acinclude.m4

   1 AC_DEFUN(AC_CHECK_LIB_LOC,
   2 [AC_MSG_CHECKING([for lib$2 in $1])
   3 ac_lib_var=`echo $1['_']$2 | sed 'y%./+-%__p_%'`
   4 AC_CACHE_VAL(ac_cv_lib_loc_$ac_lib_var,
   5 [ac_save_LIBS="$LIBS"
   6 LIBS="-L$1 -l$2 $6 $LIBS"
   7 AC_TRY_LINK(
   8 [/* We use char because int might match the return type of a gcc2
   9     builtin and then its argument prototype would still apply.  */
  10 char $3();
  11 ],
  12             [$3()],
  13             eval "ac_cv_lib_loc_$ac_lib_var=yes",
  14             eval "ac_cv_lib_loc_$ac_lib_var=no")
  15 LIBS="$ac_save_LIBS"
  16 ])dnl
  17 if eval "test \"`echo '$ac_cv_lib_loc_'$ac_lib_var`\" = yes"; then
  18   AC_MSG_RESULT(yes)
  19   ifelse([$4], ,
  20 [LIBS="-L$1 -l$2 $LIBS"
  21 ], [$4])
  22 else
  23   AC_MSG_RESULT(no)
  24 ifelse([$5], , , [$5
  25 ])dnl
  26 fi
  27 ])