Check for presence of compiler -pthread flag.

OpenBSD / FreeBSD and some other OS's require the use of
cc -pthread to link threaded programs so have QEMU's
configure script check for the presence of the flag
and use it if so.

Signed-off-by: Brad Smith <brad@comstyle.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>

diff --git a/configure b/configure
index 605b51d1427718af6908c2cd6632eccde8d5d60d..85c7aaefdfad97a0e82086b42742a80155a247b7 100755 (executable)
--- a/configure
+++ b/configure
@@ -1849,7 +1849,7 @@ fi
 
 ##########################################
 # pthread probe
-PTHREADLIBS_LIST="-lpthread -lpthreadGC2"
+PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2"
 
 pthread=no
 cat > $TMPC << EOF