AC_SEARCH_LIBS(dlsym, dl,, [ AC_MSG_WARN([Couldn't find dlsym (normally in libdl)!]) ])

dnl Determine how to create a shared object
DC_GET_SHOBJFLAGS

dnl Find the appropriate Tcl headers and libraries
DC_DO_TCL

dnl Find required libs
DC_FIND_TCLKIT_LIBS

dnl Check for Tcl features
SAVE_LIBS="${LIBS}"
LIBS="${ARCHS} ${LIBS}"
dnl Check for the ability to get the current system encoding
AC_CHECK_FUNCS(Tcl_GetEncodingNameFromEnvironment Tcl_SetSystemEncoding)
LIBS="${SAVE_LIBS}"

dnl Find required libs
DC_FIND_TCLKIT_LIBS

dnl Find extra objects we need to link as a part of "libtclkit"
AC_SUBST(EXTRA_OBJS)

dnl Check for optional headers
AC_HEADER_STDC
AC_CHECK_HEADERS(unistd.h string.h strings.h)