#
# This file is part of the GROMACS molecular simulation package.
#
-# Copyright (c) 2012, by the GROMACS development team, led by
-# David van der Spoel, Berk Hess, Erik Lindahl, and including many
-# others, as listed in the AUTHORS file in the top-level source
-# directory and at http://www.gromacs.org.
+# Copyright (c) 2012,2013,2014, by the GROMACS development team, led by
+# Mark Abraham, David van der Spoel, Berk Hess, and Erik Lindahl,
+# and including many others, as listed in the AUTHORS file in the
+# top-level source directory and at http://www.gromacs.org.
#
# GROMACS is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public License
#
# To help us fund GROMACS development, we humbly ask that you cite
# the research papers on the package. Check out http://www.gromacs.org.
-#
+
# - Find FFTW 3
# Find the native FFTW headers and libraries.
#
# ${FFTW}_HAVE_AVX - True if FFTW was built with AVX support
# ${FFTW}_FOUND - True if FFTW was found
# where ${FFTW} is FFTW or FFTWF
-#
-# This file is part of Gromacs Copyright (c) 2012
-
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-
-# To help us fund GROMACS development, we humbly ask that you cite
-# the research papers on the package. Check out http://www.gromacs.org
list(LENGTH FFTW_FIND_COMPONENTS FFTW_NUM_COMPONENTS_WANTED)
if(${FFTW_NUM_COMPONENTS_WANTED} LESS 1)
message(FATAL_ERROR "We do not support finding ${FFTW_FIND_COMPONENTS}, go and implement it ;-)")
endif()
-find_package(PkgConfig)
+find_package(PkgConfig QUIET)
if(NOT __pkg_config_checked_PC_${FFTW} OR NOT ${FFTW}_LIBRARY)
pkg_check_modules(PC_${FFTW} "${${FFTW}_PKG}")
if(NOT PC_${FFTW}_FOUND)
message(STATUS "pkg-config could not detect ${${FFTW}_PKG}, trying generic detection")
endif()
-endif(NOT __pkg_config_checked_PC_${FFTW} OR NOT ${FFTW}_LIBRARY)
+endif()
find_path(${FFTW}_INCLUDE_DIR "fftw3.h" HINTS ${PC_${FFTW}_INCLUDE_DIRS})
find_library(${FFTW}_LIBRARY NAMES "${${FFTW}_PKG}" HINTS ${PC_${FFTW}_LIBRARY_DIRS})
if (${FFTW}_FOUND)
#The user could specify trash in ${FFTW}_LIBRARY, so test if we can link it
include(CheckLibraryExists)
+ include(gmxOptionUtilities)
if (HAVE_LIBM)
#adding MATH_LIBRARIES here to allow static libs, this does not harm us as we are anyway using it
set(CMAKE_REQUIRED_LIBRARIES m)
- endif (HAVE_LIBM)
+ endif ()
+ gmx_check_if_changed(FFTW_LIBRARY_CHANGED ${FFTW}_LIBRARIES)
+ if (FFTW_LIBRARY_CHANGED)
+ unset(FOUND_${FFTW}_PLAN CACHE)
+ endif()
check_library_exists("${${FFTW}_LIBRARIES}" "${${FFTW}_FUNCTION_PREFIX}_plan_r2r_1d" "" FOUND_${FFTW}_PLAN)
if(NOT FOUND_${FFTW}_PLAN)
message(FATAL_ERROR "Could not find ${${FFTW}_FUNCTION_PREFIX}_plan_r2r_1d in ${${FFTW}_LIBRARY}, take a look at the error message in ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log to find out what went wrong. If you are using a static lib (.a) make sure you have specified all dependencies of ${${FFTW}_PKG} in ${FFTW}_LIBRARY by hand (e.g. -D${FFTW}_LIBRARY='/path/to/lib${${FFTW}_PKG}.so;/path/to/libm.so') !")
- endif(NOT FOUND_${FFTW}_PLAN)
+ endif()
# Check for FFTW3 compiled with --enable-avx, which is slower for GROMACS than --enable-sse or --enable-sse2
foreach(AVX_FUNCTION ${${FFTW}_FUNCTION_PREFIX}_have_simd_avx)
+ if (FFTW_LIBRARY_CHANGED)
+ unset(${FFTW}_HAVE_${AVX_FUNCTION} CACHE)
+ endif()
check_library_exists("${${FFTW}_LIBRARIES}" "${AVX_FUNCTION}" "" ${FFTW}_HAVE_${AVX_FUNCTION})
if(${FFTW}_HAVE_${AVX_FUNCTION})
- set(${FFTW}_HAVE_AVX TRUE CACHE BOOL "If ${${FFTW}_PKG} was built with AVX support")
+ set(${FFTW}_HAVE_AVX TRUE)
break()
- endif(${FFTW}_HAVE_${AVX_FUNCTION})
+ endif()
endforeach()
#in 3.3 sse function name has changed
foreach(SIMD_FCT ${${FFTW}_FUNCTION_PREFIX}_have_simd_sse2;${${FFTW}_FUNCTION_PREFIX}_have_simd_avx;${${FFTW}_FUNCTION_PREFIX}_have_simd_altivec;${${FFTW}_FUNCTION_PREFIX}_have_simd_neon;${${FFTW}_FUNCTION_PREFIX}_have_sse2;${${FFTW}_FUNCTION_PREFIX}_have_sse;${${FFTW}_FUNCTION_PREFIX}_have_altivec)
+ if (FFTW_LIBRARY_CHANGED)
+ unset(${FFTW}_HAVE_${SIMD_FCT} CACHE)
+ endif()
check_library_exists("${${FFTW}_LIBRARIES}" "${SIMD_FCT}" "" ${FFTW}_HAVE_${SIMD_FCT})
if(${FFTW}_HAVE_${SIMD_FCT})
- set(${FFTW}_HAVE_SIMD TRUE CACHE BOOL "If ${${FFTW}_PKG} was built with SIMD support")
+ set(${FFTW}_HAVE_SIMD TRUE)
break()
- endif(${FFTW}_HAVE_${SIMD_FCT})
+ endif()
endforeach()
#Verify FFTW is compiled with fPIC (necessary for shared libraries)
- if (CMAKE_OBJDUMP AND CMAKE_SYSTEM_PROCESSOR STREQUAL "x86_64" AND BUILD_SHARED_LIBS)
+ if (CMAKE_OBJDUMP AND CMAKE_SYSTEM_PROCESSOR STREQUAL "x86_64" AND BUILD_SHARED_LIBS AND NOT CYGWIN)
execute_process(COMMAND ${CMAKE_OBJDUMP} --reloc ${${FFTW}_LIBRARY} OUTPUT_VARIABLE ${FFTW}_OBJDUMP)
if (${${FFTW}_OBJDUMP} MATCHES "R_X86_64" #Should always be true for static libraries. Checks that objdump works properly and that the library isn't dynamic
AND NOT ${${FFTW}_OBJDUMP} MATCHES "R_X86_64_PLT32")
message(FATAL_ERROR "The FFTW library ${${FFTW}_LIBRARY} cannot be used with shared libraries. Provide a different FFTW library by setting ${FFTW}_LIBRARY. If you don't have a different one, recompile FFTW with \"--enable-shared\" or \"--with-pic\". Or disable shared libraries for Gromacs by setting BUILD_SHARED_LIBS to \"no\". Note: Disabling shared libraries requires up to 10x as much disk space.")
- endif ()
- endif ()
+ endif()
+ endif()
set(CMAKE_REQUIRED_LIBRARIES)
-endif (${FFTW}_FOUND)
-set(${FFTW}_HAVE_SIMD FALSE CACHE BOOL "If ${${FFTW}_PKG} was built with SIMD support")
+endif ()
-mark_as_advanced(${FFTW}_INCLUDE_DIR ${FFTW}_LIBRARY ${FFTW}_HAVE_SIMD)
+mark_as_advanced(${FFTW}_INCLUDE_DIR ${FFTW}_LIBRARY)
biod.pnpi.spb.ru / alexxy / gromacs.git / blobdiff