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SubjectRe: [PATCH v6 5/8] kbuild: add fine grained build dependencies for exported symbols
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Dne 15.3.2016 v 21:33 Michal Marek napsal(a):
> Dne 14.3.2016 v 03:42 Nicolas Pitre napsal(a):
>> +# Filter out exported kernel symbol names from the preprocessor output.
>> +# See also __KSYM_DEPS__ in include/linux/export.h.
>> +# We disable the depfile generation here, so as not to overwrite the existing
>> +# depfile while fixdep is parsing it
>> +flags_nodeps = $(filter-out -Wp$(comma)-M%, $($(1)))
>> +ksym_dep_filter = \
>> + case "$(1)" in \
>> + cc_*_c) $(CPP) $(call flags_nodeps,c_flags) -D__KSYM_DEPS__ $< ;; \
>> + as_*_S) $(CPP) $(call flags_nodeps,a_flags) -D__KSYM_DEPS__ $< ;; \
>> + cpp_lds_S) : ;; \
>> + *) echo "Don't know how to preprocess $(1)" >&2; false ;; \
>> + esac | sed -rn 's/^.*=== __KSYM_(.*) ===.*$$/KSYM_\1/p'
>> +
>> +cmd_and_fixdep = \
>> + $(echo-cmd) $(cmd_$(1)); \
>> + $(ksym_dep_filter) | \
>> + scripts/basic/fixdep -e $(depfile) $@ '$(make-cmd)' \
>> + > $(dot-target).tmp; \
>> + rm -f $(depfile); \
>> + mv -f $(dot-target).tmp $(dot-target).cmd;
>> +
>> +endif
>
> Not sure what happened this time, but I got
>
> drivers/md/.dm-round-robin.mod.o.cmd:5: *** unterminated call to
> function 'wildcard': missing ')'. Stop.

Forgot to add: This was an allmodconfig build without
CONFIG_TRIM_UNUSED_SYMS.

Michal

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