[PATCH-for-9.1 v2 1/3] gdbstub: Simplify #ifdef'ry in helpers.h

[Philippe Mathieu-Daudé]

Slightly simplify by checking NEED_CPU_H definition in header.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 include/gdbstub/helpers.h | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/include/gdbstub/helpers.h b/include/gdbstub/helpers.h
index c573aef2dc..53e88d807c 100644
--- a/include/gdbstub/helpers.h
+++ b/include/gdbstub/helpers.h
@@ -12,7 +12,10 @@
 #ifndef _GDBSTUB_HELPERS_H_
 #define _GDBSTUB_HELPERS_H_
 
-#ifdef NEED_CPU_H
+#ifndef NEED_CPU_H
+#error "gdbstub helpers should only be included by target specific code"
+#endif
+
 #include "cpu.h"
 
 /*
@@ -96,8 +99,4 @@ static inline uint8_t *gdb_get_reg_ptr(GByteArray *buf, int 
len)
 #define ldtul_p(addr) ldl_p(addr)
 #endif
 
-#else
-#error "gdbstub helpers should only be included by target specific code"
-#endif
-
 #endif /* _GDBSTUB_HELPERS_H_ */
-- 
2.41.0