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powerpc: change .fixup test to a GCC version test

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This was introduced by commit 2446151974, but it
fails in a minimal SPL build where the only thing in arch/powerpc/lib is
cache.c, which apparently doesn't generate any fixup records.

The problem is reported to occur with GCC 3.x, so insist on GCC 4.0 or newer.
Patterned after checkthumb as suggested by Tom Rini.

Signed-off-by: Scott Wood <scottwood@freescale.com>
Cc: Peter Tyser <ptyser@xes-inc.com>
Cc: Tom Rini <trini@ti.com>
--
v2: test gcc version instead of testing nothing
This commit is contained in:
Scott Wood 2012-09-20 19:10:01 -05:00
parent ca2fca2235
commit 6ec63f411e
3 changed files with 15 additions and 6 deletions
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10
Makefile
View file

@ -643,6 +643,16 @@ checkthumb:
echo '*** Your board is configured for THUMB mode.'; \ echo '*** Your board is configured for THUMB mode.'; \
false; \ false; \
fi fi
# GCC 3.x is reported to have problems generating the type of relocation
# that U-Boot wants.
# See http://lists.denx.de/pipermail/u-boot/2012-September/135156.html
checkgcc4:
@if test $(call cc-version) -lt 0400; then \
echo -n '*** Your GCC is too old, please upgrade to GCC 4.x or newer'; \
false; \
fi
# #
# Auto-generate the autoconf.mk file (which is included by all makefiles) # Auto-generate the autoconf.mk file (which is included by all makefiles)
# #

5
arch/powerpc/config.mk
View file

@ -42,3 +42,8 @@ endif
ifeq ($(CROSS_COMPILE),powerpc-openbsd-) ifeq ($(CROSS_COMPILE),powerpc-openbsd-)
PLATFORM_CPPFLAGS+= -D__PPC__ PLATFORM_CPPFLAGS+= -D__PPC__
endif endif
# Only test once
ifneq ($(CONFIG_SPL_BUILD),y)
ALL-y += checkgcc4
endif

6
arch/powerpc/lib/Makefile
View file

@ -75,12 +75,6 @@ TARGETS += $(LIB)
all: $(TARGETS) all: $(TARGETS)
$(LIB): $(obj).depend $(OBJS) $(LIB): $(obj).depend $(OBJS)
@if ! $(CROSS_COMPILE)readelf -S $(OBJS) | grep -q '\.fixup.*PROGBITS';\
then \
echo "ERROR: Your compiler doesn't generate .fixup sections!";\
echo " Upgrade to a recent toolchain."; \
exit 1; \
fi;
$(call cmd_link_o_target, $(OBJS)) $(call cmd_link_o_target, $(OBJS))
$(LIBGCC): $(obj).depend $(LGOBJS) $(LIBGCC): $(obj).depend $(LGOBJS)