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add option to build in 32bit mode

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This commit is contained in:
Benoit Jacob 2011-02-27 17:27:23 -05:00
parent b3544ce2ae
commit b6299c974f
1 changed files with 10 additions and 0 deletions
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10
CMakeLists.txt
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@ -207,6 +207,7 @@ endif(MSVC)
option(EIGEN_TEST_NO_EXPLICIT_VECTORIZATION "Disable explicit vectorization in tests/examples" OFF)
option(EIGEN_TEST_X87 "Force using X87 instructions. Implies no vectorization." OFF)
option(EIGEN_TEST_32BIT "Force generating 32bit code." OFF)
if(EIGEN_TEST_X87)
set(EIGEN_TEST_NO_EXPLICIT_VECTORIZATION ON)
@ -218,6 +219,15 @@ if(EIGEN_TEST_X87)
endif()
endif()
if(EIGEN_TEST_32BIT)
if(CMAKE_COMPILER_IS_GNUCXX)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -m32")
message(STATUS "Forcing generation of 32-bit code in tests/examples")
else()
message(STATUS "EIGEN_TEST_32BIT ignored on your compiler")
endif()
endif()
if(EIGEN_TEST_NO_EXPLICIT_VECTORIZATION)
add_definitions(-DEIGEN_DONT_VECTORIZE=1)
message(STATUS "Disabling vectorization in tests/examples")