Merge branch '2022-02-10-platform-updates'

[platform/kernel/u-boot.git] / scripts / mkmakefile

diff --git a/scripts/mkmakefile b/scripts/mkmakefile
old mode 100644 (file)
new mode 100755 (executable)
index 0cc0442..412f13f
--- a/scripts/mkmakefile
+++ b/scripts/mkmakefile
@@ -1,35 +1,25 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 # 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 $2/Makefile
+if test -e Makefile && ! grep -q Automatically Makefile
 then
        exit 0
 fi
 if [ "${quiet}" != "silent_" ]; then
-       echo "  GEN     $2/Makefile"
+       echo "  GEN     Makefile"
 fi
 
-cat << EOF > $2/Makefile
+cat << EOF > 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
@@ -37,23 +27,13 @@ ifneq (\$(VERBOSE),1)
 Q := @
 endif
 
-MAKEARGS := -C $1
-MAKEARGS += O=\$(if \$(patsubst /%,,\$(makedir)),\$(CURDIR)/)\$(patsubst %/,%,\$(makedir))
-
 MAKEFLAGS += --no-print-directory
 
-.PHONY: all \$(MAKECMDGOALS)
+.PHONY: __sub-make \$(MAKECMDGOALS)
 
-all    := \$(filter-out all Makefile,\$(MAKECMDGOALS))
-
-all:
-       \$(Q)\$(MAKE) \$(MAKEARGS) \$(all)
-
-Makefile:;
-
-\$(all): all
-       @:
+__sub-make:
+       \$(Q)\$(MAKE) -C $1 O=\$(CURDIR) \$(MAKECMDGOALS)
 
-%/: all
+\$(filter-out __sub-make, \$(MAKECMDGOALS)): __sub-make
        @:
 EOF