CryptoPkg/OpensslLib: Suppress extra build warnings in openssl source

(Need further follow-ups as described in
    https://bugzilla.tianocore.org/show_bug.cgi?id=455)

This patch added some extra build options to suppress possible warnings
when building openssl source under GCC48 and VS2010. Including:

Adding "-Wno-error=maybe-uninitialized" to suppress the following GCC48
build warning:
  OpensslLib/openssl/ssl/statem/statem_clnt.c:2543:9: error: "len" may
     be used uninitialized in this function [-Werror=maybe-uninitialized]
       len += pskhdrlen;
           ^

And adding "/wd4306" to suppress the following VS2010 build warning:
  openssl\crypto\asn1\tasn_dec.c(795) : warning C4306: 'type cast' :
               conversion from 'int' to 'ASN1_VALUE *' of greater size

Cc: Ting Ye <ting.ye@intel.com>
Cc: Hao Wu <hao.a.wu@intel.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Qin Long <qin.long@intel.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>

2 files changed, 20 insertions, 10 deletions

diff --git a/CryptoPkg/Library/OpensslLib/OpensslLib.inf b/CryptoPkg/Library/OpensslLib/OpensslLib.inf
index 42f72f4f1f..cbabb34bdd 100644
--- a/CryptoPkg/Library/OpensslLib/OpensslLib.inf
+++ b/CryptoPkg/Library/OpensslLib/OpensslLib.inf
@@ -535,21 +535,26 @@
   #   C4244: conversion from type1 to type2, possible loss of data

   #   C4245: conversion from type1 to type2, signed/unsigned mismatch

   #   C4267: conversion from size_t to type, possible loss of data

+  #   C4306: 'identifier' : conversion from 'type1' to 'type2' of greater size

   #   C4389: 'operator' : signed/unsigned mismatch (xxxx)

   #   C4702: unreachable code

   #   C4706: assignment within conditional expression

   #

   MSFT:*_*_IA32_CC_FLAGS   = -U_WIN32 -U_WIN64 -U_MSC_VER $(OPENSSL_FLAGS) /wd4090 /wd4244 /wd4245 /wd4267 /wd4389 /wd4702 /wd4706

-  MSFT:*_*_X64_CC_FLAGS    = -U_WIN32 -U_WIN64 -U_MSC_VER $(OPENSSL_FLAGS) /wd4090 /wd4244 /wd4245 /wd4267 /wd4389 /wd4702 /wd4706

-  MSFT:*_*_IPF_CC_FLAGS    = -U_WIN32 -U_WIN64 -U_MSC_VER $(OPENSSL_FLAGS) /wd4090 /wd4244 /wd4245 /wd4267 /wd4389 /wd4702 /wd4706

+  MSFT:*_*_X64_CC_FLAGS    = -U_WIN32 -U_WIN64 -U_MSC_VER $(OPENSSL_FLAGS) /wd4090 /wd4244 /wd4245 /wd4267 /wd4306 /wd4389 /wd4702 /wd4706

+  MSFT:*_*_IPF_CC_FLAGS    = -U_WIN32 -U_WIN64 -U_MSC_VER $(OPENSSL_FLAGS) /wd4090 /wd4244 /wd4245 /wd4267 /wd4306 /wd4389 /wd4702 /wd4706

 

   INTEL:*_*_IA32_CC_FLAGS  = -U_WIN32 -U_WIN64 -U_MSC_VER -U__ICC $(OPENSSL_FLAGS) /w

   INTEL:*_*_X64_CC_FLAGS   = -U_WIN32 -U_WIN64 -U_MSC_VER -U__ICC $(OPENSSL_FLAGS) /w

   INTEL:*_*_IPF_CC_FLAGS   = -U_WIN32 -U_WIN64 -U_MSC_VER -U__ICC $(OPENSSL_FLAGS) /w

 

-  GCC:*_*_IA32_CC_FLAGS    = -U_WIN32 -U_WIN64 $(OPENSSL_FLAGS)

-  GCC:*_*_X64_CC_FLAGS     = -U_WIN32 -U_WIN64 $(OPENSSL_FLAGS) -DNO_MSABI_VA_FUNCS

-  GCC:*_*_IPF_CC_FLAGS     = -U_WIN32 -U_WIN64 $(OPENSSL_FLAGS)

+  #

+  # Suppress the following build warnings in openssl so we don't break the build with -Werror

+  #   -Werror=maybe-uninitialized: there exist some other paths for which the variable is not initialized.

+  #

+  GCC:*_*_IA32_CC_FLAGS    = -U_WIN32 -U_WIN64 $(OPENSSL_FLAGS) -Wno-error=maybe-uninitialized

+  GCC:*_*_X64_CC_FLAGS     = -U_WIN32 -U_WIN64 $(OPENSSL_FLAGS) -Wno-error=maybe-uninitialized -DNO_MSABI_VA_FUNCS

+  GCC:*_*_IPF_CC_FLAGS     = -U_WIN32 -U_WIN64 $(OPENSSL_FLAGS) -Wno-error=maybe-uninitialized

   GCC:*_*_ARM_CC_FLAGS     = $(OPENSSL_FLAGS)

   GCC:*_*_AARCH64_CC_FLAGS = $(OPENSSL_FLAGS)

 

diff --git a/CryptoPkg/Library/OpensslLib/OpensslLibCrypto.inf b/CryptoPkg/Library/OpensslLib/OpensslLibCrypto.inf
index cbbb456d70..026b551bca 100644
--- a/CryptoPkg/Library/OpensslLib/OpensslLibCrypto.inf
+++ b/CryptoPkg/Library/OpensslLib/OpensslLibCrypto.inf
@@ -496,21 +496,26 @@
   #   C4244: conversion from type1 to type2, possible loss of data

   #   C4245: conversion from type1 to type2, signed/unsigned mismatch

   #   C4267: conversion from size_t to type, possible loss of data

+  #   C4306: 'identifier' : conversion from 'type1' to 'type2' of greater size

   #   C4389: 'operator' : signed/unsigned mismatch (xxxx)

   #   C4702: unreachable code

   #   C4706: assignment within conditional expression

   #

   MSFT:*_*_IA32_CC_FLAGS   = -U_WIN32 -U_WIN64 -U_MSC_VER $(OPENSSL_FLAGS) /wd4090 /wd4244 /wd4245 /wd4267 /wd4389 /wd4702 /wd4706

-  MSFT:*_*_X64_CC_FLAGS    = -U_WIN32 -U_WIN64 -U_MSC_VER $(OPENSSL_FLAGS) /wd4090 /wd4244 /wd4245 /wd4267 /wd4389 /wd4702 /wd4706

-  MSFT:*_*_IPF_CC_FLAGS    = -U_WIN32 -U_WIN64 -U_MSC_VER $(OPENSSL_FLAGS) /wd4090 /wd4244 /wd4245 /wd4267 /wd4389 /wd4702 /wd4706

+  MSFT:*_*_X64_CC_FLAGS    = -U_WIN32 -U_WIN64 -U_MSC_VER $(OPENSSL_FLAGS) /wd4090 /wd4244 /wd4245 /wd4267 /wd4306 /wd4389 /wd4702 /wd4706

+  MSFT:*_*_IPF_CC_FLAGS    = -U_WIN32 -U_WIN64 -U_MSC_VER $(OPENSSL_FLAGS) /wd4090 /wd4244 /wd4245 /wd4267 /wd4306 /wd4389 /wd4702 /wd4706

 

   INTEL:*_*_IA32_CC_FLAGS  = -U_WIN32 -U_WIN64 -U_MSC_VER -U__ICC $(OPENSSL_FLAGS) /w

   INTEL:*_*_X64_CC_FLAGS   = -U_WIN32 -U_WIN64 -U_MSC_VER -U__ICC $(OPENSSL_FLAGS) /w

   INTEL:*_*_IPF_CC_FLAGS   = -U_WIN32 -U_WIN64 -U_MSC_VER -U__ICC $(OPENSSL_FLAGS) /w

 

-  GCC:*_*_IA32_CC_FLAGS    = -U_WIN32 -U_WIN64 $(OPENSSL_FLAGS)

-  GCC:*_*_X64_CC_FLAGS     = -U_WIN32 -U_WIN64 $(OPENSSL_FLAGS) -DNO_MSABI_VA_FUNCS

-  GCC:*_*_IPF_CC_FLAGS     = -U_WIN32 -U_WIN64 $(OPENSSL_FLAGS)

+  #

+  # Suppress the following build warnings in openssl so we don't break the build with -Werror

+  #   -Werror=maybe-uninitialized: there exist some other paths for which the variable is not initialized.

+  #

+  GCC:*_*_IA32_CC_FLAGS    = -U_WIN32 -U_WIN64 $(OPENSSL_FLAGS) -Wno-error=maybe-uninitialized

+  GCC:*_*_X64_CC_FLAGS     = -U_WIN32 -U_WIN64 $(OPENSSL_FLAGS) -Wno-error=maybe-uninitialized -DNO_MSABI_VA_FUNCS

+  GCC:*_*_IPF_CC_FLAGS     = -U_WIN32 -U_WIN64 $(OPENSSL_FLAGS) -Wno-error=maybe-uninitialized

   GCC:*_*_ARM_CC_FLAGS     = $(OPENSSL_FLAGS)

   GCC:*_*_AARCH64_CC_FLAGS = $(OPENSSL_FLAGS)