#AC_DEFUN(

AC_INIT
	AC_PROG_CC

	AC_PATH_X
	AC_SUBST(x_includes)
	AC_SUBST(x_libraries)

	AC_ARG_WITH(scsh-includes, [  --with-scsh-includes=DIR  scsh include files are in DIR [/usr/local/include]],
		scsh_includes=$withval , scsh_includes=/usr/local/include)
	AC_SUBST(scsh_includes)
	AC_ARG_WITH(scsh-libraries, [  --with-scsh-libraries=DIR scsh libraries are in DIR [/usr/local/lib/scsh]],
		scsh_libraries=$withval , scsh_libraries=/usr/local/lib/scsh)
	AC_SUBST(scsh_libraries)
	AC_ARG_WITH(scsh-modules, [  --with-scsh-modules=DIR scsh modules are in DIR [/usr/local/lib/scsh/modules]],
		scsh_modules=$withval , scsh_modules=/usr/local/lib/scsh/modules)
	AC_SUBST(scsh_modules)

	#AC_MSG_CHECKING(scsh installation)
	#AC_CHECK_HEADER(scheme48.h)
	#AC_CHECK_LIB(scsh/libscsh.a, scsh_access)

	AC_CHECK_LIB(crypt, crypt)
	AC_CHECK_LIB(dl, dlopen)
	AC_CHECK_LIB(m, exp)

	#if no_x == 'yes' fail ...

	AC_SUBST(LIBS)

AC_OUTPUT(Makefile)