Generate self-hosted with installed compiler

self_hosted_build.sh

@@ -0,0 +1,11 @@
+#!/usr/bin/env bash
+set -eu
+if [[ -z "${BOOTSTRAP_COMPILER:-}" ]]; then
+    BOOTSTRAP_COMPILER=$HOME/bloat-buster-artifacts/releases/main/compiler_generic
+fi
+
+if [[ -z "${CMAKE_PREFIX_PATH:-}" ]]; then
+    CMAKE_PREFIX_PATH=$HOME/dev/llvm/install/llvm_20.1.7_x86_64-linux-Release
+fi
+
+$BOOTSTRAP_COMPILER compile src/compiler.bbb

self_hosted_generate.sh

@@ -0,0 +1,54 @@
+#!/usr/bin/env bash
+set -eux
+
+if [[ -z "${LLVM_VERSION:-}" ]]; then
+    LLVM_VERSION=20.1.7
+fi
+
+if [[ -z "${BB_CI:-}" ]]; then
+    BB_CI=0
+fi
+
+if [[ -z "${CMAKE_BUILD_TYPE:-}" ]]; then
+    CMAKE_BUILD_TYPE=Debug
+    LLVM_CMAKE_BUILD_TYPE=Release
+else
+    LLVM_CMAKE_BUILD_TYPE=$CMAKE_BUILD_TYPE
+fi
+
+BIRTH_NATIVE_OS_STRING=$OSTYPE
+
+case "$BIRTH_NATIVE_OS_STRING" in
+    darwin*) BIRTH_OS="macos";;
+    linux*) BIRTH_OS="linux";;
+    msys*) BIRTH_OS="windows";;
+    *) exit 1
+esac
+
+BIRTH_NATIVE_ARCH_STRING="$(uname -m)"
+
+case "$BIRTH_NATIVE_ARCH_STRING" in
+    x86_64) BIRTH_ARCH="x86_64";;
+    arm64) BIRTH_ARCH="aarch64";;
+    *) exit 1
+esac
+
+if [[ -z "${CMAKE_PREFIX_PATH:-}" ]]; then
+    CMAKE_PREFIX_PATH=$HOME/dev/llvm/install/llvm_${LLVM_VERSION}_${BIRTH_ARCH}-${BIRTH_OS}-${LLVM_CMAKE_BUILD_TYPE}
+fi
+
+if [[ -z "${CLANG_PATH:-}" ]]; then
+    CLANG_PATH=clang
+    CLANGXX_PATH=clang++
+fi
+
+OPT_ARGS=""
+
+case "${CMAKE_BUILD_TYPE%%-*}" in
+    Debug) OPT_ARGS="-O0 -g";;
+    Release*) OPT_ARGS="-O3";;
+    *) exit 1;;
+esac
+
+mkdir -p self-hosted-bb-cache
+$CLANG_PATH -c tests/c_abi.c -o self-hosted-bb-cache/c_abi.o $OPT_ARGS -std=gnu2x