Simplify ep kernels installation (#19412)

Signed-off-by: youkaichao <youkaichao@gmail.com>

tools/ep_kernels/install_python_libraries.sh

@@ -13,16 +13,6 @@ fi
 # install dependencies if not installed
 pip3 install cmake torch ninja
 
-# build gdrcopy, required by nvshmem
-pushd $WORKSPACE
-wget https://github.com/NVIDIA/gdrcopy/archive/refs/tags/v2.4.4.tar.gz
-mkdir -p gdrcopy_src
-tar -xvf v2.4.4.tar.gz -C gdrcopy_src --strip-components=1
-pushd gdrcopy_src
-make -j$(nproc)
-make prefix=$WORKSPACE/gdrcopy_install install
-popd
-
 # build nvshmem
 pushd $WORKSPACE
 mkdir -p nvshmem_src
@@ -34,26 +24,30 @@ git init
 git apply -vvv nvshmem.patch
 
 # assume CUDA_HOME is set correctly
-export GDRCOPY_HOME=$WORKSPACE/gdrcopy_install
+if [ -z "$CUDA_HOME" ]; then
+    echo "CUDA_HOME is not set, please set it to your CUDA installation directory."
+    exit 1
+fi
+
+# disable all features except IBGDA
+export NVSHMEM_IBGDA_SUPPORT=1
+
 export NVSHMEM_SHMEM_SUPPORT=0
 export NVSHMEM_UCX_SUPPORT=0
 export NVSHMEM_USE_NCCL=0
-export NVSHMEM_IBGDA_SUPPORT=1
 export NVSHMEM_PMIX_SUPPORT=0
 export NVSHMEM_TIMEOUT_DEVICE_POLLING=0
-export NVSHMEM_USE_GDRCOPY=1
-export NVSHMEM_IBRC_SUPPORT=1
-
-# remove MPI dependency
+export NVSHMEM_USE_GDRCOPY=0
+export NVSHMEM_IBRC_SUPPORT=0
 export NVSHMEM_BUILD_TESTS=0
 export NVSHMEM_BUILD_EXAMPLES=0
 export NVSHMEM_MPI_SUPPORT=0
+export NVSHMEM_BUILD_HYDRA_LAUNCHER=0
+export NVSHMEM_BUILD_TXZ_PACKAGE=0
+export NVSHMEM_TIMEOUT_DEVICE_POLLING=0
 
-cmake -S . -B $WORKSPACE/nvshmem_build/ -DCMAKE_INSTALL_PREFIX=$WORKSPACE/nvshmem_install
-
-cd $WORKSPACE/nvshmem_build/
-make -j$(nproc)
-make install
+cmake -G Ninja -S . -B $WORKSPACE/nvshmem_build/ -DCMAKE_INSTALL_PREFIX=$WORKSPACE/nvshmem_install
+cmake --build $WORKSPACE/nvshmem_build/ --target install
 
 popd