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| author | Bill Hoffman <bill.hoffman@kitware.com> | 2003-12-12 14:12:49 (GMT) |
|---|---|---|
| committer | Bill Hoffman <bill.hoffman@kitware.com> | 2003-12-12 14:12:49 (GMT) |
| commit | 89fe29a41a03e63e53197f61584029e987898634 (patch) | |
| tree | d578b7055f18a35f1d36ebbc2e5ceb3fe3ba7385 /Modules/CMakeDetermineCXXCompiler.cmake | |
| parent | 256947ed08cbcbd82bd80fa58630f272c398f6ef (diff) | |
| download | CMake-89fe29a41a03e63e53197f61584029e987898634.zip CMake-89fe29a41a03e63e53197f61584029e987898634.tar.gz CMake-89fe29a41a03e63e53197f61584029e987898634.tar.bz2 | |
ENH: reduce the number of times gnu is tested for
Diffstat (limited to 'Modules/CMakeDetermineCXXCompiler.cmake')
| -rw-r--r-- | Modules/CMakeDetermineCXXCompiler.cmake | 32 |
1 files changed, 17 insertions, 15 deletions
diff --git a/Modules/CMakeDetermineCXXCompiler.cmake b/Modules/CMakeDetermineCXXCompiler.cmake index 4c94184..661f489 100644 --- a/Modules/CMakeDetermineCXXCompiler.cmake +++ b/Modules/CMakeDetermineCXXCompiler.cmake @@ -38,21 +38,23 @@ IF(NOT CMAKE_CXX_COMPILER) ENDIF(NOT CMAKE_CXX_COMPILER) MARK_AS_ADVANCED(CMAKE_CXX_COMPILER) - -# test to see if the cxx compiler is gnu -EXEC_PROGRAM(${CMAKE_CXX_COMPILER} ARGS -E "\"${CMAKE_ROOT}/Modules/CMakeTestGNU.c\"" OUTPUT_VARIABLE CMAKE_COMPILER_OUTPUT RETURN_VALUE CMAKE_COMPILER_RETURN) -IF(NOT CMAKE_COMPILER_RETURN) - IF("${CMAKE_COMPILER_OUTPUT}" MATCHES ".*THIS_IS_GNU.*" ) - SET(CMAKE_COMPILER_IS_GNUCXX 1) - FILE(APPEND ${CMAKE_BINARY_DIR}/CMakeOutput.log - "Determining if the C++ compiler is GNU succeeded with " - "the following output:\n${CMAKE_COMPILER_OUTPUT}\n\n") - ELSE("${CMAKE_COMPILER_OUTPUT}" MATCHES ".*THIS_IS_GNU.*" ) - FILE(APPEND ${CMAKE_BINARY_DIR}/CMakeOutput.log - "Determining if the C++ compiler is GNU failed with " - "the following output:\n${CMAKE_COMPILER_OUTPUT}\n\n") - ENDIF("${CMAKE_COMPILER_OUTPUT}" MATCHES ".*THIS_IS_GNU.*" ) -ENDIF(NOT CMAKE_COMPILER_RETURN) +IF(NOT CMAKE_COMPILER_IS_GNUCXX_RUN) + # test to see if the cxx compiler is gnu + SET(CMAKE_COMPILER_IS_GNUCXX_RUN 1) + EXEC_PROGRAM(${CMAKE_CXX_COMPILER} ARGS -E "\"${CMAKE_ROOT}/Modules/CMakeTestGNU.c\"" OUTPUT_VARIABLE CMAKE_COMPILER_OUTPUT RETURN_VALUE CMAKE_COMPILER_RETURN) + IF(NOT CMAKE_COMPILER_RETURN) + IF("${CMAKE_COMPILER_OUTPUT}" MATCHES ".*THIS_IS_GNU.*" ) + SET(CMAKE_COMPILER_IS_GNUCXX 1) + FILE(APPEND ${CMAKE_BINARY_DIR}/CMakeOutput.log + "Determining if the C++ compiler is GNU succeeded with " + "the following output:\n${CMAKE_COMPILER_OUTPUT}\n\n") + ELSE("${CMAKE_COMPILER_OUTPUT}" MATCHES ".*THIS_IS_GNU.*" ) + FILE(APPEND ${CMAKE_BINARY_DIR}/CMakeOutput.log + "Determining if the C++ compiler is GNU failed with " + "the following output:\n${CMAKE_COMPILER_OUTPUT}\n\n") + ENDIF("${CMAKE_COMPILER_OUTPUT}" MATCHES ".*THIS_IS_GNU.*" ) + ENDIF(NOT CMAKE_COMPILER_RETURN) +ENDIF(NOT CMAKE_COMPILER_IS_GNUCXX_RUN) # configure all variables set in this file CONFIGURE_FILE(${CMAKE_ROOT}/Modules/CMakeCXXCompiler.cmake.in |