[pstl] Deprecate non-CMake based build

All of LLVM builds with CMake, so it doesn't make sense to maintain a
separate set of build files just for pstl.

Thanks to Thomas Rodgers for the patch.
Differential Revision: https://reviews.llvm.org/D59111

llvm-svn: 355919
GitOrigin-RevId: 44957b5fdda57e966e96a440175490bb45a958e7
diff --git a/build/Makefile b/build/Makefile
deleted file mode 100644
index f4ab25c..0000000
--- a/build/Makefile
+++ /dev/null
@@ -1,101 +0,0 @@
-#===-- Makefile ----------------------------------------------------------===##
-#
-# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-# See https://llvm.org/LICENSE.txt for license information.
-# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-#
-#===----------------------------------------------------------------------===##
-
-#------------------------------------------------------------------------------
-# Define rules for making the Parallel STL library.
-#------------------------------------------------------------------------------
-
-
-proj_root ?= $(CURDIR)/..
-
-include $(proj_root)/build/Makefile.common
-CPLUS := $(compiler) $(COMPILER_NOLOGO_KEY) $(USE_SHARED_CPPRUNTIME_KEY)
-
-.SECONDARY:
-.PHONY: clean clean_all clean_pstl bench
-
-VPATH = $(proj_root)/test
-
-CPLUS_FLAGS += -I$(proj_root)
-
-PSTL_MAKEFILE = $(proj_root)/build/Makefile.pstl
-BENCH_MAKEFILE = $(proj_root)/build/Makefile.bench
-
-
-test_hdr = $(wildcard $(proj_root)/test/*.h)
-test_src = $(wildcard $(proj_root)/test/test_*.cpp)
-test_bin = $(notdir $(test_src:.cpp=.exe))
-
-
-all: $(test_bin)
-
-test_%.offload.exe: test_%.offload$(OBJ_SFX) exception_list.offload$(OBJ_SFX)
-	$(CPLUS) $(CPLUS_FLAGS) $^ $(FKEY)o$@ $(LDFLAGS)
-
-$(PSTL_LIB_NAME):
-	$(MAKE) -f $(PSTL_MAKEFILE) backend=$(backend) cfg=$(cfg)
-
-test_%.exe: test_%$(OBJ_SFX) $(PSTL_LIB_NAME)
-	$(LD) $< $(LD_OUT_KEY)$@ $(LDFLAGS) $(DYN_LDFLAGS) $(PSTL_LIB_LINK)
-
-test_%: test_%.exe
-	$(run_cmd) $(RUN_CMD)test_$*.exe
-
-test_%$(OBJ_SFX): test_%.cpp $(test_hdr) $(proj_root)/build/Makefile
-	$(CPLUS) $(CPLUS_FLAGS) -c $< $(FKEY)o$@
-
-# This definition intentionally consists of two blank lines
-define eol
-
-
-endef
-
-test: $(test_bin)
-	$(foreach test, $(test_bin), $(run_cmd) $(RUN_CMD)$(test) $(args) $(eol))
-
-%.s: %.cpp $(proj_root)/build/Makefile
-	$(CPLUS) $(CPLUS_FLAGS) -S $< $(FKEY)o$@
-
-%.E: %.cpp
-	$(CPLUS) $(CPLUS_FLAGS) -E $< >$@
-
-TEMPLATE_FILES=$(wildcard $(proj_root)/bench/*.*tmpl)
-BENCH_COMMON_FILES=$(wildcard $(proj_root)/bench/*.h) $(wildcard $(proj_root)/bench/*.cpp)
-
-$(BENCH_MAKEFILE): $(proj_root)/bench/algorithm.json $(proj_root)/bench/gen.py  $(TEMPLATE_FILES)
-	$(PYTHON) $(proj_root)/bench/gen.py $(proj_root)/bench/algorithm.json
-
-bench : $(BENCH_MAKEFILE) $(BENCH_COMMON_FILES) $(PSTL_LIB_NAME)
-	@echo     TEMPLATE_FILES=$(TEMPLATE_FILES)
-	@echo     proj_root=$(proj_root)
-	ls -la      $(proj_root)/bench/gen.py
-	$(MAKE) -f $(BENCH_MAKEFILE)
-
-clean_bench:
-	$(DEL_CMD) $(BENCH_MAKEFILE)
-	$(DEL_CMD) batch.py
-	$(DEL_CMD) $(proj_root)/build/bench/*.*
-
-clean:
-	$(DEL_CMD) *$(OBJ_SFX) *.exe *.E *.s *.asm *.d *.pdb *.pdb *.suo *.ilk
-
-clean_pstl:
-	$(MAKE) -f $(PSTL_MAKEFILE) clean
-
-clean_all: clean clean_pstl clean_bench
-
-info:
-	@echo OS = $(os_name)
-	@echo proj_root = "$(proj_root)"
-	@echo $(CURDIR)
-	@echo VPATH = $(VPATH)
-	@echo LIBRARY_PATH = $(LIBRARY_PATH)
-	@echo backend = $(backend)
-	@echo compiler = $(compiler)
-
--include *.d
diff --git a/build/Makefile.common b/build/Makefile.common
deleted file mode 100644
index 66a41d7..0000000
--- a/build/Makefile.common
+++ /dev/null
@@ -1,112 +0,0 @@
-#===-- Makefile.common ---------------------------------------------------===##
-#
-# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-# See https://llvm.org/LICENSE.txt for license information.
-# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-#
-#===----------------------------------------------------------------------===##
-
-#------------------------------------------------------------------------------
-# Define common parts for Parallel STL
-#------------------------------------------------------------------------------
-
-.SUFFIXES:
-
-goals = $(or $(MAKECMDGOALS),all)
-ifneq (, $(filter-out clean clean_all,$(goals)))
-    ifeq (, $(filter $(backend), tbb))
-        $(info Threading backend was not specified; using TBB)
-        backend=tbb
-    endif
-endif
-
-ifndef os_name
-  # Windows sets environment variable OS; for other systems, ask uname
-  ifeq ($(OS),)
-    OS:=$(shell uname)
-    ifeq ($(OS),)
-      $(error "Cannot detect operating system")
-    endif
-    os_name=$(OS)
-  endif
-
-  ifeq ($(OS), Windows_NT)
-    os_name=windows
-  endif
-  ifeq ($(OS), Linux)
-    os_name=linux
-  endif
-  ifeq ($(OS), Darwin)
-    os_name=macos
-  endif
-endif # !os_name
-
-cfg ?= release
-stdver ?= c++11
-
-override INCLUDES += -I$(proj_root)/include -I$(proj_root)/test
-
-TEST_MACRO += -D__PSTL_TEST_SUCCESSFUL_KEYWORD=1
-
-ifeq ($(backend), tbb)
-    BACKEND_MACRO += -D__PSTL_PAR_BACKEND_TBB
-endif
-
-target ?= $(os_name)
-#OS specific keys
-ifeq ($(target),windows)
-    ifneq (, $(filter $(compiler), gcc g++))
-        include $(proj_root)/build/mingw.inc
-    else
-        include $(proj_root)/build/windows.inc
-    endif
-else
-    include $(proj_root)/build/unix.inc
-    ifneq (,$(wildcard $(proj_root)/build/$(target).inc))
-        include $(proj_root)/build/$(target).inc
-        $(info included additional file $(proj_root)/build/$(target).inc)
-    endif
-endif
-
-# compiler specific keys
-ifneq (, $(filter $(compiler), gcc g++))
-    include $(proj_root)/build/gcc.inc
-endif
-
-ifneq (, $(filter $(compiler), clang clang++))
-    include $(proj_root)/build/clang.inc
-endif
-
-ifneq (, $(filter $(compiler), icc icpc icx))
-    include $(proj_root)/build/icc.inc
-endif
-
-ifneq (, $(filter $(compiler), icl))
-    include $(proj_root)/build/icl.inc
-endif
-
-
-OPTIMIZATION_ENABLED_FLAGS += $(XHOST_FLAG)
-OPTIMIZATION_DISABLED_FLAGS += $(XHOST_FLAG)
-
-
-ifeq ($(cfg), debug)
-    TBB_LIB_NAME = tbb_debug
-    BACKEND_MACRO += -DTBB_USE_DEBUG=1
-    DEBUG_MACRO += -DPSTL_USE_DEBUG
-    OPTIMIZATION_KEYS = $(OPTIMIZATION_DISABLED_FLAGS)
-else
-    OPTIMIZATION_KEYS = $(OPTIMIZATION_ENABLED_FLAGS)
-endif
-
-DYN_LDFLAGS += $(PSTL_ARCH)
-
-CPLUS_FLAGS += $(TEST_MACRO)
-CPLUS_FLAGS += $(INCLUDES)
-CPLUS_FLAGS += $(BACKEND_MACRO)
-CPLUS_FLAGS += $(DEBUG_MACRO)
-CPLUS_FLAGS += $(CXXFLAGS)
-CPLUS_FLAGS += $(OPTIMIZATION_KEYS)
-
-CPLUS_FLAGS += $(DISABLED_WARNINGS)
-CPLUS_FLAGS += $(PSTL_ARCH)
diff --git a/build/Makefile.pstl b/build/Makefile.pstl
deleted file mode 100644
index 83c61d2..0000000
--- a/build/Makefile.pstl
+++ /dev/null
@@ -1,46 +0,0 @@
-#===-- Makefile.pstl -----------------------------------------------------===##
-#
-# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-# See https://llvm.org/LICENSE.txt for license information.
-# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-#
-#===----------------------------------------------------------------------===##
-
-#------------------------------------------------------------------------------
-# Define rules for making the Parallel STL library.
-#------------------------------------------------------------------------------
-
-proj_root ?= $(CURDIR)/..
-
-include $(proj_root)/build/Makefile.common
-
-.PHONY: clean
-
-VPATH = $(proj_root)/src
-
-lib_src = $(wildcard $(proj_root)/src/*.cpp)
-lib_obj = $(notdir $(lib_src:.cpp=$(OBJ_SFX)))
-
-all: pstl
-
-pstl: $(PSTL_LIB_NAME)
-
-%$(OBJ_SFX): %.cpp $(proj_root)/build/Makefile.pstl
-	$(CPLUS) $(CPLUS_FLAGS) -c $< $(FKEY)o$@
-
-%.s: %.cpp $(proj_root)/build/Makefile
-	$(CPLUS) $(CPLUS_FLAGS) -S $< $(FKEY)o$@
-
-%.E: %.cpp
-	$(CPLUS) $(CPLUS_FLAGS) -E $< >$@
-
-clean:
-	$(DEL_CMD) *$(OBJ_SFX) *.lib *.dll *.so *.exp *$(PSTL_LIB_NAME)*
-
-info:
-	@echo OS = $(os_name)
-	@echo proj_root = "$(proj_root)"
-	@echo $(CURDIR)
-	@echo VPATH=$(VPATH)
-
--include *.d
diff --git a/build/android.inc b/build/android.inc
deleted file mode 100644
index 4b0e231..0000000
--- a/build/android.inc
+++ /dev/null
@@ -1,47 +0,0 @@
-#===-- android.inc -------------------------------------------------------===##
-#
-# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-# See https://llvm.org/LICENSE.txt for license information.
-# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-#
-#===----------------------------------------------------------------------===##
-
-PSTL_ARCH=
-PIE_FLAGS = -pie -fPIE -fPIC
-SDL_FLAGS = -fstack-protector -Wformat -Wformat-security
-CPLUS_FLAGS += $(TARGET_CFLAGS) $(PIE_FLAGS) $(SDL_FLAGS)
-
-# Paths to the NDK prebuilt tools and libraries
-ifeq (,$(findstring $(ndk_version), $(foreach v, 7 8 9 10 11 12 13 14 15,r$(v) r$(v)b r$(v)c r$(v)d r$(v)e)))
-    ifeq (clang,$(compiler))
-        # Since Android* NDK r16 another sysroot and isystem paths have to be specified
-        CPLUS_FLAGS += --sysroot=$(NDK_ROOT)/sysroot -isystem $(NDK_ROOT)/sysroot/usr/include/$(TRIPLE)
-        # Android* version flag required since r16
-        CPLUS_FLAGS += -D__ANDROID_API__=$(API_LEVEL)
-    else
-        CPLUS_FLAGS += --sysroot=$(SYSROOT)
-    endif
-else
-    CPLUS_FLAGS += --sysroot=$(SYSROOT)
-endif
-
-LDFLAGS += --sysroot=$(SYSROOT) $(TARGET_CFLAGS)
-PSTL_LIB_LINK +=  -lc++abi -L$(CPLUS_LIB_PATH) -lc++_shared
-
-ifeq (arm,$(arch))
-    PSTL_LIB_LINK += -lunwind
-endif
-
-# TARGET_CXX cames from NDK
-override CPLUS:=$(TARGET_CXX) $(USE_SHARED_CPPRUNTIME_KEY)
-LD = $(CPLUS) $(TARGET_CFLAGS) $(PIE_FLAGS) $(SDL_FLAGS)
-
-run_cmd ?= -sh $(proj_root)/build/android.linux.launcher.sh $(largs)
-
-# TBB_LIBRARIES := $(foreach dir,$(LIBRARY_PATH),$(wildcard $(dir)/libtbb*so))
-TBB_LIBRARIES := $(foreach dir,$(LIBRARY_PATH),$(wildcard $(dir)/*))
-LIB_STL_ANDROID += $(TBB_LIBRARIES)
-
-$(warning LIB_STL_ANDROID=$(LIB_STL_ANDROID))
-$(warning TBB_LIBRARIES=$(TBB_LIBRARIES))
-$(warning LIBRARY_PATH=$(LIBRARY_PATH))
diff --git a/build/android.linux.launcher.sh b/build/android.linux.launcher.sh
deleted file mode 100644
index 69ad500..0000000
--- a/build/android.linux.launcher.sh
+++ /dev/null
@@ -1,148 +0,0 @@
-#!/bin/sh
-#===-- android.linux.launcher.sh -----------------------------------------===##
-#
-# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-# See https://llvm.org/LICENSE.txt for license information.
-# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-#
-#===----------------------------------------------------------------------===##
-#
-#
-
-# Usage:
-# android.linux.launcher.sh [-v] [-q] [-s] [-r <repeats>] [-u] [-l <library>] <executable> <arg1> <arg2> <argN>
-#         where: -v enables verbose output
-#         where: -q enables quiet mode
-#         where: -s runs the test in stress mode (until non-zero exit code or ctrl-c pressed)
-#         where: -r <repeats> specifies number of times to repeat execution
-#         where: -u is ignored on Android
-#         where: -l <library> specifies the library name to be assigned to LD_PRELOAD
-#
-# Libs and executable necessary for testing should be present in the current directory before running.
-# ANDROID_SERIAL must be set to the connected Android target device name for file transfer and test runs.
-# ANDROID_TEST_DIRECTORY may be set to the directory used for testing on the Android target device; otherwise,
-#                        the default directory used is "/data/local/tmp/$(basename $PWD)".
-# Note: Do not remove the redirections to '/dev/null' in the script, otherwise the nightly test system will fail.
-
-do_cleanup() #
-{ #
-    adb pull $targetdir/events.txt events.txt > /dev/null 2>&1 #
-    # Remove target directory on the device
-    adb shell "rm -r ${targetdir}; mkdir -p ${targetdir}" > /dev/null 2>&1 #
-} #
-do_trap_cleanup() #
-{ #
-    do_cleanup #
-    exit -1 #
-} #
-while getopts  "qvsr:ul:" flag #
-do case $flag in #
-    s )  # Stress testing mode
-         echo Doing stress testing. Press Ctrl-C to terminate
-         run_env='stressed() { while $*; do :; done; }; ' #
-         run_prefix="stressed $run_prefix" ;; #
-    r )  # Repeats test n times
-         run_env="repeated() { for i in $(seq -s ' ' 1 $OPTARG) ; do echo \$i of $OPTARG:; \$*; done; }; " #
-         run_prefix="repeated $run_prefix" ;; #
-    l )  # Additional library
-         ldpreload="$OPTARG " ;; #
-    u )  # Stack limit
-         ;; #
-    q )  # Quiet mode, removes 'done' but prepends any other output by test name
-         OUTPUT='2>&1 | sed -e "s/done//;/^[[:space:]]*$/d;s!^!$exename: !"' ;; #
-    v )  # Verbose mode
-         SUPPRESS='' #
-         verbose=1 ;; #
-esac done #
-shift `expr $OPTIND - 1` #
-[ -z "$OUTPUT" ] && OUTPUT='| sed -e "s/\\r$//"' #
-[ $verbose ] || SUPPRESS='>/dev/null' #
-# Collect the executable name
-exename=$(basename $1) #
-shift #
-
-# Prepare the target directory on the device
-currentdir=$(basename $PWD) #
-targetdir=${ANDROID_TEST_DIRECTORY:-/data/local/tmp/$currentdir} #
-do_cleanup #
-trap do_trap_cleanup INT  # if someone hits control-c, cleanup the device
-
-# Collect the list of files to transfer to the target device, starting with executable itself.
-fnamelist="$exename" #
-# Add the C++ standard library from the NDK, which is required for all tests on Android.
-if [ ! -z "${LIB_STL_ANDROID}" ]; then #
-    fnamelist="$fnamelist ${LIB_STL_ANDROID}" #
-else #
-    fnamelist="$fnamelist libc++_shared.so" #
-fi #
-
-# Find the TBB libraries and add them to the list.
-
-OLD_SEP=$IFS
-IFS=':'
-for dir in $LD_LIBRARY_PATH; do #
-    found="`ls $dir/lib*.so 2>/dev/null` "||: #
-    fnamelist+="$fnamelist $found"
-done #
-IFS=$OLD_SEP
-
-files="$(ls libtbb* 2> /dev/null)" #
-[ -z "$files" ] || fnamelist="$fnamelist $files" #
-
-# Add any libraries built for specific tests.
-exeroot=${exename%\.*} #
-files="$(ls ${exeroot}*.so ${exeroot}*.so.* 2> /dev/null)" #
-[ -z "$files" ] || fnamelist="$fnamelist $files" #
-
-# Transfer collected executable and library files to the target device.
-transfers_ok=1 #
-for fullname in $fnamelist; do { #
-    if [ -r $fullname ]; then { #
-        # Transfer the executable and libraries to top-level target directory
-        if [ "$OS" = 'Windows_NT' ]; then #
-            fullname=`cygpath -m "$fullname"` #
-        fi #
-        [ $verbose ] && echo -n "Pushing $fullname: " #
-        eval "adb push $fullname ${targetdir}/$(basename $fullname) $SUPPRESS 2>&1" #
-    }; else { #
-        echo "Error: required file ${currentdir}/${fullname} for test $exename not available for transfer." #
-        transfers_ok=0 #
-    }; fi #
-}; done #
-if [ "${transfers_ok}" = "0" ]; then { #
-    do_cleanup #
-    exit -1 #
-}; fi #
-# Transfer input files used by example codes by scanning the executable argument list.
-for fullname in "$@"; do { #
-    if [ -r $fullname ]; then { #
-        directory=$(dirname $fullname) #
-        filename=$(basename $fullname) #
-        # strip leading "." from fullname if present
-        if [ "$directory" = "\." ]; then { #
-            directory="" #
-            fullname=$filename #
-        }; fi #
-        # Create the target directory to hold input file if necessary
-        if [ ! -z $directory ]; then { #
-            eval "adb shell 'mkdir $directory' $SUPPRESS 2>&1" #
-        }; fi #
-        # Transfer the input file to corresponding directory on target device
-        [ $verbose ] && echo -n "Pushing $fullname: " #
-        eval "adb push $fullname ${targetdir}/$fullname $SUPPRESS 2>&1" #
-    }; fi #
-}; done #
-
-# Set LD_PRELOAD if necessary
-[ -z "$ldpreload" ] || run_prefix="LD_PRELOAD='$ldpreload' $run_prefix" #
-[ $verbose ] && echo Running $run_prefix ./$exename $* #
-run_env="$run_env cd $targetdir; export LD_LIBRARY_PATH=." #
-[ -z "$VIRTUAL_MACHINE" ] || run_env="$run_env; export VIRTUAL_MACHINE=$VIRTUAL_MACHINE" #
-# The return_code file is the best way found to return the status of the test execution when using adb shell.
-eval 'adb shell "$run_env; $run_prefix ./$exename $* || echo -n \$? >error_code"' "${OUTPUT}" #
-# Capture the return code string and remove the trailing \r from the return_code file contents
-err=`adb shell "cat $targetdir/error_code 2>/dev/null"` #
-[ -z $err ] || echo $exename: exited with error $err #
-do_cleanup #
-# Return the exit code of the test.
-exit $err #
diff --git a/build/clang.inc b/build/clang.inc
deleted file mode 100644
index 3a06f4f..0000000
--- a/build/clang.inc
+++ /dev/null
@@ -1,21 +0,0 @@
-#===-- clang.inc ---------------------------------------------------------===##
-#
-# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-# See https://llvm.org/LICENSE.txt for license information.
-# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-#
-#===----------------------------------------------------------------------===##
-
-override compiler:=clang++
-
-ifneq ($(target),android)
-    PSTL_ARCH += $(KEY)march=native
-endif
-
-XHOST_FLAG = -fno-vectorize
-CPLUS_FLAGS += $(FQKEY)std=$(stdver)
-# XHOST_FLAG = $(KEY)mavx2 -fno-vectorize
-# XHOST_FLAG = $(KEY)mavx512f -fno-vectorize
-# DYN_LDFLAGS += $(LINK_KEY)c++
-# CPLUS_FLAGS += -stdlib=libc++
-# CPLUS_FLAGS += -fopenmp-simd //it will be supported in he future version
diff --git a/build/gcc.inc b/build/gcc.inc
deleted file mode 100644
index a5c61b5..0000000
--- a/build/gcc.inc
+++ /dev/null
@@ -1,27 +0,0 @@
-#===-- gcc.inc -----------------------------------------------------------===##
-#
-# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-# See https://llvm.org/LICENSE.txt for license information.
-# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-#
-#===----------------------------------------------------------------------===##
-
-override compiler:=g++
-XHOST_FLAG = $(KEY)march=native -fno-tree-vectorize
-#    XHOST_FLAG = $(KEY)mavx2 -fno-tree-vectorize
-#    XHOST_FLAG = $(KEY)mavx512f -fno-tree-vectorize
- DYN_LDFLAGS += $(LINK_KEY)stdc++
-# GCC 4.8.5 and early doesn't  support -fopenmp-simd; GCC 4.9 supports OpenMP 4.0 for C/C++
-ifneq (, $(shell gcc -dumpversion | egrep  "^4\.9\.[0-9]"))
-    CPLUS_FLAGS += -fopenmp-simd
-endif
-ifneq (, $(shell gcc -dumpversion | egrep  "^[5-9]\.[0-9]\.[0-9]"))
-    CPLUS_FLAGS += -fopenmp-simd
-#   CPLUS_FLAGS += -fdump-rtl-loop2 #use this option to enable optimization report
-endif
-
-CPLUS_FLAGS += $(FQKEY)std=$(stdver)
-
-ifeq ($(os_name),windows)
-DISABLED_WARNINGS = $(KEY)Wno-attributes #disable MinGW warnings about extended alignment
-endif
diff --git a/build/icc.inc b/build/icc.inc
deleted file mode 100644
index d666e5c..0000000
--- a/build/icc.inc
+++ /dev/null
@@ -1,23 +0,0 @@
-#===-- icc.inc -----------------------------------------------------------===##
-#
-# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-# See https://llvm.org/LICENSE.txt for license information.
-# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-#
-#===----------------------------------------------------------------------===##
-
-vecreport ?= 0 #may be set to [0..7], see https://software.intel.com/en-us/node/522949 for details
-
-XHOST_FLAG = $(KEY)xHOST -no-vec
-CPLUS_FLAGS += $(QKEY)opt-assume-safe-padding
-
-# XHOST_FLAG = $(KEY)xCORE-AVX2 -no-vec
-# XHOST_FLAG = $(KEY)xSSE4.1 -no-vec
-# XHOST_FLAG = $(KEY)xMIC-AVX512 -no-vec
-
-CPLUS_FLAGS += $(QKEY)openmp-simd
-CPLUS_FLAGS += $(FQKEY)MMD
-CPLUS_FLAGS += $(FQKEY)std=$(stdver)
-CPLUS_FLAGS +=  $(QKEY)opt-report=$(vecreport) $(QKEY)opt-report-phase vec
-
-OPTIMIZATION_DISABLED_FLAGS += $(KEY)debug inline-debug-info
diff --git a/build/icl.inc b/build/icl.inc
deleted file mode 100644
index 52fb6eb..0000000
--- a/build/icl.inc
+++ /dev/null
@@ -1,22 +0,0 @@
-#===-- icl.inc -----------------------------------------------------------===##
-#
-# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-# See https://llvm.org/LICENSE.txt for license information.
-# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-#
-#===----------------------------------------------------------------------===##
-
-vecreport ?= 0 #may be set to [0..7], see https://software.intel.com/en-us/node/522949 for details
-
-XHOST_FLAG = $(QKEY)xHOST
-XHOST_FLAG = $(QKEY)vec-
-# XHOST_FLAG = $(QKEY)xCORE-AVX2
-# XHOST_FLAG = $(QKEY)xSSE4.1
-# XHOST_FLAG = $(QKEY)xMIC-AVX512
-CPLUS_FLAGS += $(QKEY)opt-assume-safe-padding
-CPLUS_FLAGS += $(QKEY)openmp-simd
-CPLUS_FLAGS += $(FQKEY)MMD
-CPLUS_FLAGS += $(FQKEY)std=$(stdver)
-CPLUS_FLAGS += $(QKEY)opt-report:$(vecreport) $(QKEY)opt-report-phase:vec $(QKEY)opt-report-phase:loop
-
-DISABLED_WARNINGS = $(QKEY)diag-disable:2586 #use comma-separated values to specify multiple entries
diff --git a/build/jni/Android.mk b/build/jni/Android.mk
deleted file mode 100644
index 86c6650..0000000
--- a/build/jni/Android.mk
+++ /dev/null
@@ -1,53 +0,0 @@
-#===-- Android.mk --------------------------------------------------------===##
-#
-# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-# See https://llvm.org/LICENSE.txt for license information.
-# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-#
-#===----------------------------------------------------------------------===##
-
-export proj_root?=$(NDK_PROJECT_PATH)/..
-
-ifeq (armeabi-v7a,$(APP_ABI))
-	export SYSROOT:=$(NDK_ROOT)/platforms/$(APP_PLATFORM)/arch-arm
-else ifeq (arm64-v8a,$(APP_ABI))
-	export SYSROOT:=$(NDK_ROOT)/platforms/$(APP_PLATFORM)/arch-arm64
-else
-	export SYSROOT:=$(NDK_ROOT)/platforms/$(APP_PLATFORM)/arch-$(APP_ABI)
-endif
-
-ifeq (windows,$(os_name))
-	export CPATH_SEPARATOR :=;
-else
-	export CPATH_SEPARATOR :=:
-endif
-
-export ANDROID_NDK_ROOT:=$(NDK_ROOT)
-export ndk_version:=$(lastword $(subst -, ,$(ANDROID_NDK_ROOT)))
-ndk_version:= $(firstword $(subst /, ,$(ndk_version)))
-ndk_version:= $(firstword $(subst \, ,$(ndk_version)))
-
-ifeq (clang,$(compiler))
-	# "TBB_RTL :=llvm-libc++/libcxx" should be used for ndk_version r13 r13b r14.
-	TBB_RTL :=llvm-libc++
-	TBB_RTL_LIB :=llvm-libc++
-	TBB_RTL_FILE :=libc++_shared.so
-else
-	TBB_RTL :=gnu-libstdc++/$(NDK_TOOLCHAIN_VERSION)
-	TBB_RTL_LIB :=$(TBB_RTL)
-	TBB_RTL_FILE :=libgnustl_shared.so
-endif
-
-export CPATH := $(INCLUDE)$(CPATH_SEPARATOR)$(SYSROOT)/usr/include$(CPATH_SEPARATOR)$(NDK_ROOT)/sources/cxx-stl/$(TBB_RTL)/include$(CPATH_SEPARATOR)$(NDK_ROOT)/sources/cxx-stl/$(TBB_RTL)/libs/$(APP_ABI)/include$(CPATH_SEPARATOR)$(NDK_ROOT)/sources/android/support/include
-
-LIB_STL_ANDROID_DIR := $(NDK_ROOT)/sources/cxx-stl/$(TBB_RTL_LIB)/libs/$(APP_ABI)
-#LIB_STL_ANDROID is required to be set up for copying Android specific library to a device next to test
-export LIB_STL_ANDROID := $(LIB_STL_ANDROID_DIR)/$(TBB_RTL_FILE)
-export CPLUS_LIB_PATH := $(SYSROOT)/usr/lib -L$(LIB_STL_ANDROID_DIR)
-export target_os_version:=$(APP_PLATFORM)
-export tbb_tool_prefix:=$(TOOLCHAIN_PREFIX)
-export TARGET_CXX
-export TARGET_CC
-export TARGET_CFLAGS
-
-include $(proj_root)/build/Makefile
diff --git a/build/jni/Application.mk b/build/jni/Application.mk
deleted file mode 100644
index 66ebc5c..0000000
--- a/build/jni/Application.mk
+++ /dev/null
@@ -1,60 +0,0 @@
-#===-- Application.mk ----------------------------------------------------===##
-#
-# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-# See https://llvm.org/LICENSE.txt for license information.
-# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-#
-#===----------------------------------------------------------------------===##
-
-
-ifndef os_name
-  # Windows sets environment variable OS; for other systems, ask uname
-  ifeq ($(OS),)
-    OS:=$(shell uname)
-    ifeq ($(OS),)
-      $(error "Cannot detect operating system")
-    endif
-    export os_name=$(OS)
-  endif
-
-  ifeq ($(OS), Windows_NT)
-    export os_name=windows
-  endif
-  ifeq ($(OS), Linux)
-    export os_name=linux
-  endif
-  ifeq ($(OS), Darwin)
-    export os_name=macos
-  endif
-endif
-
-export compiler?=clang
-export arch?=ia32
-export target?=android
-
-ifeq (ia32,$(arch))
-    APP_ABI:=x86
-    export TRIPLE:=i686-linux-android
-else ifeq (intel64,$(arch))
-    APP_ABI:=x86_64
-    export TRIPLE:=x86_64-linux-android
-else ifeq (arm,$(arch))
-    APP_ABI:=armeabi-v7a
-    export TRIPLE:=arm-linux-androideabi
-else ifeq (arm64,$(arch))
-    APP_ABI:=arm64-v8a
-    export TRIPLE:=aarch64-linux-android
-else
-    APP_ABI:=$(arch)
-endif
-
-api_version?=21
-export API_LEVEL:=$(api_version)
-APP_PLATFORM:=android-$(api_version)
-
-ifeq (clang,$(compiler))
-    NDK_TOOLCHAIN_VERSION:=clang
-    APP_STL:=c++_shared
-else
-    NDK_TOOLCHAIN_VERSION:=4.9
-endif
diff --git a/build/macos.inc b/build/macos.inc
deleted file mode 100644
index 8e3e4fa..0000000
--- a/build/macos.inc
+++ /dev/null
@@ -1,9 +0,0 @@
-#===-- macos.inc ---------------------------------------------------------===##
-#
-# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-# See https://llvm.org/LICENSE.txt for license information.
-# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-#
-#===----------------------------------------------------------------------===##
-
-DYN_LDFLAGS += -Wl,-rpath,$(TBBROOT)/lib
diff --git a/build/mingw.inc b/build/mingw.inc
deleted file mode 100644
index f0b3acc..0000000
--- a/build/mingw.inc
+++ /dev/null
@@ -1,49 +0,0 @@
-#===-- mingw.inc ---------------------------------------------------------===##
-#
-# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-# See https://llvm.org/LICENSE.txt for license information.
-# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-#
-#===----------------------------------------------------------------------===##
-
-PYTHON = python
-KEY = -
-QKEY = $(KEY)q
-FKEY = $(KEY)
-FQKEY = $(KEY)
-MACHINE_KEY = $(KEY)m
-OBJ_SFX = .o
-DEL_CMD = del /F
-RUN_CMD = 
-COMMAND_SEPARATOR = &
-compiler ?= gcc
-COMPILER_NOLOGO_KEY =
-OPTIMIZATION_DISABLED_FLAGS = $(KEY)Og $(KEY)g
-OPTIMIZATION_ENABLED_FLAGS +=  $(KEY)O2
-TBB_LIB_NAME = tbb
-CPLUS = $(compiler)
-LD = $(CPLUS)
-
-USE_SHARED_CPPRUNTIME_KEY =
-LINK_KEY = $(KEY)l
-
-LD_OUT_KEY = $(KEY)o
-DYN_LDFLAGS += -L. -L$(proj_root)/build
-
-ifneq ($(PSTL_LIB_NAME), )
-    PSTL_LIB_LINK += $(LINK_KEY)$(PSTL_LIB_NAME)$(PSTL_LIB_EXT)
-endif
-
-ifeq ($(backend),tbb)
-    DYN_LDFLAGS += $(LINK_KEY)$(TBB_LIB_NAME)
-endif
-
-ifeq ($(arch),intel64)
-    PSTL_ARCH = $(MACHINE_KEY)64
-else ifeq ($(arch),ia32)
-    PSTL_ARCH = $(MACHINE_KEY)32
-else ifeq ($(arch),)
-    $(info arch=native by default)
-else
-    PSTL_ARCH = $(MACHINE_KEY)$(arch)
-endif
diff --git a/build/unix.inc b/build/unix.inc
deleted file mode 100644
index 13e1a23..0000000
--- a/build/unix.inc
+++ /dev/null
@@ -1,50 +0,0 @@
-#===-- unix.inc ----------------------------------------------------------===##
-#
-# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-# See https://llvm.org/LICENSE.txt for license information.
-# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-#
-#===----------------------------------------------------------------------===##
-
-PYTHON = python
-KEY = -
-QKEY = $(KEY)q
-FKEY = $(KEY)
-FQKEY = $(KEY)
-MACHINE_KEY = $(KEY)m
-OBJ_SFX = .o
-DEL_CMD = rm $(KEY)f
-RUN_CMD = ./
-COMMAND_SEPARATOR = ;
-compiler ?= icc
-COMPILER_NOLOGO_KEY =
-OPTIMIZATION_DISABLED_FLAGS = $(KEY)O0 $(KEY)g
-OPTIMIZATION_ENABLED_FLAGS +=  $(KEY)O2
-TBB_LIB_NAME = tbb
-CPLUS = $(compiler)
-LD = $(CPLUS)
-
-USE_SHARED_CPPRUNTIME_KEY =
-LINK_KEY = $(KEY)l
-
-LD_OUT_KEY = $(KEY)o
-DYN_LDFLAGS += -L. -L$(proj_root)/build
-
-ifneq ($(PSTL_LIB_NAME), )
-    PSTL_LIB_LINK += $(LINK_KEY)$(PSTL_LIB_NAME)$(PSTL_LIB_EXT)
-endif
-
-ifeq ($(backend), tbb)
-    DYN_LDFLAGS += $(LINK_KEY)$(TBB_LIB_NAME)
-endif
-
-
-ifeq ($(arch),intel64)
-    PSTL_ARCH = $(MACHINE_KEY)64
-else ifeq ($(arch),ia32)
-    PSTL_ARCH = $(MACHINE_KEY)32
-else ifeq ($(arch),)
-    $(info arch=native by default)
-else
-    PSTL_ARCH = $(MACHINE_KEY)$(arch)
-endif
diff --git a/build/windows.inc b/build/windows.inc
deleted file mode 100644
index 1c6641b..0000000
--- a/build/windows.inc
+++ /dev/null
@@ -1,53 +0,0 @@
-#===-- windows.inc -------------------------------------------------------===##
-#
-# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-# See https://llvm.org/LICENSE.txt for license information.
-# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-#
-#===----------------------------------------------------------------------===##
-
-PYTHON = python
-compiler ?= icl
-LD = LINK
-KEY = /
-LINK_KEY =
-QKEY = $(KEY)Q
-FKEY = $(KEY)F
-FQKEY = $(QKEY)
-MACHINE_KEY = $(QKEY)
-OBJ_SFX = .obj
-DEL_CMD = del $(KEY)F
-RUN_CMD =
-COMMAND_SEPARATOR = &
-COMPILER_NOLOGO_KEY = $(KEY)nologo
-OPTIMIZATION_DISABLED_FLAGS = $(KEY)Od $(KEY)Zi $(KEY)DEBUG $(KEY)Fd"$*.pdb"
-OPTIMIZATION_ENABLED_FLAGS = $(KEY)O2 $(KEY)DNDEBUG
-LD_OUT_KEY = $(KEY)OUT:
-
-ifneq ($(PSTL_LIB_NAME), )
-    PSTL_LIB_EXT = .lib
-    PSTL_LIB_LINK += $(LINK_KEY)$(PSTL_LIB_NAME)$(PSTL_LIB_EXT)
-endif
-# Do not update LDFLAGS with corresponding TBB_LIB_NAME here, because of
-# implicit linkage capability of TBB library
-
-ifeq ($(cfg),debug)
-    LINK_KEY += $(KEY)debug
-    USE_SHARED_CPPRUNTIME_KEY += $(KEY)MDd $(KEY)EHsc
-    BACKEND_MACRO += -DTBB_USE_DEBUG=1
-else
-    USE_SHARED_CPPRUNTIME_KEY += $(KEY)MD $(KEY)EHsc
-endif
-
-ifneq (, $(filter $(compiler), cl icl))
-    CPLUS_FLAGS += $(KEY)bigobj
-endif
-
-
-DYN_LDFLAGS += $(LINK_KEY)
-
-ifneq (,$(filter uwp,$(target_app) $(target_ui)))
-    CPLUS_FLAGS += /ZW:nostdlib /D "_UNICODE" /D "UNICODE" /D "WINAPI_FAMILY=WINAPI_FAMILY_APP"
-    _WIN32_WINNT = 0x0A00
-    DYN_LDFLAGS += /NODEFAULTLIB:"kernel32.lib" OneCore.lib
-endif