[PATCH] D21553: Do not require __STDC_LIMIT_MACROS and others
Paweł Bylica via llvm-commits
llvm-commits at lists.llvm.org
Tue Jun 21 05:08:50 PDT 2016
chfast created this revision.
chfast added a subscriber: llvm-commits.
Do not require __STDC_LIMIT_MACROS and __STDC_CONSTANT_MACROS macros to be defined globally. They are not needed for C++11 compliant standard headers.
http://reviews.llvm.org/D21553
Files:
cmake/modules/HandleLLVMOptions.cmake
include/llvm/Support/DataTypes.h.cmake
utils/vim/vimrc
Index: utils/vim/vimrc
===================================================================
--- utils/vim/vimrc
+++ utils/vim/vimrc
@@ -108,7 +108,6 @@
" include paths, predefined macros, and language options.
let g:clang_opts = [
\ "-x","c++",
- \ "-D__STDC_LIMIT_MACROS=1","-D__STDC_CONSTANT_MACROS=1",
\ "-Iinclude" ]
function! ClangComplete(findstart, base)
Index: include/llvm/Support/DataTypes.h.cmake
===================================================================
--- include/llvm/Support/DataTypes.h.cmake
+++ include/llvm/Support/DataTypes.h.cmake
@@ -55,17 +55,14 @@
#ifndef _MSC_VER
-/* Note that this header's correct operation depends on __STDC_LIMIT_MACROS
- being defined. We would define it here, but in order to prevent Bad Things
- happening when system headers or C++ STL headers include stdint.h before we
- define it here, we define it on the g++ command line (in Makefile.rules). */
-#if !defined(__STDC_LIMIT_MACROS)
-# error "Must #define __STDC_LIMIT_MACROS before #including Support/DataTypes.h"
+#if !defined(UINT32_MAX)
+# error "The standard header <cstdint> is not C++11 compliant. Must #define "\
+ "__STDC_LIMIT_MACROS before #including Support/DataTypes.h"
#endif
-#if !defined(__STDC_CONSTANT_MACROS)
-# error "Must #define __STDC_CONSTANT_MACROS before " \
- "#including Support/DataTypes.h"
+#if !defined(UINT32_C)
+# error "The standard header <cstdint> is not C++11 compliant. Must #define "\
+ "__STDC_CONSTANT_MACROS before #including Support/DataTypes.h"
#endif
/* Note that <inttypes.h> includes <stdint.h>, if this is a C99 system. */
Index: cmake/modules/HandleLLVMOptions.cmake
===================================================================
--- cmake/modules/HandleLLVMOptions.cmake
+++ cmake/modules/HandleLLVMOptions.cmake
@@ -552,10 +552,6 @@
add_definitions("-gsplit-dwarf")
endif()
-add_llvm_definitions( -D__STDC_CONSTANT_MACROS )
-add_llvm_definitions( -D__STDC_FORMAT_MACROS )
-add_llvm_definitions( -D__STDC_LIMIT_MACROS )
-
# clang doesn't print colored diagnostics when invoked from Ninja
if (UNIX AND
CMAKE_CXX_COMPILER_ID MATCHES "Clang" AND
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