X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=scripts%2Fmkmakefile;h=67d59c7a18dc57b1580a833ed37e832eff227c85;hb=e4d866cdea24543ee16ce6d07d80c513e86ba983;hp=a22cbedd3b3ec0738379c283d4fb2df5b33209ec;hpb=a41622eaa97e40c811fb7756f403c0d4caa65654;p=linux-2.6-omap-h63xx.git

diff --git a/scripts/mkmakefile b/scripts/mkmakefile
index a22cbedd3b3..67d59c7a18d 100644
--- a/scripts/mkmakefile
+++ b/scripts/mkmakefile
@@ -10,24 +10,41 @@
 # $4 - patchlevel
 
 
-cat << EOF
+test ! -r $2/Makefile -o -O $2/Makefile || exit 0
+# Only overwrite automatically generated Makefiles
+# (so we do not overwrite kernel Makefile)
+if test -e $2/Makefile && ! grep -q Automatically $2/Makefile
+then
+	exit 0
+fi
+if [ "${quiet}" != "silent_" ]; then
+	echo "  GEN     $2/Makefile"
+fi
+
+cat << EOF > $2/Makefile
 # Automatically generated by $0: don't edit
 
 VERSION = $3
 PATCHLEVEL = $4
 
-KERNELSRC    := $1
-KERNELOUTPUT := $2
+lastword = \$(word \$(words \$(1)),\$(1))
+makedir := \$(dir \$(call lastword,\$(MAKEFILE_LIST)))
+
+MAKEARGS := -C $1
+MAKEARGS += O=\$(if \$(patsubst /%,,\$(makedir)),\$(CURDIR)/)\$(patsubst %/,%,\$(makedir))
 
 MAKEFLAGS += --no-print-directory
 
 .PHONY: all \$(MAKECMDGOALS)
 
+all	:= \$(filter-out all Makefile,\$(MAKECMDGOALS))
+
 all:
-	\$(MAKE) -C \$(KERNELSRC) O=\$(KERNELOUTPUT)
+	\$(MAKE) \$(MAKEARGS) \$(all)
 
 Makefile:;
 
-\$(filter-out all Makefile,\$(MAKECMDGOALS)) %/:
-	\$(MAKE) -C \$(KERNELSRC) O=\$(KERNELOUTPUT) \$@
+\$(all) %/: all
+	@:
+
 EOF