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common.mk
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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_ASANFLAGS) \
$(BUILD_CPPFLAGS) \
$(BUILD_SYMFLAGS) \
-DBLIS_IN_REF_KERNEL=1 \
-include $(CONFIG_PATH)/$(1)/bli_kernel_defs_$(1).h \
)
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_ASANFLAGS) \
$(BUILD_CPPFLAGS) \
$(BUILD_SYMFLAGS) \
-DBLIS_IN_REF_KERNEL=1 \
-include $(CONFIG_PATH)/$(1)/bli_kernel_defs_$(1).h \
)
get-config-cflags-for = $(strip $(call load-var-for,COPTFLAGS,$(1)) \
$(call get-noopt-cflags-for,$(1)) \
$(BUILD_ASANFLAGS) \
$(BUILD_CPPFLAGS) \
$(BUILD_SYMFLAGS) \
)
get-frame-cflags-for = $(strip $(call load-var-for,COPTFLAGS,$(1)) \
$(call get-noopt-cflags-for,$(1)) \
$(BUILD_ASANFLAGS) \
$(BUILD_CPPFLAGS) \
$(BUILD_SYMFLAGS) \
)
get-kernel-cflags-for = $(strip $(call load-var-for,CKOPTFLAGS,$(1)) \
$(call load-var-for,CKVECFLAGS,$(1)) \
$(call get-noopt-cflags-for,$(1)) \
$(BUILD_CPPFLAGS) \
$(BUILD_SYMFLAGS) \
)
# When compiling addons, 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.
get-addon-c99flags-for = $(strip $(call load-var-for,COPTFLAGS,$(1)) \
$(call get-noopt-cflags-for,$(1)) \
$(CADDONINCFLAGS) \
$(BUILD_CPPFLAGS) \
$(BUILD_SYMFLAGS) \
)
get-addon-cxxflags-for = $(strip $(call load-var-for,COPTFLAGS,$(1)) \
$(call get-noopt-cxxflags-for,$(1)) \
$(CADDONINCFLAGS) \
$(BUILD_CPPFLAGS) \
$(BUILD_SYMFLAGS) \
)
# When compiling addon kernels, we use flags similar to those of kernels
# flags, except we also include the addon header paths.
get-addon-kernel-c99flags-for = $(strip $(call load-var-for,CKOPTFLAGS,$(1)) \
$(call load-var-for,CKVECFLAGS,$(1)) \
$(call get-noopt-cflags-for,$(1)) \
$(CADDONINCFLAGS) \
$(BUILD_CPPFLAGS) \
$(BUILD_SYMFLAGS) \
)
# 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. (NOTE: If we ever switch to using refkernel or kernel
# flags, we should prevent enabling sandboxes for umbrella families by verifying
# that config_list == config_name if --enable-sandbox is given. THIS ALSO
# APPLIES TO ADDONS ABOVE.)
get-sandbox-c99flags-for = $(strip $(call load-var-for,COPTFLAGS,$(1)) \
$(call get-noopt-cflags-for,$(1)) \
$(CSANDINCFLAGS) \
$(BUILD_CPPFLAGS) \
$(BUILD_SYMFLAGS) \
)
get-sandbox-cxxflags-for = $(strip $(call load-var-for,COPTFLAGS,$(1)) \
$(call get-noopt-cxxflags-for,$(1)) \
$(CSANDINCFLAGS) \
$(BUILD_CPPFLAGS) \
$(BUILD_SYMFLAGS) \
)
# 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. (NOTE: This is the same as the $(get-frame-cflags-for ...)
# function, except that it omits a few variables that contain flags exclusively
# for use when BLIS is being compiled/built:
# - BUILD_CPPFLAGS, which contains a cpp macro that confirms that BLIS
# is being built;
# - BUILD_SYMFLAGS, which contains symbol export flags that are only
# needed when a shared library is being compiled/linked; and
# - BUILD_ASANFLAGS, which contains a flag that causes the compiler to
# insert instrumentation for memory error detection.
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 = "('$(1)' CFLAGS for kernels)"
get-addon-c99text-for = "('$(1)' CFLAGS for addons)"
get-addon-cxxtext-for = "('$(1)' CXXFLAGS for addons)"
get-addon-kernel-text-for = "('$(1)' CFLAGS for addon 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))))
# Define a function that removes duplicate strings *without* using the sort
# function.
rm-dups = $(if $1,$(firstword $1) $(call rm-dups,$(filter-out $(firstword $1),$1)))
#
# --- Include makefile configuration file --------------------------------------
#
# Use the current directory as the default path to the root directory for
# makefile fragments (and the configuration family's make_defs.mk), but
# allow the includer to override this value if it needs to point to an
# installation directory.
ifeq ($(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
ADDON_DIR := addon
SANDBOX_DIR := sandbox
OBJ_DIR := obj
LIB_DIR := lib
INCLUDE_DIR := include
BLASTEST_DIR := blastest
TESTSUITE_DIR := testsuite
VEND_DIR := vendor
VEND_CPP_DIR := $(VEND_DIR)/cpp
VEND_TESTCPP_DIR := $(VEND_DIR)/testcpp
# The filename suffix for reference kernels.
REFNM := ref
# Source suffixes.
CONFIG_SRC_SUFS := c
KERNELS_SRC_SUFS := c s S
FRAME_SRC_SUFS := c
ADDON_C99_SUFS := c
ADDON_CXX_SUFS := cc cpp cxx
ADDON_SRC_SUFS := $(ADDON_C99_SUFS) $(ADDON_CXX_SUFS)
SANDBOX_C99_SUFS := c
SANDBOX_CXX_SUFS := cc cpp cxx
SANDBOX_SRC_SUFS := $(SANDBOX_C99_SUFS) $(SANDBOX_CXX_SUFS)
# Header suffixes.
FRAME_H99_SUFS := h
FRAME_HDR_SUFS := $(FRAME_H99_SUFS)
ADDON_H99_SUFS := h
ADDON_HXX_SUFS := hh hpp hxx
ADDON_HDR_SUFS := $(ADDON_H99_SUFS) $(ADDON_HXX_SUFS)
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) \
$(ADDON_HDR_SUFS) \
$(SANDBOX_HDR_SUFS) )
ALL_H99_SUFS := $(sort $(FRAME_H99_SUFS) \
$(ADDON_H99_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. Also process paths for addon and sandbox
# directories.
CONFIG_PATH := $(DIST_PATH)/$(CONFIG_DIR)
FRAME_PATH := $(DIST_PATH)/$(FRAME_DIR)
REFKERN_PATH := $(DIST_PATH)/$(REFKERN_DIR)
KERNELS_PATH := $(DIST_PATH)/$(KERNELS_DIR)
ADDON_PATH := $(DIST_PATH)/$(ADDON_DIR)
SANDBOX_PATH := $(DIST_PATH)/$(SANDBOX_DIR)
# Construct paths to some optional C++ template headers contributed by AMD.
VEND_CPP_PATH := $(DIST_PATH)/$(VEND_CPP_DIR)
VEND_TESTCPP_PATH := $(DIST_PATH)/$(VEND_TESTCPP_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)
ADDON_FRAG_PATH := ./obj/$(CONFIG_NAME)/$(ADDON_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 ($(IS_WIN),yes)
ifeq ($(IS_MSVC),no)
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_MSVC),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. The one exception to this
# rule: if --disable-system is given at configure-time, LIBPTHREAD is empty.
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
# If AddressSanitizer is enabled, add the compiler flag to LDFLAGS.
ifeq ($(MK_ENABLE_ASAN),yes)
LDFLAGS += -fsanitize=address
endif
# Specify the shared library's 'soname' field.
# NOTE: The flag for creating shared objects is different for Linux and OS X.
ifeq ($(OS_NAME),Darwin)
# OS X shared library link flags.
SOFLAGS := -dynamiclib
ifeq ($(MK_ENABLE_RPATH),yes)
SOFLAGS += -Wl,-install_name,@rpath/$(LIBBLIS_SONAME)
else
SOFLAGS += -Wl,-install_name,$(libdir)/$(LIBBLIS_SONAME)
endif
else
SOFLAGS := -shared
ifeq ($(IS_WIN),yes)
# Windows shared library link flags.
ifeq ($(IS_MSVC),yes)
SOFLAGS += -Wl,-implib:$(BASE_LIB_PATH)/$(LIBBLIS).lib
else
SOFLAGS += -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.
ifeq ($(OS_NAME),Darwin)
# rpath for test_libblis.x
LDFLAGS += -Wl,-rpath,@executable_path/$(BASE_LIB_PATH)
# rpath for BLAS tests
LDFLAGS += -Wl,-rpath,@executable_path/../../../$(BASE_LIB_PATH)
else
# rpath for test_libblis.x
LDFLAGS += -Wl,-rpath,'$$ORIGIN/$(BASE_LIB_PATH)'
# rpath for BLAS tests
LDFLAGS += -Wl,-rpath,'$$ORIGIN/../../../$(BASE_LIB_PATH)'
endif
endif
endif
# On windows, use the shared library even if static is created.
ifeq ($(IS_WIN),yes)
LIBBLIS_L := $(LIBBLIS_SO)
LIBBLIS_LINK := $(LIBBLIS_SO_PATH)
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 -Wno-pass-failed
endif
$(foreach c, $(CONFIG_LIST_FAM), $(eval $(call append-var-for,CWARNFLAGS,$(c))))
# --- Position-independent code flags (shared libraries only) ---
# Emit position-independent code for dynamic linking.
ifeq ($(IS_MSVC),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))))
# --- Symbol exporting flags (shared libraries only) ---
# NOTE: These flags are only applied when building BLIS and not used by
# applications that import BLIS compilation flags via the
# $(get-user-cflags-for ...) function.
# Determine default export behavior / visibility of symbols for gcc.
ifeq ($(CC_VENDOR),gcc)
ifeq ($(IS_WIN),yes)
ifeq ($(EXPORT_SHARED),all)
BUILD_SYMFLAGS := -Wl,--export-all-symbols, -Wl,--enable-auto-import
else # ifeq ($(EXPORT_SHARED),public)
BUILD_SYMFLAGS := -Wl,--exclude-all-symbols
endif
else # ifeq ($(IS_WIN),no)
ifeq ($(EXPORT_SHARED),all)
# Export all symbols by default.
BUILD_SYMFLAGS := -fvisibility=default
else # ifeq ($(EXPORT_SHARED),public)
# Hide all symbols by default and export only those that have been annotated
# as needing to be exported.
BUILD_SYMFLAGS := -fvisibility=hidden
endif
endif
endif
# Determine default export behavior / visibility of symbols for icc.
# NOTE: The Windows branches have been omitted since we currently make no
# effort to support Windows builds via icc (only gcc/clang via AppVeyor).
ifeq ($(CC_VENDOR),icc)
ifeq ($(EXPORT_SHARED),all)
# Export all symbols by default.
BUILD_SYMFLAGS := -fvisibility=default
else # ifeq ($(EXPORT_SHARED),public)
# Hide all symbols by default and export only those that have been annotated
# as needing to be exported.
BUILD_SYMFLAGS := -fvisibility=hidden
endif
endif
# Determine default export behavior / visibility of symbols for clang.
ifeq ($(CC_VENDOR),clang)
ifeq ($(IS_WIN),yes)
ifeq ($(IS_MSVC),no)
# This is a clang build targetting MinGW-w64 env
ifeq ($(EXPORT_SHARED),all)
BUILD_SYMFLAGS := -Wl,--export-all-symbols, -Wl,--enable-auto-import
else # ifeq ($(EXPORT_SHARED),all)
BUILD_SYMFLAGS := -Wl,--exclude-all-symbols
endif
endif # ifeq ($(IS_MSVC),no)
ifeq ($(EXPORT_SHARED),all)
# NOTE: clang on Windows does not appear to support exporting all symbols
# by default, and therefore we ignore the value of EXPORT_SHARED.
BUILD_SYMFLAGS :=
else # ifeq ($(EXPORT_SHARED),public)
# NOTE: The default behavior of clang on Windows is to hide all symbols
# and only export functions and other declarations that have beenannotated
# as needing to be exported.
BUILD_SYMFLAGS :=
endif
else # ifeq ($(IS_WIN),no)
ifeq ($(EXPORT_SHARED),all)
# Export all symbols by default.
BUILD_SYMFLAGS := -fvisibility=default
else # ifeq ($(EXPORT_SHARED),public)
# Hide all symbols by default and export only those that have been annotated
# as needing to be exported.
BUILD_SYMFLAGS := -fvisibility=hidden
endif
endif
endif
# --- 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))))
# --- AddressSanitizer flags ---
ifeq ($(MK_ENABLE_ASAN),yes)
BUILD_ASANFLAGS := -fsanitize=address
else
BUILD_ASANFLAGS :=
endif
# --- Threading flags ---
# NOTE: We don't have to explicitly omit -pthread when --disable-system is given
# since that option forces --enable-threading=single, and thus -pthread never
# gets added to begin with.
CTHREADFLAGS :=
ifeq ($(CC_VENDOR),gcc)
#ifneq ($(findstring auto,$(THREADING_MODEL)),)
#THREADING_MODEL := openmp
#endif
ifneq ($(findstring openmp,$(THREADING_MODEL)),)
CTHREADFLAGS += -fopenmp
LDFLAGS += -fopenmp
endif
ifneq ($(findstring pthreads,$(THREADING_MODEL)),)
CTHREADFLAGS += -pthread
LDFLAGS += $(LIBPTHREAD)
endif
endif
ifeq ($(CC_VENDOR),icc)
#ifneq ($(findstring auto,$(THREADING_MODEL)),)
#THREADING_MODEL := openmp
#endif
ifneq ($(findstring openmp,$(THREADING_MODEL)),)
CTHREADFLAGS += -fopenmp
LDFLAGS += -fopenmp
endif
ifneq ($(findstring pthreads,$(THREADING_MODEL)),)
CTHREADFLAGS += -pthread
LDFLAGS += $(LIBPTHREAD)
endif
endif
ifeq ($(CC_VENDOR),clang)
#ifneq ($(findstring auto,$(THREADING_MODEL)),)
#THREADING_MODEL := pthreads
#endif
ifneq ($(findstring openmp,$(THREADING_MODEL)),)
CTHREADFLAGS += -fopenmp
LDFLAGS += -fopenmp
endif
ifneq ($(findstring pthreads,$(THREADING_MODEL)),)
CTHREADFLAGS += -pthread
LDFLAGS += $(LIBPTHREAD)
endif
endif
# --- #pragma omp simd flags (used for reference kernels only) ---
ifeq ($(PRAGMA_OMP_SIMD),yes)
ifeq ($(CC_VENDOR),gcc)
COMPSIMDFLAGS := -fopenmp-simd
else
ifeq ($(CC_VENDOR),clang)
COMPSIMDFLAGS := -fopenmp-simd
else
ifeq ($(CC_VENDOR),icc)
COMPSIMDFLAGS := -qopenmp-simd
endif
endif
endif
else # ifeq ($(PRAGMA_OMP_SIMD),no)
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 ----------------------------------------------------------
#
#
# --- 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_ADDON_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))
# -- addon --
# Construct paths to each addon.
# NOTE: If $(ADDON_LIST) is empty (because no addon was enabled at configure-
# time) then $(ADDON_PATHS) will also be empty, which will cause no fragments
# to be included.
ADDON_PATHS := $(addprefix $(ADDON_FRAG_PATH)/, $(ADDON_LIST))
# This variable is used by the include statements as they recursively include
# one another. For the 'addons' directory, we initialize it to that directory
# in preparation to include the fragments in the configuration sub-directory.
PARENT_SRC_PATH := $(ADDON_PATH)