kbuild: change out-of-tree build

[karo-tx-uboot.git] / examples / standalone / Makefile

diff --git a/examples/standalone/Makefile b/examples/standalone/Makefile
index 6ea3b93db10c0d24e33f308a185cf905cd1d99ab..a6819f7792989db39692deec247ee32bcbea47c9 100644 (file)
--- a/examples/standalone/Makefile
+++ b/examples/standalone/Makefile
@@ -2,101 +2,78 @@
 # (C) Copyright 2000-2006
 # Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 #
-# See file CREDITS for list of people who contributed to this
-# project.
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
-# MA 02111-1307 USA
+# SPDX-License-Identifier:     GPL-2.0+
 #
 
-include $(TOPDIR)/config.mk
+ifdef FTRACE
+CFLAGS += -finstrument-functions -DFTRACE
+endif
 
-ELF-$(ARCH)  :=
-ELF-$(BOARD) :=
-ELF-$(CPU)   :=
-ELF-y        := hello_world
-
-ELF-$(CONFIG_SMC91111)           += smc91111_eeprom
-ELF-$(CONFIG_SMC911X)            += smc911x_eeprom
-ELF-$(CONFIG_SPI_FLASH_ATMEL)    += atmel_df_pow2
-ELF-i386                         += 82559_eeprom
-ELF-mpc5xxx                      += interrupt
-ELF-mpc8xx                       += test_burst timer
-ELF-mpc8260                      += mem_to_mem_idma2intr
-ELF-ppc                          += sched
-ELF-oxc                          += eepro100_eeprom
+extra-y        := hello_world
+extra-$(CONFIG_SMC91111)           += smc91111_eeprom
+extra-$(CONFIG_SMC911X)            += smc911x_eeprom
+extra-$(CONFIG_SPI_FLASH_ATMEL)    += atmel_df_pow2
+extra-$(CONFIG_MPC5xxx)            += interrupt
+extra-$(CONFIG_8xx)                += test_burst timer
+extra-$(CONFIG_8260)               += mem_to_mem_idma2intr
+extra-$(CONFIG_PPC)                += sched
 
 #
 # Some versions of make do not handle trailing white spaces properly;
 # leading to build failures. The problem was found with GNU Make 3.80.
 # Using 'strip' as a workaround for the problem.
 #
-ELF := $(strip $(ELF-y) $(ELF-$(ARCH)) $(ELF-$(BOARD)) $(ELF-$(CPU)))
+ELF := $(strip $(extra-y))
+
+extra-y += $(addsuffix .srec,$(extra-y)) $(addsuffix .bin,$(extra-y))
+clean-files  := $(extra-) $(addsuffix .srec,$(extra-)) $(addsuffix .bin,$(extra-))
 
-SREC = $(addsuffix .srec,$(ELF))
-BIN  = $(addsuffix .bin,$(ELF))
 
 COBJS  := $(ELF:=.o)
 
-LIB    = $(obj)libstubs.a
+LIB    = $(obj)/libstubs.o
 
-LIBAOBJS-$(ARCH)     :=
-LIBAOBJS-$(CPU)      :=
-LIBAOBJS-ppc         += $(ARCH)_longjmp.o $(ARCH)_setjmp.o
-LIBAOBJS-mpc8xx      += test_burst_lib.o
-LIBAOBJS := $(LIBAOBJS-$(ARCH)) $(LIBAOBJS-$(CPU))
+LIBAOBJS-$(CONFIG_PPC) += ppc_longjmp.o ppc_setjmp.o
+LIBAOBJS-$(CONFIG_8xx) += test_burst_lib.o
+LIBAOBJS := $(LIBAOBJS-y)
 
 LIBCOBJS = stubs.o
 
-LIBOBJS        = $(addprefix $(obj),$(LIBAOBJS) $(LIBCOBJS))
+LIBOBJS        = $(addprefix $(obj)/,$(LIBAOBJS) $(LIBCOBJS))
 
 SRCS   := $(COBJS:.o=.c) $(LIBCOBJS:.o=.c) $(LIBAOBJS:.o=.S)
-OBJS   := $(addprefix $(obj),$(COBJS))
-ELF    := $(addprefix $(obj),$(ELF))
-BIN    := $(addprefix $(obj),$(BIN))
-SREC   := $(addprefix $(obj),$(SREC))
+OBJS   := $(addprefix $(obj)/,$(COBJS))
+ELF    := $(addprefix $(obj)/,$(ELF))
 
 gcclibdir := $(shell dirname `$(CC) -print-libgcc-file-name`)
 
-CPPFLAGS += -I..
-
-all:   $(obj).depend $(OBJS) $(LIB) $(SREC) $(BIN) $(ELF)
+# For PowerPC there's no need to compile standalone applications as a
+# relocatable executable.  The relocation data is not needed, and
+# also causes the entry point of the standalone application to be
+# inconsistent.
+ifeq ($(ARCH),powerpc)
+AFLAGS := $(filter-out $(RELFLAGS),$(AFLAGS))
+CFLAGS := $(filter-out $(RELFLAGS),$(CFLAGS))
+CPPFLAGS := $(filter-out $(RELFLAGS),$(CPPFLAGS))
+endif
+
+# We don't want gcc reordering functions if possible.  This ensures that an
+# application's entry point will be the first function in the application's
+# source file.
+CFLAGS += $(call cc-option,-fno-toplevel-reorder)
 
 #########################################################################
-$(LIB):        $(obj).depend $(LIBOBJS)
-               $(AR) $(ARFLAGS) $@ $(LIBOBJS)
+$(LIB):        $(LIBOBJS)
+       $(call cmd_link_o_target, $(LIBOBJS))
 
 $(ELF):
-$(obj)%:       $(obj)%.o $(LIB)
-               $(LD) -g -Ttext $(STANDALONE_LOAD_ADDR) \
+$(obj)/%:      $(obj)/%.o $(LIB)
+               $(LD) $(LDFLAGS) -g -Ttext $(CONFIG_STANDALONE_LOAD_ADDR) \
                        -o $@ -e $(SYM_PREFIX)$(notdir $(<:.o=)) $< $(LIB) \
                        -L$(gcclibdir) -lgcc
 
-$(SREC):
-$(obj)%.srec:  $(obj)%
+$(obj)/%.srec: $(obj)/%
                $(OBJCOPY) -O srec $< $@ 2>/dev/null
 
-$(BIN):
-$(obj)%.bin:   $(obj)%
+$(obj)/%.bin:  $(obj)/%
                $(OBJCOPY) -O binary $< $@ 2>/dev/null
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
-
-#########################################################################