14b900 100644
--- a/sys/conf/files
+++ b/sys/conf/files
@@ -35,6 +35,11 @@ miidevs.h			standard				   \
 	compile-with	"${AWK} -f $S/tools/devlist2h.awk $S/dev/mii/miidevs" \
 	no-obj no-implicit-rule						   \
 	clean		"miidevs.h"
+emu10k1-alsa%diked.h		optional pcm pci			   \
+	dependency	"$S/tools/emu10k1-mkalsa.sh $S/gnu/dev/sound/pci/emu10k1-alsa.h" \
+	compile-with	"CC=${CC} AWK=${AWK} sh $S/tools/emu10k1-mkalsa.sh $S/gnu/dev/sound/pci/emu10k1-alsa.h emu10k1-alsa%diked.h" \
+	no-obj no-implicit-rule before-depend				   \
+	clean		"emu10k1-alsa%diked.h"
 kern/device_if.m		standard
 kern/bus_if.m			standard
 kern/clock_if.m			optional genclock
@@ -719,8 +724,7 @@ dev/sound/pci/csa.c	optional pcm pci
 dev/sound/pci/csamidi.c	optional midi csa
 dev/sound/pci/csapcm.c	optional pcm pci
 dev/sound/pci/ds1.c	optional pcm pci
-dev/sound/pci/emu10k1.c	optional pcm pci dependency "emu10k1-alsa%diked.h"  \
-			clean "emu10k1-alsa%diked.h"
+dev/sound/pci/emu10k1.c	optional pcm pci dependency "emu10k1-alsa%diked.h"
 dev/sound/pci/es137x.c	optional pcm pci
 dev/sound/pci/fm801.c	optional pcm pci
 dev/sound/pci/ich.c	optional pcm pci
diff --git a/sys/conf/kern.post.mk b/sys/conf/kern.post.mk
index dcdafa49a09..efd4e9c4c79 100644
--- a/sys/conf/kern.post.mk
+++ b/sys/conf/kern.post.mk
@@ -224,15 +224,6 @@ vnode_if.c: $S/tools/vnode_if.awk $S/kern/vnode_if.src
 vnode_if.h: $S/tools/vnode_if.awk $S/kern/vnode_if.src
 	${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -h
 
-emu10k1-alsa%diked.h: $S/gnu/dev/sound/pci/emu10k1-alsa.h
-	grep -v '#include' ${.OODATE} | ${CC} -E -D__KERNEL__ -dM - \
-	    | awk -F"[ 	(]" '/define/ \
-	    { print "#ifndef " $$2 ; print ; print "#endif" }' \
-	    >${.TARGET}
-.if !exists(${.OBJDIR}/.depend)
-_kernel-depend: emu10k1-alsa%diked.h
-.endif
-
 # XXX strictly, everything depends on Makefile because changes to ${PROF}
 # only appear there, but we don't handle that.
 
diff --git a/sys/tools/emu10k1-mkalsa.sh b/sys/tools/emu10k1-mkalsa.sh
new file mode 100644
index 00000000000..2e78f5bd049
--- /dev/null
+++ b/sys/tools/emu10k1-mkalsa.sh
@@ -0,0 +1,21 @@
+# $FreeBSD$
+
+GREP=${GREP:-grep}
+CC=${CC:-cc}
+AWK=${AWK:-awk}
+MV=${MV:=mv}
+RM=${RM:=rm}
+IN=$1
+OUT=$2
+
+trap "${RM} -f $OUT.tmp" EXIT
+
+$GREP -v '#include' $IN | \
+$CC -E -D__KERNEL__ -dM -  | \
+$AWK -F"[     (]" '
+/define/  {
+	print "#ifndef " $2;
+	print;
+	print "#endif";
+}' > $OUT.tmp
+${MV} -f $OUT.tmp $OUT