我正在尝试在Mac上安装xgboost。我按照github上的说明操作，但是当我运行make -j4时出现错误：
c++ -std=c++0x -Wall -O3 -msse2 -Wno-unknown-pragmas -funroll-loops -Iinclude -Idmlc-core/include -Irabit/include -fPIC -DDISABLE_OPENMP -o xgboost build/cli_main.o build/learner.o build/logging.o build/c_api/c_api.o build/c_api/c_api_error.o build/common/common.o build/data/data.o build/data/simple_csr_source.o build/data/simple_dmatrix.o build/data/sparse_page_dmatrix.o build/data/sparse_page_raw_format.o build/data/sparse_page_source.o build/data/sparse_page_writer.o build/gbm/gblinear.o build/gbm/gbm.o build/gbm/gbtree.o build/metric/elementwise_metric.o build/metric/metric.o build/metric/multiclass_metric.o build/metric/rank_metric.o build/objective/multiclass_obj.o build/objective/objective.o build/objective/rank_obj.o build/objective/regression_obj.o build/tree/tree_model.o build/tree/tree_updater.o build/tree/updater_colmaker.o build/tree/updater_histmaker.o build/tree/updater_prune.o build/tree/updater_refresh.o build/tree/updater_skmaker.o build/tree/updater_sync.o dmlc-core/libdmlc.a rabit/lib/librabit_empty.a -pthread -lm
ar crv lib/libxgboost.a
c++ -std=c++0x -Wall -O3 -msse2 -Wno-unknown-pragmas -funroll-loops -Iinclude -Idmlc-core/include -Irabit/include -fPIC -DDISABLE_OPENMP -shared -o lib/libxgboost.so build/learner.o build/logging.o build/c_api/c_api.o build/c_api/c_api_error.o build/common/common.o build/data/data.o build/data/simple_csr_source.o build/data/simple_dmatrix.o build/data/sparse_page_dmatrix.o build/data/sparse_page_raw_format.o build/data/sparse_page_source.o build/data/sparse_page_writer.o build/gbm/gblinear.o build/gbm/gbm.o build/gbm/gbtree.o build/metric/elementwise_metric.o build/metric/metric.o build/metric/multiclass_metric.o build/metric/rank_metric.o build/objective/multiclass_obj.o build/objective/objective.o build/objective/rank_obj.o build/objective/regression_obj.o build/tree/tree_model.o build/tree/tree_updater.o build/tree/updater_colmaker.o build/tree/updater_histmaker.o build/tree/updater_prune.o build/tree/updater_refresh.o build/tree/updater_skmaker.o build/tree/updater_sync.o dmlc-core/libdmlc.a rabit/lib/librabit_empty.a -pthread -lm
ar: no archive members specified
usage: ar -d [-TLsv] archive file ...
ar -m [-TLsv] archive file ...
ar -m [-abiTLsv] position archive file ...
ar -p [-TLsv] archive [file ...]
ar -q [-cTLsv] archive file ...
ar -r [-cuTLsv] archive file ...
ar -r [-abciuTLsv] position archive file ...
ar -t [-TLsv] archive [file ...]
ar -x [-ouTLsv] archive [file ...]
make: *** [lib/libxgboost.a] Error 1
make: *** Waiting for unfinished jobs....
clang: warning: argument unused during compilation: '-pthread'
clang: warning: argument unused during compilation: '-pthread'
如果我只运行make（没有-j4），我会得到：
$ make
ar crv lib/libxgboost.a
ar: no archive members specified
usage: ar -d [-TLsv] archive file ...
ar -m [-TLsv] archive file ...
ar -m [-abiTLsv] position archive file ...
ar -p [-TLsv] archive [file ...]
ar -q [-cTLsv] archive file ...
ar -r [-cuTLsv] archive file ...
ar -r [-abciuTLsv] position archive file ...
ar -t [-TLsv] archive [file ...]
ar -x [-ouTLsv] archive [file ...]
make: *** [lib/libxgboost.a] Error 1
知道造成这种情况的原因以及我如何解决这个问题？
虽然我可能错了但我认为是因为mac上的归档实用程序ar太旧了（从2005年开始）：
$ man ar
AR(1) BSD General Commands Manual AR(1)
NAME
ar -- create and maintain library archives
SYNOPSIS
...
...
Darwin July 27, 2005 Darwin
如何将ar更新到OS X上的最新版本？
以下是供您参考的makefile：
ifndef config
ifneq ("$(wildcard ./config.mk)","")
config = config.mk
else
config = make/config.mk
endif
endif
ifndef DMLC_CORE
DMLC_CORE = dmlc-core
endif
ifndef RABIT
RABIT = rabit
endif
ROOTDIR = $(CURDIR)
ifeq ($(OS), Windows_NT)
UNAME="Windows"
else
UNAME=$(shell uname)
endif
include $(config)
ifeq ($(USE_OPENMP), 0)
export NO_OPENMP = 1
endif
include $(DMLC_CORE)/make/dmlc.mk
# include the plugins
include $(XGB_PLUGINS)
# use customized config file
ifndef CC
export CC = $(if $(shell which gcc-5),gcc-5,gcc)
endif
ifndef CXX
export CXX = $(if $(shell which g++-5),g++-5,g++)
endif
export LDFLAGS= -pthread -lm $(ADD_LDFLAGS) $(DMLC_LDFLAGS) $(PLUGIN_LDFLAGS)
export CFLAGS= -std=c++0x -Wall -O3 -msse2 -Wno-unknown-pragmas -funroll-loops -Iinclude $(ADD_CFLAGS) $(PLUGIN_CFLAGS)
CFLAGS += -I$(DMLC_CORE)/include -I$(RABIT)/include
#java include path
export JAVAINCFLAGS = -I${JAVA_HOME}/include -I./java
ifndef LINT_LANG
LINT_LANG= "all"
endif
ifneq ($(UNAME), Windows)
CFLAGS += -fPIC
XGBOOST_DYLIB = lib/libxgboost.so
else
XGBOOST_DYLIB = lib/libxgboost.dll
endif
ifeq ($(UNAME), Linux)
LDFLAGS += -lrt
JAVAINCFLAGS += -I${JAVA_HOME}/include/linux
endif
ifeq ($(UNAME), Darwin)
JAVAINCFLAGS += -I${JAVA_HOME}/include/darwin
endif
ifeq ($(USE_OPENMP), 1)
CFLAGS += -fopenmp
else
CFLAGS += -DDISABLE_OPENMP
endif
# specify tensor path
.PHONY: clean all lint clean_all doxygen rcpplint pypack Rpack Rbuild Rcheck java
all: lib/libxgboost.a $(XGBOOST_DYLIB) xgboost
$(DMLC_CORE)/libdmlc.a: $(wildcard $(DMLC_CORE)/src/*.cc $(DMLC_CORE)/src/*/*.cc)
+ cd $(DMLC_CORE); make libdmlc.a config=$(ROOTDIR)/$(config); cd $(ROOTDIR)
$(RABIT)/lib/$(LIB_RABIT): $(wildcard $(RABIT)/src/*.cc)
+ cd $(RABIT); make lib/$(LIB_RABIT); cd $(ROOTDIR)
jvm: jvm-packages/lib/libxgboost4j.so
SRC = $(wildcard src/*.cc src/*/*.cc)
ALL_OBJ = $(patsubst src/%.cc, build/%.o, $(SRC)) $(PLUGIN_OBJS)
AMALGA_OBJ = amalgamation/xgboost-all0.o
LIB_DEP = $(DMLC_CORE)/libdmlc.a $(RABIT)/lib/$(LIB_RABIT)
ALL_DEP = $(filter-out build/cli_main.o, $(ALL_OBJ)) $(LIB_DEP)
CLI_OBJ = build/cli_main.o
build/%.o: src/%.cc
@mkdir -p $(@D)
$(CXX) $(CFLAGS) -MM -MT build/$*.o $< >build/$*.d
$(CXX) -c $(CFLAGS) -c $< -o $@
build_plugin/%.o: plugin/%.cc
@mkdir -p $(@D)
$(CXX) $(CFLAGS) -MM -MT build_plugin/$*.o $< >build_plugin/$*.d
$(CXX) -c $(CFLAGS) -c $< -o $@
# The should be equivalent to $(ALL_OBJ) except for build/cli_main.o
amalgamation/xgboost-all0.o: amalgamation/xgboost-all0.cc
$(CXX) -c $(CFLAGS) -c $< -o $@
# Equivalent to lib/libxgboost_all.so
lib/libxgboost_all.so: $(AMALGA_OBJ) $(LIB_DEP)
@mkdir -p $(@D)
$(CXX) $(CFLAGS) -shared -o $@ $(filter %.o %.a, $^) $(LDFLAGS)
lib/libxgboost.a: $(ALL_DEP)
@mkdir -p $(@D)
ar crv $@ $(filter %.o, $?)
lib/libxgboost.dll lib/libxgboost.so: $(ALL_DEP)
@mkdir -p $(@D)
$(CXX) $(CFLAGS) -shared -o $@ $(filter %.o %a, $^) $(LDFLAGS)
jvm-packages/lib/libxgboost4j.so: jvm-packages/xgboost4j/src/native/xgboost4j.cpp $(ALL_DEP)
@mkdir -p $(@D)
$(CXX) $(CFLAGS) $(JAVAINCFLAGS) -shared -o $@ $(filter %.cpp %.o %.a, $^) $(LDFLAGS)
xgboost: $(CLI_OBJ) $(ALL_DEP)
$(CXX) $(CFLAGS) -o $@ $(filter %.o %.a, $^) $(LDFLAGS)
rcpplint:
python2 dmlc-core/scripts/lint.py xgboost ${LINT_LANG} R-package/src
lint: rcpplint
python2 dmlc-core/scripts/lint.py xgboost ${LINT_LANG} include src plugin
clean:
$(RM) -rf build build_plugin lib bin *~ */*~ */*/*~ */*/*/*~ */*.o */*/*.o */*/*/*.o xgboost
clean_all: clean
cd $(DMLC_CORE); make clean; cd $(ROODIR)
cd $(RABIT); make clean; cd $(ROODIR)
doxygen:
doxygen doc/Doxyfile
# create standalone python tar file.
pypack: ${XGBOOST_DYLIB}
pypack: ${XGBOOST_DYLIB}
cp ${XGBOOST_DYLIB} python-package/xgboost
cd python-package; tar cf xgboost.tar xgboost; cd ..
# Script to make a clean installable R package.
Rpack:
make clean_all
rm -rf xgboost xgboost*.tar.gz
cp -r R-package xgboost
rm -rf xgboost/src/*.o xgboost/src/*.so xgboost/src/*.dll
rm -rf xgboost/src/*/*.o
rm -rf xgboost/demo/*.model xgboost/demo/*.buffer xgboost/demo/*.txt
rm -rf xgboost/demo/runall.R
cp -r src xgboost/src/src
cp -r include xgboost/src/include
cp -r amalgamation xgboost/src/amalgamation
mkdir -p xgboost/src/rabit
cp -r rabit/include xgboost/src/rabit/include
cp -r rabit/src xgboost/src/rabit/src
rm -rf xgboost/src/rabit/src/*.o
mkdir -p xgboost/src/dmlc-core
cp -r dmlc-core/include xgboost/src/dmlc-core/include
cp -r dmlc-core/src xgboost/src/dmlc-core/src
cp ./LICENSE xgboost
cat R-package/src/Makevars|sed '2s/.*/PKGROOT=./' | sed '3s/.*/ENABLE_STD_THREAD=0/' > xgboost/src/Makevars
cp xgboost/src/Makevars xgboost/src/Makevars.win
Rbuild:
make Rpack
R CMD build --no-build-vignettes xgboost
rm -rf xgboost
Rcheck:
make Rbuild
R CMD check xgboost*.tar.gz
-include build/*.d
-include build/*/*.d
-include build_plugin/*/*.d
非常感谢。
答案 0 :(得分：1)
brew install clang-omp
export CC=clang-omp
export CXX=clang-omp++
cd python-package
sudo python setup.py install
pip install xgboost
答案 1 :(得分：0)
我在我的linux机器上成功安装了它，make文件没有任何问题，我的ar版本是2.24，所以你说得对，你的binutils很老了，要更新它去https://www.gnu.org/software/binutils/下载2.24版本。
提取并更改目录：
./configure
make
sudo make install