Messages in this thread Patch in this message | | | From | Arnd Bergmann <> | Subject | [PATCH 1/7] [HACK] lto: make config.gz symbol visible | Date | Fri, 2 Feb 2018 17:15:39 +0100 |
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building with LTO enabled, I often get warnings about kernel/configs.c being empty when CONFIG_IKCONFIG is disabled:
x86_64-linux/bin/nm: kernel/configs.o: no symbols
Making the symbol visible is probably not the right solution, but it does get rid of the warning.
Signed-off-by: Arnd Bergmann <arnd@arndb.de> --- kernel/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/Makefile b/kernel/Makefile index 7666ee88e237..40b48e3e87a2 100644 --- a/kernel/Makefile +++ b/kernel/Makefile @@ -120,7 +120,7 @@ targets += config_data.gz $(obj)/config_data.gz: $(KCONFIG_CONFIG) FORCE $(call if_changed,gzip) - filechk_ikconfiggz = (echo "static const char kernel_config_data[] __used = MAGIC_START"; cat $< | scripts/basic/bin2c; echo "MAGIC_END;") + filechk_ikconfiggz = (echo "const char kernel_config_data[] __used __visible = MAGIC_START"; cat $< | scripts/basic/bin2c; echo "MAGIC_END;") targets += config_data.h $(obj)/config_data.h: $(obj)/config_data.gz FORCE $(call filechk,ikconfiggz) -- 2.9.0
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