llvm-project/openmp/runtime/tools/common.inc

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#
#//===----------------------------------------------------------------------===//
#//
#// The LLVM Compiler Infrastructure
#//
#// This file is dual licensed under the MIT and the University of Illinois Open
#// Source Licenses. See LICENSE.txt for details.
#//
#//===----------------------------------------------------------------------===//
#
ifndef omp_os
# Windows sets environment variable OS; for other systems, ask uname
ifeq ($(OS),)
OS:=$(shell uname)
ifeq ($(OS),)
$(error "Cannot detect operating system")
endif
export omp_os=$(OS)
endif
ifeq ($(OS), Windows_NT)
export omp_os=windows
endif
ifeq ($(OS), Linux)
export omp_os=linux
endif
ifeq ($(OS), FreeBSD)
export omp_os=freebsd
endif
ifeq ($(OS), Darwin)
export omp_os=macos
endif
endif # !omp_os
# Compiling for the Intel(R) Many Integrated Core architecture is non-trivial at the next layer
# of script down, but we can make it consistent here.
ifneq "$(filter knf knc knl, $(arch))" ""
# I really do mean this...
# have top-level arch=mic and then mic_arch = flavor of mic
override mic_arch:=$(arch)
override arch:=mic
override mic:=yes
else
ifeq "$(arch)" "mic"
# default flavor of mic is knc
mic_arch?=knc
override mic:=yes
else
override mic:=no
endif
endif
ifeq (,$(wildcard $(omp_root)/tools/$(omp_os).inc))
$(error "$(omp_os)" is not supported. Add tools/$(omp_os).inc file with os-specific settings )
endif
# detect arch and runtime versions, provide common host-specific definitions
include $(omp_root)/tools/$(omp_os).inc
ifeq ($(arch),)
$(error Architecture not detected)
endif
# Setting defaults
mode?=release
ifeq "$(filter 32 32e 64 mic,$(arch))" ""
compiler?=gcc
else
ifeq "$(omp_os)" "windows"
compiler?=icl
else
compiler?=icc
endif
endif
ifneq "$(mic)" "no"
ifeq "$(compiler)" "gcc"
$(error Compiling the runtime with gcc is not supported on Intel(R) Many Integrated Core Architecture)
endif
# Add Intel(R) Many Integrated Core Architecture kind (knf, knc, knl, etc.)
build_args += --mic-arch=$(mic_arch)
# Check that the binutils for Intel(R) Many Integrated Core Architecture are available
# First we see whether the objdump on the user's path supports the k1om architecture.
hask1om = $(shell if (x86_64-k1om-linux-objdump --help | grep -s k1om); then echo OK; else echo KO; fi)
ifneq "$(hask1om)" "OK"
# Appropriate binutils are not already set up, so try to add them from the default place.
micBinPath = /usr/linux-k1om-4.7/bin
micBinPresent = $(shell if test -d $(micBinPath); then echo OK; else echo KO; fi)
ifneq "$(micBinPresent)" "OK"
# We can't find them in the normal place, so complain.
$(error Compiling for Intel(R) Many Integrated Core Architecture requires that the cross-hosted binutils are available in $(micBinPath).\
See the Tools tab at http://software.intel.com/mic-developer)
endif
export PATH := $(micBinPath):${PATH}
endif
endif
# number of parallel build jobs
jobs?=1
export BUILD_COMPILER := $(compiler)