sync boost.m4 macro with upstream

diff --git a/m4/boost.m4 b/m4/boost.m4
index c80e95964c01379e86f45e4b508f631083adca63..7a92981519cdfc82a4876fcbd284d046655a7319 100644 (file)
--- a/m4/boost.m4
+++ b/m4/boost.m4
@@ -110,7 +110,7 @@ AC_LANG_POP([C++])dnl
 # On # success, defines HAVE_BOOST.  On failure, calls the optional
 # ACTION-IF-NOT-FOUND action if one was supplied.
 # Otherwise aborts with an error message.
-AC_DEFUN([BOOST_REQUIRE],
+AC_DEFUN_ONCE([BOOST_REQUIRE],
 [AC_REQUIRE([AC_PROG_CXX])dnl
 AC_REQUIRE([AC_PROG_GREP])dnl
 echo "$as_me: this is boost.m4[]_BOOST_SERIAL" >&AS_MESSAGE_LOG_FD
@@ -574,7 +574,7 @@ BOOST_FIND_LIB([chrono], [$1],
                 [boost/chrono.hpp],
                 [boost::chrono::thread_clock d;])
 if test $enable_static_boost = yes && test $boost_major_version -ge 135; then
-  BOOST_FILESYSTEM_LIBS="$BOOST_FILESYSTEM_LIBS $BOOST_SYSTEM_LIBS"
+  BOOST_CHRONO_LIBS="$BOOST_CHRONO_LIBS $BOOST_SYSTEM_LIBS"
 fi
 LIBS=$boost_filesystem_save_LIBS
 LDFLAGS=$boost_filesystem_save_LDFLAGS
@@ -1067,15 +1067,24 @@ LDFLAGS="$LDFLAGS $BOOST_SYSTEM_LDFLAGS"
 CPPFLAGS="$CPPFLAGS $boost_cv_pthread_flag"
 
 # When compiling for the Windows platform, the threads library is named
-# differently.
-case $host_os in
-  (*mingw*) boost_thread_lib_ext=_win32;;
-esac
+# differently.  This suffix doesn't exist in new versions of Boost, or
+# possibly new versions of GCC on mingw I am assuming it's Boost's change for
+# now and I am setting version to 1.48, for lack of knowledge as to when this
+# change occurred.
+if test $boost_major_version -lt 148; then
+  case $host_os in
+    (*mingw*) boost_thread_lib_ext=_win32;;
+  esac
+fi
 BOOST_FIND_LIBS([thread], [thread$boost_thread_lib_ext],
                 [$1],
                 [boost/thread.hpp], [boost::thread t; boost::mutex m;])
 
-BOOST_THREAD_LIBS="$BOOST_THREAD_LIBS $BOOST_SYSTEM_LIBS $boost_cv_pthread_flag"
+case $host_os in
+  (*mingw*) boost_thread_w32_socket_link=-lws2_32;;
+esac
+
+BOOST_THREAD_LIBS="$BOOST_THREAD_LIBS $BOOST_SYSTEM_LIBS $boost_cv_pthread_flag $boost_thread_w32_socket_link"
 BOOST_THREAD_LDFLAGS="$BOOST_SYSTEM_LDFLAGS"
 BOOST_CPPFLAGS="$BOOST_CPPFLAGS $boost_cv_pthread_flag"
 LIBS=$boost_thread_save_LIBS