Fix MacOS build error. (#5080)

* Update build script.
* Update build doc.
This commit is contained in:
yage 2019-12-04 19:34:35 +08:00 committed by Jiaming Yuan
parent e3c34c79be
commit dcde433402
2 changed files with 27 additions and 23 deletions

View File

@ -98,11 +98,11 @@ Building on OSX
Install with pip: simple method
--------------------------------
First, obtain ``gcc-8`` with Homebrew (https://brew.sh/) to enable multi-threading (i.e. using multiple CPU threads for training). The default Apple Clang compiler does not support OpenMP, so using the default compiler would have disabled multi-threading.
First, obtain ``gcc-9`` and ``OpenMP`` with Homebrew (https://brew.sh/) to enable multi-threading (i.e. using multiple CPU threads for training). The default Apple Clang compiler does not support OpenMP, so using the default compiler would have disabled multi-threading.
.. code-block:: bash
brew install gcc@8
brew install gcc@9 libomp
Then install XGBoost with ``pip``:
@ -128,7 +128,7 @@ Now clone the repository:
git clone --recursive https://github.com/dmlc/xgboost
Create the ``build/`` directory and invoke CMake. Make sure to add ``CC=gcc-8 CXX=g++-8`` so that Homebrew GCC is selected. After invoking CMake, you can build XGBoost with ``make``:
Create the ``build/`` directory and invoke CMake. Make sure to add ``CC=gcc-9 CXX=g++-9`` so that Homebrew GCC is selected. After invoking CMake, you can build XGBoost with ``make``:
.. code-block:: bash
@ -359,11 +359,11 @@ If all fails, try `Building the shared library`_ to see whether a problem is spe
Installing R package on Mac OSX with multi-threading
----------------------------------------------------
First, obtain ``gcc-8`` with Homebrew (https://brew.sh/) to enable multi-threading (i.e. using multiple CPU threads for training). The default Apple Clang compiler does not support OpenMP, so using the default compiler would have disabled multi-threading.
First, obtain ``gcc-9`` and ``OpenMP`` with Homebrew (https://brew.sh/) to enable multi-threading (i.e. using multiple CPU threads for training). The default Apple Clang compiler does not support OpenMP, so using the default compiler would have disabled multi-threading.
.. code-block:: bash
brew install gcc@8
brew install gcc@9 libomp
Now, clone the repository:
@ -371,13 +371,13 @@ Now, clone the repository:
git clone --recursive https://github.com/dmlc/xgboost
Create the ``build/`` directory and invoke CMake with option ``R_LIB=ON``. Make sure to add ``CC=gcc-8 CXX=g++-8`` so that Homebrew GCC is selected. After invoking CMake, you can install the R package by running ``make`` and ``make install``:
Create the ``build/`` directory and invoke CMake with option ``R_LIB=ON``. Make sure to add ``CC=gcc-9 CXX=g++-9`` so that Homebrew GCC is selected. After invoking CMake, you can install the R package by running ``make`` and ``make install``:
.. code-block:: bash
mkdir build
cd build
CC=gcc-8 CXX=g++-8 cmake .. -DR_LIB=ON
CC=gcc-9 CXX=g++-9 cmake .. -DR_LIB=ON
make -j4
make install

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@ -16,36 +16,40 @@ set -x
oldpath=`pwd`
cd ./xgboost/
GCC_PATH=""
if echo "${OSTYPE}" | grep -q "darwin"; then
LIB_XGBOOST=libxgboost.dylib
# Use OpenMP-capable compiler if possible
if which g++-5; then
export CC=gcc-5
export CXX=g++-5
if [ "v"`sw_vers -buildVersion` -ge "v17G65" ]; then
if which g++-9; then
GCC_PATH="CC=gcc-9 CXX=g++-9"
else
echo "For MacOS version higher than High Sierra, please install gcc@9 first."
fi
elif which g++-5; then
GCC_PATH="CC=gcc-5 CXX=g++-5"
elif which g++-7; then
export CC=gcc-7
export CXX=g++-7
GCC_PATH="CC=gcc-7 CXX=g++-7"
elif which g++-8; then
export CC=gcc-8
export CXX=g++-8
GCC_PATH="CC=gcc-8 CXX=g++-8"
elif which clang++; then
export CC=clang
export CXX=clang++
GCC_PATH="CC=clang CXX=clang++"
fi
else
LIB_XGBOOST=libxgboost.so
fi
#remove the pre-compiled .so and trigger the system's on-the-fly compiling
make clean
if make lib/${LIB_XGBOOST} -j4; then
mkdir -p build
cd build
if [ -f * ]; then
rm -r *
fi
if eval $GCC_PATH" cmake .." && eval $GCC_PATH" make -j4"; then
echo "Successfully build multi-thread xgboost"
else
echo "-----------------------------"
echo "Building multi-thread xgboost failed"
echo "Start to build single-thread xgboost"
make clean
make lib/${LIB_XGBOOST} -j4 USE_OPENMP=0
eval $GCC_PATH" cmake .. -DUSE_OPENMP=0"
eval $GCC_PATH" make -j4"
echo "Successfully build single-thread xgboost"
echo "If you want multi-threaded version"
echo "See additional instructions in doc/build.md"