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Makefile: fix parallel builds 

This problem shows up with parallel builds only; it results in
somewhat cryptic error messages like

	$ JOBS=-j6 MAKEALL netstar
	Configuring for netstar board...
	arm-linux-ld: cannot find -lgeneric
	make[1]: *** [eeprom.srec] Error 1

A few boards (like netstar and voiceblue) need some libraries for
building; however, the board Makefile does not contain any such
dependencies which may cause problems with parallel builds. Adding
such dependencies is difficult as we would also have to provide build
rules, which already exist in the respective library Makefiles.

To solve this, we make sure that all libraries get built before the
board code.

Signed-off-by: Wolfgang Denk <wd@denx.de>
This commit is contained in:
Wolfgang Denk 2008-04-30 17:25:07 +02:00
parent 7661729935
commit de109d9097
1 changed files with 10 additions and 4 deletions
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14
Makefile
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@ -201,7 +201,6 @@ OBJS := $(addprefix $(obj),$(OBJS))
LIBS = lib_generic/libgeneric.a
LIBS += $(shell if [ -f board/$(VENDOR)/common/Makefile ]; then echo \
"board/$(VENDOR)/common/lib$(VENDOR).a"; fi)
LIBS += board/$(BOARDDIR)/lib$(BOARD).a
LIBS += cpu/$(CPU)/lib$(CPU).a
ifdef SOC
LIBS += cpu/$(CPU)/$(SOC)/lib$(SOC).a
@ -248,6 +247,9 @@ LIBS += post/libpost.a
LIBS := $(addprefix $(obj),$(LIBS))
.PHONY : $(LIBS) $(VERSION_FILE)
LIBBOARD = board/$(BOARDDIR)/lib$(BOARD).a
LIBBOARD := $(addprefix $(obj),$(LIBBOARD))
# Add GCC lib
PLATFORM_LIBS += -L $(shell dirname `$(CC) $(CFLAGS) -print-libgcc-file-name`) -lgcc
@ -270,7 +272,7 @@ U_BOOT_ONENAND = $(obj)u-boot-onenand.bin
endif
__OBJS := $(subst $(obj),,$(OBJS))
__LIBS := $(subst $(obj),,$(LIBS))
__LIBS := $(subst $(obj),,$(LIBS)) $(subst $(obj),,$(LIBBOARD))
#########################################################################
#########################################################################
@ -313,8 +315,9 @@ $(obj)u-boot.sha1: $(obj)u-boot.bin
$(obj)u-boot.dis: $(obj)u-boot
$(OBJDUMP) -d $< > $@
$(obj)u-boot: depend $(SUBDIRS) $(OBJS) $(LIBS) $(LDSCRIPT)
UNDEF_SYM=`$(OBJDUMP) -x $(LIBS) |sed -n -e 's/.*\($(SYM_PREFIX)__u_boot_cmd_.*\)/-u\1/p'|sort|uniq`;\
$(obj)u-boot: depend $(SUBDIRS) $(OBJS) $(LIBBOARD) $(LIBS) $(LDSCRIPT)
UNDEF_SYM=`$(OBJDUMP) -x $(LIBBOARD) $(LIBS) | \
sed -n -e 's/.*\($(SYM_PREFIX)__u_boot_cmd_.*\)/-u\1/p'|sort|uniq`;\
cd $(LNDIR) && $(LD) $(LDFLAGS) $$UNDEF_SYM $(__OBJS) \
--start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \
-Map u-boot.map -o u-boot
@ -325,6 +328,9 @@ $(OBJS): depend $(obj)include/autoconf.mk
$(LIBS): depend $(obj)include/autoconf.mk
$(MAKE) -C $(dir $(subst $(obj),,$@))
$(LIBBOARD): depend $(LIBS) $(obj)include/autoconf.mk
$(MAKE) -C $(dir $(subst $(obj),,$@))
$(SUBDIRS): depend $(obj)include/autoconf.mk
$(MAKE) -C $@ all