u-boot/arch/powerpc/cpu/mpc824x/Makefile

#
# (C) Copyright 2000-2006
# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
#
# SPDX-License-Identifier:	GPL-2.0+
#

ifneq ($(OBJTREE),$(SRCTREE))
$(shell mkdir -p $(obj)drivers/epic $(obj)drivers/i2c)
endif

extra-y	= start.o
obj-y	= traps.o cpu.o cpu_init.o interrupts.o speed.o \
	  drivers/epic/epic1.o drivers/i2c/i2c.o pci.o
obj-y += bedbug_603e.o

SRCS += $(obj)bedbug_603e.c
$(obj)bedbug_603e.c:
	ln -sf $(src)../mpc8260/bedbug_603e.c $(obj)bedbug_603e.c
Initial revision 2002-04-01 14:29:03 +00:00			`#`
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. 2006-09-01 17:49:50 +00:00			`# (C) Copyright 2000-2006`
Initial revision 2002-04-01 14:29:03 +00:00			`# Wolfgang Denk, DENX Software Engineering, wd@denx.de.`
			`#`
Add GPL-2.0+ SPDX-License-Identifier to source files Signed-off-by: Wolfgang Denk <wd@denx.de> [trini: Fixup common/cmd_io.c] Signed-off-by: Tom Rini <trini@ti.com> 2013-07-08 07:37:19 +00:00			`# SPDX-License-Identifier: GPL-2.0+`
Initial revision 2002-04-01 14:29:03 +00:00			`#`

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. 2006-09-01 17:49:50 +00:00			`ifneq ($(OBJTREE),$(SRCTREE))`
Reduce build times U-Boot Makefiles contain a number of tests for compiler features etc. which so far are executed again and again. On some architectures (especially ARM) this results in a large number of calls to gcc. This patch makes sure to run such tests only once, thus largely reducing the number of "execve" system calls. Example: number of "execve" system calls for building the "P2020DS" (Power Architecture) and "qong" (ARM) boards, measured as: -> strace -f -e trace=execve -o /tmp/foo ./MAKEALL <board> -> grep execve /tmp/foo \| wc -l Before: After: Reduction: ================================== P2020DS 20555 15205 -26% qong 31692 14490 -54% As a result, built times are significantly reduced, typically by 30...50%. Signed-off-by: Wolfgang Denk <wd@denx.de> Cc: Andy Fleming <afleming@gmail.com> Cc: Kumar Gala <galak@kernel.crashing.org> Cc: Albert Aribaud <albert.aribaud@free.fr> cc: Graeme Russ <graeme.russ@gmail.com> cc: Mike Frysinger <vapier@gentoo.org> Tested-by: Graeme Russ <graeme.russ@gmail.com> Tested-by: Matthias Weisser <weisserm@arcor.de> Tested-by: Sanjeev Premi <premi@ti.com> Tested-by: Simon Glass <sjg@chromium.org> Tested-by: Macpaul Lin <macpaul@gmail.com> Acked-by: Mike Frysinger <vapier@gentoo.org> 2011-11-01 20:54:02 +00:00			`$(shell mkdir -p $(obj)drivers/epic $(obj)drivers/i2c)`
Add support for a saving build objects in a separate directory. Modifications are based on the linux kernel approach and support two use cases: 1) Add O= to the make command line 'make O=/tmp/build all' 2) Set environement variable BUILD_DIR to point to the desired location 'export BUILD_DIR=/tmp/build' 'make' The second approach can also be used with a MAKEALL script 'export BUILD_DIR=/tmp/build' './MAKEALL' Command line 'O=' setting overrides BUILD_DIR environent variable. When none of the above methods is used the local build is performed and the object files are placed in the source directory. 2006-09-01 17:49:50 +00:00			`endif`
Initial revision 2002-04-01 14:29:03 +00:00
powerpc: convert makefiles to Kbuild style Note: arch/powerpc/cpu/mpc8260/Makefile is originally like follows: ---<snip>--- START = start.o kgdb.o COBJS = traps.o serial_smc.o serial_scc.o cpu.o cpu_init.o speed.o \ ---<snip>--- COBJS-$(CONFIG_ETHER_ON_SCC) = ether_scc.o ---<snip>--- $(LIB): $(OBJS) $(call cmd_link_o_target, $(OBJS) $(obj)kgdb.o) The link rule `$(call cmd_link_o_target, $(OBJS) $(obj)kgdb.o)' is weird. kbdg.o is not included in $(OBJS) but linked into $(LIB) and $(LIB) is not dependent on kgdb.o. (Broken dependency tracking) So, START = start.o kgdb.o shoud have been START = start.o SOBJS = kgdb.o That is why this commit adds kgdb.o to obj-y, not to extra-y. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Cc: Wolfgang Denk <wd@denx.de> Cc: Stefan Roese <sr@denx.de> 2013-10-17 08:35:04 +00:00			`extra-y = start.o`
			`obj-y = traps.o cpu.o cpu_init.o interrupts.o speed.o \`
Add support for a saving build objects in a separate directory. Modifications are based on the linux kernel approach and support two use cases: 1) Add O= to the make command line 'make O=/tmp/build all' 2) Set environement variable BUILD_DIR to point to the desired location 'export BUILD_DIR=/tmp/build' 'make' The second approach can also be used with a MAKEALL script 'export BUILD_DIR=/tmp/build' './MAKEALL' Command line 'O=' setting overrides BUILD_DIR environent variable. When none of the above methods is used the local build is performed and the object files are placed in the source directory. 2006-09-01 17:49:50 +00:00			`drivers/epic/epic1.o drivers/i2c/i2c.o pci.o`
powerpc: convert makefiles to Kbuild style Note: arch/powerpc/cpu/mpc8260/Makefile is originally like follows: ---<snip>--- START = start.o kgdb.o COBJS = traps.o serial_smc.o serial_scc.o cpu.o cpu_init.o speed.o \ ---<snip>--- COBJS-$(CONFIG_ETHER_ON_SCC) = ether_scc.o ---<snip>--- $(LIB): $(OBJS) $(call cmd_link_o_target, $(OBJS) $(obj)kgdb.o) The link rule `$(call cmd_link_o_target, $(OBJS) $(obj)kgdb.o)' is weird. kbdg.o is not included in $(OBJS) but linked into $(LIB) and $(LIB) is not dependent on kgdb.o. (Broken dependency tracking) So, START = start.o kgdb.o shoud have been START = start.o SOBJS = kgdb.o That is why this commit adds kgdb.o to obj-y, not to extra-y. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Cc: Wolfgang Denk <wd@denx.de> Cc: Stefan Roese <sr@denx.de> 2013-10-17 08:35:04 +00:00			`obj-y += bedbug_603e.o`
Initial revision 2002-04-01 14:29:03 +00:00
powerpc: convert makefiles to Kbuild style Note: arch/powerpc/cpu/mpc8260/Makefile is originally like follows: ---<snip>--- START = start.o kgdb.o COBJS = traps.o serial_smc.o serial_scc.o cpu.o cpu_init.o speed.o \ ---<snip>--- COBJS-$(CONFIG_ETHER_ON_SCC) = ether_scc.o ---<snip>--- $(LIB): $(OBJS) $(call cmd_link_o_target, $(OBJS) $(obj)kgdb.o) The link rule `$(call cmd_link_o_target, $(OBJS) $(obj)kgdb.o)' is weird. kbdg.o is not included in $(OBJS) but linked into $(LIB) and $(LIB) is not dependent on kgdb.o. (Broken dependency tracking) So, START = start.o kgdb.o shoud have been START = start.o SOBJS = kgdb.o That is why this commit adds kgdb.o to obj-y, not to extra-y. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Cc: Wolfgang Denk <wd@denx.de> Cc: Stefan Roese <sr@denx.de> 2013-10-17 08:35:04 +00:00			`SRCS += $(obj)bedbug_603e.c`
Add support for a saving build objects in a separate directory. Modifications are based on the linux kernel approach and support two use cases: 1) Add O= to the make command line 'make O=/tmp/build all' 2) Set environement variable BUILD_DIR to point to the desired location 'export BUILD_DIR=/tmp/build' 'make' The second approach can also be used with a MAKEALL script 'export BUILD_DIR=/tmp/build' './MAKEALL' Command line 'O=' setting overrides BUILD_DIR environent variable. When none of the above methods is used the local build is performed and the object files are placed in the source directory. 2006-09-01 17:49:50 +00:00			`$(obj)bedbug_603e.c:`
cpu/mpc824x/Makefile: fix warning with parallel builds Parallel builds would occasionally issue this build warning: ln: creating symbolic link `cpu/mpc824x/bedbug_603e.c': File exists Use "ln -sf" as quick work around for the issue. Signed-off-by: Wolfgang Denk <wd@denx.de> 2009-01-14 21:35:30 +00:00			`ln -sf $(src)../mpc8260/bedbug_603e.c $(obj)bedbug_603e.c`