OpenBLAS/cmake/system.cmake

##
## Author: Hank Anderson <hank@statease.com>
## Description: Ported from OpenBLAS/Makefile.system
##
set(NETLIB_LAPACK_DIR "${PROJECT_SOURCE_DIR}/lapack-netlib")

# TODO: Makefile.system detects Darwin (mac) and switches to clang here -hpa
# http://stackoverflow.com/questions/714100/os-detecting-makefile

# TODO: Makefile.system sets HOSTCC = $(CC) here if not already set -hpa

# TARGET_CORE will override TARGET which is used in DYNAMIC_ARCH=1.
if (DEFINED TARGET_CORE)
  set(TARGET ${TARGET_CORE})
endif ()

# Force fallbacks for 32bit
if (DEFINED BINARY AND DEFINED TARGET AND BINARY EQUAL 32)
  message(STATUS "Compiling a ${BINARY}-bit binary.")
  set(NO_AVX 1)
  if (${TARGET} STREQUAL "HASWELL" OR ${TARGET} STREQUAL "SANDYBRIDGE")
    set(TARGET "NEHALEM")
  endif ()
  if (${TARGET} STREQUAL "BULLDOZER" OR ${TARGET} STREQUAL "PILEDRIVER" OR ${TARGET} STREQUAL "ZEN")
    set(TARGET "BARCELONA")
  endif ()
endif ()

if (DEFINED TARGET)
  message(STATUS "Targetting the ${TARGET} architecture.")
  set(GETARCH_FLAGS "-DFORCE_${TARGET}")
endif ()

if (INTERFACE64)
  message(STATUS "Using 64-bit integers.")
  set(GETARCH_FLAGS	"${GETARCH_FLAGS} -DUSE64BITINT")
endif ()

if (NOT DEFINED GEMM_MULTITHREAD_THRESHOLD)
  set(GEMM_MULTITHREAD_THRESHOLD 4)
endif ()
message(STATUS "GEMM multithread threshold set to ${GEMM_MULTITHREAD_THRESHOLD}.")
set(GETARCH_FLAGS	"${GETARCH_FLAGS} -DGEMM_MULTITHREAD_THRESHOLD=${GEMM_MULTITHREAD_THRESHOLD}")

if (NO_AVX)
  message(STATUS "Disabling Advanced Vector Extensions (AVX).")
  set(GETARCH_FLAGS "${GETARCH_FLAGS} -DNO_AVX")
endif ()

if (NO_AVX2)
  message(STATUS "Disabling Advanced Vector Extensions 2 (AVX2).")
  set(GETARCH_FLAGS "${GETARCH_FLAGS} -DNO_AVX2")
endif ()

if (CMAKE_BUILD_TYPE STREQUAL Debug)
  set(GETARCH_FLAGS "${GETARCH_FLAGS} -g")
endif ()

# TODO: let CMake handle this? -hpa
#if (${QUIET_MAKE})
#  set(MAKE "${MAKE} -s")
#endif()

if (NOT DEFINED NO_PARALLEL_MAKE)
  set(NO_PARALLEL_MAKE 0)
endif ()
set(GETARCH_FLAGS	"${GETARCH_FLAGS} -DNO_PARALLEL_MAKE=${NO_PARALLEL_MAKE}")

if (CMAKE_CXX_COMPILER STREQUAL loongcc)
  set(GETARCH_FLAGS	"${GETARCH_FLAGS} -static")
endif ()

#if don't use Fortran, it will only compile CBLAS.
if (ONLY_CBLAS)
  set(NO_LAPACK 1)
else ()
  set(ONLY_CBLAS 0)
endif ()

include("${PROJECT_SOURCE_DIR}/cmake/prebuild.cmake")

if (NOT DEFINED NUM_THREADS)
  set(NUM_THREADS ${NUM_CORES})
endif ()

if (${NUM_THREADS} EQUAL 1)
  set(USE_THREAD 0)
endif ()

if (DEFINED USE_THREAD)
  if (NOT ${USE_THREAD})
    unset(SMP)
  else ()
    set(SMP 1)
  endif ()
else ()
  # N.B. this is NUM_THREAD in Makefile.system which is probably a bug -hpa
  if (${NUM_THREADS} EQUAL 1)
    unset(SMP)
  else ()
    set(SMP 1)
  endif ()
endif ()

if (${SMP})
  message(STATUS "SMP enabled.")
endif ()

if (NOT DEFINED NEED_PIC)
  set(NEED_PIC 1)
endif ()

# TODO: I think CMake should be handling all this stuff -hpa
unset(ARFLAGS)
set(CPP "${COMPILER} -E")
set(AR "${CROSS_SUFFIX}ar")
set(AS "${CROSS_SUFFIX}as")
set(LD "${CROSS_SUFFIX}ld")
set(RANLIB "${CROSS_SUFFIX}ranlib")
set(NM "${CROSS_SUFFIX}nm")
set(DLLWRAP "${CROSS_SUFFIX}dllwrap")
set(OBJCOPY "${CROSS_SUFFIX}objcopy")
set(OBJCONV "${CROSS_SUFFIX}objconv")

# OS dependent settings
include("${PROJECT_SOURCE_DIR}/cmake/os.cmake")

# Architecture dependent settings
include("${PROJECT_SOURCE_DIR}/cmake/arch.cmake")

# C Compiler dependent settings
include("${PROJECT_SOURCE_DIR}/cmake/cc.cmake")

if (NOT NOFORTRAN)
  # Fortran Compiler dependent settings
  include("${PROJECT_SOURCE_DIR}/cmake/fc.cmake")
endif ()

if (BINARY64)
  if (INTERFACE64)
    # CCOMMON_OPT += -DUSE64BITINT
  endif ()
endif ()

if (NEED_PIC)
  if (${CMAKE_C_COMPILER} STREQUAL "IBM")
    set(CCOMMON_OPT "${CCOMMON_OPT} -qpic=large")
  else ()
    set(CCOMMON_OPT "${CCOMMON_OPT} -fPIC")
  endif ()

  if (${F_COMPILER} STREQUAL "SUN")
    set(FCOMMON_OPT "${FCOMMON_OPT} -pic")
  else ()
    set(FCOMMON_OPT "${FCOMMON_OPT} -fPIC")
  endif ()
endif ()

if (DYNAMIC_ARCH)
  set(CCOMMON_OPT "${CCOMMON_OPT} -DDYNAMIC_ARCH")
endif ()

if (NO_LAPACK)
  set(CCOMMON_OPT "${CCOMMON_OPT} -DNO_LAPACK")
  #Disable LAPACK C interface
  set(NO_LAPACKE 1)
endif ()

if (NO_LAPACKE)
  set(CCOMMON_OPT "${CCOMMON_OPT} -DNO_LAPACKE")
endif ()

if (NO_AVX)
  set(CCOMMON_OPT "${CCOMMON_OPT} -DNO_AVX")
endif ()

if (${ARCH} STREQUAL "x86")
  set(CCOMMON_OPT "${CCOMMON_OPT} -DNO_AVX")
endif ()

if (NO_AVX2)
  set(CCOMMON_OPT "${CCOMMON_OPT} -DNO_AVX2")
endif ()

if (SMP)
  set(CCOMMON_OPT "${CCOMMON_OPT} -DSMP_SERVER")

  if (${ARCH} STREQUAL "mips64")
    if (NOT ${CORE} STREQUAL "LOONGSON3B")
      set(USE_SIMPLE_THREADED_LEVEL3 1)
    endif ()
  endif ()

  if (USE_OPENMP)
    # USE_SIMPLE_THREADED_LEVEL3 = 1
    # NO_AFFINITY = 1
    set(CCOMMON_OPT "${CCOMMON_OPT} -DUSE_OPENMP")
  endif ()

  if (BIGNUMA)
    set(CCOMMON_OPT "${CCOMMON_OPT} -DBIGNUMA")
  endif ()

endif ()

if (NO_WARMUP)
  set(CCOMMON_OPT "${CCOMMON_OPT} -DNO_WARMUP")
endif ()

if (CONSISTENT_FPCSR)
  set(CCOMMON_OPT "${CCOMMON_OPT} -DCONSISTENT_FPCSR")
endif ()

# Only for development
# set(CCOMMON_OPT "${CCOMMON_OPT} -DPARAMTEST")
# set(CCOMMON_OPT "${CCOMMON_OPT} -DPREFETCHTEST")
# set(CCOMMON_OPT "${CCOMMON_OPT} -DNO_SWITCHING")
# set(USE_PAPI 1)

if (USE_PAPI)
  set(CCOMMON_OPT "${CCOMMON_OPT} -DUSE_PAPI")
  set(EXTRALIB "${EXTRALIB} -lpapi -lperfctr")
endif ()

if (DYNAMIC_THREADS)
  set(CCOMMON_OPT "${CCOMMON_OPT} -DDYNAMIC_THREADS")
endif ()

set(CCOMMON_OPT "${CCOMMON_OPT} -DMAX_CPU_NUMBER=${NUM_THREADS}")

if (USE_SIMPLE_THREADED_LEVEL3)
  set(CCOMMON_OPT "${CCOMMON_OPT} -DUSE_SIMPLE_THREADED_LEVEL3")
endif ()

if (DEFINED LIBNAMESUFFIX)
  set(LIBPREFIX "libopenblas_${LIBNAMESUFFIX}")
else ()
  set(LIBPREFIX "libopenblas")
endif ()

if (NOT DEFINED SYMBOLPREFIX)
  set(SYMBOLPREFIX "")
endif ()

if (NOT DEFINED SYMBOLSUFFIX)
  set(SYMBOLSUFFIX "")
endif ()

set(KERNELDIR	"${PROJECT_SOURCE_DIR}/kernel/${ARCH}")

# TODO: nead to convert these Makefiles
# include ${PROJECT_SOURCE_DIR}/cmake/${ARCH}.cmake

if (${CORE} STREQUAL "PPC440")
  set(CCOMMON_OPT "${CCOMMON_OPT} -DALLOC_QALLOC")
endif ()

if (${CORE} STREQUAL "PPC440FP2")
  set(STATIC_ALLOCATION 1)
endif ()

if (NOT ${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
  set(NO_AFFINITY 1)
endif ()

if (NOT ${ARCH} STREQUAL "x86_64" AND NOT ${ARCH} STREQUAL "x86" AND NOT ${CORE} STREQUAL "LOONGSON3B")
  set(NO_AFFINITY 1)
endif ()

if (NO_AFFINITY)
  set(CCOMMON_OPT "${CCOMMON_OPT} -DNO_AFFINITY")
endif ()

if (FUNCTION_PROFILE)
  set(CCOMMON_OPT "${CCOMMON_OPT} -DFUNCTION_PROFILE")
endif ()

if (HUGETLB_ALLOCATION)
  set(CCOMMON_OPT "${CCOMMON_OPT} -DALLOC_HUGETLB")
endif ()

if (DEFINED HUGETLBFILE_ALLOCATION)
  set(CCOMMON_OPT "${CCOMMON_OPT} -DALLOC_HUGETLBFILE -DHUGETLB_FILE_NAME=${HUGETLBFILE_ALLOCATION})")
endif ()

if (STATIC_ALLOCATION)
  set(CCOMMON_OPT "${CCOMMON_OPT} -DALLOC_STATIC")
endif ()

if (DEVICEDRIVER_ALLOCATION)
  set(CCOMMON_OPT "${CCOMMON_OPT} -DALLOC_DEVICEDRIVER -DDEVICEDRIVER_NAME=\"/dev/mapper\"")
endif ()

if (MIXED_MEMORY_ALLOCATION)
  set(CCOMMON_OPT "${CCOMMON_OPT} -DMIXED_MEMORY_ALLOCATION")
endif ()

if (${CMAKE_SYSTEM_NAME} STREQUAL "SunOS")
  set(TAR	gtar)
  set(PATCH	gpatch)
  set(GREP ggrep)
else ()
  set(TAR tar)
  set(PATCH patch)
  set(GREP grep)
endif ()

if (NOT DEFINED MD5SUM)
  set(MD5SUM md5sum)
endif ()

set(AWK awk)

set(SED sed)

set(REVISION "-r${OpenBLAS_VERSION}")
set(MAJOR_VERSION ${OpenBLAS_MAJOR_VERSION})

if (DEBUG)
  set(COMMON_OPT "${COMMON_OPT} -g")
endif ()

if (NOT DEFINED COMMON_OPT)
  set(COMMON_OPT "-O2")
endif ()

#For x86 32-bit
if (DEFINED BINARY AND BINARY EQUAL 32)
if (NOT MSVC)
  set(COMMON_OPT "${COMMON_OPT} -m32")
endif()
endif()

set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${COMMON_OPT} ${CCOMMON_OPT}")
if(NOT MSVC)
set(CMAKE_ASM_FLAGS "${CMAKE_ASM_FLAGS} ${COMMON_OPT} ${CCOMMON_OPT}")
endif()
# TODO: not sure what PFLAGS is -hpa
set(PFLAGS "${PFLAGS} ${COMMON_OPT} ${CCOMMON_OPT} -I${TOPDIR} -DPROFILE ${COMMON_PROF}")

set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} ${COMMON_OPT} ${FCOMMON_OPT}")
# TODO: not sure what FPFLAGS is -hpa
set(FPFLAGS "${FPFLAGS} ${COMMON_OPT} ${FCOMMON_OPT} ${COMMON_PROF}")

#For LAPACK Fortran codes.
set(LAPACK_FFLAGS "${LAPACK_FFLAGS} ${CMAKE_Fortran_FLAGS}")
set(LAPACK_FPFLAGS "${LAPACK_FPFLAGS} ${FPFLAGS}")

#Disable -fopenmp for LAPACK Fortran codes on Windows.
if (${CMAKE_SYSTEM_NAME} STREQUAL "Windows")
  set(FILTER_FLAGS "-fopenmp;-mp;-openmp;-xopenmp=parralel")
  foreach (FILTER_FLAG ${FILTER_FLAGS})
    string(REPLACE ${FILTER_FLAG} "" LAPACK_FFLAGS ${LAPACK_FFLAGS})
    string(REPLACE ${FILTER_FLAG} "" LAPACK_FPFLAGS ${LAPACK_FPFLAGS})
  endforeach ()
endif ()

if ("${F_COMPILER}" STREQUAL "GFORTRAN")
  # lapack-netlib is rife with uninitialized warnings -hpa
  set(LAPACK_FFLAGS "${LAPACK_FFLAGS} -Wno-maybe-uninitialized")
endif ()

set(LAPACK_CFLAGS "${CMAKE_C_CFLAGS} -DHAVE_LAPACK_CONFIG_H")
if (INTERFACE64)
  set(LAPACK_CFLAGS "${LAPACK_CFLAGS} -DLAPACK_ILP64")
endif ()

if (${CMAKE_SYSTEM_NAME} STREQUAL "Windows")
  set(LAPACK_CFLAGS "${LAPACK_CFLAGS} -DOPENBLAS_OS_WINDOWS")
endif ()

if (${CMAKE_C_COMPILER} STREQUAL "LSB" OR ${CMAKE_SYSTEM_NAME} STREQUAL "Windows")
  set(LAPACK_CFLAGS "${LAPACK_CFLAGS} -DLAPACK_COMPLEX_STRUCTURE")
endif ()

if (NOT DEFINED SUFFIX)
  set(SUFFIX o)
endif ()

if (NOT DEFINED PSUFFIX)
  set(PSUFFIX po)
endif ()

if (NOT DEFINED LIBSUFFIX)
  set(LIBSUFFIX a)
endif ()

if (DYNAMIC_ARCH)
  if (DEFINED SMP)
    set(LIBNAME "${LIBPREFIX}p${REVISION}.${LIBSUFFIX}")
    set(LIBNAME_P	"${LIBPREFIX}p${REVISION}_p.${LIBSUFFIX}")
  else ()
    set(LIBNAME "${LIBPREFIX}${REVISION}.${LIBSUFFIX}")
    set(LIBNAME_P	"${LIBPREFIX}${REVISION}_p.${LIBSUFFIX}")
  endif ()
else ()
  if (DEFINED SMP)
    set(LIBNAME "${LIBPREFIX}_${LIBCORE}p${REVISION}.${LIBSUFFIX}")
    set(LIBNAME_P	"${LIBPREFIX}_${LIBCORE}p${REVISION}_p.${LIBSUFFIX}")
  else ()
    set(LIBNAME	"${LIBPREFIX}_${LIBCORE}${REVISION}.${LIBSUFFIX}")
    set(LIBNAME_P	"${LIBPREFIX}_${LIBCORE}${REVISION}_p.${LIBSUFFIX}")
  endif ()
endif ()


set(LIBDLLNAME "${LIBPREFIX}.dll")
set(LIBSONAME "${LIBNAME}.${LIBSUFFIX}.so")
set(LIBDYNNAME "${LIBNAME}.${LIBSUFFIX}.dylib")
set(LIBDEFNAME "${LIBNAME}.${LIBSUFFIX}.def")
set(LIBEXPNAME "${LIBNAME}.${LIBSUFFIX}.exp")
set(LIBZIPNAME "${LIBNAME}.${LIBSUFFIX}.zip")

set(LIBS "${PROJECT_SOURCE_DIR}/${LIBNAME}")
set(LIBS_P "${PROJECT_SOURCE_DIR}/${LIBNAME_P}")


set(LIB_COMPONENTS BLAS)
if (NOT NO_CBLAS)
  set(LIB_COMPONENTS "${LIB_COMPONENTS} CBLAS")
endif ()

if (NOT NO_LAPACK)
  set(LIB_COMPONENTS "${LIB_COMPONENTS} LAPACK")
  if (NOT NO_LAPACKE)
    set(LIB_COMPONENTS "${LIB_COMPONENTS} LAPACKE")
  endif ()
endif ()

if (ONLY_CBLAS)
  set(LIB_COMPONENTS CBLAS)
endif ()


# For GEMM3M
set(USE_GEMM3M 0)

if (DEFINED ARCH)
  if (${ARCH} STREQUAL "x86" OR ${ARCH} STREQUAL "x86_64" OR ${ARCH} STREQUAL "ia64" OR ${ARCH} STREQUAL "MIPS")
    set(USE_GEMM3M 1)
  endif ()

  if (${CORE} STREQUAL "generic")
    set(USE_GEMM3M 0)
  endif ()
endif ()


#export OSNAME
#export ARCH
#export CORE
#export LIBCORE
#export PGCPATH
#export CONFIG
#export CC
#export FC
#export BU
#export FU
#export NEED2UNDERSCORES
#export USE_THREAD
#export NUM_THREADS
#export NUM_CORES
#export SMP
#export MAKEFILE_RULE
#export NEED_PIC
#export BINARY
#export BINARY32
#export BINARY64
#export F_COMPILER
#export C_COMPILER
#export USE_OPENMP
#export CROSS
#export CROSS_SUFFIX
#export NOFORTRAN
#export NO_FBLAS
#export EXTRALIB
#export CEXTRALIB
#export FEXTRALIB
#export HAVE_SSE
#export HAVE_SSE2
#export HAVE_SSE3
#export HAVE_SSSE3
#export HAVE_SSE4_1
#export HAVE_SSE4_2
#export HAVE_SSE4A
#export HAVE_SSE5
#export HAVE_AVX
#export HAVE_VFP
#export HAVE_VFPV3
#export HAVE_VFPV4
#export HAVE_NEON
#export KERNELDIR
#export FUNCTION_PROFILE
#export TARGET_CORE
#
#export SGEMM_UNROLL_M
#export SGEMM_UNROLL_N
#export DGEMM_UNROLL_M
#export DGEMM_UNROLL_N
#export QGEMM_UNROLL_M
#export QGEMM_UNROLL_N
#export CGEMM_UNROLL_M
#export CGEMM_UNROLL_N
#export ZGEMM_UNROLL_M
#export ZGEMM_UNROLL_N
#export XGEMM_UNROLL_M
#export XGEMM_UNROLL_N
#export CGEMM3M_UNROLL_M
#export CGEMM3M_UNROLL_N
#export ZGEMM3M_UNROLL_M
#export ZGEMM3M_UNROLL_N
#export XGEMM3M_UNROLL_M
#export XGEMM3M_UNROLL_N


#if (USE_CUDA)
#  export CUDADIR
#  export CUCC
#  export CUFLAGS
#  export CULIB
#endif

#.SUFFIXES: .$(PSUFFIX) .$(SUFFIX) .f
#
#.f.$(SUFFIX):
#	$(FC) $(FFLAGS) -c $<  -o $(@F)
#
#.f.$(PSUFFIX):
#	$(FC) $(FPFLAGS) -pg -c $<  -o $(@F)

# these are not cross-platform
#ifdef BINARY64
#PATHSCALEPATH	= /opt/pathscale/lib/3.1
#PGIPATH		= /opt/pgi/linux86-64/7.1-5/lib
#else
#PATHSCALEPATH	= /opt/pathscale/lib/3.1/32
#PGIPATH		= /opt/pgi/linux86/7.1-5/lib
#endif

#ACMLPATH	= /opt/acml/4.3.0
#ifneq ($(OSNAME), Darwin)
#MKLPATH         = /opt/intel/mkl/10.2.2.025/lib
#else
#MKLPATH         = /Library/Frameworks/Intel_MKL.framework/Versions/10.0.1.014/lib
#endif
#ATLASPATH	= /opt/atlas/3.9.17/opteron
#FLAMEPATH	= $(HOME)/flame/lib
#ifneq ($(OSNAME), SunOS)
#SUNPATH		= /opt/sunstudio12.1
#else
#SUNPATH		= /opt/SUNWspro
#endif