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Merge branch 'teach_vtkm_to_workaround_pgi_float128_issues' into 'master'

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Workaround the PGI compiler stating it is gcc when looking for float128.

See merge request !120
This commit is contained in:
Robert Maynard 2015-08-10 14:32:21 -04:00
commit aeabacfc77
1 changed files with 10 additions and 0 deletions
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10
CMake/VTKmCompilerExtras.cmake
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@ -22,6 +22,10 @@ if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
set(CMAKE_COMPILER_IS_CLANGXX 1)
endif()
if(CMAKE_CXX_COMPILER_ID STREQUAL "PGI")
set(CMAKE_COMPILER_IS_PGIXX 1)
endif()
if(CMAKE_COMPILER_IS_GNUCXX OR CMAKE_COMPILER_IS_CLANGXX)
include(CheckCXXCompilerFlag)
@ -52,5 +56,11 @@ if(CMAKE_COMPILER_IS_GNUCXX OR CMAKE_COMPILER_IS_CLANGXX)
set(CMAKE_CXX_FLAGS_DEBUG
"${CMAKE_CXX_FLAGS_DEBUG} ${CMAKE_CXX_FLAGS_WARN_EXTRA}")
endif()
elseif(CMAKE_COMPILER_IS_PGIXX)
#PGI and boost do not play well together when it comes to detected float128
#support. The primary issue is that Boost believes that PGI supports __float128
#because it is reporting itself as GCC, but it actually doesn't.
#our workaround for this is to manually explicitly disable float128
add_definitions("-DBOOST_MATH_DISABLE_FLOAT128=1")
endif()