BUILD: set rpath for zita library properly by using AC_LIB_HAVE_LINKFLAGS

Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>

configure.ac

@@ -32,11 +32,10 @@ dnl zita resampler
 dnl
 AC_DEFUN([AC_ZITA_REQUIREMENTS],
 [
-    AC_CHECK_LIB(zita-resampler, _Z28zita_resampler_major_versionv,[],
-      [
+    AC_LIB_HAVE_LINKFLAGS([zita-resampler])
+    if test "x$HAVE_LIBZITA_RESAMPLER" = "xno"; then
         AC_MSG_ERROR([You need to install libzita-resampler to build this package.])
-      ]
-    )
+    fi
 ])
 
 dnl ffmpeg stuff

src/Makefile.am

@@ -8,7 +8,7 @@ COMMON_SRC = utils.hh utils.cc convcode.hh convcode.cc random.hh random.cc wavda
 	     limiter.cc limiter.hh shortcode.cc shortcode.hh mpegts.cc mpegts.hh hls.cc hls.hh audiobuffer.hh \
 	     wmget.cc wmadd.cc syncfinder.cc syncfinder.hh wmspeed.cc wmspeed.hh threadpool.cc threadpool.hh \
 	     resample.cc resample.hh
-COMMON_LIBS = $(SNDFILE_LIBS) $(FFTW_LIBS) $(LIBGCRYPT_LIBS) $(LIBMPG123_LIBS) $(FFMPEG_LIBS)
+COMMON_LIBS = $(SNDFILE_LIBS) $(FFTW_LIBS) $(LIBGCRYPT_LIBS) $(LIBMPG123_LIBS) $(FFMPEG_LIBS) $(LTLIBZITA_RESAMPLER)
 
 AM_CXXFLAGS = $(SNDFILE_CFLAGS) $(FFTW_CFLAGS) $(LIBGCRYPT_CFLAGS) $(LIBMPG123_CFLAGS) $(FFMPEG_CFLAGS)