dnl Useful autoconf macros

# --enable-maintainer-mode is disabled by default

AC_DEFUN([CSL_AC_MAINTAINER_MODE],[

  AC_ARG_ENABLE(maintainer-mode,

    AS_HELP_STRING([--enable-maintainer-mode],

	  	   [Enable maintainer mode]),

    MAINTAINER_MODE=$enableval,

    MAINTAINER_MODE=no)

  AC_SUBST(MAINTAINER_MODE)

])

# --with-pkgversion=VERSION

AC_DEFUN([CSL_AC_PKGVERSION],[

  AC_ARG_WITH(pkgversion,

    AS_HELP_STRING([--with-pkgversion=PKG],

                   [Add PKG to the version string]),

    [case "$withval" in

      (yes) AC_MSG_ERROR([package version not specified]) ;;

      (no)  PKGVERSION= ;;

      (*)   PKGVERSION=" ($withval)" ;;

     esac],

    PKGVERSION=

  )

  AC_SUBST(PKGVERSION)

])

# --with-bugurl=URL

AC_DEFUN([CSL_AC_BUGURL],[

  AC_ARG_WITH(bugurl,

    AS_HELP_STRING([--with-bugurl=URL],

                   [Direct users to URL to report a bug]),

    [case "$withval" in

      (yes) AC_MSG_ERROR([bug URL not specified]) ;;

      (no)  BUGURL="" ;; 

      (*)   BUGURL="<URL:$withval>" ;;

     esac],

     BUGURL=""

  )

  AC_SUBST(BUGURL)

])