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kconfig: keep config.gz around even if CONFIG_IKCONFIG_PROC is not set

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If CONFIG_IKCONFIG is set but CONFIG_IKCONFIG_PROC is not, then
gcc will optimize the config.gz out, because nobody uses it.

This patch adds "__used" to the config.gz data to keep it around so that
code like extract-ikconfig can still find it.

[ Impact: allow extract-ikconfig to find config.gz ]

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
This commit is contained in:
Steven Rostedt 2009-04-30 12:32:04 -04:00 committed by Steven Rostedt
parent 6be51ffc17
commit de481560eb
1 changed files with 1 additions and 1 deletions
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2
kernel/Makefile
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@ -119,7 +119,7 @@ $(obj)/config_data.gz: .config FORCE
$(call if_changed,gzip)
quiet_cmd_ikconfiggz = IKCFG $@
cmd_ikconfiggz = (echo "static const char kernel_config_data[] = MAGIC_START"; cat $< | scripts/bin2c; echo "MAGIC_END;") > $@
cmd_ikconfiggz = (echo "static const char kernel_config_data[] __used = MAGIC_START"; cat $< | scripts/bin2c; echo "MAGIC_END;") > $@
targets += config_data.h
$(obj)/config_data.h: $(obj)/config_data.gz FORCE
$(call if_changed,ikconfiggz)