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-rwxr-xr-xscripts/depmod.sh26
1 files changed, 23 insertions, 3 deletions
diff --git a/scripts/depmod.sh b/scripts/depmod.sh
index 2ae481703141..122599b1c13b 100755
--- a/scripts/depmod.sh
+++ b/scripts/depmod.sh
@@ -2,16 +2,36 @@
#
# A depmod wrapper used by the toplevel Makefile
-if test $# -ne 2; then
- echo "Usage: $0 /sbin/depmod <kernelrelease>" >&2
+if test $# -ne 3; then
+ echo "Usage: $0 /sbin/depmod <kernelrelease> <symbolprefix>" >&2
exit 1
fi
DEPMOD=$1
KERNELRELEASE=$2
+SYMBOL_PREFIX=$3
if ! test -r System.map -a -x "$DEPMOD"; then
exit 0
fi
+
+# older versions of depmod don't support -P <symbol-prefix>
+# support was added in module-init-tools 3.13
+if test -n "$SYMBOL_PREFIX"; then
+ release=$("$DEPMOD" --version)
+ package=$(echo "$release" | cut -d' ' -f 1)
+ if test "$package" = "module-init-tools"; then
+ version=$(echo "$release" | cut -d' ' -f 2)
+ later=$(printf '%s\n' "$version" "3.13" | sort -V | tail -n 1)
+ if test "$later" != "$version"; then
+ # module-init-tools < 3.13, drop the symbol prefix
+ SYMBOL_PREFIX=""
+ fi
+ fi
+ if test -n "$SYMBOL_PREFIX"; then
+ SYMBOL_PREFIX="-P $SYMBOL_PREFIX"
+ fi
+fi
+
# older versions of depmod require the version string to start with three
# numbers, so we cheat with a symlink here
depmod_hack_needed=true
@@ -34,7 +54,7 @@ set -- -ae -F System.map
if test -n "$INSTALL_MOD_PATH"; then
set -- "$@" -b "$INSTALL_MOD_PATH"
fi
-"$DEPMOD" "$@" "$KERNELRELEASE"
+"$DEPMOD" "$@" "$KERNELRELEASE" $SYMBOL_PREFIX
ret=$?
if $depmod_hack_needed; then