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-rw-r--r--gdb/rdi-share/host.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/gdb/rdi-share/host.h b/gdb/rdi-share/host.h
index 53b65681b8a..2fdbf5f4541 100644
--- a/gdb/rdi-share/host.h
+++ b/gdb/rdi-share/host.h
@@ -120,7 +120,9 @@ typedef unsigned char unsigned8;
# if defined(_MFC_VER) || defined(__CC_NORCROFT) /* When using MS Visual C/C++ v4.2 */
# define bool _bool /* avoids "'bool' is reserved word" warning */
# else
- typedef _bool bool;
+# ifndef bool
+ typedef _bool bool;
+# endif
# endif
# define true _true
# define false _false