[binutils-gdb] Skip linker plugin tests if the linker has not been configured to support plugins.

[Nick Clifton <nickc at sourceware dot org>]

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=760f6ee894c5f473777c7ff5ebe5a04b25651ce4

commit 760f6ee894c5f473777c7ff5ebe5a04b25651ce4
Author: Nick Clifton <nickc@redhat.com>
Date:   Mon Jan 18 11:23:44 2016 +0000

    Skip linker plugin tests if the linker has not been configured to support plugins.
    
    	* ld-plugin/plugin.exp: Skip plugin tests if the linker is not
    	configured to support plugins.

Diff:
---
 ld/ChangeLog                      | 5 +++++
 ld/testsuite/ld-plugin/plugin.exp | 6 ++++++
 2 files changed, 11 insertions(+)

diff --git a/ld/ChangeLog b/ld/ChangeLog
index d20c76c..ba6c463 100644
--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@@ -1,3 +1,8 @@
+2016-01-18  Nick Clifton  <nickc@redhat.com>
+
+	* testsuite/ld-plugin/plugin.exp: Skip plugin tests if the linker
+	is not configured to support plugins.
+
 2016-01-17  Alan Modra  <amodra@gmail.com>
 
 	* configure: Regenerate.
diff --git a/ld/testsuite/ld-plugin/plugin.exp b/ld/testsuite/ld-plugin/plugin.exp
index 64f4079..a8b0e4a 100644
--- a/ld/testsuite/ld-plugin/plugin.exp
+++ b/ld/testsuite/ld-plugin/plugin.exp
@@ -39,6 +39,12 @@ global base_dir
 # Look for the name we can dlopen in the test plugin's libtool control script.
 set plugin_name [file_contents "$base_dir/libldtestplug.la"]
 set plugin_name [regsub "'.*" [regsub ".*dlname='" "$plugin_name" ""] ""]
+# Even though the API supports plugins it does not mean that the
+# linker was configured with --enable-plugins.  Check for that here.
+if { $plugin_name == "" } {
+    verbose "The linker is not configured to support plugins"
+    return
+}
 verbose "plugin name is '$plugin_name'"
 
 set plugin2_name [file_contents "$base_dir/libldtestplug2.la"]