depmod.sh 1.4 KB

12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455
  1. #!/bin/sh
  2. # SPDX-License-Identifier: GPL-2.0
  3. #
  4. # A depmod wrapper used by the toplevel Makefile
  5. if test $# -ne 2; then
  6. echo "Usage: $0 /sbin/depmod <kernelrelease>" >&2
  7. exit 1
  8. fi
  9. DEPMOD=$1
  10. KERNELRELEASE=$2
  11. if ! test -r System.map ; then
  12. echo "Warning: modules_install: missing 'System.map' file. Skipping depmod." >&2
  13. exit 0
  14. fi
  15. # legacy behavior: "depmod" in /sbin, no /sbin in PATH
  16. PATH="$PATH:/sbin"
  17. if [ -z $(command -v $DEPMOD) ]; then
  18. echo "Warning: 'make modules_install' requires $DEPMOD. Please install it." >&2
  19. echo "This is probably in the kmod package." >&2
  20. exit 0
  21. fi
  22. # older versions of depmod require the version string to start with three
  23. # numbers, so we cheat with a symlink here
  24. depmod_hack_needed=true
  25. tmp_dir=$(mktemp -d ${TMPDIR:-/tmp}/depmod.XXXXXX)
  26. mkdir -p "$tmp_dir/lib/modules/$KERNELRELEASE"
  27. if "$DEPMOD" -b "$tmp_dir" $KERNELRELEASE 2>/dev/null; then
  28. if test -e "$tmp_dir/lib/modules/$KERNELRELEASE/modules.dep" -o \
  29. -e "$tmp_dir/lib/modules/$KERNELRELEASE/modules.dep.bin"; then
  30. depmod_hack_needed=false
  31. fi
  32. fi
  33. rm -rf "$tmp_dir"
  34. if $depmod_hack_needed; then
  35. symlink="$INSTALL_MOD_PATH/lib/modules/99.98.$KERNELRELEASE"
  36. ln -s "$KERNELRELEASE" "$symlink"
  37. KERNELRELEASE=99.98.$KERNELRELEASE
  38. fi
  39. set -- -ae -F System.map
  40. if test -n "$INSTALL_MOD_PATH"; then
  41. set -- "$@" -b "$INSTALL_MOD_PATH"
  42. fi
  43. "$DEPMOD" "$@" "$KERNELRELEASE"
  44. ret=$?
  45. if $depmod_hack_needed; then
  46. rm -f "$symlink"
  47. fi
  48. exit $ret