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Re: distcheck and AC_CONFIG_SUBDIRS


From: Ralf Wildenhues
Subject: Re: distcheck and AC_CONFIG_SUBDIRS
Date: Mon, 16 Jan 2006 16:53:50 +0100
User-agent: Mutt/1.5.11

Hi Harlan,

* Harlan Stenn wrote on Mon, Jan 16, 2006 at 10:25:02AM CET:
> 
>  ftp://ftp.eecis.udel.edu/pub/ntp/ntp4/testing/ntp-dev-ag.tar.gz

First issue that pops up:
  configure -C
  cp Makefile Makefile-1
  ./config.status --recheck
  ./config.status
  diff Makefile-1 Makefile

is not empty: 

| --- Makefile-1
| +++ Makefile
| @@ -157,7 +157,7 @@
|  PATH_SH = /bin/sh
|  PROPDELAY =
|  RANLIB = ranlib
| -READLINE_LIBS = -lreadline -lcurses
| +READLINE_LIBS = -lreadline
|  SET_MAKE =
|  SHELL = /bin/sh
|  STRIP = strip

You'll have to either cache the value of READLINE_LIBS itself, or unset
the cache variable before the first try, too, in order for the cache to
be precise:

--- configure.ac
+++ configure.ac
@@ -299,6 +299,7 @@
  *no*) ;;
  *) save_LIBS=$LIBS
     LIBS=
+    unset ac_cv_lib_readline_readline
     AC_CHECK_LIB(readline, readline, ,
      AC_MSG_NOTICE([Trying again with -lcurses])
      unset ac_cv_lib_readline_readline



Second issue: you have per-target flags, thus need this:

--- configure.ac
+++ configure.ac
@@ -26,6 +26,7 @@

 dnl  we need to check for cross compile tools for vxWorks here
 AC_PROG_CC
+AM_PROG_CC_C_O
 AC_PROG_CC_STDC
 AC_PROG_CPP

and the `compile' script (automake -a will add that).

I will eventually get to your actual issue, but I'm seeing more things
before that.

Cheers,
Ralf




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