+# these flags will work for all versions of -STABLE
+#
+ *-*-*freebsd4*)
+ platform_win32=no
+ if test "x$PTHREAD_CFLAGS" = "x"; then
+ CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_FREEBSD_THREADS"
+ libmono_cflags="-D_THREAD_SAFE"
+ else
+ CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
+ libmono_cflags="$PTHREAD_CFLAGS"
+ fi
+ if test "x$PTHREAD_LIBS" = "x"; then
+ LDFLAGS="$LDFLAGS -pthread"
+ libmono_ldflags="-pthread"
+ else
+ LDFLAGS="$LDFLAGS $PTHREAD_LIBS"
+ libmono_ldflags="$PTHREAD_LIBS"
+ fi
+ need_link_unlink=yes
+ AC_DEFINE(PTHREAD_POINTER_ID)
+ libdl=
+ libgc_threads=pthreads
+# TLS isn't implemented at all on -STABLE
+ with_nptl=no
+ with_tls=pthread
+ ;;
+# older versions of -CURRENT will break with these flags but testing
+# indicates these older versions won't run Mono anyway
+#
+ *-*-*freebsd5*)
+ platform_win32=no
+ if test "x$PTHREAD_CFLAGS" = "x"; then
+ CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
+ libmono_cflags=
+ else
+ CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
+ libmono_cflags="$PTHREAD_CFLAGS"
+ fi
+ if test "x$PTHREAD_LIBS" = "x"; then
+ LDFLAGS="$LDFLAGS -lpthread"
+ libmono_ldflags="-lpthread"
+ else
+ LDFLAGS="$LDFLAGS $PTHREAD_LIBS"
+ libmono_ldflags="$PTHREAD_LIBS"
+ fi
+ need_link_unlink=yes
+ AC_DEFINE(PTHREAD_POINTER_ID)
+ libdl=
+ libgc_threads=pthreads
+# TLS is only partially implemented on -CURRENT (compiler support
+# but NOT library support)
+#
+ with_nptl=no
+ with_tls=pthread
+ ;;
+ *-*-*openbsd*)