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-rw-r--r--Modules/CMakeTestCXXCompiler.cmake80
1 files changed, 80 insertions, 0 deletions
diff --git a/Modules/CMakeTestCXXCompiler.cmake b/Modules/CMakeTestCXXCompiler.cmake
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+++ b/Modules/CMakeTestCXXCompiler.cmake
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+
+#=============================================================================
+# Copyright 2003-2009 Kitware, Inc.
+#
+# Distributed under the OSI-approved BSD License (the "License");
+# see accompanying file Copyright.txt for details.
+#
+# This software is distributed WITHOUT ANY WARRANTY; without even the
+# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+# See the License for more information.
+#=============================================================================
+# (To distribute this file outside of CMake, substitute the full
+# License text for the above reference.)
+
+INCLUDE(CMakeTestCompilerCommon)
+
+# This file is used by EnableLanguage in cmGlobalGenerator to
+# determine that that selected C++ compiler can actually compile
+# and link the most basic of programs. If not, a fatal error
+# is set and cmake stops processing commands and will not generate
+# any makefiles or projects.
+IF(NOT CMAKE_CXX_COMPILER_WORKS)
+ PrintTestCompilerStatus("CXX" "")
+ FILE(WRITE ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/testCXXCompiler.cxx
+ "#ifndef __cplusplus\n"
+ "# error \"The CMAKE_CXX_COMPILER is set to a C compiler\"\n"
+ "#endif\n"
+ "int main(){return 0;}\n")
+ TRY_COMPILE(CMAKE_CXX_COMPILER_WORKS ${CMAKE_BINARY_DIR}
+ ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/testCXXCompiler.cxx
+ OUTPUT_VARIABLE __CMAKE_CXX_COMPILER_OUTPUT)
+ SET(CXX_TEST_WAS_RUN 1)
+ENDIF(NOT CMAKE_CXX_COMPILER_WORKS)
+
+IF(NOT CMAKE_CXX_COMPILER_WORKS)
+ PrintTestCompilerStatus("CXX" " -- broken")
+ # if the compiler is broken make sure to remove the platform file
+ # since Windows-cl configures both c/cxx files both need to be removed
+ # when c or c++ fails
+ FILE(REMOVE ${CMAKE_PLATFORM_ROOT_BIN}/CMakeCPlatform.cmake )
+ FILE(REMOVE ${CMAKE_PLATFORM_ROOT_BIN}/CMakeCXXPlatform.cmake )
+ FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
+ "Determining if the CXX compiler works failed with "
+ "the following output:\n${__CMAKE_CXX_COMPILER_OUTPUT}\n\n")
+ MESSAGE(FATAL_ERROR "The C++ compiler \"${CMAKE_CXX_COMPILER}\" "
+ "is not able to compile a simple test program.\nIt fails "
+ "with the following output:\n ${__CMAKE_CXX_COMPILER_OUTPUT}\n\n"
+ "CMake will not be able to correctly generate this project.")
+ELSE(NOT CMAKE_CXX_COMPILER_WORKS)
+ IF(CXX_TEST_WAS_RUN)
+ PrintTestCompilerStatus("CXX" " -- works")
+ FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
+ "Determining if the CXX compiler works passed with "
+ "the following output:\n${__CMAKE_CXX_COMPILER_OUTPUT}\n\n")
+ ENDIF(CXX_TEST_WAS_RUN)
+ SET(CMAKE_CXX_COMPILER_WORKS 1 CACHE INTERNAL "")
+
+ IF(CMAKE_CXX_COMPILER_FORCED)
+ # The compiler configuration was forced by the user.
+ # Assume the user has configured all compiler information.
+ ELSE(CMAKE_CXX_COMPILER_FORCED)
+ # Try to identify the ABI and configure it into CMakeCXXCompiler.cmake
+ INCLUDE(${CMAKE_ROOT}/Modules/CMakeDetermineCompilerABI.cmake)
+ CMAKE_DETERMINE_COMPILER_ABI(CXX ${CMAKE_ROOT}/Modules/CMakeCXXCompilerABI.cpp)
+ CONFIGURE_FILE(
+ ${CMAKE_ROOT}/Modules/CMakeCXXCompiler.cmake.in
+ ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeCXXCompiler.cmake
+ @ONLY IMMEDIATE # IMMEDIATE must be here for compatibility mode <= 2.0
+ )
+ INCLUDE(${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeCXXCompiler.cmake)
+ ENDIF(CMAKE_CXX_COMPILER_FORCED)
+ IF(CMAKE_CXX_SIZEOF_DATA_PTR)
+ FOREACH(f ${CMAKE_CXX_ABI_FILES})
+ INCLUDE(${f})
+ ENDFOREACH()
+ UNSET(CMAKE_CXX_ABI_FILES)
+ ENDIF()
+ENDIF(NOT CMAKE_CXX_COMPILER_WORKS)
+
+UNSET(__CMAKE_CXX_COMPILER_OUTPUT)