X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=scripts%2Fmkmakefile;h=7f9d544f9b6c07339021bdb80762feeb7b95f9bf;hb=refs%2Fheads%2Fvserver;hp=c4d621b30d0db1649d99f9cebf31377cc2d8d32b;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git

diff --git a/scripts/mkmakefile b/scripts/mkmakefile
index c4d621b30..7f9d544f9 100644
--- a/scripts/mkmakefile
+++ b/scripts/mkmakefile
@@ -10,7 +10,10 @@
 # $4 - patchlevel
 
 
-cat << EOF
+test ! -r $2/Makefile -o -O $2/Makefile || exit 0
+echo "  GEN     $2/Makefile"
+
+cat << EOF > $2/Makefile
 # Automatically generated by $0: don't edit
 
 VERSION = $3
@@ -21,11 +24,13 @@ KERNELOUTPUT := $2
 
 MAKEFLAGS += --no-print-directory
 
+.PHONY: all \$(MAKECMDGOALS)
+
 all:
 	\$(MAKE) -C \$(KERNELSRC) O=\$(KERNELOUTPUT)
 
-%::
-	\$(MAKE) -C \$(KERNELSRC) O=\$(KERNELOUTPUT) \$@
+Makefile:;
 
+\$(filter-out all Makefile,\$(MAKECMDGOALS)) %/:
+	\$(MAKE) -C \$(KERNELSRC) O=\$(KERNELOUTPUT) \$@
 EOF
-