bootstrap.sh

@@ -23,7 +23,6 @@ export TT_SYSROOT=$BOOTSTRAP/root
 export TT_TARGET=$TARGET
 
 # Fetch sources required for a bootstrap
-./treetap fetch sources/busybox/busybox.spec
 ./treetap fetch sources/linux/linux.spec
 ./treetap fetch sources/llvm/llvm.spec
 ./treetap fetch sources/musl/musl.spec
@@ -84,6 +83,7 @@ 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
@@ -211,34 +211,21 @@ cmake -S llvm -B build-llvm \
     -DLLVM_TABLEGEN=$NATIVE_TOOL_DIR/llvm-tblgen
 cmake --build build-llvm
 cmake --install build-llvm --parallel $PROCS
+# NOTE: LLVM doesn't add symlinks for clang/ld, 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 Busybox
+# Build remaining software with treetap
-BUSYBOX_VERSION=$(sed -En "s/SRC_VERSION=\"?(.+)\"/\1/p" $SPEC/busybox/busybox.spec)
+SOURCES=(busybox make)
-tar xf $SOURCES/busybox/$BUSYBOX_VERSION/busybox-*.tar*
+for name in $SOURCES; do
-cd busybox-*/
+    $TREETAP fetch $SPEC/$name/$name.spec
-# NOTE: Like we did with musl before, we don't set CROSS_COMPILE because LLVM is
+    $TREETAP build $SPEC/$name/$name.spec
-#       smart and doesn't need a compiler to cross-compile code. With that said,
+    $TREETAP package $SPEC/$name/$name.spec
-#       Busybox uses Kbuild, which hard-codes variables like CC to GNU-based
+    $TREETAP install .treetap/packages/$TARGET/$name-*.cpio.xz $BOOTSTRAP/root
-#       tools, which is not what we want. The following sed hack should do the
+done
-#       trick, but I wonder if there's a better solution. ~ahill
-sed -i "s/?*= \$(CROSS_COMPILE)/?= /" Makefile
-make -O -j $PROCS defconfig
-# NOTE: tc causes a LOT of issues due to undefined things. We don't really need
-#       "traffic control" at this time, and when we eventually do, we will
-#       likely use something else. ~ahill
-sed -i "s/CONFIG_TC=.*/CONFIG_TC=n/" .config
-make -O -j $PROCS
-# NOTE: Busybox doesn't appear to have a proper DESTDIR, so we just set
-#       CONFIG_PREFIX during the install step to work around this. ~ahill
-make -O -j $PROCS install CONFIG_PREFIX=$BOOTSTRAP/root
-cd ..
-
-# Build Make
-$TREETAP fetch $SPEC/make/make.spec
-$TREETAP build $SPEC/make/make.spec
-$TREETAP package $SPEC/make/make.spec
-$TREETAP install .treetap/packages/$TARGET/make-*.cpio.xz $BOOTSTRAP/root
 
 # Install Treetap
 cp $BOOTSTRAP/../treetap $BOOTSTRAP/root/bin/

sources/busybox/busybox.spec

@@ -1,19 +1,28 @@
 # Maintainer: Alexander Hill <ahill@breadpudding.dev>
 SRC_HASH="b8cc24c9574d809e7279c3be349795c5d5ceb6fdf19ca709f80cde50e47de314"
 SRC_NAME="busybox"
+SRC_PATCHES="
+6b362ba1231e55cbff68ae9c9fdaa5749d459deed22cac5402cb83f0d8794a89  .config
+"
 SRC_URL="https://busybox.net/downloads/busybox-1.36.1.tar.bz2"
 SRC_VERSION="1.36.1"
 
 build() {
     tar xf ../$SRC_FILENAME
     cd busybox-*/
-    # NOTE: For some reason, Busybox hard-codes GNU tools in the Makefile. This
+    # NOTE: Like we did with musl before, we don't set CROSS_COMPILE because
-    #       simple hack allows the environment to override the Makefile. ~ahill
+    #       LLVM is smart and doesn't need a compiler to cross-compile code.
+    #       With that said, Busybox uses Kbuild, which hard-codes variables like
+    #       CC to GNU-based tools, which is not what we want. The following sed
+    #       hack should do the trick, but I wonder if there's a better solution.
+    #       ~ahill
     sed -i "s/?*= \$(CROSS_COMPILE)/?= /" Makefile
-    make -O -j $TT_PROCS defconfig
+    # NOTE: Apparently, Busybox fails to properly check for ncurses since the
-    # FIXME: tc complains about undefined values, causing the compilation to
+    #       test compiles a main function without a return value type, causing
-    #        fail. What causes this? ~ahill
+    #       the compilation to fail. This patch fixes the issue by making the
-    sed -i "s/CONFIG_TC=.*/CONFIG_TC=n/" .config
+    #       returned type "void". This doesn't actually affect the build, but
+    #       I'm not sure where else to put this. ~ahill
+    sed -i "s/main()/void main()/" scripts/kconfig/lxdialog/check-lxdialog.sh
     make -O -j $TT_PROCS
 }
 

treetap

@@ -50,6 +50,8 @@
 #   SRC_FILENAME - The name of the tarball to extract (optional)
 #   SRC_HASH     - The hash of the tarball for verification purposes (required)
 #   SRC_NAME     - The name of the package being built (required)
+#   SRC_PATCHES  - A list of SHA256 hashes followed by their filenames to be
+#                  copied to the build directory (optional)
 #   SRC_URL      - The URL of the tarball to be downloaded (required)
 #   SRC_VERSION  - The version of the package being built (required)