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bdd46f9ee88057d52610161966a11c224e5a026c
blis/common.mk
Field G. Van Zee bdd46f9ee8 Rewrote reference kernels to use #pragma omp simd. 
Details:
- Rewrote level-1v, -1f, and -3 reference kernels in terms of simplified
  indexing annotated by the #pragma omp simd directive, which a compiler
  can use to vectorize certain constant-bounded loops. (The new kernels
  actually use _Pragma("omp simd") since the kernels are defined via
  templatizing macros.) Modest speedup was observed in most cases using
  gcc 5.4.0, which may improve with newer versions. Thanks to Devin
  Matthews for suggesting this via issue #286 and #259.
- Updated default blocksizes defined in ref_kernels/bli_cntx_ref.c to
  be 4x16, 4x8, 4x8, and 4x4 for single, double, scomplex and dcomplex,
  respectively, with a default row preference for the gemm ukernel. Also
  updated axpyf, dotxf, and dotxaxpyf fusing factors to 8, 6, and 4,
  respectively, for all datatypes.
- Modified configure to verify that -fopenmp-simd is a valid compiler
  option (via a new detect/omp_simd/omp_simd_detect.c file).
- Added a new header in which prefetch macros are defined according to
  which compiler is detected (via macros such as __GNUC__). These
  prefetch macros are not yet employed anywhere, though.
- Updated the year in copyrights of template license headers in
  build/templates and removed AMD as a default copyright holder.
2019-01-24 17:23:18 -06:00

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Makefile
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#
#
# BLIS
# An object-based framework for developing high-performance BLAS-like
# libraries.
#
# Copyright (C) 2014, The University of Texas at Austin
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
# - Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# - 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.
# - Neither the name(s) of the copyright holder(s) 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.
#
#
# Only include this block of code once
ifndef COMMON_MK_INCLUDED
COMMON_MK_INCLUDED := yes
#
# --- CFLAGS storage functions -------------------------------------------------
#
# Define a function that stores the value of a variable to a different
# variable containing a specified suffix (corresponding to a configuration).
define store-var-for
$(strip $(1)).$(strip $(2)) := $($(strip $(1)))
endef
# Define a function similar to store-var-for, except that appends instead
# of overwriting.
define append-var-for
$(strip $(1)).$(strip $(2)) += $($(strip $(1)))
endef
# Define a function that stores the value of all of the variables in a
# make_defs.mk file to other variables with the configuration (the
# argument $(1)) added as a suffix. This function is called once from
# each make_defs.mk. Also, add the configuration to CONFIGS_INCL.
define store-make-defs
$(eval $(call store-var-for,CC, $(1)))
$(eval $(call store-var-for,CC_VENDOR, $(1)))
$(eval $(call store-var-for,CPPROCFLAGS,$(1)))
$(eval $(call store-var-for,CLANGFLAGS, $(1)))
$(eval $(call store-var-for,CXXLANGFLAGS,$(1)))
$(eval $(call store-var-for,CMISCFLAGS, $(1)))
$(eval $(call store-var-for,CPICFLAGS, $(1)))
$(eval $(call store-var-for,CWARNFLAGS, $(1)))
$(eval $(call store-var-for,CDBGFLAGS, $(1)))
$(eval $(call store-var-for,COPTFLAGS, $(1)))
$(eval $(call store-var-for,CKOPTFLAGS, $(1)))
$(eval $(call store-var-for,CKVECFLAGS, $(1)))
$(eval $(call store-var-for,CROPTFLAGS, $(1)))
$(eval $(call store-var-for,CRVECFLAGS, $(1)))
CONFIGS_INCL += $(1)
endef
# Define a function that retreives the value of a variable for a
# given configuration.
define load-var-for
$($(strip $(1)).$(strip $(2)))
endef
#
# --- CFLAGS query functions ---------------------------------------------------
#
# Define some functions that return the appropriate CFLAGS for a given
# configuration. This assumes that the make_defs.mk files have already been
# included, which results in those values having been stored to
# configuration-qualified variables.
get-noopt-cflags-for = $(strip $(CFLAGS_PRESET) \
$(call load-var-for,CDBGFLAGS,$(1)) \
$(call load-var-for,CWARNFLAGS,$(1)) \
$(call load-var-for,CPICFLAGS,$(1)) \
$(call load-var-for,CMISCFLAGS,$(1)) \
$(call load-var-for,CLANGFLAGS,$(1)) \
$(call load-var-for,CPPROCFLAGS,$(1)) \
$(CTHREADFLAGS) \
$(CINCFLAGS) $(VERS_DEF) \
)
get-noopt-cxxflags-for = $(strip $(CFLAGS_PRESET) \
$(call load-var-for,CDBGFLAGS,$(1)) \
$(call load-var-for,CWARNFLAGS,$(1)) \
$(call load-var-for,CPICFLAGS,$(1)) \
$(call load-var-for,CMISCFLAGS,$(1)) \
$(call load-var-for,CXXLANGFLAGS,$(1)) \
$(call load-var-for,CPPROCFLAGS,$(1)) \
$(CTHREADFLAGS) \
$(CINCFLAGS) $(VERS_DEF) \
)
get-refinit-cflags-for = $(strip $(call load-var-for,COPTFLAGS,$(1)) \
$(call get-noopt-cflags-for,$(1)) \
-DBLIS_CNAME=$(1) \
$(BUILD_FLAGS) \
)
get-refkern-cflags-for = $(strip $(call load-var-for,CROPTFLAGS,$(1)) \
$(call load-var-for,CRVECFLAGS,$(1)) \
$(call get-noopt-cflags-for,$(1)) \
$(COMPSIMDFLAGS) \
-DBLIS_CNAME=$(1) \
$(BUILD_FLAGS) \
)
get-config-cflags-for = $(strip $(call load-var-for,COPTFLAGS,$(1)) \
$(call get-noopt-cflags-for,$(1)) \
$(BUILD_FLAGS) \
)
get-frame-cflags-for = $(strip $(call load-var-for,COPTFLAGS,$(1)) \
$(call get-noopt-cflags-for,$(1)) \
$(BUILD_FLAGS) \
)
get-kernel-cflags-for = $(strip $(call load-var-for,CKOPTFLAGS,$(1)) \
$(call load-var-for,CKVECFLAGS,$(1)) \
$(call get-noopt-cflags-for,$(1)) \
$(BUILD_FLAGS) \
)
# When compiling sandboxes, we use flags similar to those of general framework
# source. This ensures that the same code can be linked and run across various
# sub-configurations. (If we switch to using refkern/kernel flags, we should
# prevent enabling sandboxes for umbrella families by verifying that
# config_list == config_name if --enable-sandbox is given.)
get-sandbox-c99flags-for = $(strip $(call load-var-for,COPTFLAGS,$(1)) \
$(call get-noopt-cflags-for,$(1)) \
$(CSBOXINCFLAGS) \
$(BUILD_FLAGS) \
)
get-sandbox-cxxflags-for = $(strip $(call load-var-for,COPTFLAGS,$(1)) \
$(call get-noopt-cxxflags-for,$(1)) \
$(CSBOXINCFLAGS) \
$(BUILD_FLAGS) \
)
# Define a separate function that will return appropriate flags for use by
# applications that want to use the same basic flags as those used when BLIS
# was compiled. (This is the same as get-frame-cflags-for(), except that it
# omits the BUILD_FLAGS, which are exclusively for use when BLIS is being
# compiled.)
get-user-cflags-for = $(strip $(call load-var-for,COPTFLAGS,$(1)) \
$(call get-noopt-cflags-for,$(1)) \
)
# Define functions that return messages appropriate for each non-verbose line
# of compilation output.
get-noopt-text = "(CFLAGS for no optimization)"
get-refinit-text-for = "('$(1)' CFLAGS for ref. kernel init)"
get-refkern-text-for = "('$(1)' CFLAGS for ref. kernels)"
get-config-text-for = "('$(1)' CFLAGS for config code)"
get-frame-text-for = "('$(1)' CFLAGS for framework code)"
get-kernel-text-for = "('$(1)' CFLAGS for kernels)"
get-sandbox-c99text-for = "('$(1)' CFLAGS for sandboxes)"
get-sandbox-cxxtext-for = "('$(1)' CXXFLAGS for sandboxes)"
#
# --- Miscellaneous helper functions -------------------------------------------
#
# Define functions that filters a list of filepaths $(1) that contain (or
# omit) an arbitrary substring $(2).
files-that-contain = $(strip $(foreach f, $(1), $(if $(findstring $(2),$(f)),$(f),)))
files-that-dont-contain = $(strip $(foreach f, $(1), $(if $(findstring $(2),$(f)),,$(f))))
#
# --- Include makefile configuration file --------------------------------------
#
# Use the current directory as the default path to the root directory for
# makefile fragments (and the configuration family's make_defs.mk), but
# allow the includer to override this value if it needs to point to an
# installation directory.
ifeq ($(strip $(SHARE_PATH)),)
SHARE_PATH := .
endif
# Define the name of the configuration file.
CONFIG_MK_FILE := config.mk
# Identify the base path for the root directory for makefile fragments (and
# the configuration family's make_defs.mk). We define this path in terms of
# SHARE_PATH, which gets a default value above (which is what happens for the
# top-level Makefile). If SHARE_PATH is specified by the Makefile prior to
# including common.mk, that path is used instead. This allows Makefiles for
# example code and test drivers to reference an installed prefix directory
# for situations when the build directory no longer exists.
BASE_SHARE_PATH := $(SHARE_PATH)
# Include the configuration file.
-include $(BASE_SHARE_PATH)/$(CONFIG_MK_FILE)
#
# --- Handle 'make clean' and friends without config.mk ------------------------
#
# Detect whether we actually got the configuration file. If we didn't, then
# it is likely that the user has not yet generated it (via configure).
ifeq ($(strip $(CONFIG_MK_INCLUDED)),yes)
CONFIG_MK_PRESENT := yes
IS_CONFIGURED := yes
else
CONFIG_MK_PRESENT := no
IS_CONFIGURED := no
endif
# If we didn't get config.mk, then we need to set some basic variables so
# that make will function without error for things like 'make clean'.
ifeq ($(IS_CONFIGURED),no)
# If this makefile fragment is being run and there is no config.mk present,
# then it's probably safe to assume that the user is currently located in the
# source distribution.
DIST_PATH := .
# Even though they won't be used explicitly, it appears that setting these
# INSTALL_* variables to something sane (that is, not allowing them default
# to the empty string) is necessary to prevent make from hanging, likely
# because the statements that define UNINSTALL_LIBS and UNINSTALL_HEADERS,
# when evaluated, result in running 'find' on the root directory--definitely
# something we would like to avoid.
INSTALL_LIBDIR := $(HOME)/blis/lib
INSTALL_INCDIR := $(HOME)/blis/include
INSTALL_SHAREDIR := $(HOME)/blis/share
endif
#
# --- Primary makefile variable definitions ------------------------------------
#
# Construct the architecture-version string, which will be used to name the
# library upon installation.
VERS_CONF := $(VERSION)-$(CONFIG_NAME)
# All makefile fragments in the tree will have this name.
FRAGMENT_MK := .fragment.mk
# Locations of important files.
BUILD_DIR := build
CONFIG_DIR := config
FRAME_DIR := frame
REFKERN_DIR := ref_kernels
KERNELS_DIR := kernels
SANDBOX_DIR := sandbox
OBJ_DIR := obj
LIB_DIR := lib
INCLUDE_DIR := include
BLASTEST_DIR := blastest
TESTSUITE_DIR := testsuite
# The filename suffix for reference kernels.
REFNM := ref
# Source suffixes.
CONFIG_SRC_SUFS := c
KERNELS_SRC_SUFS := c s S
FRAME_SRC_SUFS := c
SANDBOX_C99_SUFS := c
SANDBOX_CXX_SUFS := cc cpp cxx
SANDBOX_SRC_SUFS := $(SANDBOX_C99_SUFS) $(SANDBOX_CXX_SUFS)
# Header suffixes.
FRAME_HDR_SUFS := h
SANDBOX_H99_SUFS := h
SANDBOX_HXX_SUFS := hh hpp hxx
SANDBOX_HDR_SUFS := $(SANDBOX_H99_SUFS) $(SANDBOX_HXX_SUFS)
# Combine all header suffixes and remove duplicates via sort().
ALL_HDR_SUFS := $(sort $(FRAME_HDR_SUFS) \
$(SANDBOX_HDR_SUFS) )
ALL_H99_SUFS := $(sort $(FRAME_HDR_SUFS) \
$(SANDBOX_H99_SUFS) )
# The names of scripts that check output from the BLAS test drivers and
# BLIS test suite.
BLASTEST_CHECK := check-blastest.sh
TESTSUITE_CHECK := check-blistest.sh
# The names of the testsuite input/configuration files.
TESTSUITE_CONF_GEN := input.general
TESTSUITE_CONF_OPS := input.operations
TESTSUITE_FAST_GEN := input.general.fast
TESTSUITE_FAST_OPS := input.operations.fast
TESTSUITE_MIXD_GEN := input.general.mixed
TESTSUITE_MIXD_OPS := input.operations.mixed
TESTSUITE_SALT_GEN := input.general.salt
TESTSUITE_SALT_OPS := input.operations.salt
TESTSUITE_OUT_FILE := output.testsuite
# CHANGELOG file.
CHANGELOG := CHANGELOG
# Something for OS X so that echo -n works as expected.
SHELL := bash
# Construct paths to the four primary directories of source code:
# the config directory, general framework code, reference kernel code,
# and optimized kernel code.
CONFIG_PATH := $(DIST_PATH)/$(CONFIG_DIR)
FRAME_PATH := $(DIST_PATH)/$(FRAME_DIR)
REFKERN_PATH := $(DIST_PATH)/$(REFKERN_DIR)
KERNELS_PATH := $(DIST_PATH)/$(KERNELS_DIR)
SANDBOX_PATH := $(DIST_PATH)/$(SANDBOX_DIR)
# Construct paths to the makefile fragments for the four primary directories
# of source code: the config directory, general framework code, reference
# kernel code, and optimized kernel code.
CONFIG_FRAG_PATH := ./obj/$(CONFIG_NAME)/$(CONFIG_DIR)
FRAME_FRAG_PATH := ./obj/$(CONFIG_NAME)/$(FRAME_DIR)
REFKERN_FRAG_PATH := ./obj/$(CONFIG_NAME)/$(REFKERN_DIR)
KERNELS_FRAG_PATH := ./obj/$(CONFIG_NAME)/$(KERNELS_DIR)
SANDBOX_FRAG_PATH := ./obj/$(CONFIG_NAME)/$(SANDBOX_DIR)
#
# --- Library name and local paths ---------------------------------------------
#
# Use lib/CONFIG_NAME as the default path to the local header files, but
# allow the includer to override this value if it needs to point to an
# installation directory.
ifeq ($(strip $(LIB_PATH)),)
LIB_PATH := $(LIB_DIR)/$(CONFIG_NAME)
endif
# Identify the base path for the intermediate library directory. We define
# this path in terms of LIB_PATH, which gets a default value above (which is
# what happens for the top-level Makefile). If LIB_PATH is specified by the
# Makefile prior to including common.mk, that path is used instead. This
# allows Makefiles for example code and test drivers to reference an installed
# prefix directory for situations when the build directory no longer exists.
BASE_LIB_PATH := $(LIB_PATH)
# The base name of the BLIS library that we will build.
LIBBLIS := libblis
# The shared (dynamic) library file suffix is different for Linux and OS X.
ifeq ($(OS_NAME),Darwin)
SHLIB_EXT := dylib
else ifeq ($(IS_WIN),yes)
ifeq ($(CC_VENDOR),gcc)
SHLIB_EXT := dll.a
else
SHLIB_EXT := lib
endif
else
SHLIB_EXT := so
endif
# Note: These names will be modified later to include the configuration and
# version strings.
LIBBLIS_A := $(LIBBLIS).a
LIBBLIS_SO := $(LIBBLIS).$(SHLIB_EXT)
# Append the base library path to the library names.
LIBBLIS_A_PATH := $(BASE_LIB_PATH)/$(LIBBLIS_A)
LIBBLIS_SO_PATH := $(BASE_LIB_PATH)/$(LIBBLIS_SO)
# Create a filepath to a local symlink to the soname--that is, the same as
# LIBBLIS_SO_PATH except with the .so major version number. Since the shared
# library lists its soname as 'libblis.so.n', where n is the .so major version
# number, a symlink in BASE_LIB_PATH is needed so that ld can find the local
# shared library when the testsuite is run via 'make test' or 'make check'.
ifeq ($(OS_NAME),Darwin)
# OS X shared library extensions.
LIBBLIS_SO_MAJ_EXT := $(SO_MAJOR).$(SHLIB_EXT)
LIBBLIS_SO_MMB_EXT := $(SO_MMB).$(SHLIB_EXT)
else ifeq ($(IS_WIN),yes)
# Windows shared library extension.
LIBBLIS_SO_MAJ_EXT := $(SO_MAJOR).dll
LIBBLIS_SO_MMB_EXT :=
else
# Linux shared library extensions.
LIBBLIS_SO_MAJ_EXT := $(SHLIB_EXT).$(SO_MAJOR)
LIBBLIS_SO_MMB_EXT := $(SHLIB_EXT).$(SO_MMB)
endif
LIBBLIS_SONAME := $(LIBBLIS).$(LIBBLIS_SO_MAJ_EXT)
LIBBLIS_SO_MAJ_PATH := $(BASE_LIB_PATH)/$(LIBBLIS_SONAME)
# Construct the output path when building a shared library.
# NOTE: This code and the code immediately above is a little curious and
# perhaps could be refactored (carefully).
ifeq ($(IS_WIN),yes)
LIBBLIS_SO_OUTPUT_NAME := $(LIBBLIS_SO_MAJ_PATH)
else
LIBBLIS_SO_OUTPUT_NAME := $(LIBBLIS_SO_PATH)
endif
#
# --- Utility program definitions ----------------------------------------------
#
SH := /bin/sh
MV := mv
MKDIR := mkdir -p
RM_F := rm -f
RM_RF := rm -rf
SYMLINK := ln -sf
FIND := find
GREP := grep
EGREP := grep -E
XARGS := xargs
INSTALL := install -c
# Script for creating a monolithic header file.
#FLATTEN_H := $(DIST_PATH)/build/flatten-headers.sh
FLATTEN_H := $(PYTHON) $(DIST_PATH)/build/flatten-headers.py
# Default archiver flags.
ARFLAGS := cr
# Used to refresh CHANGELOG.
GIT := git
GIT_LOG := $(GIT) log --decorate
#
# --- Default linker definitions -----------------------------------------------
#
# NOTE: This section needs to reside before the inclusion of make_defs.mk
# files (just below), as most configurations' make_defs.mk don't tinker
# with things like LDFLAGS, but some do (or may), in which case they can
# manually override whatever they need.
# Define the external libraries we may potentially need at link-time.
ifeq ($(IS_WIN),yes)
LIBM :=
else
LIBM := -lm
endif
LIBMEMKIND := -lmemkind
# Default linker flags.
# NOTE: -lpthread is needed unconditionally because BLIS uses pthread_once()
# to initialize itself in a thread-safe manner.
LDFLAGS := $(LDFLAGS_PRESET) $(LIBM) $(LIBPTHREAD)
# Add libmemkind to the link-time flags, if it was enabled at configure-time.
ifeq ($(MK_ENABLE_MEMKIND),yes)
LDFLAGS += $(LIBMEMKIND)
endif
# Never use libm with Intel compilers.
ifeq ($(CC_VENDOR),icc)
LDFLAGS := $(filter-out $(LIBM),$(LDFLAGS))
endif
# Never use libmemkind with Intel SDE.
ifeq ($(DEBUG_TYPE),sde)
LDFLAGS := $(filter-out $(LIBMEMKIND),$(LDFLAGS))
endif
# Specify the shared library's 'soname' field.
# NOTE: The flag for creating shared objects is different for Linux and OS X.
ifeq ($(OS_NAME),Darwin)
# OS X shared library link flags.
SOFLAGS := -dynamiclib
SOFLAGS += -Wl,-install_name,$(LIBBLIS_SONAME)
else
SOFLAGS := -shared
ifeq ($(IS_WIN),yes)
# Windows shared library link flags.
ifeq ($(CC_VENDOR),clang)
SOFLAGS += -Wl,-def:build/libblis-symbols.def -Wl,-implib:$(BASE_LIB_PATH)/$(LIBBLIS).lib
else
SOFLAGS += -Wl,--export-all-symbols -Wl,--out-implib,$(BASE_LIB_PATH)/$(LIBBLIS).dll.a
endif
else
# Linux shared library link flags.
SOFLAGS += -Wl,-soname,$(LIBBLIS_SONAME)
endif
endif
# Decide which library to link to for things like the testsuite and BLIS test
# drivers. We default to the static library, unless only the shared library was
# enabled, in which case we use the shared library.
LIBBLIS_L := $(LIBBLIS_A)
LIBBLIS_LINK := $(LIBBLIS_A_PATH)
ifeq ($(MK_ENABLE_SHARED),yes)
ifeq ($(MK_ENABLE_STATIC),no)
LIBBLIS_L := $(LIBBLIS_SO)
LIBBLIS_LINK := $(LIBBLIS_SO_PATH)
ifeq ($(IS_WIN),no)
# For Linux and OS X: set rpath property of shared object.
LDFLAGS += -Wl,-rpath,$(BASE_LIB_PATH)
endif
endif
endif
#
# --- Include makefile definitions file ----------------------------------------
#
# Define the name of the file containing build and architecture-specific
# makefile definitions.
MAKE_DEFS_FILE := make_defs.mk
# Assemble a list of all configuration family members, including the
# configuration family name itself. Note that sort() will remove duplicates
# for situations where CONFIG_NAME is present in CONFIG_LIST, such as would
# be the case for singleton families.
CONFIG_LIST_FAM := $(sort $(strip $(CONFIG_LIST) $(CONFIG_NAME)))
# Construct the paths to the makefile definitions files, each of which
# resides in a separate configuration sub-directory. We use CONFIG_LIST_FAM
# since we might need the makefile definitions associated with the
# configuration family (if it is an umbrella family).
# NOTE: We use the prefix $(BASE_SHARE_PATH)/$(CONFIG_DIR)/ instead of
# $(CONFIG_PATH) so that make_defs.mk can be found when it is installed,
# provided the caller defined SHARE_PATH to that install directory.
CONFIG_PATHS := $(addprefix $(BASE_SHARE_PATH)/$(CONFIG_DIR)/, \
$(CONFIG_LIST_FAM))
MAKE_DEFS_MK_PATHS := $(addsuffix /$(MAKE_DEFS_FILE), $(CONFIG_PATHS))
# Initialize the list of included (found) configurations to empty.
CONFIGS_INCL :=
# Include the makefile definitions files implied by the list of configurations.
-include $(MAKE_DEFS_MK_PATHS)
# Detect whether we actually got all of the make definitions files. If
# we didn't, then maybe a configuration is mislabeled or missing. The
# check-env-make-defs target checks ALL_MAKE_DEFS_MK_PRESENT and outputs
# an error message if it is set to 'no'.
# NOTE: We use CONFIG_LIST_FAM as the expected list of configurations.
# This combines CONFIG_NAME with CONFIG_LIST. The inclusion of CONFIG_NAME
# is needed for situations where the configuration family is an umbrella
# family (e.g. 'intel64'), since families have separate make_def.mk files.
CONFIGS_EXPECTED := $(CONFIG_LIST_FAM)
ifeq ($(sort $(strip $(CONFIGS_INCL))), \
$(sort $(strip $(CONFIGS_EXPECTED))))
ALL_MAKE_DEFS_MK_PRESENT := yes
else
ALL_MAKE_DEFS_MK_PRESENT := no
endif
#
# --- Configuration-agnostic flags ---------------------------------------------
#
# --- Linker program ---
# Use whatever compiler was chosen.
LINKER := $(CC)
# --- Warning flags ---
CWARNFLAGS :=
# Disable unused function warnings and stop compiling on first error for
# all compilers that accept such options: gcc, clang, and icc.
ifneq ($(CC_VENDOR),ibm)
CWARNFLAGS += -Wall -Wno-unused-function -Wfatal-errors
endif
# Disable tautological comparision warnings in clang.
ifeq ($(CC_VENDOR),clang)
CWARNFLAGS += -Wno-tautological-compare
endif
$(foreach c, $(CONFIG_LIST_FAM), $(eval $(call append-var-for,CWARNFLAGS,$(c))))
# --- Shared library (position-independent code) flags ---
# Emit position-independent code for dynamic linking.
ifeq ($(IS_WIN),yes)
# Note: Don't use any fPIC flags for Windows builds since all code is position-
# independent.
CPICFLAGS :=
else
CPICFLAGS := -fPIC
endif
$(foreach c, $(CONFIG_LIST_FAM), $(eval $(call append-var-for,CPICFLAGS,$(c))))
# --- Language flags ---
# Enable C99.
CLANGFLAGS := -std=c99
$(foreach c, $(CONFIG_LIST_FAM), $(eval $(call append-var-for,CLANGFLAGS,$(c))))
# Enable C++11.
CXXLANGFLAGS := -std=c++11
$(foreach c, $(CONFIG_LIST_FAM), $(eval $(call append-var-for,CXXLANGFLAGS,$(c))))
# --- C Preprocessor flags ---
# Enable clock_gettime() in time.h.
CPPROCFLAGS := -D_POSIX_C_SOURCE=200112L
$(foreach c, $(CONFIG_LIST_FAM), $(eval $(call append-var-for,CPPROCFLAGS,$(c))))
# --- Threading flags ---
ifeq ($(CC_VENDOR),gcc)
ifeq ($(THREADING_MODEL),auto)
THREADING_MODEL := openmp
endif
ifeq ($(THREADING_MODEL),openmp)
CTHREADFLAGS := -fopenmp
LDFLAGS += -fopenmp
endif
ifeq ($(THREADING_MODEL),pthreads)
CTHREADFLAGS := -pthread
LDFLAGS += $(LIBPTHREAD)
endif
endif
ifeq ($(CC_VENDOR),icc)
ifeq ($(THREADING_MODEL),auto)
THREADING_MODEL := openmp
endif
ifeq ($(THREADING_MODEL),openmp)
CTHREADFLAGS := -fopenmp
LDFLAGS += -fopenmp
endif
ifeq ($(THREADING_MODEL),pthreads)
CTHREADFLAGS := -pthread
LDFLAGS += $(LIBPTHREAD)
endif
endif
ifeq ($(CC_VENDOR),clang)
ifeq ($(THREADING_MODEL),auto)
THREADING_MODEL := pthreads
endif
ifeq ($(THREADING_MODEL),openmp)
CTHREADFLAGS := -fopenmp
LDFLAGS += -fopenmp
endif
ifeq ($(THREADING_MODEL),pthreads)
CTHREADFLAGS := -pthread
LDFLAGS += $(LIBPTHREAD)
endif
endif
# --- #pragma omp simd flags (used for reference kernels only) ---
ifeq ($(PRAGMA_OMP_SIMD),yes)
COMPSIMDFLAGS := -fopenmp-simd
else
COMPSIMDFLAGS :=
endif
#
# --- Adjust verbosity level manually using make V=[0,1] -----------------------
#
ifeq ($(V),1)
ENABLE_VERBOSE := yes
BLIS_ENABLE_TEST_OUTPUT := yes
endif
ifeq ($(V),0)
ENABLE_VERBOSE := no
BLIS_ENABLE_TEST_OUTPUT := no
endif
#
# --- Append OS-specific libraries to LDFLAGS ----------------------------------
#
ifeq ($(OS_NAME),Linux)
LDFLAGS += -lrt
endif
#
# --- LDFLAGS cleanup ----------------------------------------------------------
#
# Remove duplicate flags/options in LDFLAGS (such as -lpthread) by sorting.
LDFLAGS := $(sort $(LDFLAGS))
#
# --- Include makefile fragments -----------------------------------------------
#
# Initialize our list of directory paths to makefile fragments with the empty
# list. This variable will accumulate all of the directory paths in which
# makefile fragments reside.
FRAGMENT_DIR_PATHS :=
# Initialize our makefile variables that source code files will be accumulated
# into by the makefile fragments. This initialization is very important! These
# variables will end up with weird contents if we don't initialize them to
# empty prior to recursively including the makefile fragments.
MK_CONFIG_SRC :=
MK_KERNELS_SRC :=
MK_REFKERN_SRC :=
MK_FRAME_SRC :=
MK_SANDBOX_SRC :=
# -- config --
# Construct paths to each of the sub-configurations specified in the
# configuration list. Note that we use CONFIG_LIST_FAM, which already
# has CONFIG_NAME included (with duplicates removed).
CONFIG_PATHS := $(addprefix $(CONFIG_FRAG_PATH)/, $(CONFIG_LIST_FAM))
# This variable is used by the include statements as they recursively include
# one another. For the 'config' directory, we initialize it to that directory
# in preparation to include the fragments in the configuration sub-directory.
PARENT_SRC_PATH := $(CONFIG_PATH)
PARENT_PATH := $(CONFIG_FRAG_PATH)
# Recursively include the makefile fragments in each of the sub-configuration
# directories.
-include $(addsuffix /$(FRAGMENT_MK), $(CONFIG_PATHS))
# -- kernels --
# Construct paths to each of the kernel sets required by the sub-configurations
# in the configuration list.
KERNEL_PATHS := $(addprefix $(KERNELS_FRAG_PATH)/, $(KERNEL_LIST))
# This variable is used by the include statements as they recursively include
# one another. For the 'kernels' directory, we initialize it to that directory
# in preparation to include the fragments in the configuration sub-directory.
PARENT_SRC_PATH := $(KERNELS_PATH)
PARENT_PATH := $(KERNELS_FRAG_PATH)
# Recursively include the makefile fragments in each of the kernels sub-
# directories.
-include $(addsuffix /$(FRAGMENT_MK), $(KERNEL_PATHS))
# -- ref_kernels --
# -- frame --
# This variable is used by the include statements as they recursively include
# one another. For the framework and reference kernel source trees (ie: the
# 'frame' and 'ref_kernels' directories), we initialize it to the top-level
# directory since that is its parent.
PARENT_SRC_PATH := $(DIST_PATH)
PARENT_PATH := $(OBJ_DIR)/$(CONFIG_NAME)
# Recursively include all the makefile fragments in the directories for the
# reference kernels and portable framework.
-include $(addsuffix /$(FRAGMENT_MK), $(REFKERN_FRAG_PATH))
-include $(addsuffix /$(FRAGMENT_MK), $(FRAME_FRAG_PATH))
# -- sandbox --
# Construct paths to each sandbox. (At present, there can be only one.)
# NOTE: If $(SANDBOX) is empty (because no sandbox was enabled at configure-
# time) then $(SANDBOX_PATHS) will also be empty, which will cause no
# fragments to be included.
SANDBOX_PATHS := $(addprefix $(SANDBOX_FRAG_PATH)/, $(SANDBOX))
# This variable is used by the include statements as they recursively include
# one another. For the 'sandbox' directory, we initialize it to that directory
# in preparation to include the fragments in the configuration sub-directory.
PARENT_SRC_PATH := $(SANDBOX_PATH)
PARENT_PATH := $(SANDBOX_FRAG_PATH)
# Recursively include the makefile fragments in the sandbox sub-directory.
-include $(addsuffix /$(FRAGMENT_MK), $(SANDBOX_PATHS))
# Create a list of the makefile fragments using the variable into which each
# of the above include statements accumulated their directory paths.
MAKEFILE_FRAGMENTS := $(addsuffix /$(FRAGMENT_MK), $(FRAGMENT_DIR_PATHS))
# Detect whether we actually got any makefile fragments. If we didn't, then it
# is likely that the user has not yet generated them (via configure).
ifeq ($(strip $(MAKEFILE_FRAGMENTS)),)
MAKEFILE_FRAGMENTS_PRESENT := no
else
MAKEFILE_FRAGMENTS_PRESENT := yes
endif
#
# --- Important sets of header files and paths ---------------------------------
#
# Define a function that will expand all of the directory paths given in $(1)
# to actual filepaths using the list of suffixes provided $(2).
get-filepaths = $(strip $(foreach path, $(1), \
$(foreach suf, $(2), \
$(wildcard $(path)/*.$(suf)) \
) ) )
# Define a function that will expand all of the directory paths given in $(1)
# to actual filepaths using the list of suffixes provided $(2), taking only
# the first expansion from each directory with at least one file matching
# the current suffix. Finally, strip the filenames from all resulting files,
# returning only the directory paths.
get-dirpaths = $(dir $(foreach path, $(1), \
$(firstword \
$(foreach suf, $(2), \
$(wildcard $(path)/*.$(suf)) \
) ) ) )
# We'll use two directory lists. The first is a list of all of the directories
# in which makefile fragments were generated (plus the current directory). The
# second is the subset of the first that begins with the sandbox root path.
ALLFRAG_DIR_PATHS := . $(FRAGMENT_DIR_PATHS)
SANDBOX_DIR_PATHS := $(filter $(SANDBOX_PATH)/%,$(ALLFRAG_DIR_PATHS))
ALL_H99_FILES := $(call get-filepaths,$(ALLFRAG_DIR_PATHS),$(ALL_H99_SUFS))
FRAME_H99_FILES := $(filter-out $(SANDBOX_PATH)/%,$(ALL_H99_FILES))
ALL_H99_DIRPATHS := $(call get-dirpaths,$(ALLFRAG_DIR_PATHS),$(ALL_H99_SUFS))
SANDBOX_H99_FILES := $(call get-filepaths,$(SANDBOX_DIR_PATHS),$(SANDBOX_H99_SUFS))
SANDBOX_HXX_FILES := $(call get-filepaths,$(SANDBOX_DIR_PATHS),$(SANDBOX_HXX_SUFS))
SANDBOX_HDR_DIRPATHS := $(call get-dirpaths,$(SANDBOX_DIR_PATHS),$(ALL_HDR_SUFS))
#
# --- blis.h header definitions ------------------------------------------------
#
# Use include/CONFIG_NAME as the default path to the local header files, but
# allow the includer to override this value if it needs to point to an
# installation directory.
ifeq ($(strip $(INC_PATH)),)
INC_PATH := $(INCLUDE_DIR)/$(CONFIG_NAME)
endif
# Identify the base path for the intermediate include directory. We define
# this path in terms of INC_PATH, which gets a default value above (which is
# what happens for the top-level Makefile). If INC_PATH is specified by the
# Makefile prior to including common.mk, that path is used instead. This
# allows Makefiles for example code and test drivers to reference an installed
# prefix directory for situations when the build directory no longer exists.
BASE_INC_PATH := $(INC_PATH)
# Isolate the path to blis.h by filtering the file from the list of framework
# header files.
BLIS_H := blis.h
BLIS_H_SRC_PATH := $(filter %/$(BLIS_H), $(FRAME_H99_FILES))
# Construct the path to what will be the intermediate flattened/monolithic
# blis.h file.
BLIS_H_FLAT := $(BASE_INC_PATH)/$(BLIS_H)
#
# --- cblas.h header definitions -----------------------------------------------
#
# Isolate the path to cblas.h by filtering the file from the list of framework
# header files.
CBLAS_H := cblas.h
CBLAS_H_SRC_PATH := $(filter %/$(CBLAS_H), $(FRAME_H99_FILES))
# Construct the path to what will be the intermediate flattened/monolithic
# cblas.h file.
CBLAS_H_FLAT := $(BASE_INC_PATH)/$(CBLAS_H)
#
# --- Compiler include path definitions ----------------------------------------
#
# Obtain a list of header files #included inside of the bli_cntx_ref.c file.
# Paths to these files will be needed when compiling with the monolithic
# header.
ifeq ($(strip $(SHARE_PATH)),.)
REF_KER_SRC := $(DIST_PATH)/$(REFKERN_DIR)/bli_cntx_ref.c
REF_KER_HEADERS := $(shell $(GREP) "\#include" $(REF_KER_SRC) | sed -e "s/\#include [\"<]\([a-zA-Z0-9\_\.\/\-]*\)[\">].*/\1/g" | $(GREP) -v $(BLIS_H))
endif
# Match each header found above with the path to that header, and then strip
# leading, trailing, and internal whitespace.
REF_KER_H_PATHS := $(strip $(foreach header, $(REF_KER_HEADERS), \
$(dir $(filter %/$(header), \
$(FRAME_H99_FILES)))))
# Add -I to each header path so we can specify our include search paths to the
# C compiler. Then add frame/include since it's needed for bli_oapi_w[o]_cntx.h.
REF_KER_I_PATHS := $(strip $(patsubst %, -I%, $(REF_KER_H_PATHS)))
REF_KER_I_PATHS += -I$(DIST_PATH)/frame/include
# Prefix the paths above with the base include path.
# NOTE: We no longer need every header path in the source tree since we
# now #include the monolithic/flattened blis.h instead.
CINCFLAGS := -I$(BASE_INC_PATH) $(REF_KER_I_PATHS)
# Obtain a list of header paths in the configured sandbox. Then add -I to each
# header path.
CSBOXINCFLAGS := $(strip $(patsubst %, -I%, $(SANDBOX_HDR_DIRPATHS)))
#
# --- BLIS configuration header definitions ------------------------------------
#
# This file was created by configure, but we need to define it here so we can
# remove it as part of the clean targets.
BLIS_CONFIG_H := ./bli_config.h
#
# --- Special preprocessor macro definitions -----------------------------------
#
# Define a C preprocessor macro to communicate the current version so that it
# can be embedded into the library and queried later.
VERS_DEF := -DBLIS_VERSION_STRING=\"$(VERSION)\"
# Define a C preprocessor flag that is *only* defined when BLIS is being
# compiled. (In other words, an application that #includes blis.h will not
# get this cpp macro.)
BUILD_FLAGS := -DBLIS_IS_BUILDING_LIBRARY
# end of ifndef COMMON_MK_INCLUDED conditional block
endif
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