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-rw-r--r--tool/m4/ruby_thread.m49
1 files changed, 9 insertions, 0 deletions
diff --git a/tool/m4/ruby_thread.m4 b/tool/m4/ruby_thread.m4
index 92d80421f1..6f1e3960b1 100644
--- a/tool/m4/ruby_thread.m4
+++ b/tool/m4/ruby_thread.m4
@@ -16,4 +16,13 @@ AS_CASE(["$THREAD_MODEL"],
[win32], [],
[""], [AC_MSG_ERROR(thread model is missing)],
[AC_MSG_ERROR(unknown thread model $THREAD_MODEL)])
+
+THREAD_IMPL_H=thread_$THREAD_MODEL.h
+AS_IF([test ! -f "$srcdir/$THREAD_IMPL_H"],
+ [AC_MSG_ERROR('$srcdir/$THREAD_IMPL_H' must exist)])
+THREAD_IMPL_SRC=thread_$THREAD_MODEL.c
+AS_IF([test ! -f "$srcdir/$THREAD_IMPL_SRC"],
+ [AC_MSG_ERROR('$srcdir/$THREAD_IMPL_SRC' must exist)])
+AC_DEFINE_UNQUOTED(THREAD_IMPL_H, ["$THREAD_IMPL_H"])
+AC_DEFINE_UNQUOTED(THREAD_IMPL_SRC, ["$THREAD_IMPL_SRC"])
])dnl