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-rw-r--r--gcc/fixinc/server.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/fixinc/server.c b/gcc/fixinc/server.c
index e803e0a29ce..4af40e5eb96 100644
--- a/gcc/fixinc/server.c
+++ b/gcc/fixinc/server.c
@@ -86,6 +86,10 @@
#define NUL '\0'
#endif
+#if !defined(volatile) && !defined(HAVE_VOLATILE)
+# define volatile
+#endif
+
STATIC volatile bool read_pipe_timeout;
static t_pchar def_args[] =