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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)

dnl Check for optional system calls
AC_CHECK_FUNCS(readlink)

dnl Check for acceptable dladdr so we can find ourselves on UNIX
DC_CHECK_FOR_ACCEPTABLE_DLADDR

dnl Produce output
AC_OUTPUT(Makefile)