X-Git-Url: https://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Flink.m4;h=7cc0ceb91c698bbf169f506c89ead995cff97ebb;hb=da8054d48dc22e1c051db54049e005d51a006e69;hp=e0dc7801ef819fde13e75d4a22bc4bfb1f5c2e71;hpb=1602f0afed21be664fcf5c42d59db07cc22c56d6;p=gnulib.git

diff --git a/m4/link.m4 b/m4/link.m4
index e0dc7801e..7cc0ceb91 100644
--- a/m4/link.m4
+++ b/m4/link.m4
@@ -1,5 +1,5 @@
-# link.m4 serial 7
-dnl Copyright (C) 2009-2012 Free Software Foundation, Inc.
+# link.m4 serial 8
+dnl Copyright (C) 2009-2013 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
@@ -7,6 +7,7 @@ dnl with or without modifications, as long as this notice is preserved.
 AC_DEFUN([gl_FUNC_LINK],
 [
   AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
+  AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
   AC_CHECK_FUNCS_ONCE([link])
   if test $ac_cv_func_link = no; then
     HAVE_LINK=0
@@ -36,10 +37,19 @@ AC_DEFUN([gl_FUNC_LINK],
              return result;
            ]])],
          [gl_cv_func_link_works=yes], [gl_cv_func_link_works=no],
-         [gl_cv_func_link_works="guessing no"])
+         [case "$host_os" in
+                    # Guess yes on glibc systems.
+            *-gnu*) gl_cv_func_link_works="guessing yes" ;;
+                    # If we don't know, assume the worst.
+            *)      gl_cv_func_link_works="guessing no" ;;
+          esac
+         ])
        rm -f conftest.a conftest.b conftest.lnk])
-    if test "$gl_cv_func_link_works" != yes; then
-      REPLACE_LINK=1
-    fi
+    case "$gl_cv_func_link_works" in
+      *yes) ;;
+      *)
+        REPLACE_LINK=1
+        ;;
+    esac
   fi
 ])