Add support for a saving build objects in a separate directory.
Modifications are based on the linux kernel approach and
support two use cases:
1) Add O= to the make command line
'make O=/tmp/build all'
2) Set environement variable BUILD_DIR to point to the desired location
'export BUILD_DIR=/tmp/build'
'make'
The second approach can also be used with a MAKEALL script
'export BUILD_DIR=/tmp/build'
'./MAKEALL'
Command line 'O=' setting overrides BUILD_DIR environent variable.
When none of the above methods is used the local build is performed and
the object files are placed in the source directory.
diff --git a/tools/Makefile b/tools/Makefile
index d3dcc7d..606f024 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -1,5 +1,5 @@
#
-# (C) Copyright 2000-2003
+# (C) Copyright 2000-2006
# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
#
# See file CREDITS for list of people who contributed to this
@@ -21,22 +21,23 @@
# MA 02111-1307 USA
#
-BINS = img2srec$(SFX) mkimage$(SFX) envcrc$(SFX) gen_eth_addr$(SFX) bmp_logo$(SFX)
+BIN_FILES = img2srec$(SFX) mkimage$(SFX) envcrc$(SFX) gen_eth_addr$(SFX) bmp_logo$(SFX)
-OBJS = environment.o img2srec.o mkimage.o crc32.o envcrc.o gen_eth_addr.o bmp_logo.o
+OBJ_LINKS = environment.o crc32.o
+OBJ_FILES = img2srec.o mkimage.o envcrc.o gen_eth_addr.o bmp_logo.o
ifeq ($(ARCH),mips)
-BINS += inca-swap-bytes$(SFX)
-OBJS += inca-swap-bytes.o
+BIN_FILES += inca-swap-bytes$(SFX)
+OBJ_FILES += inca-swap-bytes.o
endif
# Don't build by default
#ifeq ($(ARCH),ppc)
-#BINS += mpc86x_clk$(SFX)
-#OBJS += mpc86x_clk.o
+#BIN_FILES += mpc86x_clk$(SFX)
+#OBJ_FILES += mpc86x_clk.o
#endif
-LOGO_H = $(TOPDIR)/include/bmp_logo.h
+LOGO_H = $(OBJTREE)/include/bmp_logo.h
ifeq ($(LOGO_BMP),)
LOGO_BMP= logos/denx.bmp
@@ -106,69 +107,76 @@
#
include $(TOPDIR)/config.mk
+# now $(obj) is defined
+SRCS := $(addprefix $(obj),$(OBJ_LINKS:.o=.c)) $(OBJ_FILES:.o=.c)
+BINS := $(addprefix $(obj),$(BIN_FILES))
+
#
# Use native tools and options
#
-CPPFLAGS = -idirafter ../include -DTEXT_BASE=$(TEXT_BASE) -DUSE_HOSTCC
+CPPFLAGS = -idirafter $(SRCTREE)/include \
+ -idirafter $(OBJTREE)/include2 \
+ -idirafter $(OBJTREE)/include \
+ -DTEXT_BASE=$(TEXT_BASE) -DUSE_HOSTCC
CFLAGS = $(HOST_CFLAGS) $(CPPFLAGS) -O
AFLAGS = -D__ASSEMBLY__ $(CPPFLAGS)
CC = $(HOSTCC)
STRIP = $(HOSTSTRIP)
MAKEDEPEND = makedepend
-all: .depend $(BINS) $(LOGO_H) subdirs
+all: $(obj).depend $(BINS) $(LOGO_H) subdirs
-envcrc$(SFX): envcrc.o crc32.o environment.o
+$(obj)envcrc$(SFX): $(obj)envcrc.o $(obj)crc32.o $(obj)environment.o
$(CC) $(CFLAGS) -o $@ $^
-img2srec$(SFX): img2srec.o
+$(obj)img2srec$(SFX): $(obj)img2srec.o
$(CC) $(CFLAGS) $(HOST_LDFLAGS) -o $@ $^
$(STRIP) $@
-mkimage$(SFX): mkimage.o crc32.o
+$(obj)mkimage$(SFX): $(obj)mkimage.o $(obj)crc32.o
$(CC) $(CFLAGS) $(HOST_LDFLAGS) -o $@ $^
$(STRIP) $@
-ncb$(SFX): ncb.o
+$(obj)ncb$(SFX): $(obj)ncb.o
$(CC) $(CFLAGS) $(HOST_LDFLAGS) -o $@ $^
$(STRIP) $@
-gen_eth_addr$(SFX): gen_eth_addr.o
+$(obj)gen_eth_addr$(SFX): $(obj)gen_eth_addr.o
$(CC) $(CFLAGS) $(HOST_LDFLAGS) -o $@ $^
$(STRIP) $@
-bmp_logo$(SFX): bmp_logo.o
+$(obj)bmp_logo$(SFX): $(obj)bmp_logo.o
$(CC) $(CFLAGS) $(HOST_LDFLAGS) -o $@ $^
$(STRIP) $@
-inca-swap-bytes$(SFX): inca-swap-bytes.o
+$(obj)inca-swap-bytes$(SFX): $(obj)inca-swap-bytes.o
$(CC) $(CFLAGS) $(HOST_LDFLAGS) -o $@ $^
$(STRIP) $@
-mpc86x_clk$(SFX): mpc86x_clk.o
+$(obj)mpc86x_clk$(SFX): $(obj)mpc86x_clk.o
$(CC) $(CFLAGS) $(HOST_LDFLAGS) -o $@ $^
$(STRIP) $@
-envcrc.o: envcrc.c
- $(CC) -g $(CFLAGS) -c $<
+$(obj)envcrc.o: $(src)envcrc.c
+ $(CC) -g $(CFLAGS) -c -o $@ $<
-crc32.o: crc32.c
- $(CC) -g $(CFLAGS) -c $<
+$(obj)crc32.o: $(obj)crc32.c
+ $(CC) -g $(CFLAGS) -c -o $@ $<
-mkimage.o: mkimage.c
- $(CC) -g $(CFLAGS) -c $<
+$(obj)mkimage.o: $(src)mkimage.c
+ $(CC) -g $(CFLAGS) -c -o $@ $<
-ncb.o: ncb.c
- $(CC) -g $(CFLAGS) -c $<
+$(obj)ncb.o: $(src)ncb.c
+ $(CC) -g $(CFLAGS) -c -o $@ $<
-gen_eth_addr.o: gen_eth_addr.c
- $(CC) -g $(CFLAGS) -c $<
+$(obj)gen_eth_addr.o: $(src)gen_eth_addr.c
+ $(CC) -g $(CFLAGS) -c -o $@ $<
-inca-swap-bytes.o: inca-swap-bytes.c
- $(CC) -g $(CFLAGS) -c $<
+$(obj)inca-swap-bytes.o: $(src)inca-swap-bytes.c
+ $(CC) -g $(CFLAGS) -c -o $@ $<
-mpc86x_clk.o: mpc86x_clk.c
- $(CC) -g $(CFLAGS) -c $<
+$(obj)mpc86x_clk.o: $(src)mpc86x_clk.c
+ $(CC) -g $(CFLAGS) -c -o $@ $<
subdirs:
ifeq ($(TOOLSUBDIRS),)
@@ -184,25 +192,25 @@
done
endif
-environment.c:
- @rm -f environment.c
- ln -s ../common/environment.c environment.c
+$(obj)environment.c:
+ @rm -f $(obj)environment.c
+ ln -s $(src)../common/environment.c $(obj)environment.c
-environment.o: environment.c
- $(CC) -g $(HOST_ENVIRO_CFLAGS) $(CPPFLAGS) -c $<
+$(obj)environment.o: $(obj)environment.c
+ $(CC) -g $(HOST_ENVIRO_CFLAGS) $(CPPFLAGS) -c -o $@ $<
-crc32.c:
- @rm -f crc32.c
- ln -s ../lib_generic/crc32.c crc32.c
+$(obj)crc32.c:
+ @rm -f $(obj)crc32.c
+ ln -s $(src)../lib_generic/crc32.c $(obj)crc32.c
-$(LOGO_H): bmp_logo $(LOGO_BMP)
- ./bmp_logo $(LOGO_BMP) >$@
+$(LOGO_H): $(obj)bmp_logo $(LOGO_BMP)
+ $(obj)./bmp_logo $(LOGO_BMP) >$@
#########################################################################
-.depend: Makefile $(OBJS:.o=.c)
- $(CC) -M $(HOST_CFLAGS) $(CPPFLAGS) $(OBJS:.o=.c) > $@
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
-sinclude .depend
+sinclude $(obj).depend
#########################################################################
diff --git a/tools/env/Makefile b/tools/env/Makefile
index 9ce477c..1f16768 100644
--- a/tools/env/Makefile
+++ b/tools/env/Makefile
@@ -1,5 +1,5 @@
#
-# (C) Copyright 2002
+# (C) Copyright 2002-2006
# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
#
# See file CREDITS for list of people who contributed to this
@@ -21,25 +21,28 @@
# MA 02111-1307 USA
#
-SOURCES := crc32.c fw_env.c fw_env_main.c
-HEADERS := fw_env.h
+include $(TOPDIR)/config.mk
-all: fw_printenv
+SRCS := $(obj)crc32.c fw_env.c fw_env_main.c
+HEADERS := fw_env.h
-fw_printenv: $(SOURCES) $(HEADERS)
- $(CROSS_COMPILE)gcc -Wall -DUSE_HOSTCC $(SOURCES) -o fw_printenv
+CPPFLAGS := -Wall -DUSE_HOSTCC
+
+all: $(obj)fw_printenv
+
+$(obj)fw_printenv: $(SRCS) $(HEADERS)
+ $(CROSS_COMPILE)gcc $(CPPFLAGS) $(SRCS) -o $(obj)fw_printenv
clean:
- rm -f fw_printenv crc32.c
+ rm -f $(obj)fw_printenv $(obj)crc32.c
-crc32.c:
- ln -s ../../lib_generic/crc32.c crc32.c
+$(obj)crc32.c:
+ ln -s $(src)../../lib_generic/crc32.c $(obj)crc32.c
#########################################################################
-.depend: Makefile $(SOURCES)
- $(CC) -M $(HOST_CFLAGS) $(CPPFLAGS) -DUSE_HOSTCC $(SOURCES) > $@
+include $(TOPDIR)/rules.mk
-sinclude .depend
+sinclude $(obj).depend
#########################################################################
diff --git a/tools/gdb/Makefile b/tools/gdb/Makefile
index e7618b7..dbcb91f 100644
--- a/tools/gdb/Makefile
+++ b/tools/gdb/Makefile
@@ -1,4 +1,7 @@
#
+# (C) Copyright 2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
# (C) Copyright 2000
# Murray Jensen <Murray.Jensen@csiro.au>
#
@@ -25,7 +28,11 @@
BINS = gdbsend gdbcont
-OBJS = gdbsend.o gdbcont.o error.o remote.o serial.o
+COBJS = gdbsend.o gdbcont.o error.o remote.o serial.o
+
+OBJS := $(addprefix $(obj),$(COBJS))
+SRCS := $(COBJS:.o=.c)
+BINS := $(addprefix $(obj),$(BINS))
#
# Use native tools and options
@@ -44,26 +51,26 @@
else # ! CYGWIN
-all: $(BINS)
+all: $(obj).depend $(BINS)
-gdbsend: gdbsend.o error.o remote.o serial.o
+$(obj)gdbsend: $(obj)gdbsend.o $(obj)error.o $(obj)remote.o $(obj)serial.o
$(CC) $(CFLAGS) $(HOST_LDFLAGS) -o $@ $^
-gdbcont: gdbcont.o error.o remote.o serial.o
+$(obj)gdbcont: $(obj)gdbcont.o $(obj)error.o $(obj)remote.o $(obj)serial.o
$(CC) $(CFLAGS) $(HOST_LDFLAGS) -o $@ $^
clean:
rm -f $(OBJS)
distclean: clean
- rm -f $(BINS) core *.bak .depend
+ rm -f $(BINS) $(obj)core $(obj)*.bak $(obj).depend
#########################################################################
-.depend: Makefile $(OBJS:.o=.c)
- $(CC) -M $(CPPFLAGS) -I../include $(OBJS:.o=.c) > $@
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
--include .depend
+sinclude $(obj).depend
#########################################################################
diff --git a/tools/updater/Makefile b/tools/updater/Makefile
index 3fa1912..e9684cb4 100644
--- a/tools/updater/Makefile
+++ b/tools/updater/Makefile
@@ -1,5 +1,5 @@
#
-# (C) Copyright 2000
+# (C) Copyright 2000-2006
# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
#
# See file CREDITS for list of people who contributed to this
@@ -25,62 +25,81 @@
include $(TOPDIR)/config.mk
-PROG = updater
-IMAGE = updater.image
-SRC = update.c flash.c flash_hw.c utils.c cmd_flash.c string.c ctype.c dummy.c
-ASRC = ppcstring.S
-OBJS = $(SRC:.c=.o) $(ASRC:.S=.o)
+PROG = $(obj)updater
+IMAGE = $(obj)updater.image
-LIB = $(TOPDIR)/examples/libstubs.a
-LIBAOBJS=
-LIBCOBJS= $(TOPDIR)/examples/stubs.o
-LIBOBJS = $(LIBAOBJS) $(LIBCOBJS)
+COBJS = update.o flash.o flash_hw.o utils.o cmd_flash.o string.o ctype.o dummy.o
+COBJS_LINKS = stubs.o
+AOBJS = ppcstring.o
+AOBJS_LINKS = memio.o
+
+OBJS := $(addprefix $(obj),$(COBJS) $(COBJS_LINKS) $(AOBJS) $(AOBJS_LINKS))
+SRCS := $(COBJS:.o=.c) $(AOBJS:.o=.S) $(addprefix $(obj), $(COBJS_LINKS:.o:.c) $(AOBJS_LINKS:.o:.S))
CPPFLAGS += -I$(TOPDIR) -I$(TOPDIR)/board/MAI/AmigaOneG3SE
CFLAGS += -I$(TOPDIR)/board/MAI/AmigaOneG3SE
+AFLAGS += -I$(TOPDIR)/board/MAI/AmigaOneG3SE
+
+DEPS = $(OBJTREE)/u-boot.bin $(OBJTREE)/tools/mkimage
+ifneq ($(DEPS),$(wildcard $(DEPS)))
+$(error "updater: Missing required objects, please run regular build first")
+endif
-all: .depend $(LIB) $(PROG)
+all: $(obj).depend $(PROG) $(IMAGE)
#########################################################################
-$(LIB): .depend $(LIBOBJS)
- $(AR) crv $@ $(LIBOBJS)
-%.srec: %.o $(LIB)
+$(obj)%.srec: %.o $(LIB)
$(LD) -g -Ttext $(LOAD_ADDR) -o $(<:.o=) -e $(<:.o=) $< $(LIB)
$(OBJCOPY) -O srec $(<:.o=) $@
+$(obj)%.o: %.c
+ $(CC) $(CFLAGS) -c -o $@ $<
+
+$(obj)%.o: %.S
+ $(CC) $(AFLAGS) -c -o $@ $<
+
-%.o: %.c
- $(CC) $(CPPFLAGS) -c $<
+$(obj)memio.o: $(obj)memio.S
+ $(CC) $(AFLAGS) -c -o $@ $<
-%.o: %.S
- $(CC) $(CPPFLAGS) -c $<
+$(obj)memio.S:
+ rm -f $(obj)memio.c
+ ln -s $(SRCTREE)/board/MAI/AmigaOneG3SE/memio.S $(obj)memio.S
+
+$(obj)stubs.o: $(obj)stubs.c
+ $(CC) $(CFLAGS) -c -o $@ $<
+
+$(obj)stubs.c:
+ rm -f $(obj)stubs.c
+ ln -s $(SRCTREE)/examples/stubs.c $(obj)stubs.c
#########################################################################
-updater: $(OBJS) $(LIB) $(TOPDIR)/board/MAI/AmigaOneG3SE/memio.o
- $(LD) -g -Ttext $(LOAD_ADDR) -o updater -e _main $(OBJS) $(LIB) \
- $(TOPDIR)/board/MAI/AmigaOneG3SE/memio.o
- $(OBJCOPY) -O binary updater updater.bin
+$(obj)updater: $(OBJS)
+ $(LD) -g -Ttext $(LOAD_ADDR) -o $(obj)updater -e _main $(OBJS)
+ $(OBJCOPY) -O binary $(obj)updater $(obj)updater.bin
-updater.image: updater $(TOPDIR)/u-boot.bin
- cat >/tmp/tempimage updater.bin junk $(TOPDIR)/u-boot.bin
- $(TOPDIR)/tools/mkimage -A ppc -O u-boot -T standalone -C none -a $(LOAD_ADDR) \
- -e `ppc-elf32-nm updater | grep _main | cut --bytes=0-8` \
- -n "Firmware Updater" -d /tmp/tempimage updater.image
+$(obj)updater.image: $(obj)updater $(OBJTREE)/u-boot.bin
+ cat >/tmp/tempimage $(obj)updater.bin junk $(OBJTREE)/u-boot.bin
+ $(OBJTREE)/tools/mkimage -A ppc -O u-boot -T standalone -C none -a $(LOAD_ADDR) \
+ -e `$(NM) $(obj)updater | grep _main | cut --bytes=0-8` \
+ -n "Firmware Updater" -d /tmp/tempimage $(obj)updater.image
rm /tmp/tempimage
- cp updater.image /tftpboot
+ cp $(obj)updater.image /tftpboot
-updater.image2: updater $(TOPDIR)/u-boot.bin
- cat >/tmp/tempimage updater.bin junk ../../create_image/image
- $(TOPDIR)/tools/mkimage -A ppc -O u-boot -T standalone -C none -a $(LOAD_ADDR) \
- -e `ppc-elf32-nm updater | grep _main | cut --bytes=0-8` \
- -n "Firmware Updater" -d /tmp/tempimage updater.image
+(obj)updater.image2: $(obj)updater $(OBJTREE)/u-boot.bin
+ cat >/tmp/tempimage $(obj)updater.bin junk ../../create_image/image
+ $(OBJTREE)/tools/mkimage -A ppc -O u-boot -T standalone -C none -a $(LOAD_ADDR) \
+ -e `$(NM) $(obj)updater | grep _main | cut --bytes=0-8` \
+ -n "Firmware Updater" -d /tmp/tempimage $(obj)updater.image
rm /tmp/tempimage
- cp updater.image /tftpboot
+ cp $(obj)updater.image /tftpboot
-.depend: Makefile $(SRC) $(ASRC) $(LIBCOBJS:.o=.c) $(LIBAOBJS:.o=.S)
- $(CC) -M $(CFLAGS) $(SRC) $(ASRC) $(LIBCOBJS:.o=.c) $(LIBAOBJS:.o=.S) > $@
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
-sinclude .depend
+sinclude $(obj).depend
#########################################################################