Lots of work on the build system

scripts/create-sysroot.sh

@@ -0,0 +1,20 @@
+#!/bin/bash
+
+source_dir=$1
+build_dir=$2
+platform=$3
+machine=$4
+
+echo "Building $machine-$platform sysroot"
+mkdir -p $build_dir/sysroot/usr/include/{sys,machine}
+
+cp $source_dir/photon/libc/include/*.h $build_dir/sysroot/usr/include
+
+platform_headers=$(find $source_dir/photon/libc/sys/$platform -type f \( -iname "*.h" ! -iname "__*" \))
+cp -t $build_dir/sysroot/usr/include/sys $platform_headers
+
+machine_arch_headers=$(find $source_dir/photon/libc/machine/$machine/ \
+                    -type f \( -iname "*.h" ! -iname "__*" \))
+machine_generic_headers=$(find $source_dir/photon/libc/include/machine/ \
+                    -type f \( -iname "*.h" ! -iname "__*" \))
+cp -t $build_dir/sysroot/usr/include/machine $machine_generic_headers $machine_arch_headers