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If skiboot doesn't live in a git repository, the makefile will go
searching up the directory tree for one. To save confusion, only look in
the source tree for the git repository.
The gitid can be overridden by passing GIT_SHA=foo as an argument to
make. This is useful for doing builds outside of a git tree, as
buildroot does.
Signed-off-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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The objcopy call was the odd one out in our build output.
Before:
[LD] hw/built-in.o
[LD] skiboot.elf
powerpc-linux-gnu-objcopy -O binary -S skiboot.elf skiboot.lid
[NM] skiboot.map
After:
[LD] hw/built-in.o
[LD] skiboot.elf
[OBJCOPY] skiboot.lid
[NM] skiboot.map
Signed-off-by: Joel Stanley <joel@jms.id.au>
Reviewed-by: Stewart Smith <stewart@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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It turns out that GCC will use a builtin printf implementation that
directly wraps vfprintf (or something), so when I tried to do my
neat trick of overriding printf() with a call to vprlog() adding the
timebase and default log level to the log message, it wouldn't work as
GCC was being helpful.
This change to compiler options will mean that other places where GCC
is being helpful and using builtins rather than our implementations will
go away, potentially helping/hurting us.
We probably want to build with -ffreestanding anyway though.
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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