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authorSimon Glass <sjg@chromium.org>2011-11-21 10:49:37 +0000
committerAlbert ARIBAUD <albert.u.boot@aribaud.net>2012-03-30 07:43:28 +0200
commitee60197e64f4daa8869a88ccc20bf6896a218657 (patch)
treeb8c64618b17a94be373110116022556faf189c87 /Makefile
parent76e2c169a525159d48dd005a371fb05e1943c64b (diff)
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Allow arch directory to contain .lds without requiring Makefile
The Makefile for a CPU is in arch/($ARCH)/cpu/$(CPU). We want to support having an .lds file in arch/$(ARCH)/cpu without requiring an additional Makefile there. This change makes it clear that we expect a Makefile in the same directory as the link script except in this case. Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'Makefile')
-rw-r--r--Makefile10
1 files changed, 9 insertions, 1 deletions
diff --git a/Makefile b/Makefile
index 01bf2b0..e2a5a84 100644
--- a/Makefile
+++ b/Makefile
@@ -174,6 +174,8 @@ include $(TOPDIR)/config.mk
# that (or fail if absent). Otherwise, search for a linker script in a
# standard location.
+LDSCRIPT_MAKEFILE_DIR = $(dir $(LDSCRIPT))
+
ifndef LDSCRIPT
#LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds.debug
ifdef CONFIG_SYS_LDSCRIPT
@@ -182,6 +184,7 @@ ifndef LDSCRIPT
endif
endif
+# If there is no specified link script, we look in a number of places for it
ifndef LDSCRIPT
ifeq ($(CONFIG_NAND_U_BOOT),y)
LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-nand.lds
@@ -196,6 +199,11 @@ ifndef LDSCRIPT
LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot.lds
endif
ifeq ($(wildcard $(LDSCRIPT)),)
+ LDSCRIPT := $(TOPDIR)/arch/$(ARCH)/cpu/u-boot.lds
+ # We don't expect a Makefile here
+ LDSCRIPT_MAKEFILE_DIR =
+ endif
+ ifeq ($(wildcard $(LDSCRIPT)),)
$(error could not find linker script)
endif
endif
@@ -513,7 +521,7 @@ depend dep: $(TIMESTAMP_FILE) $(VERSION_FILE) \
$(obj)include/autoconf.mk \
$(obj)include/generated/generic-asm-offsets.h \
$(obj)include/generated/asm-offsets.h
- for dir in $(SUBDIRS) $(CPUDIR) $(dir $(LDSCRIPT)) ; do \
+ for dir in $(SUBDIRS) $(CPUDIR) $(LDSCRIPT_MAKEFILE_DIR) ; do \
$(MAKE) -C $$dir _depend ; done
TAG_SUBDIRS = $(SUBDIRS)