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-rw-r--r--unix/tcl.m43
1 files changed, 0 insertions, 3 deletions
diff --git a/unix/tcl.m4 b/unix/tcl.m4
index ce01ee8..1355017 100644
--- a/unix/tcl.m4
+++ b/unix/tcl.m4
@@ -2258,9 +2258,6 @@ AC_DEFUN([SC_TCL_LINK_LIBS], [
LIBS="$LIBS $THREADS_LIBS"
AC_CHECK_FUNCS(pthread_attr_setstacksize pthread_atfork)
LIBS=$ac_saved_libs
-
- # TIP #509
- AC_CHECK_DECLS([PTHREAD_MUTEX_RECURSIVE],tcl_ok=yes,tcl_ok=no, [[#include <pthread.h>]])
])
#--------------------------------------------------------------------