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authorRobert Schwebel <r.schwebel@pengutronix.de>2007-11-09 11:47:07 +0100
committerRobert Schwebel <r.schwebel@pengutronix.de>2007-11-09 11:47:07 +0100
commit07fef1cb68ee4641ca152336d5fca13bb7fcdd36 (patch)
tree861f5274d474273f24f68097cc99c51970837753 /scripts/mkmakefile
parente3606619fb492afd6cd43df6046581f49bedf4cd (diff)
downloadbarebox-07fef1cb68ee4641ca152336d5fca13bb7fcdd36.tar.gz
Add scripts/mkmakefile from Linux. This is necessary if you want to
build out-of-tree. Signed-off-by: Robert Schwebel <r.schwebel@pengutronix.de>
Diffstat (limited to 'scripts/mkmakefile')
-rw-r--r--scripts/mkmakefile36
1 files changed, 36 insertions, 0 deletions
diff --git a/scripts/mkmakefile b/scripts/mkmakefile
new file mode 100644
index 0000000..7f9d544
--- /dev/null
+++ b/scripts/mkmakefile
@@ -0,0 +1,36 @@
+#!/bin/sh
+# Generates a small Makefile used in the root of the output
+# directory, to allow make to be started from there.
+# The Makefile also allow for more convinient build of external modules
+
+# Usage
+# $1 - Kernel src directory
+# $2 - Output directory
+# $3 - version
+# $4 - patchlevel
+
+
+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
+PATCHLEVEL = $4
+
+KERNELSRC := $1
+KERNELOUTPUT := $2
+
+MAKEFLAGS += --no-print-directory
+
+.PHONY: all \$(MAKECMDGOALS)
+
+all:
+ \$(MAKE) -C \$(KERNELSRC) O=\$(KERNELOUTPUT)
+
+Makefile:;
+
+\$(filter-out all Makefile,\$(MAKECMDGOALS)) %/:
+ \$(MAKE) -C \$(KERNELSRC) O=\$(KERNELOUTPUT) \$@
+EOF