WIP: Move krun-init to a separate .so library (similar to libkrunfw)

.github/actions/setup-build-env/action.yml

@@ -9,6 +9,9 @@ runs:
         rustup update stable
         rustup default stable
         rustup component add rustfmt clippy
+        rustup target add x86_64-unknown-freebsd
+        rustup toolchain install nightly
+        rustup component add rust-src --toolchain nightly
 
     - name: Cache Cargo dependencies
       uses: actions/cache@v4

.github/workflows/cross-compilation.yml

@@ -35,7 +35,7 @@ jobs:
       - name: Install cross-compilation dependencies
         run: |
           sudo apt-get update
-          sudo apt-get install -y --no-install-recommends lld
+          sudo apt-get install -y --no-install-recommends clang lld
 
       - name: Build FreeBSD init on Linux
         run: make BUILD_BSD_INIT=1 -- init/init-freebsd
@@ -52,7 +52,7 @@ jobs:
       - name: Install cross-compilation dependencies
         run: |
           sudo apt-get update
-          sudo apt-get install -y --no-install-recommends lld
+          sudo apt-get install -y --no-install-recommends clang lld
 
       - name: Build FreeBSD init on Linux aarch64
         run: make BUILD_BSD_INIT=1 -- init/init-freebsd

.gitignore

@@ -7,6 +7,8 @@ __pycache__
 *.pyc
 *~
 /libkrun.pc
+/libkrun_init.pc
+init/init
 init/nitro/init
 examples/chroot_vm
 examples/launch-tee
@@ -16,5 +18,7 @@ examples/nitro
 examples/consoles
 examples/rootfs_fedora
 test-prefix
+
+# Cross-compilation sysroots (downloaded by Makefile)
 /linux-sysroot
 /freebsd-sysroot