cmake_minimum_required (VERSION 3.0) if (NOT DEFINED CMAKE_BUILD_TYPE) set (CMAKE_BUILD_TYPE Release CACHE STRING "Build type") endif () project (fftw) if (POLICY CMP0042) cmake_policy (SET CMP0042 NEW) endif () option (BUILD_SHARED_LIBS "Build shared libraries" OFF) option (BUILD_TESTS "Build tests" ON) option (ENABLE_OPENMP "Use OpenMP for multithreading" OFF) option (ENABLE_THREADS "Use pthread for multithreading" OFF) option (WITH_COMBINED_THREADS "Merge thread library" OFF) option (WITH_OUR_MALLOC "Use own aligned malloc()/free() implementation" OFF) option (ENABLE_FLOAT "single-precision" OFF) option (ENABLE_LONG_DOUBLE "long-double precision" OFF) option (ENABLE_QUAD_PRECISION "quadruple-precision" OFF) option (ENABLE_SSE "Compile with SSE instruction set support" OFF) option (ENABLE_SSE2 "Compile with SSE2 instruction set support" OFF) option (ENABLE_AVX "Compile with AVX instruction set support" OFF) option (ENABLE_AVX2 "Compile with AVX2 instruction set support" OFF) option (DISABLE_FORTRAN "Disable Fortran wrapper routines" OFF) include(GNUInstallDirs) include (CheckIncludeFile) check_include_file (alloca.h HAVE_ALLOCA_H) check_include_file (altivec.h HAVE_ALTIVEC_H) check_include_file (c_asm.h HAVE_C_ASM_H) check_include_file (dlfcn.h HAVE_DLFCN_H) check_include_file (intrinsics.h HAVE_INTRINSICS_H) check_include_file (inttypes.h HAVE_INTTYPES_H) check_include_file (libintl.h HAVE_LIBINTL_H) check_include_file (limits.h HAVE_LIMITS_H) check_include_file (mach/mach_time.h HAVE_MACH_MACH_TIME_H) check_include_file (malloc.h HAVE_MALLOC_H) check_include_file (memory.h HAVE_MEMORY_H) check_include_file (stddef.h HAVE_STDDEF_H) check_include_file (stdint.h HAVE_STDINT_H) check_include_file (stdlib.h HAVE_STDLIB_H) check_include_file (string.h HAVE_STRING_H) check_include_file (strings.h HAVE_STRINGS_H) check_include_file (sys/types.h HAVE_SYS_TYPES_H) check_include_file (sys/time.h HAVE_SYS_TIME_H) check_include_file (sys/stat.h HAVE_SYS_STAT_H) check_include_file (sys/sysctl.h HAVE_SYS_SYSCTL_H) check_include_file (time.h HAVE_TIME_H) check_include_file (uintptr.h HAVE_UINTPTR_H) check_include_file (unistd.h HAVE_UNISTD_H) if (HAVE_TIME_H AND HAVE_SYS_TIME_H) set (TIME_WITH_SYS_TIME TRUE) endif () include (CheckPrototypeDefinition) check_prototype_definition (drand48 "double drand48 (void)" "0" stdlib.h HAVE_DECL_DRAND48) check_prototype_definition (srand48 "void srand48(long int seedval)" "0" stdlib.h HAVE_DECL_SRAND48) check_prototype_definition (cosl "long double cosl( long double arg )" "0" math.h HAVE_DECL_COSL) check_prototype_definition (sinl "long double sinl( long double arg )" "0" math.h HAVE_DECL_SINL) check_prototype_definition (memalign "void *memalign(size_t alignment, size_t size)" "0" malloc.h HAVE_DECL_MEMALIGN) check_prototype_definition (posix_memalign "int posix_memalign(void **memptr, size_t alignment, size_t size)" "0" stdlib.h HAVE_DECL_POSIX_MEMALIGN) include (CheckSymbolExists) check_symbol_exists (clock_gettime time.h HAVE_CLOCK_GETTIME) check_symbol_exists (gettimeofday sys/time.h HAVE_GETTIMEOFDAY) check_symbol_exists (getpagesize unistd.h HAVE_GETPAGESIZE) check_symbol_exists (drand48 stdlib.h HAVE_DRAND48) check_symbol_exists (srand48 stdlib.h HAVE_SRAND48) check_symbol_exists (memalign malloc.h HAVE_MEMALIGN) check_symbol_exists (posix_memalign stdlib.h HAVE_POSIX_MEMALIGN) check_symbol_exists (mach_absolute_time mach/mach_time.h HAVE_MACH_ABSOLUTE_TIME) check_symbol_exists (alloca alloca.h HAVE_ALLOCA) if (NOT HAVE_ALLOCA) unset (HAVE_ALLOCA CACHE) check_symbol_exists (alloca malloc.h HAVE_ALLOCA) endif () check_symbol_exists (isnan math.h HAVE_ISNAN) check_symbol_exists (snprintf stdio.h HAVE_SNPRINTF) check_symbol_exists (strchr string.h HAVE_STRCHR) check_symbol_exists (sysctl unistd.h HAVE_SYSCTL) if (UNIX) set (CMAKE_REQUIRED_LIBRARIES m) endif () check_symbol_exists (cosl math.h HAVE_COSL) check_symbol_exists (sinl math.h HAVE_SINL) include (CheckTypeSize) check_type_size ("float" SIZEOF_FLOAT) check_type_size ("double" SIZEOF_DOUBLE) check_type_size ("int" SIZEOF_INT) check_type_size ("long" SIZEOF_LONG) check_type_size ("long long" SIZEOF_LONG_LONG) check_type_size ("unsigned int" SIZEOF_UNSIGNED_INT) check_type_size ("unsigned long" SIZEOF_UNSIGNED_LONG) check_type_size ("unsigned long long" SIZEOF_UNSIGNED_LONG_LONG) check_type_size ("size_t" SIZEOF_SIZE_T) check_type_size ("ptrdiff_t" SIZEOF_PTRDIFF_T) math (EXPR SIZEOF_INT_BITS "8 * ${SIZEOF_INT}") set (C_FFTW_R2R_KIND "C_INT${SIZEOF_INT_BITS}_T") find_library (LIBM_LIBRARY NAMES m) if (LIBM_LIBRARY) set (HAVE_LIBM TRUE) endif () if (ENABLE_THREADS) find_package (Threads) endif () if (Threads_FOUND) if(CMAKE_USE_PTHREADS_INIT) set (USING_POSIX_THREADS 1) endif () set (HAVE_THREADS TRUE) endif () if (ENABLE_OPENMP) find_package (OpenMP) endif () if (OPENMP_FOUND) set (HAVE_OPENMP TRUE) endif () include (CheckCCompilerFlag) if (ENABLE_SSE) foreach (FLAG "-msse" "/arch:SSE") unset (HAVE_SSE CACHE) unset (HAVE_SSE) check_c_compiler_flag (${FLAG} HAVE_SSE) if (HAVE_SSE) set (SSE_FLAG ${FLAG}) break() endif () endforeach () endif () if (ENABLE_SSE2) foreach (FLAG "-msse2" "/arch:SSE2") unset (HAVE_SSE2 CACHE) unset (HAVE_SSE2) check_c_compiler_flag (${FLAG} HAVE_SSE2) if (HAVE_SSE2) set (SSE2_FLAG ${FLAG}) break() endif () endforeach () endif () if (ENABLE_AVX) foreach (FLAG "-mavx" "/arch:AVX") unset (HAVE_AVX CACHE) unset (HAVE_AVX) check_c_compiler_flag (${FLAG} HAVE_AVX) if (HAVE_AVX) set (AVX_FLAG ${FLAG}) break() endif () endforeach () endif () if (ENABLE_AVX2) foreach (FLAG "-mavx2" "/arch:AVX2") unset (HAVE_AVX2 CACHE) unset (HAVE_AVX2) check_c_compiler_flag (${FLAG} HAVE_AVX2) if (HAVE_AVX2) set (AVX2_FLAG ${FLAG}) break() endif () endforeach () endif () # AVX2 codelets require FMA support as well if (ENABLE_AVX2) foreach (FLAG "-mfma" "/arch:FMA") unset (HAVE_FMA CACHE) unset (HAVE_FMA) check_c_compiler_flag (${FLAG} HAVE_FMA) if (HAVE_FMA) set (FMA_FLAG ${FLAG}) break() endif () endforeach () endif () if (HAVE_SSE2 OR HAVE_AVX) set (HAVE_SIMD TRUE) endif () file(GLOB fftw_api_SOURCE api/*.c api/*.h) file(GLOB fftw_dft_SOURCE dft/*.c dft/*.h) file(GLOB fftw_dft_scalar_SOURCE dft/scalar/*.c dft/scalar/*.h) file(GLOB fftw_dft_scalar_codelets_SOURCE dft/scalar/codelets/*.c dft/scalar/codelets/*.h) file(GLOB fftw_dft_simd_SOURCE dft/simd/*.c dft/simd/*.h) file(GLOB fftw_dft_simd_sse2_SOURCE dft/simd/sse2/*.c dft/simd/sse2/*.h) file(GLOB fftw_dft_simd_avx_SOURCE dft/simd/avx/*.c dft/simd/avx/*.h) file(GLOB fftw_dft_simd_avx2_SOURCE dft/simd/avx2/*.c dft/simd/avx2/*.h dft/simd/avx2-128/*.c dft/simd/avx2-128/*.h) file(GLOB fftw_kernel_SOURCE kernel/*.c kernel/*.h) file(GLOB fftw_rdft_SOURCE rdft/*.c rdft/*.h) file(GLOB fftw_rdft_scalar_SOURCE rdft/scalar/*.c rdft/scalar/*.h) file(GLOB fftw_rdft_scalar_r2cb_SOURCE rdft/scalar/r2cb/*.c rdft/scalar/r2cb/*.h) file(GLOB fftw_rdft_scalar_r2cf_SOURCE rdft/scalar/r2cf/*.c rdft/scalar/r2cf/*.h) file(GLOB fftw_rdft_scalar_r2r_SOURCE rdft/scalar/r2r/*.c rdft/scalar/r2r/*.h) file(GLOB fftw_rdft_simd_SOURCE rdft/simd/*.c rdft/simd/*.h) file(GLOB fftw_rdft_simd_sse2_SOURCE rdft/simd/sse2/*.c rdft/simd/sse2/*.h) file(GLOB fftw_rdft_simd_avx_SOURCE rdft/simd/avx/*.c rdft/simd/avx/*.h) file(GLOB fftw_rdft_simd_avx2_SOURCE rdft/simd/avx2/*.c rdft/simd/avx2/*.h rdft/simd/avx2-128/*.c rdft/simd/avx2-128/*.h) file(GLOB fftw_reodft_SOURCE reodft/*.c reodft/*.h) file(GLOB fftw_simd_support_SOURCE simd-support/*.c simd-support/*.h) file(GLOB fftw_libbench2_SOURCE libbench2/*.c libbench2/*.h) list (REMOVE_ITEM fftw_libbench2_SOURCE ${CMAKE_CURRENT_SOURCE_DIR}/libbench2/useropt.c) set(SOURCEFILES ${fftw_api_SOURCE} ${fftw_dft_SOURCE} ${fftw_dft_scalar_SOURCE} ${fftw_dft_scalar_codelets_SOURCE} ${fftw_dft_simd_SOURCE} ${fftw_kernel_SOURCE} ${fftw_rdft_SOURCE} ${fftw_rdft_scalar_SOURCE} ${fftw_rdft_scalar_r2cb_SOURCE} ${fftw_rdft_scalar_r2cf_SOURCE} ${fftw_rdft_scalar_r2r_SOURCE} ${fftw_rdft_simd_SOURCE} ${fftw_reodft_SOURCE} ${fftw_simd_support_SOURCE} ${fftw_threads_SOURCE} ) set(fftw_par_SOURCE threads/api.c threads/conf.c threads/ct.c threads/dft-vrank-geq1.c threads/f77api.c threads/hc2hc.c threads/rdft-vrank-geq1.c threads/vrank-geq1-rdft2.c) set (fftw_threads_SOURCE ${fftw_par_SOURCE} threads/threads.c) set (fftw_omp_SOURCE ${fftw_par_SOURCE} threads/openmp.c) include_directories (.) if (WITH_COMBINED_THREADS) list (APPEND SOURCEFILES ${fftw_threads_SOURCE}) endif () if (HAVE_SSE2) list (APPEND SOURCEFILES ${fftw_dft_simd_sse2_SOURCE} ${fftw_rdft_simd_sse2_SOURCE}) endif () if (HAVE_AVX) list (APPEND SOURCEFILES ${fftw_dft_simd_avx_SOURCE} ${fftw_rdft_simd_avx_SOURCE}) endif () if (HAVE_AVX2) list (APPEND SOURCEFILES ${fftw_dft_simd_avx2_SOURCE} ${fftw_rdft_simd_avx2_SOURCE}) endif () set (FFTW_VERSION 3.3.9) set (PREC_SUFFIX) if (ENABLE_FLOAT) set (FFTW_SINGLE TRUE) set (BENCHFFT_SINGLE TRUE) set (PREC_SUFFIX f) endif () if (ENABLE_LONG_DOUBLE) set (FFTW_LDOUBLE TRUE) set (BENCHFFT_LDOUBLE TRUE) set (PREC_SUFFIX l) endif () if (ENABLE_QUAD_PRECISION) set (FFTW_QUAD TRUE) set (BENCHFFT_QUAD TRUE) set (PREC_SUFFIX q) endif () set (fftw3_lib fftw3${PREC_SUFFIX}) configure_file (cmake.config.h.in config.h @ONLY) include_directories (${CMAKE_CURRENT_BINARY_DIR}) if (BUILD_SHARED_LIBS) add_definitions (-DFFTW_DLL) endif () add_library (${fftw3_lib} ${SOURCEFILES}) target_include_directories (${fftw3_lib} INTERFACE $) if (WITH_OUR_MALLOC) target_compile_definitions (${fftw3_lib} PRIVATE WITH_OUR_MALLOC) endif () if (MSVC AND NOT (CMAKE_C_COMPILER_ID STREQUAL "Intel")) target_compile_definitions (${fftw3_lib} PRIVATE /bigobj) endif () if (HAVE_SSE) target_compile_options (${fftw3_lib} PRIVATE ${SSE_FLAG}) endif () if (HAVE_SSE2) target_compile_options (${fftw3_lib} PRIVATE ${SSE2_FLAG}) endif () if (HAVE_AVX) target_compile_options (${fftw3_lib} PRIVATE ${AVX_FLAG}) endif () if (HAVE_AVX2) target_compile_options (${fftw3_lib} PRIVATE ${AVX2_FLAG}) endif () if (HAVE_FMA) target_compile_options (${fftw3_lib} PRIVATE ${FMA_FLAG}) endif () if (HAVE_LIBM) target_link_libraries (${fftw3_lib} m) endif () set (subtargets ${fftw3_lib}) if (Threads_FOUND) if (WITH_COMBINED_THREADS) target_link_libraries (${fftw3_lib} ${CMAKE_THREAD_LIBS_INIT}) else () add_library (${fftw3_lib}_threads ${fftw_threads_SOURCE}) target_include_directories (${fftw3_lib}_threads INTERFACE $) target_link_libraries (${fftw3_lib}_threads ${fftw3_lib}) target_link_libraries (${fftw3_lib}_threads ${CMAKE_THREAD_LIBS_INIT}) list (APPEND subtargets ${fftw3_lib}_threads) endif () endif () if (OPENMP_FOUND) add_library (${fftw3_lib}_omp ${fftw_omp_SOURCE}) target_include_directories (${fftw3_lib}_omp INTERFACE $) target_link_libraries (${fftw3_lib}_omp ${fftw3_lib}) target_link_libraries (${fftw3_lib}_omp ${CMAKE_THREAD_LIBS_INIT}) list (APPEND subtargets ${fftw3_lib}_omp) target_compile_options (${fftw3_lib}_omp PRIVATE ${OpenMP_C_FLAGS}) endif () foreach(subtarget ${subtargets}) set_target_properties (${subtarget} PROPERTIES SOVERSION 3.6.9 VERSION 3) install (TARGETS ${subtarget} RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}) endforeach () install(TARGETS ${fftw3_lib} EXPORT FFTW3LibraryDepends RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}) install (FILES api/fftw3.h DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}) if (EXISTS ${CMAKE_SOURCE_DIR}/api/fftw3.f) install (FILES api/fftw3.f api/fftw3l.f03 api/fftw3q.f03 DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}) endif () if (EXISTS ${CMAKE_SOURCE_DIR}/api/fftw3.f03.in) file (READ api/fftw3.f03.in FFTW3_F03_IN OFFSET 42) file (WRITE ${CMAKE_CURRENT_BINARY_DIR}/fftw3.f03 "! Generated automatically. DO NOT EDIT!\n\n") file (APPEND ${CMAKE_CURRENT_BINARY_DIR}/fftw3.f03 " integer, parameter :: C_FFTW_R2R_KIND = ${C_FFTW_R2R_KIND}\n\n") file (APPEND ${CMAKE_CURRENT_BINARY_DIR}/fftw3.f03 "${FFTW3_F03_IN}") install (FILES ${CMAKE_CURRENT_BINARY_DIR}/fftw3.f03 DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}) endif () if (BUILD_TESTS) add_executable (bench ${fftw_libbench2_SOURCE} tests/bench.c tests/hook.c tests/fftw-bench.c) if (ENABLE_THREADS AND NOT WITH_COMBINED_THREADS) target_link_libraries (bench ${fftw3_lib}_threads) else () target_link_libraries (bench ${fftw3_lib}) endif () enable_testing () if (Threads_FOUND) macro (fftw_add_test problem) add_test (NAME ${problem} COMMAND bench -s ${problem}) endmacro () fftw_add_test (32x64) fftw_add_test (ib256) endif () endif () # pkgconfig file set (prefix ${CMAKE_INSTALL_PREFIX}) set (exec_prefix ${CMAKE_INSTALL_PREFIX}) set (libdir ${CMAKE_INSTALL_FULL_LIBDIR}) set (includedir ${CMAKE_INSTALL_FULL_INCLUDEDIR}) set (VERSION ${FFTW_VERSION}) configure_file (fftw.pc.in fftw3${PREC_SUFFIX}.pc @ONLY) install (FILES ${CMAKE_CURRENT_BINARY_DIR}/fftw3${PREC_SUFFIX}.pc DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig COMPONENT Development) # cmake file set (FFTW3_LIBRARIES "FFTW3::${fftw3_lib}") configure_file (FFTW3Config.cmake.in FFTW3${PREC_SUFFIX}Config.cmake @ONLY) configure_file (FFTW3ConfigVersion.cmake.in FFTW3${PREC_SUFFIX}ConfigVersion.cmake @ONLY) install (FILES ${CMAKE_CURRENT_BINARY_DIR}/FFTW3${PREC_SUFFIX}Config.cmake ${CMAKE_CURRENT_BINARY_DIR}/FFTW3${PREC_SUFFIX}ConfigVersion.cmake DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/fftw3${PREC_SUFFIX} COMPONENT Development) export (TARGETS ${fftw3_lib} NAMESPACE FFTW3:: FILE ${PROJECT_BINARY_DIR}/FFTW3LibraryDepends.cmake) install(EXPORT FFTW3LibraryDepends NAMESPACE FFTW3:: DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/fftw3${PREC_SUFFIX} COMPONENT Development)