Updated treetap, fixed the bootstrap, and replaced ld.lld with mold

bootstrap.sh

@@ -1,6 +1,6 @@
 #!/bin/zsh -e
 
-MICROARCH="skylake"
+MICROARCH=skylake
 TARGET=x86_64-maple-linux-musl
 
 # Set the environment up
@@ -10,22 +10,29 @@ PROCS=$(nproc)
 SOURCES=$(pwd)/.treetap/sources
 SPEC=$(pwd)/sources
 export AR=llvm-ar
-export CC=clang
-export CFLAGS="-fuse-ld=lld -O3 -march=$MICROARCH -pipe --sysroot=$BOOTSTRAP/root -Wno-unused-command-line-argument"
-export CXX=clang++
+export AS=llvm-as
+if [ ! -z "$CCACHE" ]; then
+    export CC="$CCACHE clang"
+    export CXX="$CCACHE clang++"
+else
+    export CC=clang
+    export CXX=clang++
+fi
+export CFLAGS="-fuse-ld=mold -O3 -march=$MICROARCH -pipe --sysroot=$BOOTSTRAP/root -Wno-unused-command-line-argument"
 export CXXFLAGS=$CFLAGS
 export RANLIB=llvm-ranlib
-export LD=ld.lld
+export LD=mold
 export LDFLAGS="--sysroot=$BOOTSTRAP/root"
 export TREETAP=$(pwd)/treetap
 export TT_DIR=$(pwd)/.treetap
+export TT_MICROARCH=$MICROARCH
 export TT_SYSROOT=$BOOTSTRAP/root
 export TT_TARGET=$TARGET
 
 # Fetch sources required for a bootstrap
-./treetap fetch sources/linux/linux.spec
-./treetap fetch sources/llvm/llvm.spec
-./treetap fetch sources/musl/musl.spec
+$TREETAP fetch sources/linux/linux.spec
+$TREETAP fetch sources/llvm/llvm.spec
+$TREETAP fetch sources/musl/musl.spec
 
 # Make sure both clang-tblgen and llvm-tblgen are in the PATH. ~ahill
 which clang-tblgen > /dev/null
@@ -48,22 +55,31 @@ mkdir -p $BOOTSTRAP/build
 cd $BOOTSTRAP/build
 
 # Define the target for Maple Linux
+# NOTE: We run cut on CC and CXX just in case ccache is in use. ~ahill
 cat << EOF > $BOOTSTRAP/$TARGET.cmake
 set(CMAKE_ASM_COMPILER_TARGET $TARGET)
-set(CMAKE_C_COMPILER $CC)
+set(CMAKE_C_COMPILER $(echo $CC | cut -d" " -f2))
 set(CMAKE_C_COMPILER_TARGET $TARGET)
 set(CMAKE_C_FLAGS_INIT "$CFLAGS")
-set(CMAKE_CXX_COMPILER $CXX)
+set(CMAKE_CXX_COMPILER $(echo $CXX | cut -d" " -f2))
 set(CMAKE_CXX_COMPILER_TARGET $TARGET)
 set(CMAKE_CXX_FLAGS_INIT "$CXXFLAGS")
 set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
 set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
 set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
 set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
-set(CMAKE_LINKER_TYPE LLD)
+set(CMAKE_LINKER_TYPE MOLD)
 set(CMAKE_SYSROOT "$BOOTSTRAP/root")
 set(CMAKE_SYSTEM_NAME Linux)
 EOF
+# NOTE: CMake doesn't like dealing with ccache inside of CC/CXX, so we do this
+#       instead. ~ahill
+if [ ! -z "$CCACHE" ]; then
+cat << EOF >> $BOOTSTRAP/$TARGET.cmake
+set(CMAKE_C_COMPILER_LAUNCHER $CCACHE)
+set(CMAKE_CXX_COMPILER_LAUNCHER $CCACHE)
+EOF
+fi
 
 # Install headers for Linux
 LINUX_VERSION=$(sed -En "s/SRC_VERSION=\"?(.+)\"/\1/p" $SPEC/linux/linux.spec)
@@ -83,7 +99,6 @@ cd ..
 # Install headers for musl
 MUSL_VERSION=$(sed -En "s/SRC_VERSION=\"?(.+)\"/\1/p" $SPEC/musl/musl.spec)
 tar xf $SOURCES/musl/$MUSL_VERSION/musl-*.tar*
-./treetap fetch sources/busybox/busybox.spec
 cd musl-*/
 # NOTE: Patch for musl 1.2.5 to prevent a character encoding vulnerability. This
 #       should be safe to remove after the next release. ~ahill
@@ -119,19 +134,12 @@ cmake --install build-builtins --parallel $PROCS
 cd ..
 
 # Build musl for real this time
-cd musl-*/
-make clean
 # NOTE: LIBCC is required here because it will attempt to link with the build
 #       system's runtime if this is not specified. ~ahill
 LIBCC="$BOOTSTRAP/root/lib/clang/$LLVM_MAJOR_VERSION/lib/linux/libclang_rt.builtins-x86_64.a" \
-./configure \
-    --bindir=/bin \
-    --includedir=/usr/include \
-    --libdir=/lib \
-    --prefix=/
-make -O -j $PROCS
-make -O -j $PROCS install DESTDIR=$BOOTSTRAP/root
-cd ..
+$TREETAP build $SPEC/musl/musl.spec
+$TREETAP package $SPEC/musl/musl.spec
+$TREETAP install $TT_DIR/packages/$MICROARCH/musl-*.cpio.xz $BOOTSTRAP/root
 
 # Include compiler-rt and musl in our environment
 export CFLAGS="$CFLAGS -Qunused-arguments -rtlib=compiler-rt -Wl,--dynamic-linker=/lib/ld-musl-$ARCH.so.1"
@@ -193,7 +201,7 @@ NATIVE_TOOL_DIR=$(dirname $(which llvm-tblgen) | sed -z "s/\n//g")
 cd llvm-project-*/
 cmake -S llvm -B build-llvm \
     -DCLANG_DEFAULT_CXX_STDLIB=libc++ \
-    -DCLANG_DEFAULT_LINKER=lld \
+    -DCLANG_DEFAULT_LINKER=mold \
     -DCLANG_DEFAULT_RTLIB=compiler-rt \
     -DCLANG_DEFAULT_UNWINDLIB=libunwind \
     -DCLANG_TABLEGEN=$NATIVE_TOOL_DIR/clang-tblgen \
@@ -202,30 +210,29 @@ cmake -S llvm -B build-llvm \
     -DCMAKE_INSTALL_PREFIX=$BOOTSTRAP/root \
     -DCMAKE_TOOLCHAIN_FILE=$BOOTSTRAP/$TARGET.cmake \
     -DLLVM_ENABLE_LIBCXX=ON \
-    -DLLVM_ENABLE_PROJECTS="clang;lld;llvm" \
+    -DLLVM_ENABLE_PROJECTS="clang;llvm" \
     -DLLVM_ENABLE_ZSTD=OFF \
     -DLLVM_HOST_TRIPLE=$TARGET \
     -DLLVM_INSTALL_BINUTILS_SYMLINKS=ON \
     -DLLVM_INSTALL_CCTOOLS_SYMLINKS=ON \
     -DLLVM_NATIVE_TOOL_DIR=$NATIVE_TOOL_DIR \
     -DLLVM_TABLEGEN=$NATIVE_TOOL_DIR/llvm-tblgen
-cmake --build build-llvm
+cmake --build build-llvm --parallel $PROCS
 cmake --install build-llvm --parallel $PROCS
-# NOTE: LLVM doesn't add symlinks for clang/ld, so we'll make them ourselves.
+# NOTE: LLVM doesn't add symlinks for clang, so we'll make them ourselves.
 #       ~ahill
 ln -s clang $BOOTSTRAP/root/bin/cc
 ln -s clang++ $BOOTSTRAP/root/bin/c++
-ln -s ld.lld $BOOTSTRAP/root/bin/ld
 cd ..
 
 # Build remaining software with treetap
-SOURCES=(busybox make)
+SOURCES=(busybox make mold)
 for name in $SOURCES; do
     $TREETAP fetch $SPEC/$name/$name.spec
     $TREETAP build $SPEC/$name/$name.spec
     $TREETAP package $SPEC/$name/$name.spec
-    $TREETAP install .treetap/packages/$TARGET/$name-*.cpio.xz $BOOTSTRAP/root
+    $TREETAP install $TT_DIR/packages/$MICROARCH/$name-*.cpio.xz $BOOTSTRAP/root
 done
 
 # Install Treetap
-cp $BOOTSTRAP/../treetap $BOOTSTRAP/root/bin/
+cp $TREETAP $BOOTSTRAP/root/bin/