initramfs: read CONFIG_RD_ variables for initramfs compression

[linux-drm-fsl-dcu.git] / scripts / gen_initramfs_list.sh

diff --git a/scripts/gen_initramfs_list.sh b/scripts/gen_initramfs_list.sh
index b482f162a18af48e6e83f6097581a317d64b194f..ef474098d9f1d1e2609221d3d3571c1f29d1b599 100644 (file)
--- a/scripts/gen_initramfs_list.sh
+++ b/scripts/gen_initramfs_list.sh
@@ -240,12 +240,24 @@ case "$arg" in
                output_file="$1"
                cpio_list="$(mktemp ${TMPDIR:-/tmp}/cpiolist.XXXXXX)"
                output=${cpio_list}
-               echo "$output_file" | grep -q "\.gz$" && compr="gzip -n -9 -f"
-               echo "$output_file" | grep -q "\.bz2$" && compr="bzip2 -9 -f"
-               echo "$output_file" | grep -q "\.lzma$" && compr="lzma -9 -f"
-               echo "$output_file" | grep -q "\.xz$" && \
-                               compr="xz --check=crc32 --lzma2=dict=1MiB"
-               echo "$output_file" | grep -q "\.lzo$" && compr="lzop -9 -f"
+               echo "$output_file" | grep -q "\.gz$" \
+                && [ -x "`which gzip 2> /dev/null`" ] \
+                && compr="gzip -n -9 -f"
+               echo "$output_file" | grep -q "\.bz2$" \
+                && [ -x "`which bzip2 2> /dev/null`" ] \
+                && compr="bzip2 -9 -f"
+               echo "$output_file" | grep -q "\.lzma$" \
+                && [ -x "`which lzma 2> /dev/null`" ] \
+                && compr="lzma -9 -f"
+               echo "$output_file" | grep -q "\.xz$" \
+                && [ -x "`which xz 2> /dev/null`" ] \
+                && compr="xz --check=crc32 --lzma2=dict=1MiB"
+               echo "$output_file" | grep -q "\.lzo$" \
+                && [ -x "`which lzop 2> /dev/null`" ] \
+                && compr="lzop -9 -f"
+               echo "$output_file" | grep -q "\.lz4$" \
+                && [ -x "`which lz4 2> /dev/null`" ] \
+                && compr="lz4 -9 -f"
                echo "$output_file" | grep -q "\.cpio$" && compr="cat"
                shift
                ;;