pkg(pony-0.39.0): Use git submodule to install llvm and get the source through cloning.

packages/ponylang/0.39.0/build.sh

@@ -2,27 +2,14 @@
 
 PREFIX=$(realpath $(dirname $0))
 
-# Installing LLVM
-mkdir -p llvm
-cd llvm
-curl -OL "http://llvm.org/releases/3.4/llvm-3.4.src.tar.gz"
-tar xfz llvm-3.4.src.tar.gz
-rm llvm-3.4.src.tar.gz
-cd ..
+# get sources - only get the latest copy of the relevant files
+git clone --depth 1 https://github.com/ponylang/ponyc.git
 
-# get sources
-curl -OL "https://github.com/ponylang/ponyc/archive/refs/tags/0.39.0.tar.gz"
-tar xfz 0.39.0.tar.gz
-rm 0.39.0.tar.gz
+# updates all submodules recursively along their tracking branches
+# i.e. https://github.com/ponylang/ponyc/blob/main/.gitmodules
+git submodule update --recursive --init
 
-# cd into pony dir that was created from tar extraction.
-cd ponyc-0.39.0
-
-# Build the vendored LLVM libraries that are included in the `lib/llvm/src`.
-make libs build_flags="-j$(nproc)"
-# Configure the CMake build directory.
-make configure
-# Will build pony and put it in `build/release`.
-make build
+# build
+make -j$(nproc)
 # Install pony into `$PREFIX`.
 make prefix="$PREFIX" install

packages/ponylang/0.39.0/environment

@@ -1,5 +1,4 @@
 #!/usr/bin/env bash
 
 # Put 'export' statements here for environment variables
-export PATH=$PWD/bin:$PATH
-export LLVM_DIR=$PWD/llvm
+export PATH=$PWD/bin:$PATH