compiler: remove stack_allocation_expression

[gcc.git] / gotools / configure.ac

diff --git a/gotools/configure.ac b/gotools/configure.ac
index ddc26fbcbe5ab3ee6770d0fc1c4554476fa74d35..5b0920448e30921f67580c924ae6091f789ea39c 100644 (file)
--- a/gotools/configure.ac
+++ b/gotools/configure.ac
@@ -1,5 +1,5 @@
 # Configure script for gotools.
-#   Copyright 2015 Free Software Foundation, Inc.
+#   Copyright (C) 2015-2016 Free Software Foundation, Inc.
 #
 # This file is free software; you can redistribute it and/or modify it
 # under the terms of the GNU General Public License as published by
@@ -46,7 +46,47 @@ AC_PROG_INSTALL
 AC_PROG_CC
 AC_PROG_GO
 
-AM_CONDITIONAL(NATIVE, test "$cross_compiling" = no)
+# These should be defined by the top-level configure.
+# Copy them into Makefile.
+AC_SUBST(GOC_FOR_TARGET)
+AC_SUBST(GCC_FOR_TARGET)
+
+AM_CONDITIONAL(NATIVE, test "$host_alias" = "$target_alias")
+
+dnl Test for -lsocket and -lnsl.  Copied from libjava/configure.ac.
+AC_CACHE_CHECK([for socket libraries], gotools_cv_lib_sockets,
+  [gotools_cv_lib_sockets=
+   gotools_check_both=no
+   AC_CHECK_FUNC(connect, gotools_check_socket=no, gotools_check_socket=yes)
+   if test "$gotools_check_socket" = "yes"; then
+     unset ac_cv_func_connect
+     AC_CHECK_LIB(socket, main, gotools_cv_lib_sockets="-lsocket",
+                 gotools_check_both=yes)
+   fi
+   if test "$gotools_check_both" = "yes"; then
+     gotools_old_libs=$LIBS
+     LIBS="$LIBS -lsocket -lnsl"
+     unset ac_cv_func_accept
+     AC_CHECK_FUNC(accept,
+                  [gotools_check_nsl=no
+                   gotools_cv_lib_sockets="-lsocket -lnsl"])
+     unset ac_cv_func_accept
+     LIBS=$gotools_old_libs
+   fi
+   unset ac_cv_func_gethostbyname
+   gotools_old_libs="$LIBS"
+   AC_CHECK_FUNC(gethostbyname, ,
+                [AC_CHECK_LIB(nsl, main,
+                       [gotools_cv_lib_sockets="$gotools_cv_lib_sockets -lnsl"])])
+   unset ac_cv_func_gethostbyname
+   LIBS=$gotools_old_libs
+])
+NET_LIBS="$gotools_cv_lib_sockets"
+AC_SUBST(NET_LIBS)
+
+dnl Test if -lrt is required for sched_yield and/or nanosleep.
+AC_SEARCH_LIBS([sched_yield], [rt])
+AC_SEARCH_LIBS([nanosleep], [rt])
 
 AC_CONFIG_FILES(Makefile)