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authorMasahiro Yamada <yamada.m@jp.panasonic.com>2014-02-04 17:24:27 +0900
committerTom Rini <trini@ti.com>2014-02-19 11:07:50 -0500
commit22433fc54b19b0578c43a9983fa45f22ca262a0f (patch)
tree5d4f1115b0bf8b2709276d9dc68930abfc9efed2 /scripts/mkmakefile
parentec626f11392ca1bc5e83199ceb74e41f0d9ea0c3 (diff)
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kbuild: import more build scripts from Linux v3.13 tag
This commit imports build scripts from Linux Kernel v3.13 as they are. I know they include some trailing spaces but I am intentionally keeping them untouched. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Diffstat (limited to 'scripts/mkmakefile')
-rw-r--r--scripts/mkmakefile59
1 files changed, 59 insertions, 0 deletions
diff --git a/scripts/mkmakefile b/scripts/mkmakefile
new file mode 100644
index 0000000..0cc0442
--- /dev/null
+++ b/scripts/mkmakefile
@@ -0,0 +1,59 @@
+#!/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
+# 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
+
+lastword = \$(word \$(words \$(1)),\$(1))
+makedir := \$(dir \$(call lastword,\$(MAKEFILE_LIST)))
+
+ifeq ("\$(origin V)", "command line")
+VERBOSE := \$(V)
+endif
+ifneq (\$(VERBOSE),1)
+Q := @
+endif
+
+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:
+ \$(Q)\$(MAKE) \$(MAKEARGS) \$(all)
+
+Makefile:;
+
+\$(all): all
+ @:
+
+%/: all
+ @:
+EOF