Re: emacs-25 307e76c 4/6: Add dynamic module module support

[Paul Eggert <eggert@cs.ucla.edu>]

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Andreas Schwab wrote:
> dladdr requires -ldl, but this check doesn't use LIBMODULES, which means
> dladdr is never found here.

Thanks for catching that. Fixed with the attached.

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From 6ca920f6718135a321ccc86dcbe3cf37efd7eb4e Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert@cs.ucla.edu>
Date: Sun, 7 Feb 2016 07:46:59 -0800
Subject: [PATCH] Fix test for dladdr

Problem reported by Andreas Schwab in:
http://lists.gnu.org/archive/html/emacs-devel/2016-02/msg00327.html
* configure.ac (dladdr): Link with LIBMODULES when checking for
this function.
---
 configure.ac | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/configure.ac b/configure.ac
index 57bde94..1ff9c49 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3360,7 +3360,7 @@ if test "${with_modules}" != "no"; then
   else
     SAVE_LIBS=$LIBS
     LIBS="$LIBS $LIBMODULES"
-    AC_CHECK_FUNCS([dlfunc])
+    AC_CHECK_FUNCS([dladdr dlfunc])
     LIBS=$SAVE_LIBS
   fi
 fi
@@ -3373,7 +3373,6 @@ if test "${HAVE_MODULES}" = yes; then
 fi
 AC_SUBST(MODULES_OBJ)
 AC_SUBST(LIBMODULES)
-AC_CHECK_FUNCS(dladdr)
 
 ### Use -lpng if available, unless '--with-png=no'.
 HAVE_PNG=no
-- 
2.5.0