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authorAlin Elena <alinm.elena@gmail.com>2007-10-10 21:47:37 (GMT)
committerAlin Elena <alinm.elena@gmail.com>2007-10-10 21:47:37 (GMT)
commit680cff0b9fdb17758c8334267f5fa4913ae39f43 (patch)
tree9231fa42f26896bab5a72b9ec15a27873dbe4619 /Modules/CheckFortranFunctionExists.cmake
parent8d32d229a3b77f7cb0dd708c6a492fa33797b9f0 (diff)
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ENH: FindBLAS.cmake and FindLAPACK.cmake modules added. They locate various implementations of blas and lapack libraries. CheckFortranFunctionExists.cmake provides a test function to check if the library is usabale. I have also changed the -KPIC flag to -fPIC in Linux-ifort.cmake.
Diffstat (limited to 'Modules/CheckFortranFunctionExists.cmake')
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diff --git a/Modules/CheckFortranFunctionExists.cmake b/Modules/CheckFortranFunctionExists.cmake
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+# - Check if the Fortran function exists.
+# CHECK_FORTRAN_FUNCTION_EXISTS(FUNCTION VARIABLE)
+# - macro which checks if the Fortran function exists
+# FUNCTION - the name of the Fortran function
+# VARIABLE - variable to store the result
+#
+# The following variables may be set before calling this macro to
+# modify the way the check is run:
+#
+# CMAKE_REQUIRED_LIBRARIES = list of libraries to link
+#
+
+macro(CHECK_FORTRAN_FUNCTION_EXISTS FUNCTION VARIABLE)
+ if(NOT DEFINED ${VARIABLE})
+ message(STATUS "Looking for Fortran ${FUNCTION}")
+ if(CMAKE_REQUIRED_LIBRARIES)
+ set(CHECK_FUNCTION_EXISTS_ADD_LIBRARIES
+ "-DLINK_LIBRARIES:STRING=${CMAKE_REQUIRED_LIBRARIES}")
+ else(CMAKE_REQUIRED_LIBRARIES)
+ set(CHECK_FUNCTION_EXISTS_ADD_LIBRARIES)
+ endif(CMAKE_REQUIRED_LIBRARIES)
+ FILE(WRITE
+ ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/testFortranCompiler.f
+ "
+ program TESTFortran
+ external ${FUNCTION}
+ end
+ "
+ )
+ try_compile(${VARIABLE}
+ ${CMAKE_BINARY_DIR}
+ ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/testFortranCompiler.f
+ CMAKE_FLAGS "${CHECK_FUNCTION_EXISTS_ADD_LIBRARIES}"
+ OUTPUT_VARIABLE OUTPUT
+ )
+ if(${VARIABLE})
+ set(${VARIABLE} 1 CACHE INTERNAL "Have Fortran function ${FUNCTION}")
+ message(STATUS "Looking for Fortran ${FUNCTION} - found")
+ file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
+ "Determining if the Fortran ${FUNCTION} exists passed with the following output:\n"
+ "${OUTPUT}\n\n")
+ else(${VARIABLE})
+ message(STATUS "Looking for Fortran ${FUNCTION} - not found")
+ set(${VARIABLE} "" CACHE INTERNAL "Have Fortran function ${FUNCTION}")
+ file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
+ "Determining if the Fortran ${FUNCTION} exists failed with the following output:\n"
+ "${OUTPUT}\n\n")
+ endif(${VARIABLE})
+ endif(NOT DEFINED ${VARIABLE})
+endmacro(CHECK_FORTRAN_FUNCTION_EXISTS)