Trust autoconf to dtrt wrt libraries.

Prefer libthr to libpthread if it's available (i.e. on FreeBSD 6 and newer)

git-svn-id: http://www.varnish-cache.org/svn/trunk/varnish-cache@1098 d4fa192b-c00b-0410-8231-f00ffab90ce4

bin/varnishd/Makefile.am

@@ -62,17 +62,4 @@ varnishd_LDFLAGS = -export-dynamic
 varnishd_LDADD = \
 	$(top_builddir)/lib/libcompat/libcompat.a \
 	$(top_builddir)/lib/libvarnish/libvarnish.la \
-	$(top_builddir)/lib/libvcl/libvcl.la \
-	-lpthread
-
-if NEED_LIBDL
-varnishd_LDADD += -ldl
-endif
-
-if NEED_LIBMD
-varnishd_LDADD += -lmd
-endif
-
-if NEED_LIBRT
-varnishd_LDADD += -lrt
-endif
+	$(top_builddir)/lib/libvcl/libvcl.la

bin/varnishncsa/Makefile.am

@@ -14,7 +14,3 @@ varnishncsa_LDADD = \
 	$(top_builddir)/lib/libcompat/libcompat.a \
 	$(top_builddir)/lib/libvarnish/libvarnish.la \
 	$(top_builddir)/lib/libvarnishapi/libvarnishapi.la
-
-if NEED_LIBRT
-varnishncsa_LDADD += -lrt
-endif

bin/varnishstat/Makefile.am

@@ -13,9 +13,5 @@ varnishstat_CFLAGS = -include config.h
 varnishstat_LDADD = \
 	$(top_builddir)/lib/libcompat/libcompat.a \
 	$(top_builddir)/lib/libvarnish/libvarnish.la \
-	$(top_builddir)/lib/libvarnishapi/libvarnishapi.la  \
+	$(top_builddir)/lib/libvarnishapi/libvarnishapi.la \
 	-lcurses
-
-if NEED_LIBRT
-varnishstat_LDADD += -lrt
-endif

configure.ac

@@ -35,6 +35,10 @@ AC_PROG_LIBTOOL
 AC_PROG_MAKE_SET
 
 # Checks for libraries.
+AC_CHECK_LIB(rt, clock_gettime)
+AC_CHECK_LIB(dl, dlopen)
+#AC_SEARCH_LIBS(initscr, [curses ncurses])
+AC_SEARCH_LIBS(pthread_create, [thr pthread c_r])
 
 # Checks for header files.
 AC_HEADER_STDC
@@ -75,21 +79,6 @@ AC_CHECK_FUNCS([strlcat strlcpy])
 AC_CHECK_FUNCS([strndup])
 AC_CHECK_FUNCS([vis strvis strvisx])
 
-# On some systems, clock_gettime is in librt rather than libc
-AC_CHECK_LIB(rt, clock_gettime, need_librt=yes)
-AM_CONDITIONAL(NEED_LIBRT, test x$need_librt = xyes)
-
-# Check if dlopen() requires libdl
-AC_CHECK_LIB(dl, dlopen, need_libdl=yes)
-AM_CONDITIONAL(NEED_LIBDL, test x$need_libdl = xyes)
-
-# Check for the presence of RSA's MD5 implementation (libmd on *BSD)
-AC_CHECK_HEADERS([md5.h])
-if test x$ac_cv_header_md5_h = xyes ; then
-	AC_CHECK_LIB(md, MD5Init, need_libmd=yes)
-fi
-AM_CONDITIONAL(NEED_LIBMD, test x$need_libmd = xyes)
-
 # Check which mechanism to use for the acceptor
 AC_CHECK_FUNCS([kqueue])
 AC_CHECK_FUNCS([epoll_ctl])