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author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
commit | 57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch) | |
tree | 5e910f0e82173f4ef4f51111366a3f1299037a7b /scripts/depmod.sh |
Initial import
Diffstat (limited to 'scripts/depmod.sh')
-rwxr-xr-x | scripts/depmod.sh | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/scripts/depmod.sh b/scripts/depmod.sh new file mode 100755 index 000000000..122599b1c --- /dev/null +++ b/scripts/depmod.sh @@ -0,0 +1,64 @@ +#!/bin/sh +# +# A depmod wrapper used by the toplevel Makefile + +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 $SYMBOL_PREFIX" + fi +fi + +# older versions of depmod require the version string to start with three +# numbers, so we cheat with a symlink here +depmod_hack_needed=true +tmp_dir=$(mktemp -d ${TMPDIR:-/tmp}/depmod.XXXXXX) +mkdir -p "$tmp_dir/lib/modules/$KERNELRELEASE" +if "$DEPMOD" -b "$tmp_dir" $KERNELRELEASE 2>/dev/null; then + if test -e "$tmp_dir/lib/modules/$KERNELRELEASE/modules.dep" -o \ + -e "$tmp_dir/lib/modules/$KERNELRELEASE/modules.dep.bin"; then + depmod_hack_needed=false + fi +fi +rm -rf "$tmp_dir" +if $depmod_hack_needed; then + symlink="$INSTALL_MOD_PATH/lib/modules/99.98.$KERNELRELEASE" + ln -s "$KERNELRELEASE" "$symlink" + KERNELRELEASE=99.98.$KERNELRELEASE +fi + +set -- -ae -F System.map +if test -n "$INSTALL_MOD_PATH"; then + set -- "$@" -b "$INSTALL_MOD_PATH" +fi +"$DEPMOD" "$@" "$KERNELRELEASE" $SYMBOL_PREFIX +ret=$? + +if $depmod_hack_needed; then + rm -f "$symlink" +fi + +exit $ret |