New patch to review for coreboot: nvramcui: Update Makefile

[Martin Roth]

Martin Roth ([e-mail]) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/14482

-gerrit

commit bd3383e8b6cda295971525ce5b98c7cce48d873f
Author: Martin Roth 
Date:   Sat Apr 23 17:19:41 2016 -0600

nvramcui: Update Makefile

- Add clean and distclean to .PHONY
    - Rebuild All when the makefile changes.
    - Update libpayload target to $(LIBPAYLOAD_DIR) target - these are the
    same thing, but by using the variable it makes it more obvious.
    - Remove .config.old as well as .config when running distclean.
    - Add -fno-builtin to the LPGCC command line to fix the warning:

libpayload.h: warning: conflicting types for built-in function 'log2'
    static inline int log2(u32 x) { return sizeof(x) * 8 - clz(x) - 1; }

Change-Id: Icc6c70b259cd7c22dc960cdb732927f9c0c93ee8
    Signed-off-by: Martin Roth 
---
 payloads/nvramcui/Makefile | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/payloads/nvramcui/Makefile b/payloads/nvramcui/Makefile
index 0f27ff8..397343c 100755
--- a/payloads/nvramcui/Makefile
+++ b/payloads/nvramcui/Makefile
@@ -4,9 +4,9 @@ XCOMPILE=$(LIBPAYLOAD_DIR)/libpayload.xcompile
 # to avoid pollute the libpayload source directory and possible conflicts
 LPOPTS=obj="$(CURDIR)/build" DESTDIR="$(CURDIR)" DOTCONFIG="$(CURDIR)/.config"

-all: nvramcui.elf
+all: Makefile nvramcui.elf

-libpayload:
+$(LIBPAYLOAD_DIR):
    $(MAKE) -C ../libpayload $(LPOPTS) defconfig
    $(MAKE) -C ../libpayload $(LPOPTS)
    $(MAKE) -C ../libpayload $(LPOPTS) install
@@ -15,18 +15,19 @@ ifneq ($(strip $(wildcard libpayload)),)
 include $(XCOMPILE)
 LPGCC = CC="$(GCC_CC_x86_32)" "$(LIBPAYLOAD_DIR)/bin/lpgcc"
 %.elf: %.c
-	$(LPGCC) -o $*.elf $*.c
+	$(LPGCC) -fno-builtin -o $*.elf $*.c
 else
 # If libpayload is not found, first build libpayload,
 # then do the make, this time it'll find libpayload
 # and generate the nvramcui.elf target
-%.elf: libpayload
+%.elf: $(LIBPAYLOAD_DIR)
    $(MAKE) all
 endif

-.PHONY:
 clean:
    rm -f nvramcui.elf

distclean: clean
-	rm -rf build libpayload .config
+	rm -rf build libpayload .config .config.old
+
+.PHONY: clean distclean