From: Ulf Samuelsson <ulf@atmel.com>
To: buildroot@busybox.net
Subject: [Buildroot] BSP patch vs 20070208 (updated according to suggestions)
Date: Thu, 08 Feb 2007 22:55:48 +0100 [thread overview]
Message-ID: <45CB9C64.9090202@atmel.com> (raw)
Author: Ulf Samuelsson
Date: 2007-02-08
Log:
Here is my suggestion for supporting different BSP's
in the same buildroot structure
Updated according to suggestions.
BR2_BOARDNAME cannot be empty,since it is used to define directory
names.
I don't think it should be defined by the targtets, since you may
want to build
several different boards, using the same target
Add BINARIES_DIR directory,
where resulting binaries can be stored
Typically this directory contains a subdirectory for each BSP.
Add TARGET_BUILD_DIR directory, where BSP for different
boards can be built without destroying results of previous builds.
Typically each BSP would build in a subdirectory of TARGET_BUILD_DIR
Modified:
Config.in
Makefile
package/Makefile.in
Changeset
Config.in
Makefile
package/Makefile.in
diff -purN buildroot-0rig/Config.in buildroot-atmel/Config.in
--- buildroot-0rig/Config.in 2007-02-08 22:17:40.000000000 +0100
+++ buildroot-atmel/Config.in 2007-02-08 22:35:48.000000000 +0100
@@ -6,6 +6,21 @@ config BR2_HAVE_DOT_CONFIG
bool
default y
+menu "Board"
+
+config BR2_BOARDNAME
+ string "Boardname"
+ default "uclibc"
+ help
+ The boardname is used to define subdirectories
+ * where the Board Support Packages are built
+ (Linux,Root fs Bootmonitor,Utilities etc.)
+ * where the resulting binaries are stored.
+ Older target may still build in the build_<arch>
+ and store binaries in the top directory.
+
+endmenu
+
choice
prompt "Target Architecture"
default BR2_i386
diff -purN buildroot-0rig/Makefile buildroot-atmel/Makefile
--- buildroot-0rig/Makefile 2007-02-08 22:17:40.000000000 +0100
+++ buildroot-atmel/Makefile 2007-02-08 22:29:14.000000000 +0100
@@ -79,12 +79,15 @@ TARGETS_CLEAN:=$(patsubst %,%-clean,$(TA
TARGETS_SOURCE:=$(patsubst %,%-source,$(TARGETS))
TARGETS_DIRCLEAN:=$(patsubst %,%-dirclean,$(TARGETS))
-world: $(DL_DIR) $(BUILD_DIR) $(STAGING_DIR) $(TARGET_DIR) $(TARGETS)
+world: $(DL_DIR) $(BUILD_DIR) $(STAGING_DIR) $(TARGET_DIR) \
+ $(TARGET_BUILD_DIR) $(BINARIES_DIR) $(TARGETS)
+
dirs: $(DL_DIR) $(BUILD_DIR) $(STAGING_DIR)
.PHONY: all world dirs clean dirclean distclean source $(TARGETS) \
$(TARGETS_CLEAN) $(TARGETS_DIRCLEAN) $(TARGETS_SOURCE) \
- $(DL_DIR) $(BUILD_DIR) $(TOOL_BUILD_DIR) $(STAGING_DIR)
+ $(DL_DIR) $(BUILD_DIR) $(TOOL_BUILD_DIR) $(STAGING_DIR) \
+ $(TARGET_BUILD_DIR) $(BINARIES_DIR)
#############################################################
#
@@ -92,7 +95,8 @@ dirs: $(DL_DIR) $(BUILD_DIR) $(STAGING_D
# dependencies anywhere else
#
#############################################################
-$(DL_DIR) $(BUILD_DIR) $(TOOL_BUILD_DIR):
+$(DL_DIR) $(BUILD_DIR) $(TOOL_BUILD_DIR) \
+$(TARGET_BUILD_DIR) $(BINARIES_DIR):
@mkdir -p $@
$(STAGING_DIR):
diff -purN buildroot-0rig/package/Makefile.in
buildroot-atmel/package/Makefile.in
--- buildroot-0rig/package/Makefile.in 2007-02-08 22:17:40.000000000
+0100
+++ buildroot-atmel/package/Makefile.in 2007-02-08 22:31:52.000000000
+0100
@@ -71,6 +71,8 @@ TOOLCHAIN_EXTERNAL_PREFIX:=$(strip $(sub
TOOLCHAIN_EXTERNAL_PATH:=$(strip $(subst ",,
$(BR2_TOOLCHAIN_EXTERNAL_PATH)))
#"))
TOOL_BUILD_DIR=$(BASE_DIR)/$(TOPDIR_PREFIX)toolchain_build_$(TOOLCHAIN_EXTERNAL_PREFIX)
+TARGET_BUILD_DIR:=$(BASE_DIR)/$(TOPDIR_PREFIX)target_build_$(ARCH)$(ARCH_FPU_SUFFIX)$(TOPDIR_SUFFIX)/$(BR2_BOARDNAME)
+BINARIES_DIR:=$(BASE_DIR)/binaries/$(BR2_BOARDNAME)
TARGET_PATH="$(STAGING_DIR)/bin:$(TOOL_BUILD_DIR)/bin:$(TOOLCHAIN_EXTERNAL_PATH)/bin:$(PATH)"
IMAGE:=$(BASE_DIR)/rootfs.$(TOOLCHAIN_EXTERNAL_PREFIX)
REAL_GNU_TARGET_NAME=$(TOOLCHAIN_EXTERNAL_PREFIX)
--
Best Regards,
Ulf Samuelsson
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