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Makefile.inc
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#############################################################################
# Copyright (c) 2015-2017, Intel Corporation #
# All rights reserved. #
# #
# Redistribution and use in source and binary forms, with or without #
# modification, are permitted provided that the following conditions #
# are met: #
# 1. Redistributions of source code must retain the above copyright #
# notice, this list of conditions and the following disclaimer. #
# 2. Redistributions in binary form must reproduce the above copyright #
# notice, this list of conditions and the following disclaimer in the #
# documentation and/or other materials provided with the distribution. #
# 3. Neither the name of the copyright holder nor the names of its #
# contributors may be used to endorse or promote products derived #
# from this software without specific prior written permission. #
# #
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS #
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT #
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR #
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT #
# HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, #
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED #
# TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR #
# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF #
# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING #
# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS #
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. #
#############################################################################
# Hans Pabst (Intel Corp.)
#############################################################################
ifeq (d,$(filter d,$(MAKEFLAGS)))
SHELL = bash -xv
endif
ifeq (Windows_NT,$(OS))
UNAME ?= Windows_NT
ENV ?= $(NULL)
# Cygwin based
DLIBEXT ?= dll
SLIBEXT ?= lib
else
UNAME ?= $(shell uname)
ENV ?= env
ifneq (Darwin,$(UNAME))
DLIBEXT ?= so
SLIBEXT ?= a
else
DLIBEXT ?= dylib
SLIBEXT ?= a
endif
endif
# Regular expression to match "main" (good-enough pattern)
CMAIN = "main\s*(.*)"
FMAIN = "^\s*PROGRAM\s\s*\w\w*\(\s\s*\!.*\)*$$"
# PIC: PIC or pic
PIC=pic
# Optimization level
OPT ?= 2
# Optimization flag derived from OPT flag
ifeq (0,$(shell echo "$(OPT)" | grep -q "^[0-9]\+$$"; echo "$$?"))
OPTFLAG = -O$(OPT)
else
OPTFLAG = -$(OPT)
endif
# Instrumentation level (trace)
ifeq (,$(strip $(INSTRUMENT)))
INSTRUMENT = 0
endif
TRACE ?= 0
# Number of repeated calls (tests),
# or used to scale the problem size
TESTSIZE ?= 1
# Static or shared binary
STATIC ?= 0
# Intrinsics support level
INTRINSICS ?= 2
ifneq (0,$(INTRINSICS))
ifeq (1,$(INTRINSICS))
DFLAGS += -DLIBXSMM_INTRINSICS_STATIC
endif
else # disabled
DFLAGS += -DLIBXSMM_INTRINSICS_NONE
endif
OFFLOAD ?= 0
ifneq (0,$(OFFLOAD))
MPSS ?= 1
KNC ?= 1
else
MPSS ?= 0
KNC ?= 0
endif
DEPDIR ?= $(ROOTDIR)
ifeq (0,$(KNC))
LIBNAME ?= $(DEPDIR)/lib/libxsmm
else ifneq (3,$(AVX))
ifeq (0,$(OFFLOAD))
LIBNAME ?= $(DEPDIR)/lib/mic/libxsmm
else
LIBNAME ?= $(DEPDIR)/lib/libxsmm
endif
else
LIBNAME ?= $(DEPDIR)/lib/libxsmm
endif
# Secondary static
ifneq (file,$(origin STATIC)) # prefer user override/preference (in any case)
DEPSTATIC ?= $(STATIC)
else ifneq (,$(wildcard $(LIBNAME).$(SLIBEXT))) # prefer static (library exists)
DEPSTATIC ?= 1
else ifneq (0,$(STATIC))
DEPSTATIC ?= $(STATIC)
else
DEPSTATIC ?= 0
endif
# Library extension
ifneq (0,$(DEPSTATIC))
LIBEXT ?= $(SLIBEXT)
else
LIBEXT ?= $(DLIBEXT)
endif
# Debugging and symbols (e.g., when profiling)
SYM ?= 0
DBG ?= 0
# Threading runtime
OMP ?= 0
# THREADS refers to foundational TRT (and not necessarily Posix Threads)
THREADS ?= 1
# Code conformance (beyond -Wall)
PEDANTIC ?= 0
# Embed InterProcedural Optimization information into libraries
IPO ?= 0
# ILP64=0 (LP64 with 32-bit integers), and ILP64=0 (64-bit integers)
ILP64 ?= 0
BLAS ?= 0
# Separate control on how to link against the BLAS library
BLAS_STATIC ?= $(DEPSTATIC)
ifneq (0,$(BLAS_STATIC))
BLASLIBEXT ?= $(SLIBEXT)
else
BLASLIBEXT ?= $(DLIBEXT)
endif
# Explicitly disables BLAS by user's intervention
# Makefile defines what happens (perhaps nothing)
NOBLAS ?= 0
DNOBLAS = -D__BLAS=0
ifneq (,$(filter environment% override command%,$(origin BLAS)))
ifeq (0,$(BLAS))
BLAS_DFLAGS += $(DNOBLAS)
NOBLAS = 1
endif
endif
# TBB enabled (1) or disabled (0)
# availability depends on TBBROOT
TBB ?= 0
# TBB runtime compatible with oldest supported GCC
TBB_OLDRTL ?= 0
# C Compiler is used for link stage
ifneq (Darwin,$(UNAME))
XGROUP_BEGIN = -Wl,--start-group
XGROUP_END = -Wl,--end-group
XLIB_BEGIN = -Wl,--as-needed
XLIB_END = -Wl,--no-as-needed
XRPATH = -Wl,--rpath=$(NULL)
else
XRPATH = -Xlinker -rpath -Xlinker $(NULL)
endif
# Enable absolute library paths
ABSLIBS ?= 0
abslibrpath = $(strip $(if $(wildcard $1),$(XRPATH)$(dir $(abspath $1)),$(NULL)))
absliblpath = $(strip $(if $(filter .$(DLIBEXT),$(suffix $1)), \
$(if $1,-L$(dir $(abspath $1)),-L$(dir $1)),$(NULL)))
abslibfile = $(strip $(if $(filter .$(DLIBEXT),$(suffix $1)), \
$(if $(patsubst lib%,%,$(basename $(notdir $1))), \
-l$(patsubst lib%,%,$(basename $(notdir $1))),$(NULL)),$1))
ifneq (0,$(ABSLIBS))
abslibpath = $(strip $(call abslibrpath,$1) $(call absliblpath,$1))
else
abslibpath = $(call absliblpath,$1)
endif
abslib = $(strip $(call abslibpath,$1) $(call abslibfile,$1))
EXTLIB = $(call abslib,$(LIBNAME)ext.$(LIBEXT)) #$(XLIB_BEGIN) -lm $(XLIB_END)
ifeq (0,$(BLAS))
# provides a libxsmmext as a dummy library which satisfies BLAS symbols
BLASLIB = $(EXTLIB)
else
BLASLIB ?= $(NULL)
endif
# Embedd soname into shared library
ifneq (Darwin,$(UNAME))
soname = -Wl,-soname=$(subst $(NULL) ,.,$(strip $(notdir $1) $2 $3 $4))
else
soname = # TODO
endif
# Pickup OpenMP library name if passed as OMP=libname|name
ifneq (0,$(shell echo "$(OMP)" | grep -q "^-*[0-9]\+$$"; echo "$$?")) # NaN
OMPRT = $(patsubst lib%,%,$(OMP))
endif
# Automatically pickup the environment (make -e not needed),
# or pickup the Intel Compiler (if available).
ifneq (,$(notdir $(shell which icpc 2> /dev/null)))
CXX = icpc
endif
ifneq (,$(notdir $(shell which icc 2> /dev/null)))
CC = icc
endif
ifneq (,$(notdir $(shell which ifort 2> /dev/null)))
FC = ifort
endif
# check if the Intel Development Tools are available
INTEL ?= $(shell echo "$$((2==$(words $(filter icpc icc, \
$(shell $(CXX) --version 2> /dev/null | head -n1 | cut -d' ' -f1) \
$(shell $(CC) --version 2> /dev/null | head -n1 | cut -d' ' -f1)))))")
#FORTRAN ?= $(if $(FC), $(if $(notdir $(shell which $(FC) 2> /dev/null)), 1, 0), 0)
ifneq (0,$(INTEL))
ifeq (0,$(OFFLOAD))
CXXFLAGS += -qno-offload
CFLAGS += -qno-offload
ifneq (,$(strip $(FC)))
ifeq (ifort,$(shell $(FC) --version 2> /dev/null | head -n1 | cut -d" " -f1))
FCFLAGS += -qno-offload
endif
endif
endif
else
ifeq (,$(notdir $(shell which $(CXX) 2> /dev/null)))
CXX = g++
else ifneq (0,$(shell $(CXX) --version > /dev/null 2> /dev/null; echo "$$?"))
CXX = g++
endif
ifeq (,$(notdir $(shell which $(CC) 2> /dev/null)))
CC = gcc
else ifneq (0,$(shell $(CC) --version > /dev/null 2> /dev/null; echo "$$?"))
CC = gcc
endif
ifneq (0,$(FORTRAN))
ifneq (,$(strip $(FC)))
ifneq (0,$(shell $(FC) --version > /dev/null 2> /dev/null; echo "$$?"))
FC = $(shell which gfortran 2> /dev/null)
endif
endif
else
FC = $(shell which gfortran 2> /dev/null)
endif
endif
ifeq (0,$(FORTRAN))
FC = $(NULL)
endif
CXX_VERSION_STRING = $(shell $(CXX) --version 2> /dev/null | head -n1 | sed "s/..* \([0-9][0-9]*\.[0-9][0-9]*\.*[0-9]*\)[ \S]*.*/\1/")
CXX_VERSION_MAJOR = $(shell echo "$(CXX_VERSION_STRING)" | cut -d"." -f1)
CXX_VERSION_MINOR = $(shell echo "$(CXX_VERSION_STRING)" | cut -d"." -f2)
CXX_VERSION_PATCH = $(shell echo "$(CXX_VERSION_STRING)" | cut -d"." -f3)
ifeq (3,$(words $(CXX_VERSION_MAJOR) $(CXX_VERSION_MINOR) $(CXX_VERSION_PATCH)))
CXX_VERSION = $(shell echo "$$(($(CXX_VERSION_MAJOR) * 10000 + $(CXX_VERSION_MINOR) * 100 + $(CXX_VERSION_PATCH)))")
else ifeq (2,$(words $(CXX_VERSION_MAJOR) $(CXX_VERSION_MINOR)))
CXX_VERSION = $(shell echo "$$(($(CXX_VERSION_MAJOR) * 10000 + $(CXX_VERSION_MINOR) * 100))")
CXX_VERSION_PATCH = 0
else
CXX_VERSION_STRING = $(NULL)
CXX_VERSION = 0
endif
CC_VERSION_STRING = $(shell $(CC) --version 2> /dev/null | head -n1 | sed "s/..* \([0-9][0-9]*\.[0-9][0-9]*\.*[0-9]*\)[ \S]*.*/\1/")
CC_VERSION_MAJOR = $(shell echo "$(CC_VERSION_STRING)" | cut -d"." -f1)
CC_VERSION_MINOR = $(shell echo "$(CC_VERSION_STRING)" | cut -d"." -f2)
CC_VERSION_PATCH = $(shell echo "$(CC_VERSION_STRING)" | cut -d"." -f3)
ifeq (3,$(words $(CC_VERSION_MAJOR) $(CC_VERSION_MINOR) $(CC_VERSION_PATCH)))
CC_VERSION = $(shell echo "$$(($(CC_VERSION_MAJOR) * 10000 + $(CC_VERSION_MINOR) * 100 + $(CC_VERSION_PATCH)))")
else ifeq (2,$(words $(CC_VERSION_MAJOR) $(CC_VERSION_MINOR)))
CC_VERSION = $(shell echo "$$(($(CC_VERSION_MAJOR) * 10000 + $(CC_VERSION_MINOR) * 100))")
CC_VERSION_PATCH = 0
else
CC_VERSION_STRING = $(NULL)
CC_VERSION = 0
endif
ifneq (,$(strip $(FC)))
FC_VERSION_STRING := $(shell $(FC) --version 2> /dev/null | head -n1 | sed "s/..* \([0-9][0-9]*\.[0-9][0-9]*\.*[0-9]*\)[ \S]*.*/\1/")
FC_VERSION_MAJOR = $(shell echo "$(FC_VERSION_STRING)" | cut -d"." -f1)
FC_VERSION_MINOR = $(shell echo "$(FC_VERSION_STRING)" | cut -d"." -f2)
FC_VERSION_PATCH = $(shell echo "$(FC_VERSION_STRING)" | cut -d"." -f3)
endif
ifeq (3,$(words $(FC_VERSION_MAJOR) $(FC_VERSION_MINOR) $(FC_VERSION_PATCH)))
FC_VERSION = $(shell echo "$$(($(FC_VERSION_MAJOR) * 10000 + $(FC_VERSION_MINOR) * 100 + $(FC_VERSION_PATCH)))")
else ifeq (2,$(words $(FC_VERSION_MAJOR) $(FC_VERSION_MINOR)))
FC_VERSION = $(shell echo "$$(($(FC_VERSION_MAJOR) * 10000 + $(FC_VERSION_MINOR) * 100))")
FC_VERSION_PATCH = 0
else
FC_VERSION_STRING = $(NULL)
FC_VERSION = 0
endif
ifneq (,$(strip $(FC)))
ifeq (GNU,$(shell $(FC) --version 2> /dev/null | head -n1 | cut -d" " -f1))
ifneq (0,$(shell echo "$$((40500 > $(FC_VERSION)))"))
ifneq (gfortran,$(notdir $(FC)))
FC = gfortran
FC_VERSION_STRING := $(shell $(FC) --version 2> /dev/null | head -n1 | sed "s/..* \([0-9][0-9]*\.[0-9][0-9]*\.*[0-9]*\)[ \S]*.*/\1/")
FC_VERSION_MAJOR = $(shell echo "$(FC_VERSION_STRING)" | cut -d"." -f1)
FC_VERSION_MINOR = $(shell echo "$(FC_VERSION_STRING)" | cut -d"." -f2)
FC_VERSION_PATCH = $(shell echo "$(FC_VERSION_STRING)" | cut -d"." -f3)
ifeq (3,$(words $(FC_VERSION_MAJOR) $(FC_VERSION_MINOR) $(FC_VERSION_PATCH)))
FC_VERSION = $(shell echo "$$(($(FC_VERSION_MAJOR) * 10000 + $(FC_VERSION_MINOR) * 100 + $(FC_VERSION_PATCH)))")
else ifeq (2,$(words $(FC_VERSION_MAJOR) $(FC_VERSION_MINOR)))
FC_VERSION = $(shell echo "$$(($(FC_VERSION_MAJOR) * 10000 + $(FC_VERSION_MINOR) * 100))")
FC_VERSION_PATCH = 0
else
FC_VERSION = 0
endif
ifneq (0,$(shell echo "$$((40500 > $(FC_VERSION)))"))
# keep FC_VERSION_STRING available for message about outdated compiler
FC_VERSION = 0
FC = $(NULL)
FORTRAN = 0
endif
else
# keep FC_VERSION_STRING available for message about outdated compiler
FC_VERSION = 0
FC = $(NULL)
FORTRAN = 0
endif
endif
else ifneq (0,$(INTEL))
ifneq (0,$(shell echo "$$((130000 > $(FC_VERSION) && 0 < $(FC_VERSION)))"))
FC_VERSION = 0
FC = $(NULL)
FORTRAN = 0
endif
endif
endif
# linker setup
LD = $(CC)
XLD = $(CXX)
ifneq (,$(strip $(FC)))
FLD = $(FC)
else
FLD = $(LD)
endif
# compiler names
CXX_NAME = $(shell $(CXX) --version 2> /dev/null | head -n1 | cut -d" " -f1)
ifeq (,$(strip $(CXX_NAME)))
CXX_NAME = $(basename $(notdir $(CXX)))
endif
CC_NAME = $(shell $(CC) --version 2> /dev/null | head -n1 | cut -d" " -f1)
ifeq (,$(strip $(CC_NAME)))
CC_NAME = $(basename $(notdir $(CC)))
endif
ifneq (,$(strip $(FC)))
FC_NAME = $(firstword $(notdir $(FC)))
endif
ifeq (,$(strip $(FC_NAME)))
FC_NAME = $(basename $(notdir $(FC)))
endif
# native GCC?
GCC ?= 0
ifneq (,$(findstring gcc,$(CC_NAME)))
GCC = 1
else ifeq (GCC,$(shell $(CC) --version 2> /dev/null | head -n1 | sed "s/.* (\(..*\)) .*/\1/"))
GCC = 1
else ifeq (0,$(shell $(CC) --version 2> /dev/null | grep -q "Free Software Foundation"; echo "$$?"))
GCC = 1
endif
ifeq (1,$(GCC))
ifneq (,$(findstring g++,$(CXX_NAME)))
GCC = 2
else ifeq (GCC,$(shell $(CXX) --version 2> /dev/null | head -n1 | sed "s/.* (\(..*\)) .*/\1/"))
GCC = 2
else ifeq (0,$(shell $(CXX) --version 2> /dev/null | grep -q "Free Software Foundation"; echo "$$?"))
GCC = 2
endif
ifeq (2,$(GCC))
ifneq (,$(findstring gfortran,$(FC_NAME)))
GCC = 3
else ifneq (,$(strip $(FC)))
ifeq (GCC,$(shell $(FC) --version 2> /dev/null | head -n1 | sed "s/.* (\(..*\)) .*/\1/"))
GCC = 3
else ifeq (0,$(shell $(FC) --version 2> /dev/null | grep -q "Free Software Foundation"; echo "$$?"))
GCC = 3
endif
endif
endif
endif
# Make GCC version number available even when not using GCC
ifneq (0,$(shell echo "$$((2 <= $(GCC)))"))
GXX_VERSION_STRING = $(CXX_VERSION_STRING)
GXX_VERSION_MAJOR = $(CXX_VERSION_MAJOR)
GXX_VERSION_MINOR = $(CXX_VERSION_MINOR)
GXX_VERSION_PATCH = $(CXX_VERSION_PATCH)
else
GXX = $(notdir $(shell which gcc 2> /dev/null))
ifneq (,$(strip $(GXX)))
GXX_VERSION_STRING = $(shell $(GXX) --version 2> /dev/null | head -n1 | sed "s/..* \([0-9][0-9]*\.[0-9][0-9]*\.*[0-9]*\)[ \S]*.*/\1/")
GXX_VERSION_MAJOR = $(shell echo "$(GXX_VERSION_STRING)" | cut -d"." -f1)
GXX_VERSION_MINOR = $(shell echo "$(GXX_VERSION_STRING)" | cut -d"." -f2)
GXX_VERSION_PATCH = $(shell echo "$(GXX_VERSION_STRING)" | cut -d"." -f3)
endif
endif
ifeq (3,$(words $(GXX_VERSION_MAJOR) $(GXX_VERSION_MINOR) $(GXX_VERSION_PATCH)))
GXX_VERSION = $(shell echo "$$(($(GXX_VERSION_MAJOR) * 10000 + $(GXX_VERSION_MINOR) * 100 + $(GXX_VERSION_PATCH)))")
else ifeq (2,$(words $(GXX_VERSION_MAJOR) $(GXX_VERSION_MINOR)))
GXX_VERSION = $(shell echo "$$(($(GXX_VERSION_MAJOR) * 10000 + $(GXX_VERSION_MINOR) * 100))")
GXX_VERSION_PATCH = 0
else
GXX_VERSION_STRING = $(NULL)
GXX_VERSION = 0
endif
# Too many ICEs with Clang hence we want to know if we are on Clang
ifeq (0,$(GCC)) # not GCC
ifeq (0,$(INTEL)) # not Intel
ifeq (0,$(shell $(CC) -dM -E - < /dev/null 2> /dev/null | grep -q "__clang__"; echo "$$?"))
CLANG = 1
endif
endif
endif
CLANG ?= 0
# Select code path (if not selected otherwise)
CPUFLAGS = $(strip $(shell if [ -e /proc/cpuinfo ]; then \
grep -m1 flags /proc/cpuinfo | cut -d: -f2-; \
elif [ "Darwin" = "$(UNAME)" ]; then \
sysctl -a machdep.cpu.features \
machdep.cpu.extfeatures \
machdep.cpu.leaf7_features \
| cut -d: -f2- | tr "\n" " " | tr [:upper:] [:lower:]; \
fi))
SSE ?= 0
ifeq (0,$(SSE))
ifeq (1,$(words $(filter avx512f,$(CPUFLAGS))))
AVX ?= 3
SSE = 0
ifneq (0,$(words $(filter avx512er,$(CPUFLAGS)))) # KNL
MIC ?= 1
else # SKX
MIC ?= 0
endif
else ifeq (2,$(words $(filter avx2 fma,$(CPUFLAGS))))
AVX ?= 2
SSE = 0
else ifeq (1,$(words $(filter avx avx1.0,$(CPUFLAGS))))
AVX ?= 1
SSE = 0
endif
else ifeq (1,$(SSE))
ifeq (1,$(words $(filter sse4_2 sse4.2,$(CPUFLAGS))))
SSE = 4
else ifeq (1,$(words $(filter sse3,$(CPUFLAGS))))
SSE = 3
else #ifeq (,$(SSE))
SSE = 0
endif
else ifneq (0,$(KNC))
MPSS = 1
endif
AVX ?= 0
ifneq (0,$(INTEL))
SUITE = Intel Compiler
else ifneq (0,$(GCC))
SUITE = GNU Compiler Collection
else
SUITE = Compiler
ifeq (0,$(CLANG))
COMPATIBLE ?= 1
endif
ifneq (0,$(COMPATIBLE))
ifeq (Cray,$(shell $(CC) -V 2>&1 | head -n1 | cut -d' ' -f1))
LDFLAGS += -hsystem_alloc
CRAY ?= 1
endif
endif
endif
CRAY ?= 0
# Avoid more sophisticated flags of the GCC tool chain,
# and improve compatibility with compilers supposed to be
# compatible with the GCC tool chain
COMPATIBLE ?= 0
ifneq (0,$(INTEL))
AR ?= xiar
CXXLDFLAGS += $(XLIB_BEGIN) -lc $(XLIB_END)
FCLDFLAGS += $(XLIB_BEGIN) -lc -lstdc++ $(XLIB_END)
CLDFLAGS += $(XLIB_BEGIN) -lstdc++ $(XLIB_END)
CXXFLAGS += -f$(PIC) -Wall -diag-disable 1879,3415,10006,10010,10411,13003
CFLAGS += -f$(PIC) -Wall -diag-disable 1879,3415,10006,10010,10411,13003
LDFLAGS += -f$(PIC) -diag-disable 1879,3415,10006,10010,10411
FCFLAGS += -f$(PIC) -diag-disable 10006,10010,10411,13003
ifneq (0,$(THREADS))
FCMTFLAGS += -threads
endif
CPEDANTIC += -Wcheck -diag-disable 177,1419,2547,10382
FPEDANTIC += -warn all,notruncated_source -diag-disable 7025,7373,10237,10342,10382
CWARNEXTRA = -Wremarks
ifeq (1,$(PEDANTIC))
FSTD = -std03
CSTD = -std=c99
CXXFLAGS += -Wcheck
CFLAGS += $(CSTD) -Wcheck
FMFLAGS += $(FSTD) $(FPEDANTIC) -diag-disable 10010
FCFLAGS += -free
else ifneq (0,$(PEDANTIC))
FSTD = -std03
CSTD = -std=c89
CXXFLAGS += $(CPEDANTIC)
CFLAGS += $(CSTD) $(CPEDANTIC) $(CWARNEXTRA)
FCFLAGS += $(FSTD) $(FPEDANTIC)
FMFLAGS += -fixed
else
CSTD = -std=c89
FCFLAGS += -free
endif
# flag specifying output directory must be last
FMFLAGS += -module
ifeq (0,$(DBG))
# consider more accurate -fp-model (C/C++: precise, Fortran: source)
CXXFLAGS += $(OPTFLAG) -fno-alias -ansi-alias -qoverride_limits -fp-model fast=2
CFLAGS += $(OPTFLAG) -fno-alias -ansi-alias -qoverride_limits -fp-model fast=2
FCFLAGS += $(OPTFLAG) -qoverride_limits -fp-model fast=2
ifneq (0,$(shell echo "$$((130000 <= $(FC_VERSION)))"))
FCFLAGS += -align array64byte
endif
ifneq (0,$(IPO))
CXXFLAGS += -ipo
CFLAGS += -ipo
FCFLAGS += -ipo
endif
ifneq (0,$(INSTRUMENT))
SYM = $(INSTRUMENT)
else ifeq (0,$(shell echo "$$((0 > $(SYM)))"))
DFLAGS += -DNDEBUG
else
DFLAGS += -D_DEBUG
endif
else # debugging enabled
ifneq (0,$(shell echo "$$((1 < $(DBG) || 0 > $(DBG)))"))
DFLAGS += -D_DEBUG
endif
CXXFLAGS += -O0
CFLAGS += -O0
FCFLAGS += -O0 -check
SYM = $(DBG)
endif
ifneq (0,$(INSTRUMENT))
CXXFLAGS += -finstrument-functions
CFLAGS += -finstrument-functions
FCFLAGS += -finstrument-functions
DFLAGS += -D__TRACE=$(INSTRUMENT)
endif
ifneq (0,$(TRACE))
ifneq (0,$(DEPSTATIC))
ifneq (Darwin,$(UNAME))
ifneq (Windows_NT,$(UNAME))
LDFLAGS += -Wl,--export-dynamic
endif
endif
endif
endif
ifneq (0,$(shell echo "$$((3 > $(DBG)))"))
ifeq (0,$(COMPATIBLE))
ifneq (,$(filter environment% override command%,$(origin COMPATIBLE)))
ifeq (3,$(AVX))
ifeq (0,$(MIC))
ifneq (file,$(origin MIC))
CTARGET = -xCORE-AVX512
else
CTARGET = -xCOMMON-AVX512
endif
else
CTARGET = -xMIC-AVX512
endif
else ifeq (2,$(AVX))
CTARGET = -xCORE-AVX2
else ifeq (1,$(AVX))
CTARGET = -xAVX
else ifneq (0,$(SSE))
ifeq (1,$(SSE)) # default
CTARGET = -xSSE4.2
else ifeq (3,$(SSE))
ifneq (Darwin,$(UNAME))
CTARGET = -xSSE3
else # no systems with less than SSE4.2
CTARGET = -xSSE4.2
endif
else ifeq (4,$(SSE))
CTARGET = -xSSE4.2
else
CTARGET = -xSSE$(SSE)
endif
else ifneq (0,$(AVX))
CTARGET = -xHost
endif
endif
endif
ifeq (3,$(AVX))
ifneq (,$(MIC)) # specified
ifneq (0,$(MIC)) # MIC
CTARGET = -xMIC-AVX512
else # SKX
CTARGET = -xCORE-AVX512
endif
else
CTARGET = -xCOMMON-AVX512
endif
else ifeq (2,$(AVX))
CTARGET = -march=core-avx2
endif
endif
ifneq (0,$(SYM))
ifeq (1,$(SYM))
CXXFLAGS := -g $(CXXFLAGS)
CFLAGS := -g $(CFLAGS)
FCFLAGS := -g -traceback $(FCFLAGS)
else
CXXFLAGS := -g3 -gdwarf-2 -debug inline-debug-info $(CXXFLAGS)
CFLAGS := -g3 -gdwarf-2 -debug inline-debug-info $(CFLAGS)
FCFLAGS := -g -traceback $(FCFLAGS)
endif
endif
ifeq (0,$(EXP))
CXXFLAGS += -fno-exceptions
endif
OMPFLAG = -fopenmp
ifeq (,$(strip $(OMPRT)))
OMPRT = iomp5
endif
ifneq (0,$(OMP))
CXXFLAGS += $(OMPFLAG)
CFLAGS += $(OMPFLAG)
FCFLAGS += $(OMPFLAG)
LDFLAGS += $(OMPFLAG)
endif
ifeq (1,$(STATIC))
SLDFLAGS += -no-intel-extensions -static-intel -static-libgcc -static-libstdc++
DFLAGS += -D__STATIC=1
else ifneq (0,$(STATIC))
DFLAGS += -D__STATIC=$(STATIC)
SLDFLAGS += -static
endif
ifneq (,$(strip $(R8)))
ifneq (0,$(R8))
FCFLAGS += -autodouble
endif
endif
else # GCC assumed
FCLDFLAGS += $(XLIB_BEGIN) -lc -lstdc++ $(XLIB_END)
LIBGFORTRAN = $(shell $(FLD) $(SLDFLAGS) -lgfortran -Wl,-t 2> /dev/null | grep gfortran)
ifneq (,$(shell echo "$(LIBGFORTRAN)"))
ifneq (,$(shell echo "$(LIBGFORTRAN)" | grep succeeded))
LIBGFORTRAN := $(abspath $(shell echo "$(LIBGFORTRAN)" | grep succeeded | sed "s/..* (\(..*\)).*/\1/" | head -n1))
else
LIBGFORTRAN := $(abspath $(shell echo "$(LIBGFORTRAN)" | sed "s/..* (\(..*\)).*/\1/" | head -n1))
endif
LDFLAGS := $(LDFLAGS) $(call abslibpath,$(LIBGFORTRAN))
CXXLDFLAGS += $(XLIB_BEGIN) -lc $(call abslibfile,$(LIBGFORTRAN)) -lm $(XLIB_END)
CLDFLAGS += $(XLIB_BEGIN) -lstdc++ $(call abslibfile,$(LIBGFORTRAN)) -lm $(XLIB_END)
else
CXXLDFLAGS += $(XLIB_BEGIN) -lc $(XLIB_END)
CLDFLAGS += $(XLIB_BEGIN) -lstdc++ $(XLIB_END)
endif
ifeq (0,$(COMPATIBLE))
CXXFLAGS += -Wall -Wno-unused-function -Wno-attributes
CFLAGS += -Wall -Wno-unused-function -Wno-attributes
endif
ifneq (Windows_NT,$(UNAME))
CXXFLAGS += -f$(PIC)
CFLAGS += -f$(PIC)
FCFLAGS += -f$(PIC)
LDFLAGS += -f$(PIC)
endif
ifeq (0,$(COMPATIBLE))
FSTD = -std=f2003
CPEDANTIC += -pedantic -Wno-overlength-strings -Wno-variadic-macros
FPEDANTIC += -pedantic -Wunused-variable \
-Wcharacter-truncation -Wline-truncation \
-Wconversion -Wconversion-extra -Wextra \
-Wimplicit-interface -Wimplicit-procedure \
-Wintrinsics-std -Wreal-q-constant
ifneq (0,$(shell echo "$$((50000 <= $(FC_VERSION)))"))
FWARNEXTRA = -Wuse-without-only -Wc-binding-type \
-Wrealloc-lhs -Wrealloc-lhs-all
endif
FPEDANTIC += $(FWARNEXTRA)
endif
ifeq (0,$(COMPATIBLE))
ifeq (1,$(PEDANTIC))
CSTD = -std=c99
CXXFLAGS += $(CPEDANTIC) -Wno-long-long
CFLAGS += $(CSTD) $(CPEDANTIC)
FCFLAGS += -ffree-form
FMFLAGS += $(FSTD) -pedantic -Wunused-variable $(FWARNEXTRA)
else ifneq (0,$(PEDANTIC))
ifneq (Darwin,$(UNAME))
CPEDANTIC += -Wno-long-long
CSTD = -std=c89
else ifneq (0,$(shell echo "$$((1 <= $(GCC)))"))
CPEDANTIC += -Wno-long-long
CSTD = -std=c89
else # Clang may run into ICEs under OSX
CSTD = -std=c99
endif
CXXFLAGS += $(CPEDANTIC) -Wno-long-long
CFLAGS += $(CSTD) $(CPEDANTIC)
FCFLAGS += $(FSTD) $(FPEDANTIC)
else ifeq (0,$(COMPATIBLE))
CPEDANTIC += -Wno-long-long
FCFLAGS += -ffree-form
CSTD = -std=c89
endif
# flag specifying output directory must be last
FMFLAGS += -J
else # fallback
FMFLAGS += -I
endif
ifeq (0,$(DBG))
CXXFLAGS += $(OPTFLAG)
CFLAGS += $(OPTFLAG)
FCFLAGS += $(OPTFLAG)
ifeq (0,$(COMPATIBLE))
CXXFLAGS += -funroll-loops -ftree-vectorize
CFLAGS += -funroll-loops -ftree-vectorize
FCFLAGS += -funroll-loops -ftree-vectorize
ifneq (Darwin,$(UNAME))
CXXFLAGS += -fdata-sections -ffunction-sections
CFLAGS += -fdata-sections -ffunction-sections
FCFLAGS += -fdata-sections -ffunction-sections
LDFLAGS += -Wl,--gc-sections
endif
ifneq (0,$(GCC))
CXXFLAGS += -ffast-math
CFLAGS += -ffast-math
FCFLAGS += -ffast-math
ifneq (0,$(shell echo "$$((40900 <= $(GXX_VERSION)))"))
DFLAGS += -DLIBXSMM_OPENMP_SIMD
CXXFLAGS += -fopenmp-simd
CFLAGS += -fopenmp-simd
FCFLAGS += -fopenmp-simd
endif
else ifneq (3,$(AVX))
CXXFLAGS += -ffast-math
CFLAGS += -ffast-math
FCFLAGS += -ffast-math
endif
endif
ifneq (0,$(IPO))
CXXFLAGS += -flto -ffat-lto-objects
CFLAGS += -flto -ffat-lto-objects
FCFLAGS += -flto -ffat-lto-objects
FLDFLAGS += -fno-lto
LDFLAGS += -flto
endif
ifneq (0,$(INSTRUMENT))
SYM = $(INSTRUMENT)
else ifeq (0,$(shell echo "$$((0 > $(SYM)))"))
DFLAGS += -DNDEBUG
else
DFLAGS += -D_DEBUG
endif
else
ifneq (0,$(shell echo "$$((1 < $(DBG) || 0 > $(DBG)))"))
DFLAGS += -D_DEBUG
endif
CXXFLAGS += -O0
CFLAGS += -O0
FCFLAGS += -O0
SYM = $(DBG)
endif
ifneq (0,$(INSTRUMENT))
CXXFLAGS += -finstrument-functions
CFLAGS += -finstrument-functions
FCFLAGS += -finstrument-functions
# e.g. clang does not need/understand below flag
ifneq (0,$(shell echo "$$((1 <= $(GCC)))"))
CFLAGS += -finstrument-functions-exclude-function-list=_mm_,_mm256_,_mm512_,__rdtsc
ifneq (0,$(shell echo "$$((2 <= $(GCC)))"))
CXXFLAGS += -finstrument-functions-exclude-function-list=_mm_,_mm256_,_mm512_,__rdtsc
ifneq (0,$(shell echo "$$((3 <= $(GCC)))"))
FCFLAGS += -finstrument-functions-exclude-function-list=_mm_,_mm256_,_mm512_,__rdtsc
endif
endif
endif
DFLAGS += -D__TRACE=$(INSTRUMENT)
endif
ifneq (0,$(TRACE))
ifeq (Windows_NT,$(UNAME))
LDFLAGS += -ldbghelp
endif
ifneq (0,$(DEPSTATIC))
ifneq (Darwin,$(UNAME))
ifneq (Windows_NT,$(UNAME))
LDFLAGS += -Wl,--export-dynamic
endif
endif
endif
endif
ifneq (0,$(SYM))
ifeq (1,$(SYM))
CXXFLAGS := -g $(CXXFLAGS)
CFLAGS := -g $(CFLAGS)
FCFLAGS := -g $(FCFLAGS)
else ifeq (2,$(SYM))
CXXFLAGS := -g $(CXXFLAGS) -fsanitize=thread -fno-omit-frame-pointer
CFLAGS := -g $(CFLAGS) -fsanitize=thread -fno-omit-frame-pointer
FCFLAGS := -g $(FCFLAGS) -fsanitize=thread -fno-omit-frame-pointer
LDFLAGS := -g $(LDFLAGS) -fsanitize=thread -ltsan -fno-omit-frame-pointer
#ELDFLAGS := -pie
else
CXXFLAGS := -g3 -gdwarf-2 $(CXXFLAGS)
CFLAGS := -g3 -gdwarf-2 $(CFLAGS)
FCFLAGS := -g $(FCFLAGS)
endif
endif
ifeq (0,$(EXP))
CXXFLAGS += -fno-exceptions
endif
ifeq (0,$(COMPATIBLE))
ifneq (0,$(shell echo "$$((1 <= $(GCC)))"))
OMPFLAG = -fopenmp
endif
endif
ifeq (,$(OMPFLAG))
ifneq (,$(filter environment% override command%,$(origin OMP)))
OMPFLAG = -fopenmp
endif
endif
# account for missing TLS/OMP
ifeq (,$(OMPFLAG))
THREADS ?= 0
OMP = 0
endif
ifeq (,$(strip $(OMPRT)))
OMPRT = gomp
endif
ifneq (0,$(OMP))
ifneq (,$(OMPFLAG))
# clang: OMP=libomp
ifneq (0,$(shell echo "$(OMP)" | grep -q "^-*[0-9]\+$$"; echo "$$?")) # NaN
CXXFLAGS += $(OMPFLAG)=$(OMP)
CFLAGS += $(OMPFLAG)=$(OMP)
# omit passing special OMP into Fortran compiler
FCFLAGS += $(OMPFLAG)
CLDFLAGS += $(OMPFLAG)=$(OMP)
else ifneq (0,$(shell $(LD) $(SLDFLAGS) -l$(OMPRT) 2>&1 | grep -q "\-l$(OMPRT)"; echo "$$?"))
CXXFLAGS += $(OMPFLAG)
CFLAGS += $(OMPFLAG)
FCFLAGS += $(OMPFLAG)
LDFLAGS += $(OMPFLAG)
endif
endif
endif
ifneq (0,$(STATIC))
DFLAGS += -D__STATIC=$(STATIC)
ifeq (0,$(shell $(LD) -static -ldummydoesnotexist 2>&1 | grep -q "\-ldummydoesnotexist"; echo "$$?"))
SLDFLAGS += -static
endif
endif
ifneq (,$(strip $(R8)))
ifneq (0,$(R8))
FCFLAGS += -fdefault-real-8 -fdefault-double-8
endif
endif
endif
ifeq (,$(CTARGET))
ifneq (0,$(shell echo "$$((3 > $(DBG)))"))
ifneq (0,$(shell echo "$$((2 <= $(AVX)))"))
ifeq (3,$(AVX))
ifneq (0,$(shell echo "$$((0 == $(CLANG) || 30500 <= $(CC_VERSION) || 0 == $(CC_VERSION)))"))
ifeq (0,$(shell $(CC) -E -mavx512f -mavx512cd /dev/null 2> /dev/null > /dev/null; echo $$?))
CTARGET = -mavx512f -mavx512cd
# fix for Clang
CTARGET += -mfma
ifneq (,$(MIC)) # specified
ifneq (0,$(MIC)) # MIC
ifeq (0,$(shell $(CC) -E -mavx512pf -mavx512er /dev/null 2> /dev/null > /dev/null; echo $$?))
CTARGET += -mavx512pf -mavx512er
endif
else # SKX
ifeq (0,$(shell $(CC) -E -mavx512dq -mavx512bw -mavx512vl /dev/null 2> /dev/null > /dev/null; echo $$?))
CTARGET += -mavx512dq -mavx512bw -mavx512vl
#CTARGET += -mavx512ifma -mavx512vbmi
endif
endif
endif
endif
endif
endif
ifeq (,$(CTARGET)) # fall-back to AVX2
CTARGET = -march=core-avx2
endif
else ifeq (1,$(AVX))
CTARGET = -mavx
else ifneq (0,$(SSE))
ifeq (1,$(SSE)) # default
CTARGET = -msse4.2
else ifeq (2,$(SSE))
# implicitly present (64-bit ABI)
else ifeq (3,$(SSE))
ifneq (Darwin,$(UNAME))
CTARGET = -msse3
else
# prevents Clang backend error with CRC32/other instructions
CTARGET = -msse4.2
endif
else ifeq (4,$(SSE))
CTARGET = -msse4.2
else # perhaps better to use TARGET flag directly
CTARGET = -msse$(SSE)
endif
else ifneq (0,$(AVX))
CTARGET = -march=native
endif
endif
endif
# take user's TARGET into account
ifneq (undefined,$(origin TARGET))
CTARGET = $(TARGET)
endif
# check target flags by feeding an ad-hoc C program into the compiler
ifneq (0,$(shell CINFILE=$$(mktemp /tmp/.libxsmm_XXXXXX-c.c); \
echo "int main(void) { return 0; }" > $${CINFILE}; \
CTEST=$$($(CC) $(CTARGET) -c $${CINFILE} 2>&1); \
if [ "" = "$${CTEST}" ]; then echo $$?; else echo 1; fi; \
rm -f /tmp/.libxsmm_??????-c.c .libxsmm_??????-c.o* 2> /dev/null))
# revoke target flags
CTARGET = $(NULL)
endif
ifneq (,$(strip $(FC))) # check target flags by feeding an ad-hoc Fortran program into the compiler
ifeq (0,$(shell FINFILE=$$(mktemp /tmp/.libxsmm_XXXXXX-f.f); \
echo " PROGRAM test" > $${FINFILE}; \
echo " END PROGRAM" >> $${FINFILE}; \
FTEST=$$($(FC) $(CTARGET) -c $${FINFILE} 2>&1); \
if [ "" = "$${FTEST}" ]; then echo $$?; else echo 1; fi; \
rm -f /tmp/.libxsmm_??????-f.f .libxsmm_??????-f.o* 2> /dev/null))
# inherit CTARGET flags
FTARGET = $(CTARGET)
endif
endif
ifneq (0,$(THREADS))
DFLAGS += -D_REENTRANT
ifeq (0,$(COMPATIBLE))
CXXFLAGS += -pthread
CFLAGS += -pthread
FLDFLAGS += -lpthread
ifneq (Windows_NT,$(UNAME))
ifneq (Darwin,$(UNAME))
CLDFLAGS += -pthread
else ifeq (0,$(CLANG))
CLDFLAGS += -pthread
endif
endif
endif
else
DFLAGS += -DLIBXSMM_NO_SYNC
endif
ifeq (0,$(VLA))
DFLAGS += -DLIBXSMM_NO_VLA
endif
# Information which can be displayed by the actual Makefile