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authorMasahiro Yamada <yamada.masahiro@socionext.com>2019-02-22 16:56:09 +0900
committerMasahiro Yamada <yamada.masahiro@socionext.com>2019-02-28 22:50:55 +0900
commit9d9374440072eb0acf2070b45229ef64c3e04d27 (patch)
tree4f4bd3701746d62ba9795c3e6e3ba40bb3a306f7 /lib
parent117948ac744b208d55aad696c043830a1c5f6408 (diff)
downloadlinux-9d9374440072eb0acf2070b45229ef64c3e04d27.tar.gz
kbuild: move -gsplit-dwarf, -gdwarf-4 option tests to Kconfig
CONFIG_DEBUG_INFO_SPLIT and CONFIG_DEBUG_INFO_DWARF4 enable extra
dwarf options if supported. You never know if they are really enabled
since Makefile may silently turn them off.

The actual behavior will match to the kernel configuration by
testing those compiler flags in the Kconfig stage.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Diffstat (limited to 'lib')
-rw-r--r--lib/Kconfig.debug2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index d4df5b24d75e..dfc9949b6abe 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -179,6 +179,7 @@ config DEBUG_INFO_REDUCED
 config DEBUG_INFO_SPLIT
 	bool "Produce split debuginfo in .dwo files"
 	depends on DEBUG_INFO
+	depends on $(cc-option,-gsplit-dwarf)
 	help
 	  Generate debug info into separate .dwo files. This significantly
 	  reduces the build directory size for builds with DEBUG_INFO,
@@ -194,6 +195,7 @@ config DEBUG_INFO_SPLIT
 config DEBUG_INFO_DWARF4
 	bool "Generate dwarf4 debuginfo"
 	depends on DEBUG_INFO
+	depends on $(cc-option,-gdwarf-4)
 	help
 	  Generate dwarf4 debug info. This requires recent versions
 	  of gcc and gdb. It makes the debug information larger.