depmod.sh 1.8 KB

12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970
  1. #!/bin/sh
  2. #
  3. # A depmod wrapper used by the toplevel Makefile
  4. if test $# -ne 3; then
  5. echo "Usage: $0 /sbin/depmod <kernelrelease> <symbolprefix>" >&2
  6. exit 1
  7. fi
  8. DEPMOD=$1
  9. KERNELRELEASE=$2
  10. SYMBOL_PREFIX=$3
  11. if ! test -r System.map ; then
  12. exit 0
  13. fi
  14. if [ -z $(command -v $DEPMOD) ]; then
  15. echo "Warning: 'make modules_install' requires $DEPMOD. Please install it." >&2
  16. echo "This is probably in the kmod package." >&2
  17. exit 0
  18. fi
  19. # older versions of depmod don't support -P <symbol-prefix>
  20. # support was added in module-init-tools 3.13
  21. if test -n "$SYMBOL_PREFIX"; then
  22. release=$("$DEPMOD" --version)
  23. package=$(echo "$release" | cut -d' ' -f 1)
  24. if test "$package" = "module-init-tools"; then
  25. version=$(echo "$release" | cut -d' ' -f 2)
  26. later=$(printf '%s\n' "$version" "3.13" | sort -V | tail -n 1)
  27. if test "$later" != "$version"; then
  28. # module-init-tools < 3.13, drop the symbol prefix
  29. SYMBOL_PREFIX=""
  30. fi
  31. fi
  32. if test -n "$SYMBOL_PREFIX"; then
  33. SYMBOL_PREFIX="-P $SYMBOL_PREFIX"
  34. fi
  35. fi
  36. # older versions of depmod require the version string to start with three
  37. # numbers, so we cheat with a symlink here
  38. depmod_hack_needed=true
  39. tmp_dir=$(mktemp -d ${TMPDIR:-/tmp}/depmod.XXXXXX)
  40. mkdir -p "$tmp_dir/lib/modules/$KERNELRELEASE"
  41. if "$DEPMOD" -b "$tmp_dir" $KERNELRELEASE 2>/dev/null; then
  42. if test -e "$tmp_dir/lib/modules/$KERNELRELEASE/modules.dep" -o \
  43. -e "$tmp_dir/lib/modules/$KERNELRELEASE/modules.dep.bin"; then
  44. depmod_hack_needed=false
  45. fi
  46. fi
  47. rm -rf "$tmp_dir"
  48. if $depmod_hack_needed; then
  49. symlink="$INSTALL_MOD_PATH/lib/modules/99.98.$KERNELRELEASE"
  50. ln -s "$KERNELRELEASE" "$symlink"
  51. KERNELRELEASE=99.98.$KERNELRELEASE
  52. fi
  53. set -- -ae -F System.map
  54. if test -n "$INSTALL_MOD_PATH"; then
  55. set -- "$@" -b "$INSTALL_MOD_PATH"
  56. fi
  57. "$DEPMOD" "$@" "$KERNELRELEASE" $SYMBOL_PREFIX
  58. ret=$?
  59. if $depmod_hack_needed; then
  60. rm -f "$symlink"
  61. fi
  62. exit $ret