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improve FindFFTW cmake module

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This commit is contained in:
Gael Guennebaud 2012-03-15 15:18:22 +01:00
parent 30dee7d235
commit b0fd94aa85
2 changed files with 112 additions and 22 deletions
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130
cmake/FindFFTW.cmake
View File

@ -1,31 +1,119 @@
# - Find the FFTW library
#
# Usage:
# find_package(FFTW [REQUIRED] [QUIET] )
#
# It sets the following variables:
# FFTW_FOUND ... true if fftw is found on the system
# FFTW_LIBRARIES ... full path to fftw library
# FFTW_INCLUDES ... fftw include directory
#
# The following variables will be checked by the function
# FFTW_USE_STATIC_LIBS ... if true, only static libraries are found
# FFTW_ROOT ... if set, the libraries are exclusively searched
# under this path
# FFTW_LIBRARY ... fftw library to use
# FFTW_INCLUDE_DIR ... fftw include directory
#
if (FFTW_INCLUDES AND FFTW_LIBRARIES)
set(FFTW_FIND_QUIETLY TRUE)
endif (FFTW_INCLUDES AND FFTW_LIBRARIES)
find_path(FFTW_INCLUDES
NAMES
fftw3.h
PATHS
$ENV{FFTWDIR}
${INCLUDE_INSTALL_DIR}
)
find_library(FFTWF_LIB NAMES fftw3f PATHS $ENV{FFTWDIR} ${LIB_INSTALL_DIR})
find_library(FFTW_LIB NAMES fftw3 PATHS $ENV{FFTWDIR} ${LIB_INSTALL_DIR})
set(FFTW_LIBRARIES ${FFTWF_LIB} ${FFTW_LIB} )
find_library(FFTWL_LIB NAMES fftw3l PATHS $ENV{FFTWDIR} ${LIB_INSTALL_DIR})
if(FFTWL_LIB)
set(FFTW_LIBRARIES ${FFTW_LIBRARIES} ${FFTWL_LIB})
#If environment variable FFTWDIR is specified, it has same effect as FFTW_ROOT
if( NOT FFTW_ROOT AND ENV{FFTWDIR} )
set( FFTW_ROOT $ENV{FFTWDIR} )
endif()
# Check if we can use PkgConfig
find_package(PkgConfig)
message(STATUS "FFTW ${FFTW_LIBRARIES}" )
#Determine from PKG
if( PKG_CONFIG_FOUND AND NOT FFTW_ROOT )
pkg_check_modules( PKG_FFTW QUIET "fftw3" )
endif()
#Check whether to search static or dynamic libs
set( CMAKE_FIND_LIBRARY_SUFFIXES_SAV ${CMAKE_FIND_LIBRARY_SUFFIXES} )
if( ${FFTW_USE_STATIC_LIBS} )
set( CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_STATIC_LIBRARY_SUFFIX} )
else()
set( CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_SHARED_LIBRARY_SUFFIX} )
endif()
if( FFTW_ROOT )
#find libs
find_library(
FFTW_LIB
NAMES "fftw3"
PATHS ${FFTW_ROOT}
PATH_SUFFIXES "lib" "lib64"
NO_DEFAULT_PATH
)
find_library(
FFTWF_LIB
NAMES "fftw3f"
PATHS ${FFTW_ROOT}
PATH_SUFFIXES "lib" "lib64"
NO_DEFAULT_PATH
)
find_library(
FFTWL_LIB
NAMES "fftw3l"
PATHS ${FFTW_ROOT}
PATH_SUFFIXES "lib" "lib64"
NO_DEFAULT_PATH
)
#find includes
find_path(
FFTW_INCLUDES
NAMES "fftw3.h"
PATHS ${FFTW_ROOT}
PATH_SUFFIXES "include"
NO_DEFAULT_PATH
)
else()
find_library(
FFTW_LIB
NAMES "fftw3"
PATHS ${PKG_FFTW_LIBRARY_DIRS} ${LIB_INSTALL_DIR}
)
find_library(
FFTWF_LIB
NAMES "fftw3f"
PATHS ${PKG_FFTW_LIBRARY_DIRS} ${LIB_INSTALL_DIR}
)
find_library(
FFTWL_LIB
NAMES "fftw3l"
PATHS ${PKG_FFTW_LIBRARY_DIRS} ${LIB_INSTALL_DIR}
)
find_path(
FFTW_INCLUDES
NAMES "fftw3.h"
PATHS ${PKG_FFTW_INCLUDE_DIRS} ${INCLUDE_INSTALL_DIR}
)
endif( FFTW_ROOT )
set(FFTW_LIBRARIES ${FFTW_LIB} ${FFTWF_LIB})
if(FFTWL_LIB)
set(FFTW_LIBRARIES ${FFTW_LIBRARIES} ${FFTWL_LIB})
endif()
set( CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_FIND_LIBRARY_SUFFIXES_SAV} )
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(FFTW DEFAULT_MSG
FFTW_INCLUDES FFTW_LIBRARIES)
mark_as_advanced(FFTW_INCLUDES FFTW_LIBRARIES)

4
unsupported/test/CMakeLists.txt
View File

@ -53,10 +53,11 @@ ei_add_test(sparse_extra "" "")
find_package(FFTW)
if(FFTW_FOUND)
ei_add_property(EIGEN_TESTED_BACKENDS "fftw, ")
include_directories( ${FFTW_INCLUDES} )
if(FFTWL_LIB)
ei_add_test(FFTW "-DEIGEN_FFTW_DEFAULT -DEIGEN_HAS_FFTWL" "${FFTW_LIBRARIES}" )
else()
ei_add_test(FFTW "-DEIGEN_FFTW_DEFAULT " "${FFTW_LIBRARIES}" )
ei_add_test(FFTW "-DEIGEN_FFTW_DEFAULT" "${FFTW_LIBRARIES}" )
endif()
else()
ei_add_property(EIGEN_MISSING_BACKENDS "fftw, ")
@ -95,3 +96,4 @@ ei_add_test(polynomialsolver " " "${GSL_LIBRARIES}" )
ei_add_test(polynomialutils)
ei_add_test(kronecker_product)
ei_add_test(splines)