mirror of
https://github.com/amd/blis.git
synced 2026-05-11 17:50:00 +00:00
0b3ca3cfb6
Details: - Rewrote code that selects the compiler for the purposes of compiling the auto-detection executable. CC (if specified) is tried first. Then gcc. Then clang. The absolute fallback is cc. The previous code was sort of broken, and seemed to unintentionally always use gcc. - Moved various configuration-agnostic flags from config/*/make_defs.mk files to common.mk. The new mechanism appends the configuration- agnostic flags to the various compiler flag variables initialized in make_defs.mk. Flags specific to the sub-configuration are still set in make_defs.mk. - Added -Wno-tautological-compare to CMISCFLAGS when clang is in use. Also added the flag to the compiler instantiation during configure- time hardware detection (when clang is selected). - Added some missing (but mostly-optional) quotes to configure script.
588 lines
19 KiB
Makefile
588 lines
19 KiB
Makefile
#
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#
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# BLIS
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# An object-based framework for developing high-performance BLAS-like
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# libraries.
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#
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# Copyright (C) 2014, The University of Texas at Austin
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met:
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# - Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# - Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# - Neither the name of The University of Texas at Austin nor the names
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# of its contributors may be used to endorse or promote products
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# derived from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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#
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# Only include this block of code once
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ifndef COMMON_MK_INCLUDED
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COMMON_MK_INCLUDED := yes
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#
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# --- CFLAGS storage functions -------------------------------------------------
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#
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# Define a function that stores the value of a variable to a different
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# variable containing a specified suffix (corresponding to a configuration).
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define store-var-for
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$(strip $(1)).$(strip $(2)) := $($(strip $(1)))
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endef
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# Define a function similar to store-var-for, except that appends instead
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# of overwriting.
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define append-var-for
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$(strip $(1)).$(strip $(2)) += $($(strip $(1)))
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endef
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# Define a function that stores the value of all of the variables in a
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# make_defs.mk file to other variables with the configuration (the
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# argument $(1)) added as a suffix. This function is called once from
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# each make_defs.mk. Also, add the configuration to CONFIGS_INCL.
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define store-make-defs
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$(eval $(call store-var-for,CC, $(1)))
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$(eval $(call store-var-for,CC_VENDOR, $(1)))
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$(eval $(call store-var-for,CPPROCFLAGS,$(1)))
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$(eval $(call store-var-for,CMISCFLAGS, $(1)))
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$(eval $(call store-var-for,CPICFLAGS, $(1)))
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$(eval $(call store-var-for,CWARNFLAGS, $(1)))
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$(eval $(call store-var-for,CDBGFLAGS, $(1)))
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$(eval $(call store-var-for,COPTFLAGS, $(1)))
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$(eval $(call store-var-for,CKOPTFLAGS, $(1)))
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$(eval $(call store-var-for,CVECFLAGS, $(1)))
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CONFIGS_INCL += $(1)
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endef
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# Define a function that retreives the value of a variable for a
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# given configuration.
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define load-var-for
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$($(strip $(1)).$(strip $(2)))
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endef
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# Define some functions that return the appropriate CFLAGS for a given
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# configuration. This assumes that the make_defs.mk files have already been
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# included, which results in those values having been stored to
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# configuration-qualified variables.
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#
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# --- CFLAGS query functions ---------------------------------------------------
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#
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get-noopt-cflags-for = $(strip $(call load-var-for,CDBGFLAGS,$(1)) \
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$(call load-var-for,CWARNFLAGS,$(1)) \
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$(call load-var-for,CPICFLAGS,$(1)) \
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$(call load-var-for,CMISCFLAGS,$(1)) \
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$(call load-var-for,CPPROCFLAGS,$(1)) \
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$(CTHREADFLAGS) \
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$(INCLUDE_PATHS) $(VERS_DEF) \
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)
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get-kernel-cflags-for = $(call load-var-for,CKOPTFLAGS,$(1)) \
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$(call load-var-for,CVECFLAGS,$(1)) \
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$(call get-noopt-cflags-for,$(1))
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get-refkern-cflags-for = $(call get-kernel-cflags-for,$(1)) \
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-DBLIS_CNAME=$(1)
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get-frame-cflags-for = $(call load-var-for,COPTFLAGS,$(1)) \
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$(call load-var-for,CVECFLAGS,$(1)) \
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$(call get-noopt-cflags-for,$(1))
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get-config-cflags-for = $(call get-kernel-cflags-for,$(1))
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get-noopt-text = "(CFLAGS for no optimization)"
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get-kernel-text-for = "('$(1)' CFLAGS for kernels)"
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get-refkern-text-for = "('$(1)' CFLAGS for ref. kernels)"
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get-frame-text-for = "('$(1)' CFLAGS for framework code)"
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get-config-text-for = "('$(1)' CFLAGS for config code)"
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#
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# --- Miscellaneous helper functions -------------------------------------------
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#
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# Define functions that filters a list of filepaths $(1) that contain (or
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# omit) an arbitrary substring $(2).
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files-that-contain = $(strip $(foreach f, $(1), $(if $(findstring $(2),$(f)),$(f),)))
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files-that-dont-contain = $(strip $(foreach f, $(1), $(if $(findstring $(2),$(f)),,$(f))))
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#
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# --- Include makefile configuration file --------------------------------------
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#
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# The path to the directory in which BLIS was built.
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ifeq ($(strip $(BUILD_PATH)),)
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BUILD_PATH := .
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endif
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# Define the name of the configuration file.
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CONFIG_MK_FILE := config.mk
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# Include the configuration file.
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-include $(BUILD_PATH)/$(CONFIG_MK_FILE)
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# Detect whether we actually got the configuration file. If we didn't, then
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# it is likely that the user has not yet generated it (via configure).
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ifeq ($(strip $(CONFIG_MK_INCLUDED)),yes)
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CONFIG_MK_PRESENT := yes
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else
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CONFIG_MK_PRESENT := no
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endif
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#
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# --- Primary makefile variable definitions ------------------------------------
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#
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# The base name of the BLIS library that we will build.
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BLIS_LIB_BASE_NAME := libblis
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# All makefile fragments in the tree will have this name.
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FRAGMENT_MK := .fragment.mk
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# Locations of important files.
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CONFIG_DIR := config
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FRAME_DIR := frame
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REFKERN_DIR := ref_kernels
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KERNELS_DIR := kernels
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OBJ_DIR := obj
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LIB_DIR := lib
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INCLUDE_DIR := include
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TESTSUITE_DIR := testsuite
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# Other kernel-related definitions.
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KERNEL_SUFS := c s S
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KERNELS_STR := kernels
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REF_SUF := ref
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# The names of the testsuite binary executable and related default names
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# of its input/configuration files.
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TESTSUITE_NAME := test_$(BLIS_LIB_BASE_NAME)
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TESTSUITE_CONF_GEN := input.general
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TESTSUITE_CONF_OPS := input.operations
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TESTSUITE_OUT_FILE := output.testsuite
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# CHANGELOG file.
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CHANGELOG := CHANGELOG
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# Something for OS X so that echo -n works as expected.
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SHELL := bash
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# Construct paths to the four primary directories of source code:
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# the config directory, general framework code, reference kernel code,
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# and optimized kernel code. NOTE: We declare these as recursively
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# expanded variables since DIST_PATH may be overridden later.
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CONFIG_PATH := $(DIST_PATH)/$(CONFIG_DIR)
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FRAME_PATH := $(DIST_PATH)/$(FRAME_DIR)
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REFKERN_PATH := $(DIST_PATH)/$(REFKERN_DIR)
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KERNELS_PATH := $(DIST_PATH)/$(KERNELS_DIR)
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#
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# --- Utility program definitions ----------------------------------------------
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#
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SH := /bin/sh
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MV := mv
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MKDIR := mkdir -p
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RM_F := rm -f
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RM_RF := rm -rf
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SYMLINK := ln -sf
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FIND := find
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GREP := grep
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EGREP := grep -E
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XARGS := xargs
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RANLIB := ranlib
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INSTALL := install -c
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# Script for creating a monolithic header file.
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#FLATTEN_H := $(DIST_PATH)/build/flatten-headers.sh
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FLATTEN_H := $(DIST_PATH)/build/flatten-headers.py
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# Default archiver flags.
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AR := ar
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ARFLAGS := cr
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# Used to refresh CHANGELOG.
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GIT := git
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GIT_LOG := $(GIT) log --decorate
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#
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# --- Determine the compiler vendor --------------------------------------------
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#
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ifneq ($(CC),)
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VENDOR_STRING := $(shell $(CC) --version 2>/dev/null)
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ifeq ($(VENDOR_STRING),)
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VENDOR_STRING := $(shell $(CC) -qversion 2>/dev/null)
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endif
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ifeq ($(VENDOR_STRING),)
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$(error Unable to determine compiler vendor.)
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endif
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CC_VENDOR := $(firstword $(shell echo '$(VENDOR_STRING)' | $(EGREP) -o 'icc|gcc|clang|ibm'))
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ifeq ($(CC_VENDOR),)
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$(error Unable to determine compiler vendor. Have you run './configure' yet?)
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endif
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endif
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#
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# --- Include makefile definitions file ----------------------------------------
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#
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# Define the name of the file containing build and architecture-specific
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# makefile definitions.
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MAKE_DEFS_FILE := make_defs.mk
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# Construct the paths to the makefile definitions files, each of which resides
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# in a separate configuration sub-directory. We include CONFIG_NAME in this
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# list since we might need
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ALL_CONFIGS := $(sort $(strip $(CONFIG_LIST) $(CONFIG_NAME)))
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CONFIG_PATHS := $(addprefix $(CONFIG_PATH)/, $(ALL_CONFIGS))
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MAKE_DEFS_MK_PATHS := $(addsuffix /$(MAKE_DEFS_FILE), $(CONFIG_PATHS))
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# Initialize the list of included (found) configurations to empty.
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CONFIGS_INCL :=
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# Include the makefile definitions files implied by the list of configurations.
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-include $(MAKE_DEFS_MK_PATHS)
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# Detect whether we actually got all of the make definitions files. If
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# we didn't, then maybe a configuration is mislabeled or missing. The
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# check-env-make-defs target checks ALL_MAKE_DEFS_MK_PRESENT and outputs
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# an error message if it is set to 'no'.
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# NOTE: We combine the CONFIG_NAME and CONFIG_LIST for situations where
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# the CONFIG_NAME is absent from the CONFIG_LIST (e.g., 'intel64' is a
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# configuration family name with its own configuration directory and its
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# own make_defs.mk file, but not a sub-configuration itself). If
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# CONFIG_NAME is present in CONFIG_LIST, as with singleton configuration
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# families, then the sort() function will remove duplicates from both
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# strings being compared.
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CONFIGS_EXPECTED := $(CONFIG_LIST) $(CONFIG_NAME)
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ifeq ($(sort $(strip $(CONFIGS_INCL))), \
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$(sort $(strip $(CONFIGS_EXPECTED))))
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ALL_MAKE_DEFS_MK_PRESENT := yes
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else
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ALL_MAKE_DEFS_MK_PRESENT := no
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endif
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#
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# --- Default linker definitions -----------------------------------------------
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#
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# Default linker, flags.
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# NOTE: -lpthread is needed unconditionally because BLIS uses pthread_once()
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# to initialize itself in a thread-safe manner.
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LINKER := $(CC)
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LDFLAGS := -lpthread
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# Never use libm with Intel compilers.
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ifneq ($(CC_VENDOR),icc)
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LDFLAGS += -lm
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endif
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SOFLAGS := -shared
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#
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# --- Configuration-agnostic flags ---------------------------------------------
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#
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# --- C Preprocessor flags ---
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# Enable clock_gettime() in time.h.
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CPPROCFLAGS := -D_POSIX_C_SOURCE=200112L
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$(foreach conf, $(CONFIG_LIST), $(eval $(call append-var-for,CPPROCFLAGS,$(conf))))
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# --- Shared library (position-independent code) flags ---
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# Emit position-independent code for dynamic linking.
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CPICFLAGS := -fPIC
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$(foreach conf, $(CONFIG_LIST), $(eval $(call append-var-for,CPICFLAGS,$(conf))))
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# --- Miscellaneous flags ---
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# Enable C99.
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CMISCFLAGS := -std=c99
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$(foreach conf, $(CONFIG_LIST), $(eval $(call append-var-for,CMISCFLAGS,$(conf))))
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# Disable tautological comparision warnings in clang.
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ifeq ($(CC_VENDOR),clang)
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CMISCFLAGS := -Wno-tautological-compare
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$(foreach conf, $(CONFIG_LIST), $(eval $(call append-var-for,CMISCFLAGS,$(conf))))
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endif
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# --- Warning flags ---
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# Disable unused function warnings and stop compiling on first error for
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# all compilers that accept such options: gcc, clang, and icc.
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ifneq ($(CC_VENDOR),ibm)
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CWARNFLAGS := -Wall -Wno-unused-function -Wfatal-errors
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$(foreach conf, $(CONFIG_LIST), $(eval $(call append-var-for,CWARNFLAGS,$(conf))))
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endif
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# --- Threading flags ---
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ifeq ($(CC_VENDOR),gcc)
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ifeq ($(THREADING_MODEL),auto)
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THREADING_MODEL := openmp
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endif
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ifeq ($(THREADING_MODEL),openmp)
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CTHREADFLAGS := -fopenmp
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LDFLAGS += -fopenmp
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endif
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ifeq ($(THREADING_MODEL),pthreads)
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CTHREADFLAGS := -pthread
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LDFLAGS += -lpthread
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endif
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endif
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ifeq ($(CC_VENDOR),icc)
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ifeq ($(THREADING_MODEL),auto)
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THREADING_MODEL := openmp
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endif
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ifeq ($(THREADING_MODEL),openmp)
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CTHREADFLAGS := -fopenmp
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LDFLAGS += -fopenmp
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endif
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ifeq ($(THREADING_MODEL),pthreads)
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CTHREADFLAGS := -pthread
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LDFLAGS += -lpthread
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endif
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endif
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ifeq ($(CC_VENDOR),clang)
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ifeq ($(THREADING_MODEL),auto)
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THREADING_MODEL := pthreads
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endif
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ifeq ($(THREADING_MODEL),openmp)
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CTHREADFLAGS := -fopenmp
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LDFLAGS += -fopenmp
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endif
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ifeq ($(THREADING_MODEL),pthreads)
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CTHREADFLAGS := -pthread
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LDFLAGS += -lpthread
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endif
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endif
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#
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# --- Adjust verbosity level manually using make V=[0,1] -----------------------
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#
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ifeq ($(V),1)
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BLIS_ENABLE_VERBOSE_MAKE_OUTPUT := yes
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BLIS_ENABLE_TEST_OUTPUT := yes
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endif
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ifeq ($(V),0)
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BLIS_ENABLE_VERBOSE_MAKE_OUTPUT := no
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BLIS_ENABLE_TEST_OUTPUT := no
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endif
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#
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# --- Append OS-specific libraries to LDFLAGS ----------------------------------
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#
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ifeq ($(OS_NAME),Linux)
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LDFLAGS += -lrt
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endif
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# Remove duplicate flags/options in LDFLAGS (such as -lpthread) by sorting.
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LDFLAGS := $(sort $(LDFLAGS))
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#
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# --- Include makefile fragments -----------------------------------------------
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#
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# Initialize our list of directory paths to makefile fragments with the empty
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# list. This variable will accumulate all of the directory paths in which
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# makefile fragments reside.
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FRAGMENT_DIR_PATHS :=
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# Initialize our makefile variables that source code files will be accumulated
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# into by the makefile fragments. This initialization is very important! These
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# variables will end up with weird contents if we don't initialize them to
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# empty prior to recursively including the makefile fragments.
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MK_CONFIG_SRC :=
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MK_FRAME_SRC :=
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MK_REFKERN_SRC :=
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MK_KERNELS_SRC :=
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# Construct paths to each of the sub-configurations specified in the
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# configuration list. If CONFIG_NAME is not in CONFIG_LIST, include it in
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# CONFIG_PATHS since we'll need access to its header files.
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ifeq ($(findstring $(CONFIG_NAME),$(CONFIG_LIST)),)
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CONFIG_PATHS := $(addprefix $(CONFIG_PATH)/, $(CONFIG_NAME) $(CONFIG_LIST))
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else
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CONFIG_PATHS := $(addprefix $(CONFIG_PATH)/, $(CONFIG_LIST))
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endif
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# This variable is used by the include statements as they recursively include
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# one another. For the 'config' directory, we initialize it to that directory
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# in preparation to include the fragments in the configuration sub-directory.
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PARENT_PATH := $(DIST_PATH)/$(CONFIG_DIR)
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# Recursively include the makefile fragments in each of the sub-configuration
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# directories.
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-include $(addsuffix /$(FRAGMENT_MK), $(CONFIG_PATHS))
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# Construct paths to each of the kernel sets required by the sub-configurations
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# in the configuration list.
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KERNEL_PATHS := $(addprefix $(KERNELS_PATH)/, $(KERNEL_LIST))
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# This variable is used by the include statements as they recursively include
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# one another. For the 'kernels' directory, we initialize it to that directory
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# in preparation to include the fragments in the configuration sub-directory.
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PARENT_PATH := $(DIST_PATH)/$(KERNELS_DIR)
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# Recursively include the makefile fragments in each of the kernels sub-
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# directories.
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-include $(addsuffix /$(FRAGMENT_MK), $(KERNEL_PATHS))
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# This variable is used by the include statements as they recursively include
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# one another. For the framework and reference kernel source trees (ie: the
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# 'frame' and 'ref_kernels' directories), we initialize it to the top-level
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# directory since that is its parent. Same for the kernels directory, since it
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# resides in the same top-level directory.
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PARENT_PATH := $(DIST_PATH)
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# Recursively include all the makefile fragments in the directories for the
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# reference kernels and portable framework.
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-include $(addsuffix /$(FRAGMENT_MK), $(REFKERN_PATH))
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-include $(addsuffix /$(FRAGMENT_MK), $(FRAME_PATH))
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# Create a list of the makefile fragments.
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MAKEFILE_FRAGMENTS := $(addsuffix /$(FRAGMENT_MK), $(FRAGMENT_DIR_PATHS))
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# Detect whether we actually got any makefile fragments. If we didn't, then it
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# is likely that the user has not yet generated them (via configure).
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ifeq ($(strip $(MAKEFILE_FRAGMENTS)),)
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MAKEFILE_FRAGMENTS_PRESENT := no
|
|
else
|
|
MAKEFILE_FRAGMENTS_PRESENT := yes
|
|
endif
|
|
#$(error fragment dir paths: $(FRAGMENT_DIR_PATHS))
|
|
|
|
|
|
#
|
|
# --- Compiler include path definitions ----------------------------------------
|
|
#
|
|
|
|
# Expand the fragment paths that contain .h files to attain the set of header
|
|
# files present in all fragment paths. Then strip all leading, internal, and
|
|
# trailing whitespace from the list.
|
|
MK_HEADER_FILES := $(strip $(foreach frag_path, \
|
|
. $(FRAGMENT_DIR_PATHS), \
|
|
$(wildcard $(frag_path)/*.h)))
|
|
|
|
# Expand the fragment paths that contain .h files, and take the first
|
|
# expansion. Then, strip the header filename to leave the path to each header
|
|
# location. Notice this process even weeds out duplicates!
|
|
MK_HEADER_DIR_PATHS := $(dir $(foreach frag_path, \
|
|
. $(FRAGMENT_DIR_PATHS), \
|
|
$(firstword $(wildcard $(frag_path)/*.h))))
|
|
|
|
# Add -I to each header path so we can specify our include search paths to the
|
|
# C compiler.
|
|
INCLUDE_PATHS := $(strip $(patsubst %, -I%, $(MK_HEADER_DIR_PATHS)))
|
|
|
|
# Construct the base path for the intermediate include directory.
|
|
BASE_INC_PATH := $(BUILD_PATH)/$(INCLUDE_DIR)/$(CONFIG_NAME)
|
|
|
|
# Isolate the path to blis.h by filtering the file from the list of headers.
|
|
BLIS_H := blis.h
|
|
BLIS_H_SRC_PATH := $(filter %/$(BLIS_H), $(MK_HEADER_FILES))
|
|
|
|
# Construct the path to the intermediate flattened/monolithic blis.h file.
|
|
BLIS_H_FLAT := $(BASE_INC_PATH)/$(BLIS_H)
|
|
|
|
# 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.
|
|
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)
|
|
|
|
# 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), \
|
|
$(MK_HEADER_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
|
|
|
|
# Finally, prefix the paths above with the base include path.
|
|
INCLUDE_PATHS := -I$(BASE_INC_PATH) $(REF_KER_I_PATHS)
|
|
|
|
|
|
#
|
|
# --- CBLAS header definitions -------------------------------------------------
|
|
#
|
|
|
|
CBLAS_H := cblas.h
|
|
CBLAS_H_SRC_PATH := $(filter %/$(CBLAS_H), $(MK_HEADER_FILES))
|
|
|
|
# Construct the path to the intermediate flattened/monolithic cblas.h file.
|
|
CBLAS_H_FLAT := $(BASE_INC_PATH)/$(CBLAS_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)\"
|
|
|
|
|
|
|
|
# end of ifndef COMMON_MK_INCLUDED conditional block
|
|
endif
|
|
|