dnl Check for SSDEEP Libraries

dnl CHECK_SSDEEP(ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND])

dnl Sets:

dnl  SSDEEP_CFLAGS

dnl  SSDEEP_LDFLAGS

AC_DEFUN([CHECK_SSDEEP],

[dnl

SSDEEP_CFLAGS=""

SSDEEP_LDFLAGS=""

SSDEEP_LDADD=""

AC_ARG_WITH(

    ssdeep,

    [AC_HELP_STRING([--with-ssdeep=PATH],[Path to ssdeep prefix])]

    ,, with_ssdeep=yes)

AS_CASE(["${with_ssdeep}"],

    [no], [test_paths=],

    [yes], [test_paths="/usr/ /usr/local/ /usr/local/libfuzzy /usr/local/fuzzy /opt/libfuzzy /opt/fuzzy /opt /opt/local"],

    [test_paths="${with_ssdeep}"])

AS_IF([test "x${test_paths}" != "x"], [

AC_MSG_CHECKING([for ssdeep path])

  SSDEEP_LIB_NAME="fuzzy"

  ssdeep_dir=

  if test -z "$withssdeep" -o "$withssdeep" = "yes"; then

    for i in ${test_paths}; do

      if test -f "$i/include/fuzzy.h"; then

        SSDEEP_CFLAGS="-I$i/include"

        ssdeep_dir=$i

      fi

    done

  else

    if test -f "$withssdeep/include/fuzzy.h"; then

      SSDEEP_CFLAGS="-I$withssdeep/include"

      ssdeep_dir=$withssdeep

    fi

  fi

  SSDEEP_LDFLAGS="-L$ssdeep_dir/lib -lfuzzy"

  SSDEEP_LDADD="-lfuzzy"

])  

    if test -z "${SSDEEP_CFLAGS}"; then

        AC_MSG_RESULT([no])

	SSDEEP_LDFLAGS=""

	SSDEEP_LDADD=""

       AC_MSG_NOTICE([optional ssdeep library not found])

    else

      SSDEEP_CFLAGS="-DWITH_SSDEEP ${SSDEEP_CFLAGS}"

        AC_MSG_RESULT([${SSDEEP_LDFLAGS} ${SSDEEP_CFLAGS}]) 

    fi 

AC_SUBST(SSDEEP_LDFLAGS)

AC_SUBST(SSDEEP_LDADD)

AC_SUBST(SSDEEP_CFLAGS)

])