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-rw-r--r--gdbsupport/common.m41
1 files changed, 1 insertions, 0 deletions
diff --git a/gdbsupport/common.m4 b/gdbsupport/common.m4
index 240ec00..bef3964 100644
--- a/gdbsupport/common.m4
+++ b/gdbsupport/common.m4
@@ -114,6 +114,7 @@ AC_DEFUN([GDB_AC_COMMON], [
# endif
#endif /* __MINGW32__ || __CYGWIN__ */
#include <thread>
+ #include <mutex>
void callback() { }]],
[[std::thread t(callback);]])],
gdb_cv_cxx_std_thread=yes,