Imported Upstream version 5.0.0.42

Former-commit-id: fd56571888259555122d8a0f58c68838229cea2b

external/corert/buildscripts/build-native.sh

@@ -0,0 +1,96 @@
+#!/usr/bin/env bash
+
+scriptRoot="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+
+if [ "$BUILDVARS_DONE" != 1 ]; then
+    . $scriptRoot/buildvars-setup.sh $*
+fi
+
+# Check the system to ensure the right pre-reqs are in place
+check_native_prereqs()
+{
+    echo "Checking pre-requisites..."
+
+    # Check presence of CMake on the path
+    hash cmake 2>/dev/null || { echo >&2 "Please install cmake before running this script"; exit 1; }
+
+    # Check for clang
+    hash clang-$__ClangMajorVersion.$__ClangMinorVersion 2>/dev/null ||  hash clang$__ClangMajorVersion$__ClangMinorVersion 2>/dev/null ||  hash clang 2>/dev/null || { echo >&2 "Please install clang before running this script"; exit 1; }
+}
+
+prepare_native_build()
+{
+    # Specify path to be set for CMAKE_INSTALL_PREFIX.
+    # This is where all built CoreClr libraries will copied to.
+    export __CMakeBinDir="$__ProductBinDir"
+
+    # Configure environment if we are doing a verbose build
+    if [ $__VerboseBuild == 1 ]; then
+        export VERBOSE=1
+    fi
+}
+
+
+build_native_corert()
+{
+    # All set to commence the build
+
+    echo "Commencing build of corert native components for $__BuildOS.$__BuildArch.$__BuildType"
+    pushd "$__IntermediatesDir"
+
+    # Regenerate the CMake solution
+    echo "Invoking cmake with arguments: \"$__ProjectRoot\" $__BuildType"
+    "$__ProjectRoot/src/Native/gen-buildsys-clang.sh" "$__ProjectRoot" $__ClangMajorVersion $__ClangMinorVersion $__BuildArch $__BuildType
+
+    # Check that the makefiles were created.
+
+    if [ ! -f "$__IntermediatesDir/Makefile" ]; then
+        echo "Failed to generate native component build project!"
+        popd
+        exit 1
+    fi
+
+    # Get the number of processors available to the scheduler
+    # Other techniques such as `nproc` only get the number of
+    # processors available to a single process.
+    if [ `uname` = "FreeBSD" ]; then
+        NumProc=`sysctl hw.ncpu | awk '{ print $2+1 }'`
+    elif [ `uname` = "NetBSD" ]; then
+        NumProc=$(($(getconf NPROCESSORS_ONLN)+1))
+    else
+        NumProc=$(($(getconf _NPROCESSORS_ONLN)+1))
+    fi
+
+    # Build
+
+    echo "Executing make install -j $NumProc $__UnprocessedBuildArgs"
+
+    make install -j $NumProc $__UnprocessedBuildArgs
+    if [ $? != 0 ]; then
+        echo "Failed to build corert native components."
+        popd
+        exit $?
+    fi
+
+    echo "CoreRT native components successfully built."
+    popd
+}
+
+
+if $__buildnative; then
+
+    # Check prereqs.
+
+    check_native_prereqs
+
+    # Prepare the system
+
+    prepare_native_build
+
+    # Build the corert native components.
+
+    build_native_corert
+
+    # Build complete
+fi
+