Change in coreboot[master]: [WIP] payloads/external/GRUB2: Convert to use Makefile.git

[Nico Huber (Code Review)]

Nico Huber has uploaded this change for review. ( https://review.coreboot.org/21164

Change subject: [WIP] payloads/external/GRUB2: Convert to use Makefile.git
......................................................................

[WIP] payloads/external/GRUB2: Convert to use Makefile.git

Change-Id: I837a5e3b107eb82e14dcd0f21a954250f0e9b088
Signed-off-by: Nico Huber 
---
M payloads/external/GRUB2/Kconfig
M payloads/external/GRUB2/Makefile
M payloads/external/Makefile.inc
3 files changed, 17 insertions(+), 64 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/64/21164/1

diff --git a/payloads/external/GRUB2/Kconfig b/payloads/external/GRUB2/Kconfig
index 656f7c9..9888df2 100644
--- a/payloads/external/GRUB2/Kconfig
+++ b/payloads/external/GRUB2/Kconfig
@@ -1,31 +1,10 @@
 if PAYLOAD_GRUB2

-choice
-	prompt "GRUB2 version"
-	default GRUB2_MASTER
-
-config GRUB2_MASTER
-	bool "HEAD"
-	help
-	  Newest GRUB2 version
-
-config GRUB2_REVISION
-	bool "git revision"
-	help
-	  Select this option if you have a specific commit or branch
-	  that you want to use as the revision from which to
-	  build GRUB2.
-
-	  You will be able to specify the name of a branch or a commit id
-	  later.
-endchoice
-
 config GRUB2_REVISION_ID
-	string "Insert a commit's SHA-1 or a branch name"
-	depends on GRUB2_REVISION
+	string "GIT Revision"
    default "origin/master"
    help
-	   The commit's SHA-1 or branch name of the revision to use.
+	   The commit's SHA-1, branch or tag name of the revision to use.

config GRUB2_EXTRA_MODULES
    string "Extra modules to include in GRUB image"
diff --git a/payloads/external/GRUB2/Makefile b/payloads/external/GRUB2/Makefile
index 4a0a491..942972a 100644
--- a/payloads/external/GRUB2/Makefile
+++ b/payloads/external/GRUB2/Makefile
@@ -1,29 +1,16 @@
-TAG-$(CONFIG_GRUB2_MASTER)=
-TAG-$(CONFIG_GRUB2_REVISION)=$(CONFIG_GRUB2_REVISION_ID)
-NAME-$(CONFIG_GRUB2_MASTER)=HEAD
-NAME-$(CONFIG_GRUB2_REVISION)=$(CONFIG_GRUB2_REVISION_ID)
-
-project_git_repo=git://git.sv.gnu.org/grub.git
-project_dir=grub2
-
 unexport HOSTCC CC LD OBJCOPY STRIP
-MAKEOVERRIDES :=

-all: grub2
+project_name	:= GRUB
+project_repo	:= git://git.sv.gnu.org/grub.git
+project_rev	:= $(REVISION_ID)
+project_dir	:= grub2
+project_output	:= grub2/build/default_payload.elf
+project_params	:= default_payload.elf EXTRA_PAYLOAD_MODULES="$(EXTRA_MODULES)"

-checkout:
-	echo "    GIT        GRUB2 $(NAME-y)"
-	test -d grub2 || \
-		git clone $(project_git_repo) $(project_dir)
-	cd grub2 && \
-		git checkout master && \
-		git pull; \
-		test -n "$(TAG-y)" && \
-			git branch -f $(NAME-y) $(TAG-y) && \
-			git checkout $(NAME-y) || true
+include ../Makefile.git

grub2/build/config.h: $(CONFIG_DEP) | checkout
-	echo "    CONFIG     GRUB2 $(NAME-y)"
+	printf "    CONFIG      $(project_name) [$(project_rev)]\n"
    rm -rf grub2/build
    mkdir grub2/build
    cd grub2 && ./autogen.sh
@@ -32,21 +19,10 @@
    CFLAGS=-O2 TARGET_CFLAGS=-Os \
    --with-platform=coreboot --enable-boot-time --disable-werror

-config: grub2/build/config.h checkout
+first_make_call: grub2/build/config.h checkout
+	printf "    MAKE        $(project_name) [$(project_rev)]\n"
+	$(MAKE) -C"$(dir $(project_output))"

-grub2: config
-	echo "    MAKE       GRUB2 $(NAME-y)"
-	$(MAKE) -C grub2/build
-	$(MAKE) -C grub2/build default_payload.elf \
-		EXTRA_PAYLOAD_MODULES="$(CONFIG_GRUB2_EXTRA_MODULES)"
+$(project_output): first_make_call

-clean:
-	test -f grub2/build/Makefile && $(MAKE) -C grub2/build clean || exit 0
-
-distclean:
-	rm -rf grub2
-
-print-repo-info:
-	echo "$(project_git_repo) $(project_dir)"
-
-.PHONY: checkout config grub2 clean distclean print-repo-info
+.PHONY: first_make_call
diff --git a/payloads/external/Makefile.inc b/payloads/external/Makefile.inc
index 0a9b3d6..59eb46f 100644
--- a/payloads/external/Makefile.inc
+++ b/payloads/external/Makefile.inc
@@ -158,10 +158,8 @@
    		CC="$(CC_x86_32)" LD="$(LD_x86_32)" \
    		OBJCOPY="$(OBJCOPY_x86_32)" STRIP="$(STRIP_x86_32)" \
    		CONFIG_DEP="$(abspath $(obj)/config.h)" \
-			CONFIG_GRUB2_MASTER=$(CONFIG_GRUB2_MASTER) \
-			CONFIG_GRUB2_REVISION=$(CONFIG_GRUB2_REVISION) \
-			CONFIG_GRUB2_REVISION_ID=$(CONFIG_GRUB2_REVISION_ID) \
-			CONFIG_GRUB2_EXTRA_MODULES=$(CONFIG_GRUB2_EXTRA_MODULES)
+			REVISION_ID=$(CONFIG_GRUB2_REVISION_ID) \
+			EXTRA_MODULES=$(CONFIG_GRUB2_EXTRA_MODULES)

payloads/external/GRUB2/grub2/build/default_payload.elf: grub2