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cxx features: add check for nullptr

This commit is contained in:
Daniel Pfeifer 2016-06-27 23:23:35 +02:00
parent a7a9239096
commit b4b73f56a2
4 changed files with 23 additions and 0 deletions
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1
Source/Checks/cm_cxx_features.cmake
View File

@ -32,6 +32,7 @@ function(cm_check_cxx_feature name)
endfunction()
if(CMAKE_CXX_STANDARD)
cm_check_cxx_feature(nullptr)
cm_check_cxx_feature(override)
cm_check_cxx_feature(unordered_map)
cm_check_cxx_feature(unordered_set)

14
Source/Checks/cm_cxx_nullptr.cxx Normal file
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@ -0,0 +1,14 @@
int test(int)
{
return -1;
}
int test(int*)
{
return 0;
}
int main()
{
return test(nullptr);
}

7
Source/cmConfigure.cmake.h.in
View File

@ -29,12 +29,19 @@
#cmakedefine CMAKE_USE_ELF_PARSER
#cmakedefine CMAKE_USE_MACH_PARSER
#cmakedefine CMAKE_ENCODING_UTF8
#cmakedefine CMake_HAVE_CXX_NULLPTR
#cmakedefine CMake_HAVE_CXX_OVERRIDE
#cmakedefine CMake_HAVE_CXX_UNORDERED_MAP
#cmakedefine CMake_HAVE_CXX_UNORDERED_SET
#define CMAKE_BIN_DIR "/@CMAKE_BIN_DIR@"
#define CMAKE_DATA_DIR "/@CMAKE_DATA_DIR@"
#ifdef CMake_HAVE_CXX_NULLPTR
#define CM_NULLPTR nullptr
#else
#define CM_NULLPTR 0
#endif
#ifdef CMake_HAVE_CXX_OVERRIDE
#define CM_OVERRIDE override
#else

1
bootstrap
View File

@ -1272,6 +1272,7 @@ cmake_report cmConfigure.h${_tmp} "#define CMAKE_BOOTSTRAP_BINARY_DIR \"${CMAKE_
cmake_report cmConfigure.h${_tmp} "#define CMAKE_BIN_DIR \"/bootstrap-not-insalled\""
cmake_report cmConfigure.h${_tmp} "#define CMAKE_DATA_DIR \"/bootstrap-not-insalled\""
cmake_report cmConfigure.h${_tmp} "#define CMAKE_BOOTSTRAP"
cmake_report cmConfigure.h${_tmp} "#define CM_NULLPTR 0"
cmake_report cmConfigure.h${_tmp} "#define CM_OVERRIDE"
# Regenerate configured headers