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clang-cl: Map /wd4996 to -Wno-deprecated-declarations 

This is typically used to suppress warnings about calling snprintf and
other "deprecated" POSIX functions. Accepting this flag helps avoid tons
of useless warnings when trying out clang-cl on a new project.

Patch by Scott Graham!

llvm-svn: 229583
This commit is contained in:
Reid Kleckner 2015-02-17 23:28:19 +00:00
parent 44bf1c9c53
commit 469b6bce61
2 changed files with 6 additions and 3 deletions
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2
clang/include/clang/Driver/CLCompatOptions.td
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@ -130,6 +130,8 @@ def _SLASH_WX_ : CLFlag<"WX-">, HelpText<"Do not treat warnings as errors">,
def _SLASH_w_flag : CLFlag<"w">, HelpText<"Disable all warnings">, Alias<w>;
def _SLASH_wd4005 : CLFlag<"wd4005">, Alias<W_Joined>,
AliasArgs<["no-macro-redefined"]>;
def _SLASH_wd4996 : CLFlag<"wd4996">, Alias<W_Joined>,
AliasArgs<["no-deprecated-declarations"]>;
def _SLASH_vd : CLJoined<"vd">, HelpText<"Control vtordisp placement">,
Alias<vtordisp_mode_EQ>;
def _SLASH_Zc_strictStrings : CLFlag<"Zc:strictStrings">,

7
clang/test/Driver/cl-options.c
View File

@ -177,9 +177,10 @@
// NOSTRICT: "-relaxed-aliasing"
// For some warning ids, we can map from MSVC warning to Clang warning.
// RUN: %clang_cl -wd4005 -### -- %s 2>&1 | FileCheck -check-prefix=wd4005 %s
// wd4005: "-cc1"
// wd4005: "-Wno-macro-redefined"
// RUN: %clang_cl -wd4005 -wd4996 -### -- %s 2>&1 | FileCheck -check-prefix=Wno %s
// Wno: "-cc1"
// Wno: "-Wno-macro-redefined"
// Wno: "-Wno-deprecated-declarations"
// Ignored options. Check that we don't get "unused during compilation" errors.
// (/Zs is for syntax-only)