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Re: [RFC] Fix libstdc++ test fails with emutls


On 11/01/2010 03:48 PM, Jakub Jelinek wrote:
On Mon, Nov 01, 2010 at 01:45:58PM +0800, Jie Zhang wrote:
mutex:704: undefined reference to `__emutls_v._ZSt15__once_callable'

This patch should fix this error by exporting such like symbols.

Is this patch OK?

You shouldn't be exporting symbols that weren't (even by mistake) exported earlier in older symbol versions, always add new symbols to the latest version (GLIBCXX_3.4.15 right now).

Thanks for your review! How about this? I moved them to GLIBCXX_3.4.15 and added a comment.



Regards, -- Jie Zhang CodeSourcery
	* config/abi/pre/gnu.ver: Export __emutls_v._ZSt11__once_call
	and __emutls_v._ZSt15__once_callable.

Index: config/abi/pre/gnu.ver
===================================================================
--- config/abi/pre/gnu.ver	(revision 166125)
+++ config/abi/pre/gnu.ver	(working copy)
@@ -1187,6 +1187,10 @@
     # basic_filebuf::_M_get_ext_pos
     _ZNSt13basic_filebufI[cw]St11char_traitsI[cw]EE14_M_get_ext_pos*;
 
+    # targets using emutls
+    __emutls_v._ZSt11__once_call;
+    __emutls_v._ZSt15__once_callable;
+
 } GLIBCXX_3.4.14;
 
 # Symbols in the support library (libsupc++) have their own tag.

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