Use compiler CFG files for Intel LLVM to use conda's sysroot and toolchain

Author: oleksandr-pavlyk

conda-recipe/build.sh

@@ -5,18 +5,18 @@
 # activation scripts.
 export LDFLAGS="$LDFLAGS -Wl,-rpath,$PREFIX/lib"
 
+# Intel LLVM must cooperate with compiler and sysroot from conda
+echo "--gcc-toolchain=$PREFIX --sysroot=$PREFIX/$HOST/sysroot -target $HOST" > icpx_for_conda.cfg
+export ICPXCFG=$(pwd)/icpx_for_conda.cfg
+export ICPCFG=$(pwd)/icpx_for_conda.cfg
+
 if [ -e "_skbuild" ]; then
     ${PYTHON} setup.py clean --all
 fi
 export CMAKE_GENERATOR="Ninja"
 SKBUILD_ARGS="-- -DCMAKE_C_COMPILER:PATH=icx -DCMAKE_CXX_COMPILER:PATH=icpx"
 echo "${PYTHON} setup.py install ${SKBUILD_ARGS}"
 
-# Workaround for:
-# DPC++ launched by cmake does not see components of `dpcpp_cpp_rt`,
-# because conda build isolates LD_LIBRARY_PATH to only $PREFIX subfolders.
-export LD_LIBRARY_PATH=${LD_LIBRARY_PATH}:$BUILD_PREFIX/lib
-
 if [ -n "${WHEELS_OUTPUT_FOLDER}" ]; then
     # Install packages and assemble wheel package from built bits
     if [ "$CONDA_PY" == "36" ]; then