fix "make install_kernel_headers" to not create asm-generic

for 2.4 kernels.

diff --git a/extra/scripts/install_kernel_headers.sh b/extra/scripts/install_kernel_headers.sh
index b529a4d..7e86eb8 100755 (executable)
--- a/extra/scripts/install_kernel_headers.sh
+++ b/extra/scripts/install_kernel_headers.sh
@@ -45,17 +45,21 @@ if test "`(cd "$KERNEL_HEADERS"; env pwd)`" != "`(cd "$2"; env pwd)`"; then
        # and for all we know, good reasons.
        # We must work correctly in these cases. This includes "do not replace
        # target symlink with real directory" rule. So, no rm -rf here please.
-       mkdir -p "$2/asm"         2>/dev/null
-       mkdir -p "$2/asm-generic" 2>/dev/null
-       mkdir -p "$2/linux"       2>/dev/null
+       mkdir -p "$2/asm"   2>/dev/null
+       mkdir -p "$2/linux" 2>/dev/null
        # Exists, but is not a dir? That's bad, bail out
-       die_if_not_dir "$2/asm" "$2/asm-generic" "$2/linux"
+       die_if_not_dir "$2/asm" "$2/linux"
        # cp -HL creates regular destination files even if sources are symlinks.
        # This is intended.
        # (NB: you need busybox 1.11.x for this. earlier ones are slightly buggy)
-       cp -RHL "$KERNEL_HEADERS/asm"/*         "$2/asm"         || exit 1
-       cp -RHL "$KERNEL_HEADERS/asm-generic"/* "$2/asm-generic" || exit 1
-       cp -RHL "$KERNEL_HEADERS/linux"/*       "$2/linux"       || exit 1
+       cp -RHL "$KERNEL_HEADERS/asm"/*   "$2/asm"   || exit 1
+       cp -RHL "$KERNEL_HEADERS/linux"/* "$2/linux" || exit 1
+       # Linux 2.4 doesn't have it
+       if test -d "$KERNEL_HEADERS/asm-generic"; then
+               mkdir -p "$2/asm-generic" 2>/dev/null
+               die_if_not_dir "$2/asm-generic"
+               cp -RHL "$KERNEL_HEADERS/asm-generic"/* "$2/asm-generic" || exit 1
+       fi
        if ! test -f "$2/linux/version.h"; then
                echo "Warning: '$KERNEL_HEADERS/linux/version.h' is not found"
                echo "in kernel headers directory specified in .config."