Merge tag 'kbuild-v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy...

[platform/kernel/linux-rpi.git] / lib / Kconfig.debug

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index d378403..881c3f8 100644 (file)
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -312,8 +312,21 @@ config DEBUG_INFO_REDUCED
          DEBUG_INFO build and compile times are reduced too.
          Only works with newer gcc versions.
 
-config DEBUG_INFO_COMPRESSED
-       bool "Compressed debugging information"
+choice
+       prompt "Compressed Debug information"
+       help
+         Compress the resulting debug info. Results in smaller debug info sections,
+         but requires that consumers are able to decompress the results.
+
+         If unsure, choose DEBUG_INFO_COMPRESSED_NONE.
+
+config DEBUG_INFO_COMPRESSED_NONE
+       bool "Don't compress debug information"
+       help
+         Don't compress debug info sections.
+
+config DEBUG_INFO_COMPRESSED_ZLIB
+       bool "Compress debugging information with zlib"
        depends on $(cc-option,-gz=zlib)
        depends on $(ld-option,--compress-debug-sections=zlib)
        help
@@ -327,6 +340,18 @@ config DEBUG_INFO_COMPRESSED
          preferable to setting $KDEB_COMPRESS to "none" which would be even
          larger.
 
+config DEBUG_INFO_COMPRESSED_ZSTD
+       bool "Compress debugging information with zstd"
+       depends on $(cc-option,-gz=zstd)
+       depends on $(ld-option,--compress-debug-sections=zstd)
+       help
+         Compress the debug information using zstd.  This may provide better
+         compression than zlib, for about the same time costs, but requires newer
+         toolchain support.  Requires GCC 13.0+ or Clang 16.0+, binutils 2.40+, and
+         zstd.
+
+endchoice # "Compressed Debug information"
+
 config DEBUG_INFO_SPLIT
        bool "Produce split debuginfo in .dwo files"
        depends on $(cc-option,-gsplit-dwarf)