Hi,
I'm doing some tests with the openrisc processor. As I'm building
barebox I have a question
related to the linking of barebox.
In order to get uint64 arithmetic functions, I need to add "-L $(shell
dirname `$(CC) $(CFLAGS) -print-libgcc-file-name`) -lgcc"
to the final link (only way ? found this in uboot).
However, if I do this using LDFLAGS_barebox I get :
/opt/crosstool/or32/or32-elf/bin/or32-elf-ld -Map barebox.map -L
/opt/crosstool/or32/or32-elf-1.0rc1/bin/../lib/gcc/or32-elf/4.5.1-or32-1.0rc4
-lgcc -o barebox -T arch/openrisc/cpu/barebox.lds --start-group
common/built-in.o drivers/built-in.o commands/built-in.o
lib/built-in.o crypto/built-in.o net/built-in.o fs/built-in.o
arch/openrisc/boards/generic/built-in.o arch/openrisc/lib/built-in.o
arch/openrisc/cpu/built-in.o --end-group
And it doesn't work. It works if "-L
/opt/crosstool/or32/or32-elf-1.0rc1/bin/../lib/gcc/or32-elf/4.5.1-or32-1.0rc4
-lgcc" is at the end of the command line:
/opt/crosstool/or32/or32-elf/bin/or32-elf-ld -Map barebox.map -o
barebox -T arch/openrisc/cpu/barebox.lds --start-group
common/built-in.o drivers/built-in.o commands/built-in.o
lib/built-in.o crypto/built-in.o net/built-in.o fs/built-in.o
arch/openrisc/boards/generic/built-in.o arch/openrisc/lib/built-in.o
arch/openrisc/cpu/built-in.o --end-group -L
/opt/crosstool/or32/or32-elf-1.0rc1/bin/../lib/gcc/or32-elf/4.5.1-or32-1.0rc4
-lgcc
Any idea on why this is happening ?
The only way I found to fix this is to move LDFLAGS_barebox in the
main Makefile:
- cmd_barebox__ ?= $(LD) $(LDFLAGS) $(LDFLAGS_barebox) -o $@ \
+ cmd_barebox__ ?= $(LD) $(LDFLAGS) -o $@ \
-T $(barebox-lds) $(barebox-head) \
- --start-group $(barebox-common) --end-group \
+ --start-group $(barebox-common) --end-group $(LDFLAGS_barebox)
\
$(filter-out $(barebox-lds) $(barebox-common) FORCE ,$^)
What do you think about this problem ?
Thanks,
Franck.
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