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CryptoPkg: Fix possible build problem with Clang 

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=1089

When building CryptoPkg with Clang, blow error may result

* /usr/lib/llvm-3.8/lib/clang/3.8.0/include/stdatomic.h:105:17: error:
    unknown type name 'wchar_t'

Since the C native atomics are C11 feature we can explicitly
use C99 to work around it.
add -std=c99 to avoid it

* openssl/crypto/conf/conf_sap.c:71:12: error: variable 'ret' is
  uninitialized
  when used here [-Werror,-Wuninitialized]

Suppress warnings in OpenSSL so we don't break the build with -Werror.
add -Wno-error=uninitialized to disalbe this warning

Cc: Ting Ye <ting.ye@intel.com>
Cc: Jian J Wang <jian.j.wang@intel.com>
Signed-off-by: Xiaoyu Lu <xiaoyux.lu@intel.com>
Reviewed-by: Jian J Wang <jian.j.wang@intel.com>
This commit is contained in:
XiaoyuX Lu 2019-05-29 18:40:35 +00:00 committed by Jian J Wang
parent 9c3c5c91ce
commit c51f8bae7c
6 changed files with 10 additions and 0 deletions
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2
CryptoPkg/Library/BaseCryptLib/BaseCryptLib.inf
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@ -96,3 +96,5 @@
# -JCryptoPkg/Include : To disable the use of the system includes provided by RVCT
# --diag_remark=1 : Reduce severity of "#1-D: last line of file ends without a newline"
RVCT:*_*_ARM_CC_FLAGS = -JCryptoPkg/Include --diag_remark=1
GCC:*_CLANG38_*_CC_FLAGS = -std=c99

2
CryptoPkg/Library/BaseCryptLib/PeiCryptLib.inf
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@ -93,3 +93,5 @@
# -JCryptoPkg/Include : To disable the use of the system includes provided by RVCT
# --diag_remark=1 : Reduce severity of "#1-D: last line of file ends without a newline"
RVCT:*_*_ARM_CC_FLAGS = -JCryptoPkg/Include --diag_remark=1
GCC:*_CLANG38_*_CC_FLAGS = -std=c99

2
CryptoPkg/Library/BaseCryptLib/RuntimeCryptLib.inf
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@ -101,3 +101,5 @@
# -JCryptoPkg/Include : To disable the use of the system includes provided by RVCT
# --diag_remark=1 : Reduce severity of "#1-D: last line of file ends without a newline"
RVCT:*_*_ARM_CC_FLAGS = -JCryptoPkg/Include --diag_remark=1
GCC:*_CLANG38_*_CC_FLAGS = -std=c99

2
CryptoPkg/Library/BaseCryptLib/SmmCryptLib.inf
View File

@ -98,3 +98,5 @@
MSFT:*_*_*_CC_FLAGS = /wd4090
XCODE:*_*_*_CC_FLAGS = -mmmx -msse
GCC:*_CLANG38_*_CC_FLAGS = -std=c99

1
CryptoPkg/Library/OpensslLib/OpensslLib.inf
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@ -559,6 +559,7 @@
GCC:*_*_X64_CC_FLAGS = -U_WIN32 -U_WIN64 $(OPENSSL_FLAGS) -Wno-error=maybe-uninitialized -Wno-error=format -Wno-format -Wno-error=unused-but-set-variable -DNO_MSABI_VA_FUNCS
GCC:*_*_ARM_CC_FLAGS = $(OPENSSL_FLAGS) -Wno-error=maybe-uninitialized -Wno-error=unused-but-set-variable
GCC:*_*_AARCH64_CC_FLAGS = $(OPENSSL_FLAGS) -Wno-error=maybe-uninitialized -Wno-format -Wno-error=unused-but-set-variable
GCC:*_CLANG38_*_CC_FLAGS = -std=c99 -Wno-error=uninitialized
# suppress the following warnings in openssl so we don't break the build with warnings-as-errors:
# 1295: Deprecated declaration <entity> - give arg types

1
CryptoPkg/Library/OpensslLib/OpensslLibCrypto.inf
View File

@ -520,6 +520,7 @@
GCC:*_*_X64_CC_FLAGS = -U_WIN32 -U_WIN64 $(OPENSSL_FLAGS) -Wno-error=maybe-uninitialized -Wno-error=format -Wno-format -Wno-error=unused-but-set-variable -DNO_MSABI_VA_FUNCS
GCC:*_*_ARM_CC_FLAGS = $(OPENSSL_FLAGS) -Wno-error=maybe-uninitialized -Wno-error=unused-but-set-variable
GCC:*_*_AARCH64_CC_FLAGS = $(OPENSSL_FLAGS) -Wno-error=maybe-uninitialized -Wno-format -Wno-error=unused-but-set-variable
GCC:*_CLANG38_*_CC_FLAGS = -std=c99 -Wno-error=uninitialized
# suppress the following warnings in openssl so we don't break the build with warnings-as-errors:
# 1295: Deprecated declaration <entity> - give arg types