kbuild: merge scripts/mkmakefile to top Makefile

scripts/mkmakefile is simple enough to be merged in the Makefile.

Use $(call cmd,...) to show the log instead of doing it in the
shell script.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>

diff --git a/Makefile b/Makefile
index 4dcfe9c48d60604fa4d1cc124b311008b5e5ed3c..504327207d66e4b2b02bed3de555dc6330992b7a 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -544,14 +544,21 @@ scripts_basic:
        $(Q)rm -f .tmp_quiet_recordmcount
 
 PHONY += outputmakefile
+ifdef building_out_of_srctree
 # Before starting out-of-tree build, make sure the source tree is clean.
 # outputmakefile generates a Makefile in the output directory, if using a
 # separate output directory. This allows convenient use of make in the
 # output directory.
 # At the same time when output Makefile generated, generate .gitignore to
 # ignore whole output directory
+
+quiet_cmd_makefile = GEN     Makefile
+      cmd_makefile = { \
+       echo "\# Automatically generated by $(srctree)/Makefile: don't edit"; \
+       echo "include $(srctree)/Makefile"; \
+       } > Makefile
+
 outputmakefile:
-ifdef building_out_of_srctree
        $(Q)if [ -f $(srctree)/.config -o \
                 -d $(srctree)/include/config -o \
                 -d $(srctree)/arch/$(SRCARCH)/include/generated ]; then \
@@ -562,7 +569,7 @@ ifdef building_out_of_srctree
                false; \
        fi
        $(Q)ln -fsn $(srctree) source
-       $(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile $(srctree)
+       $(call cmd,makefile)
        $(Q)test -e .gitignore || \
        { echo "# this is build directory, ignore it"; echo "*"; } > .gitignore
 endif

diff --git a/scripts/mkmakefile b/scripts/mkmakefile
deleted file mode 100755 (executable)
index 1cb1747..0000000
--- a/scripts/mkmakefile
+++ /dev/null
@@ -1,17 +0,0 @@
-#!/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
-# $1 - Kernel src directory
-
-if [ "${quiet}" != "silent_" ]; then
-       echo "  GEN     Makefile"
-fi
-
-cat << EOF > Makefile
-# Automatically generated by $0: don't edit
-include $1/Makefile
-EOF