--- mozilla/config/rules.mk.orig	Thu Sep 14 14:07:03 2006
+++ mozilla/config/rules.mk	Wed Oct 18 11:00:09 2006
@@ -442,9 +442,7 @@
 endif
 
 ifeq ($(OS_ARCH),FreeBSD)
-ifdef IS_COMPONENT
-EXTRA_DSO_LDOPTS += -Wl,-Bsymbolic
-endif
+EXTRA_DSO_LDOPTS += -Wl,-Bsymbolic -lc
 endif
 
 ifeq ($(OS_ARCH),NetBSD)
--- mozilla/configure.in.orig	2007-02-06 02:37:37 -0300
+++ mozilla/configure.in	2007-03-07 15:35:41 -0300
@@ -2667,7 +2667,7 @@
 *-hpux11.*)
 	;;
 *)
-	AC_CHECK_LIB(c_r, gethostbyname_r)
+	AC_SEARCH_LIBS([gethostbyname_r], [c_r])
 	;;
 esac
 AC_CHECK_LIB(m, atan)
--- mozilla/configure.in.orig   2007-02-06 02:37:37 -0300
+++ mozilla/configure.in	2007-03-07 13:59:53 -0300
@@ -2839,11 +2839,12 @@
 	    *-*-freebsd*)
 			AC_DEFINE(_REENTRANT)
 			AC_DEFINE(_THREAD_SAFE)
-			dnl -pthread links in -lc_r, so don't specify it explicitly.
-			if test "$ac_cv_have_dash_pthread" = "yes"; then
-				_PTHREAD_LDFLAGS="-pthread"
+			dnl use the environment PTHREAD_LIBS
+			if test -n "$PTHREAD_LIBS"; then
+				_PTHREAD_LDFLAGS="$PTHREAD_LIBS"
 			else
-				_PTHREAD_LDFLAGS="-lc_r"
+				_PTHREAD_LDFLAGS="-lpthread"
 			fi
+			LDFLAGS="${_PTHREAD_LDFLAGS} ${LDFLAGS}"
 			;;
 
--- mozilla/nsprpub/configure.in.orig	2007-01-16 19:36:21 -0300
+++ mozilla/nsprpub/configure.in	2007-03-07 14:07:04 -0300
@@ -2441,11 +2441,12 @@
     *-freebsd*)
 	    AC_DEFINE(_REENTRANT)
 	    AC_DEFINE(_THREAD_SAFE)
-	    dnl -pthread links in -lc_r, so don't specify it explicitly.
-	    if test "$ac_cv_have_dash_pthread" = "yes"; then
-	        _PTHREAD_LDFLAGS="-pthread"
+	    dnl use the environment PTHREAD_LIBS
+	    if test -n "$PTHREAD_LIBS"; then
+		_PTHREAD_LDFLAGS="$PTHREAD_LIBS"
 	    else
-	        _PTHREAD_LDFLAGS="-lc_r"
+	        _PTHREAD_LDFLAGS="-lpthread"
 	    fi
+		LDFLAGS="${_PTHREAD_LDFLAGS} ${LDFLAGS}"
 	    ;;
     *-netbsd*)