[edk2-devel] [PATCH v2 1/2] MdePkg/BaseLib: Add _fltused to feed MSVC compiler
Guomin Jiang
guomin.jiang at intel.com
Thu Apr 23 03:07:50 UTC 2020
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2596
Out of edk2 may need _fltused symbol such as mu_plus
OnScreenKeyboard and UiToolKit. those driver will define the symbol to
feed MSVC, but it will conflict with CryptoPkg. so move the symbol to
BaseLib.
Signed-off-by: Guomin Jiang <guomin.jiang at intel.com>
Cc: Michael D Kinney <michael.d.kinney at intel.com>
Cc: Liming Gao <liming.gao at intel.com>
---
MdePkg/Library/BaseLib/BaseLib.inf | 3 ++-
MdePkg/Library/BaseLib/FltUsed.c | 14 ++++++++++++++
2 files changed, 16 insertions(+), 1 deletion(-)
create mode 100644 MdePkg/Library/BaseLib/FltUsed.c
diff --git a/MdePkg/Library/BaseLib/BaseLib.inf b/MdePkg/Library/BaseLib/BaseLib.inf
index 3586beb0ab..bab31c07c7 100644
--- a/MdePkg/Library/BaseLib/BaseLib.inf
+++ b/MdePkg/Library/BaseLib/BaseLib.inf
@@ -1,7 +1,7 @@
## @file
# Base Library implementation.
#
-# Copyright (c) 2007 - 2019, Intel Corporation. All rights reserved.<BR>
+# Copyright (c) 2007 - 2020, Intel Corporation. All rights reserved.<BR>
# Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
# Portions copyright (c) 2011 - 2013, ARM Ltd. All rights reserved.<BR>
#
@@ -60,6 +60,7 @@
String.c
FilePaths.c
BaseLibInternals.h
+ FltUsed.c | MSFT
[Sources.Ia32]
Ia32/WriteTr.nasm
diff --git a/MdePkg/Library/BaseLib/FltUsed.c b/MdePkg/Library/BaseLib/FltUsed.c
new file mode 100644
index 0000000000..c065594266
--- /dev/null
+++ b/MdePkg/Library/BaseLib/FltUsed.c
@@ -0,0 +1,14 @@
+/** @file
+ Declare _fltused symbol for MSVC
+
+ MSVC need this symbol for float, andd it here to feed MSVC. it may remove
+ if MSVC not need it any more.
+
+ Copyright (c) 2020 - 2020, Intel Corporation. All rights reserved.<BR>
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+//
+// Just for MSVC float
+//
+int _fltused = 0x1;
--
2.25.1.windows.1
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