[llvm-branch-commits] [llvm] 8f1e0dc - fix some Wundef warnings in public headers

[Jameson Nash via llvm-branch-commits]

Author: Jameson Nash
Date: 2020-11-23T20:17:46-05:00
New Revision: 8f1e0dcbb090243423faa4228ba58ddbae909c70

URL: 
https://github.com/llvm/llvm-project/commit/8f1e0dcbb090243423faa4228ba58ddbae909c70
DIFF: 
https://github.com/llvm/llvm-project/commit/8f1e0dcbb090243423faa4228ba58ddbae909c70.diff

LOG: fix some Wundef warnings in public headers

Differential Revision: https://reviews.llvm.org/D91094

Added: 


Modified: 
llvm/include/llvm/ADT/Statistic.h
llvm/include/llvm/Config/abi-breaking.h.cmake

Removed: 




diff  --git a/llvm/include/llvm/ADT/Statistic.h 
b/llvm/include/llvm/ADT/Statistic.h
index d7aff6c5939a..aa338ccff19a 100644
--- a/llvm/include/llvm/ADT/Statistic.h
+++ b/llvm/include/llvm/ADT/Statistic.h
@@ -36,6 +36,8 @@
 // configure time.
 #if !defined(NDEBUG) || LLVM_FORCE_ENABLE_STATS
 #define LLVM_ENABLE_STATS 1
+#else
+#define LLVM_ENABLE_STATS 0
 #endif
 
 namespace llvm {

diff  --git a/llvm/include/llvm/Config/abi-breaking.h.cmake 
b/llvm/include/llvm/Config/abi-breaking.h.cmake
index a1ffad660770..2d27e02b1d54 100644
--- a/llvm/include/llvm/Config/abi-breaking.h.cmake
+++ b/llvm/include/llvm/Config/abi-breaking.h.cmake
@@ -20,7 +20,7 @@
 
 /* Allow selectively disabling link-time mismatch checking so that header-only
ADT content from LLVM can be used without linking libSupport. */
-#if !LLVM_DISABLE_ABI_BREAKING_CHECKS_ENFORCING
+#if !defined(LLVM_DISABLE_ABI_BREAKING_CHECKS_ENFORCING) || 
!LLVM_DISABLE_ABI_BREAKING_CHECKS_ENFORCING
 
 // ABI_BREAKING_CHECKS protection: provides link-time failure when clients 
build
 // mismatch with LLVM



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[llvm-branch-commits] [llvm] c01fb64 - repair cygwin build

[Jameson Nash via llvm-branch-commits]

Author: Jameson Nash
Date: 2020-12-03T11:49:16-05:00
New Revision: c01fb6449e1794488f6ec6f1c7792c35325022af

URL: 
https://github.com/llvm/llvm-project/commit/c01fb6449e1794488f6ec6f1c7792c35325022af
DIFF: 
https://github.com/llvm/llvm-project/commit/c01fb6449e1794488f6ec6f1c7792c35325022af.diff

LOG: repair cygwin build

This is needed for cross-compiling LLVM from Cygwin, but it had gotten
deleted in rG2724d9e12960cc1d93eeabbfc9aa1ba041cc

Reviewed By: compnerd

Differential Revision: https://reviews.llvm.org/D92336

Added: 


Modified: 
llvm/CMakeLists.txt

Removed: 




diff  --git a/llvm/CMakeLists.txt b/llvm/CMakeLists.txt
index c085f889cc4a..9b5cadeed0c4 100644
--- a/llvm/CMakeLists.txt
+++ b/llvm/CMakeLists.txt
@@ -52,7 +52,13 @@ project(LLVM
 
 set(CMAKE_CXX_STANDARD 14 CACHE STRING "C++ standard to conform to")
 set(CMAKE_CXX_STANDARD_REQUIRED YES)
-set(CMAKE_CXX_EXTENSIONS NO)
+if (CYGWIN)
+  # Cygwin is a bit stricter and lack things like 'strdup', 'stricmp', etc in
+  # c++xx mode.
+  set(CMAKE_CXX_EXTENSIONS YES)
+else()
+  set(CMAKE_CXX_EXTENSIONS NO)
+endif()
 
 if (NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
   message(STATUS "No build type selected, default to Debug")



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