From c66708eb84ffe55c0459dd8ef367489b9bf1b3c6 Mon Sep 17 00:00:00 2001
From: Lars Op den Kamp <lars@opdenkamp.eu>
Date: Thu, 13 Oct 2011 23:11:33 +0200
Subject: [PATCH] cec: only link cec-client against ld. use AC_SEARCH_LIBS
 instead of AC_CHECK_LIB

---
 configure.ac               | 12 +++++++++---
 src/testclient/Makefile.am |  3 ++-
 2 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/configure.ac b/configure.ac
index 69c15ec..fd1eb01 100644
--- a/configure.ac
+++ b/configure.ac
@@ -6,7 +6,7 @@ AC_PROG_LIBTOOL
 
 case "${host}" in
   *-*-linux*)
-    AC_CHECK_LIB([udev], [main],, AC_MSG_ERROR("required library 'udev' is missing"))
+    AC_SEARCH_LIBS([udev_new], [udev],, AC_MSG_ERROR("required library 'udev' is missing"))
     REQUIRES="udev"
     ;;
   *-apple-darwin*)
@@ -14,8 +14,14 @@ case "${host}" in
     ;;
 esac
 
-AC_CHECK_LIB([pthread], [main],, AC_MSG_ERROR("required library 'pthread' is missing"))
-AC_CHECK_LIB([dl], [main],, AC_MSG_ERROR("required library 'dl' is missing"))
+AC_SEARCH_LIBS([pthread_create],[pthread],, AC_MSG_ERROR("required library 'pthread' is missing"))
+
+libs_pre_dl=$LIBS
+  AC_SEARCH_LIBS(dlopen, [dl],
+    [test "$ac_cv_search_dlopen" = "none required" || LIBS_DL=$ac_cv_search_dlopen],
+    AC_MSG_ERROR("required library 'dl' is missing"))
+  AC_SUBST([LIBS_DL])
+LIBS=$libs_pre_dl
 
 CXXFLAGS="-fPIC -Wall -Wextra $CXXFLAGS"
 
diff --git a/src/testclient/Makefile.am b/src/testclient/Makefile.am
index aa23d92..34af79b 100644
--- a/src/testclient/Makefile.am
+++ b/src/testclient/Makefile.am
@@ -2,4 +2,5 @@ bin_PROGRAMS = cec-client
 cec_client_SOURCES = main.cpp \
                      ../lib/platform/threads.cpp
 
-cec_client_CPPFLAGS = -I@abs_top_srcdir@/include
\ No newline at end of file
+cec_client_CPPFLAGS = -I@abs_top_srcdir@/include
+cec_client_LDFLAGS = @LIBS_DL@
\ No newline at end of file
-- 
2.34.1