Squashed 'third_party/eigen/' content from commit 61d72f6
Change-Id: Iccc90fa0b55ab44037f018046d2fcffd90d9d025
git-subtree-dir: third_party/eigen
git-subtree-split: 61d72f6383cfa842868c53e30e087b0258177257
diff --git a/cmake/EigenConfigureTesting.cmake b/cmake/EigenConfigureTesting.cmake
new file mode 100644
index 0000000..11ecc95
--- /dev/null
+++ b/cmake/EigenConfigureTesting.cmake
@@ -0,0 +1,81 @@
+include(EigenTesting)
+include(CheckCXXSourceCompiles)
+
+# configure the "site" and "buildname"
+ei_set_sitename()
+
+# retrieve and store the build string
+ei_set_build_string()
+
+add_custom_target(buildtests)
+add_custom_target(check COMMAND "ctest")
+add_dependencies(check buildtests)
+
+# check whether /bin/bash exists
+find_file(EIGEN_BIN_BASH_EXISTS "/bin/bash" PATHS "/" NO_DEFAULT_PATH)
+
+# CMake/Ctest does not allow us to change the build command,
+# so we have to workaround by directly editing the generated DartConfiguration.tcl file
+# save CMAKE_MAKE_PROGRAM
+set(CMAKE_MAKE_PROGRAM_SAVE ${CMAKE_MAKE_PROGRAM})
+# and set a fake one
+set(CMAKE_MAKE_PROGRAM "@EIGEN_MAKECOMMAND_PLACEHOLDER@")
+
+# This call activates testing and generates the DartConfiguration.tcl
+include(CTest)
+
+set(EIGEN_TEST_BUILD_FLAGS " " CACHE STRING "Options passed to the build command of unit tests")
+
+# overwrite default DartConfiguration.tcl
+# The worarounds are different for each version of the MSVC IDE
+if(MSVC_IDE)
+ if(CMAKE_MAKE_PROGRAM_SAVE MATCHES "devenv") # devenv
+ set(EIGEN_MAKECOMMAND_PLACEHOLDER "${CMAKE_MAKE_PROGRAM_SAVE} Eigen.sln /build \"Release\" /project buildtests ${EIGEN_TEST_BUILD_FLAGS} \n# ")
+ else() # msbuild
+ set(EIGEN_MAKECOMMAND_PLACEHOLDER "${CMAKE_MAKE_PROGRAM_SAVE} buildtests.vcxproj /p:Configuration=\${CTEST_CONFIGURATION_TYPE} ${EIGEN_TEST_BUILD_FLAGS}\n# ")
+ endif()
+else()
+ # for make and nmake
+ set(EIGEN_MAKECOMMAND_PLACEHOLDER "${CMAKE_MAKE_PROGRAM_SAVE} buildtests ${EIGEN_TEST_BUILD_FLAGS}")
+endif()
+
+# copy ctest properties, which currently
+# o raise the warning levels
+configure_file(${CMAKE_CURRENT_BINARY_DIR}/DartConfiguration.tcl ${CMAKE_BINARY_DIR}/DartConfiguration.tcl)
+
+# restore default CMAKE_MAKE_PROGRAM
+set(CMAKE_MAKE_PROGRAM ${CMAKE_MAKE_PROGRAM_SAVE})
+# un-set temporary variables so that it is like they never existed.
+# CMake 2.6.3 introduces the more logical unset() syntax for this.
+set(CMAKE_MAKE_PROGRAM_SAVE)
+set(EIGEN_MAKECOMMAND_PLACEHOLDER)
+
+configure_file(${CMAKE_CURRENT_SOURCE_DIR}/CTestCustom.cmake.in ${CMAKE_BINARY_DIR}/CTestCustom.cmake)
+
+# some documentation of this function would be nice
+ei_init_testing()
+
+# configure Eigen related testing options
+option(EIGEN_NO_ASSERTION_CHECKING "Disable checking of assertions using exceptions" OFF)
+option(EIGEN_DEBUG_ASSERTS "Enable advanced debuging of assertions" OFF)
+
+if(CMAKE_COMPILER_IS_GNUCXX)
+ option(EIGEN_COVERAGE_TESTING "Enable/disable gcov" OFF)
+ if(EIGEN_COVERAGE_TESTING)
+ set(COVERAGE_FLAGS "-fprofile-arcs -ftest-coverage")
+ set(CTEST_CUSTOM_COVERAGE_EXCLUDE "/test/")
+ else(EIGEN_COVERAGE_TESTING)
+ set(COVERAGE_FLAGS "")
+ endif(EIGEN_COVERAGE_TESTING)
+ if(EIGEN_TEST_C++0x)
+ set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=gnu++0x")
+ endif(EIGEN_TEST_C++0x)
+ if(CMAKE_SYSTEM_NAME MATCHES Linux)
+ set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${COVERAGE_FLAGS} -g2")
+ set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO} ${COVERAGE_FLAGS} -O2 -g2")
+ set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} ${COVERAGE_FLAGS} -fno-inline-functions")
+ set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} ${COVERAGE_FLAGS} -O0 -g3")
+ endif(CMAKE_SYSTEM_NAME MATCHES Linux)
+elseif(MSVC)
+ set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /D_CRT_SECURE_NO_WARNINGS /D_SCL_SECURE_NO_WARNINGS")
+endif(CMAKE_COMPILER_IS_GNUCXX)