config/ac_check_smack.m4

   1 AC_DEFUN([AC_CHECK_SMACK],[
   2 AC_MSG_CHECKING([whether SMACK development version is installed])
   3 SMACK_LIBS="-lsmack"
   4 ac_have_smack="no"
   5
   6 AC_ARG_WITH([smack-path],
   7         AC_HELP_STRING([--with-smack-path=@<:@ARG@:>@],
   8                 [Build with the different path to SMACK (ARG=string)]),
   9         [
  10                 SMACK_LIBS="-L$withval/lib64 -L$withval/lib -lsmack -Wl,-rpath,$withval/lib64 -Wl,-rpath,$withval/lib"
  11                 SMACK_CFLAGS="-I$withval/include"
  12         ]
  13 )
  14
  15 saved_CFLAGS="$CFLAGS"
  16 saved_LIBS="$LIBS"
  17 LIBS="$SMACK_LIBS $LIBS"
  18 CFLAGS="$SMACK_CFLAGS $CFLAGS"
  19
  20 AC_TRY_LINK([#include <smack/smack.h>],
  21         [int err; struct smack_ctl *ctl = smack_init(NULL, &err);],
  22         [
  23                 AC_DEFINE(HAVE_SMACK_SUPPORT, 1, [Define this if SMACK is installed])
  24                 ac_have_smack="yes"
  25                 AC_MSG_RESULT([yes])
  26         ], [
  27                 ac_have_smack="no"
  28                 SMACK_LIBS=""
  29                 SMACK_CFLAGS=""
  30                 AC_MSG_RESULT([no])
  31         ])
  32
  33 AC_SUBST(SMACK_LIBS)
  34 AC_SUBST(SMACK_CFLAGS)
  35 LIBS="$saved_LIBS"
  36 CFLAGS="$saved_CFLAGS"
  37 AM_CONDITIONAL(HAVE_SMACK, [test "f$ac_have_smack" = "fyes"])
  38 ])