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PR/54001 CVS commit: src/lib/libpthread

The following reply was made to PR lib/54001; it has been noted by GNATS.

From: "Maya Rashish" <>
Subject: PR/54001 CVS commit: src/lib/libpthread
Date: Tue, 7 May 2019 18:12:54 +0000

 Module Name:	src
 Committed By:	maya
 Date:		Tue May  7 18:12:53 UTC 2019
 Modified Files:
 	src/lib/libpthread: Makefile
 Log Message:
 Replace the link command for libpthread.a so that we create a single section
 with all the libpthread symbols in it.
 This makes -lpthread behave like to -Wl,--whole-archive -lpthread.
 This avoids a situation where threaded static binaries use some libc thread
 stubs, which are racy.
 Fixes PR lib/54001: call_once2_32, call_once2_static test cases failing on
 amd64 since gcc7 import.
 Suggested by Jonathan Wakely, thanks!
 To generate a diff of this commit:
 cvs rdiff -u -r1.92 -r1.93 src/lib/libpthread/Makefile
 Please note that diffs are not public domain; they are subject to the
 copyright notices on the relevant files.

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