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-rw-r--r--usr/Kconfig10
-rw-r--r--usr/Makefile20
2 files changed, 11 insertions, 19 deletions
diff --git a/usr/Kconfig b/usr/Kconfig
index 572dcf7b6a44..bf8e8f15358f 100644
--- a/usr/Kconfig
+++ b/usr/Kconfig
@@ -98,3 +98,13 @@ config RD_LZ4
help
Support loading of a LZ4 encoded initial ramdisk or cpio buffer
If unsure, say N.
+
+config INITRAMFS_COMPRESSION
+ string
+ default ".gz" if RD_GZIP
+ default ".lz4" if RD_LZ4
+ default ".lzo" if RD_LZO
+ default ".xz" if RD_XZ
+ default ".lzma" if RD_LZMA
+ default ".bz2" if RD_BZIP2
+ default ""
diff --git a/usr/Makefile b/usr/Makefile
index e767f019accf..17a513268325 100644
--- a/usr/Makefile
+++ b/usr/Makefile
@@ -5,25 +5,7 @@
klibcdirs:;
PHONY += klibcdirs
-
-# Bzip2
-suffix_$(CONFIG_RD_BZIP2) = .bz2
-
-# Lzma
-suffix_$(CONFIG_RD_LZMA) = .lzma
-
-# XZ
-suffix_$(CONFIG_RD_XZ) = .xz
-
-# Lzo
-suffix_$(CONFIG_RD_LZO) = .lzo
-
-# Lz4
-suffix_$(CONFIG_RD_LZ4) = .lz4
-
-# Gzip
-suffix_$(CONFIG_RD_GZIP) = .gz
-
+suffix_y = $(CONFIG_INITRAMFS_COMPRESSION)
AFLAGS_initramfs_data.o += -DINITRAMFS_IMAGE="usr/initramfs_data.cpio$(suffix_y)"
# Generate builtin.o based on initramfs_data.o