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From Jean-frederic Clere <jfcl...@telefonica.net>
Subject Re: JCHEVM builds and runs
Date Wed, 16 Nov 2005 22:19:32 GMT
Tom Tromey wrote:

>>>>>>"Archie" == Archie Cobbs <archie@dellroad.org> writes:
>Archie> Great! What O/S are you using? Do you know a good ./configure test
>Archie> for whether "-ldl" is required?
>The usual thing is to pick whatever symbol is used by the package and
>do a series of AC_CHECK_LIB calls.  The original poster didn't say how
>the link failed, but for instance if dlopen was missing you would look
>for that.  There's an example of this for dlopen and friends in
>libltdl (part of libtool).
>There's no hard and fast rule for knowing what functions to check for.
>I'd say to look at APR before spending a lot of time on configury
The following patch helps for most unix like machine:
svn diff configure.in
Index: configure.in
--- configure.in        (revision 345091)
+++ configure.in        (working copy)
@@ -80,6 +80,7 @@
        [AC_MSG_ERROR([required library crypto missing])])
 AC_CHECK_LIB(popt, poptGetContext,,
        [AC_MSG_ERROR([required library libpopt missing])])
+AC_CHECK_LIB(dl, dlopen,,,)

 # Check for pthread library, linking either via -pthread or -lpthread
 AC_MSG_CHECKING([whether -pthread gets us the pthread library])



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