sys/conf/sysent.mk

   1
   2 # Don't use an OBJDIR
   3 .OBJDIR: ${.CURDIR}
   4
   5 .include <bsd.sysdir.mk>
   6 .include <src.lua.mk>
   7
   8 COMMON_GENERATED=       proto.h         \
   9                         syscall.h       \
  10                         syscalls.c      \
  11                         sysent.c        \
  12                         systrace_args.c
  13
  14 GENERATED_PREFIX?=
  15 GENERATED?=     ${COMMON_GENERATED:S/^/${GENERATED_PREFIX}/}
  16 SYSENT_FILE?=   syscalls.master
  17 SYSENT_CONF?=   syscalls.conf
  18
  19 # Including Makefile should override SYSENT_FILE and SYSENT_CONF as needed,
  20 # and set GENERATED.
  21 SRCS+=  ${SYSENT_FILE}
  22 SRCS+=  ${SYSENT_CONF}
  23
  24 # Ensure that the target gets updated if the capabilities file is modified,
  25 # even though it is not an explicit input to makesyscalls.lua.  For some
  26 # targets, like Linux system calls, this is unnecessary, but a spurious rebuild
  27 # is both rare and harmless.
  28 CAPABILITIES_CONF?= ${SYSDIR}/kern/capabilities.conf
  29 SRCS+=  ${CAPABILITIES_CONF}
  30
  31 MAKESYSCALLS_INTERP?=   ${LUA}
  32 MAKESYSCALLS_SCRIPT?=   ${SYSDIR}/tools/makesyscalls.lua
  33 MAKESYSCALLS=   ${MAKESYSCALLS_INTERP} ${MAKESYSCALLS_SCRIPT}
  34
  35 all:
  36         @echo "make sysent only"
  37
  38 # We .ORDER these explicitly so that we only run MAKESYSCALLS once, rather than
  39 # potentially once for each ${GENERATED} file.
  40 .ORDER: ${GENERATED}
  41 sysent: ${GENERATED}
  42
  43 # We slap a .PHONY on makesyscalls.lua so that we regenerate every single time,
  44 # for now, which can be less painful across rebases or other things that may
  45 # have odd effects on mtimes.
  46 ${MAKESYSCALLS_SCRIPT}: .PHONY
  47
  48 ${GENERATED}: ${MAKESYSCALLS_SCRIPT} ${SRCS}
  49         ${MAKESYSCALLS} ${SYSENT_FILE} ${SYSENT_CONF}