[edk2-devel] [PATCH v2 1/1] BaseTools: Copy PACKED definition from MdePkg Base.h

["gaoliming" <gaoliming@byosoft.com.cn>]

From: gaoliming <gaoliming@byosoft.com.cn>

BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=2938

MdePkg Acpi10.h definition depends on PACKED.
When structure PCD refers to Acpi10.h, build will fail,
because PACKED definition is missing in BaseTools BaseTypes.h.

C source tools include BaseTools BaseTypes.h. They don't include MdePkg Base.h. 
When C source tools include MdePkg Acpi10.h, they also need PACKED definition. 
So, add PACKED definition into BaseTools BaseTypes.h.

Cc: Bob Feng <bob.c.feng@intel.com>
Cc: Yuwei Chen <yuwei.chen@intel.com>
Cc: Michael Kinney <michael.d.kinney@intel.com>
Signed-off-by: Liming Gao <gaoliming@byosoft.com.cn>
---
 V2: update the commit message.
 BaseTools/Source/C/Include/Common/BaseTypes.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/BaseTools/Source/C/Include/Common/BaseTypes.h b/BaseTools/Source/C/Include/Common/BaseTypes.h
index 31d0662085a8..150980b4c0bf 100644
--- a/BaseTools/Source/C/Include/Common/BaseTypes.h
+++ b/BaseTools/Source/C/Include/Common/BaseTypes.h
@@ -57,6 +57,16 @@
 #define NULL  ((VOID *) 0)
 #endif
 
+#ifdef __CC_ARM
+  //
+  // Older RVCT ARM compilers don't fully support #pragma pack and require __packed
+  // as a prefix for the structure.
+  //
+  #define PACKED  __packed
+#else
+  #define PACKED
+#endif
+
 //
 //  Support for variable length argument lists using the ANSI standard.
 //
-- 
2.27.0.windows.1




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