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-rw-r--r--scripts/Makefile.build12
1 files changed, 11 insertions, 1 deletions
diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index e8e7d27cfc9a..3cb445cc7432 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -140,6 +140,15 @@ cmd_cc_i_c = $(CPP) $(c_flags) -o $@ $<
%.i: %.c FORCE
$(call if_changed_dep,cc_i_c)
+quiet_cmd_cc_symtypes_c = SYM $(quiet_modtag) $@
+cmd_cc_symtypes_c = \
+ $(CPP) -D__GENKSYMS__ $(c_flags) $< \
+ | $(GENKSYMS) -T $@ >/dev/null; \
+ test -s $@ || rm -f $@
+
+%.symtypes : %.c FORCE
+ $(call if_changed_dep,cc_symtypes_c)
+
# C (.c) files
# The C file is compiled and updated dependency information is generated.
# (See cmd_cc_o_c + relevant part of rule_cc_o_c)
@@ -166,7 +175,8 @@ cmd_cc_o_c = $(CC) $(c_flags) -c -o $(@D)/.tmp_$(@F) $<
cmd_modversions = \
if $(OBJDUMP) -h $(@D)/.tmp_$(@F) | grep -q __ksymtab; then \
$(CPP) -D__GENKSYMS__ $(c_flags) $< \
- | $(GENKSYMS) -a $(ARCH) \
+ | $(GENKSYMS) $(if $(KBUILD_SYMTYPES), \
+ -T $(@D)/$(@F:.o=.symtypes)) -a $(ARCH) \
> $(@D)/.tmp_$(@F:.o=.ver); \
\
$(LD) $(LDFLAGS) -r -o $@ $(@D)/.tmp_$(@F) \