feat: add llm-php-ext build support across platforms

- Add Rust toolchain installation via rustup
- Install cargo-php for building PHP extensions
- Clone and build llm-php-ext with static linking
- Enable llm extension in PHP configure for Alpine, Linux, and OSX

Author: donhardman

.github/workflows/release.yml

@@ -103,7 +103,7 @@ jobs:
             use_buildx: true
             run: ""
           - name: AMD64 native on OSX
-            os: macos-13
+            os: macos-15
             arch: x86_64
             use_buildx: false
             run: ./build-osx
@@ -557,7 +557,7 @@ jobs:
           - artifact_suffix: ubuntu-22.04-arm64
             asset_name_suffix: linux-arm64.tar.gz
             asset_content_type: application/gzip
-          - artifact_suffix: macos-13-x86_64
+          - artifact_suffix: macos-15-x86_64
             asset_name_suffix: macos-x86_64.tar.gz
             asset_content_type: application/gzip
           - artifact_suffix: macos-14-arm64
@@ -811,7 +811,7 @@ jobs:
             arch: aarch
             delimiter: "_"
             distro: 10
-          - artifact: artifact-macos-13-x86_64
+          - artifact: artifact-macos-15-x86_64
             type: arc
             arch: x86_64
             delimiter: "-"

.github/workflows/test.yml

@@ -30,7 +30,7 @@ jobs:
             arch: amd64
             build_type: jammy
           - job_name: 'Build static on amd64 OSX'
-            os: macos-13
+            os: macos-15
             use_docker: false
             script_name: ./build-osx
             arch: amd64

build-alpine

@@ -22,7 +22,7 @@ install_deps() {
     ln -s /usr/bin/objcopy "/usr/bin/${arch}-alpine-linux-musl-objcopy"
   export CROSS_COMPILE="/usr/bin/${arch}-alpine-linux-musl-"
 
-  apk add curl git autoconf bison re2c pkgconf zlib-dev zstd-dev openssl-libs-static openssl-dev zlib-static zlib-dev gnu-libiconv-dev
+  apk add curl git autoconf bison re2c pkgconf zlib-dev zstd-dev openssl-libs-static openssl-dev zlib-static zlib-dev gnu-libiconv-dev clang-dev llvm-dev
 
   install_curl
 
@@ -31,6 +31,8 @@ install_deps() {
   install_zlib
 
   install_rdkafka
+
+  install_rust
 }
 
 install_dev_deps() {
@@ -39,7 +41,7 @@ install_dev_deps() {
   install_libxml2
 }
 
-export -f install_deps install_dev_deps
+export -f install_deps install_dev_deps install_rust
 . build-bash-base.sh "$@"
 
 if [ "$BUILD_DEV" -eq 1 ]; then
@@ -61,6 +63,7 @@ ENABLE_STATIC=yes
   --with-rdkafka \
 	--enable-jchash \
 	--enable-simdjson \
+	--enable-llm \
   --with-openssl --with-zlib --with-zip \
   --enable-filter \
   --with-curl \

build-bash-base.sh

@@ -14,6 +14,7 @@ SWOOLE_REV="3e1a1f89930ba0bbea1f5ee31bcd0ee701a87aab"
 RDKAFKA_REV="53398031f1cd96e437e9705b67b4dc19d955acb6"
 JCHASH_REV="8ed50cc8c211effe1c214eae1e3240622e0f11b0"
 SIMDJSON_REV="9a2745669fea733a40f9443b1a793846d0759b89"
+LLM_REV="0dc6b881ea6cb10cd53c5a754d08b76ace5a9657"
 SKIP_SYSTEM_DEPS="$2"
 BUILD_DEV="$3"
 BUILD_STATIC=1 # Always build static but dev
@@ -79,7 +80,18 @@ else
 fi
 cd ..
 
-cd ..
+# llm
+git clone https://github.com/manticoresoftware/llm-php-ext.git llm
+cd llm && git checkout "$LLM_REV"
+if [ "$(uname)" == "Darwin" ]; then
+	# macOS: Use LLVM 17 from Homebrew
+	LLVM_PREFIX="$(brew --prefix llvm@17 2>/dev/null || echo /opt/homebrew/opt/llvm@17)"
+	LIBCLANG_PATH="$LLVM_PREFIX/lib"
+	LLVM_CONFIG_PATH="$LLVM_PREFIX/bin/llvm-config"
+	LLVM_PATH="$LLVM_PREFIX/bin"
+	export LIBCLANG_PATH="$LIBCLANG_PATH" LLVM_CONFIG_PATH="$LLVM_CONFIG_PATH" PATH="$LLVM_PATH:$PATH"
+fi
+cd ../..
 
 BUILD_EXTRA=()
 if [[ "$BUILD_DEV" == "1" ]]; then

build-linux

@@ -17,14 +17,21 @@ set -xe
 
 install_deps() {
   sudo apt-get update -y
-  sudo apt-get install -y curl build-essential autoconf automake bison re2c libzstd-dev pkg-config git libssl-dev zlib1g-dev libzip-dev libonig-dev cmake libcurl4-openssl-dev libzip-dev librdkafka-dev libiconv-hook-dev
+  sudo apt-get install -y curl build-essential autoconf automake bison re2c libzstd-dev pkg-config git libssl-dev zlib1g-dev libzip-dev libonig-dev cmake libcurl4-openssl-dev libzip-dev librdkafka-dev libiconv-hook-dev wget
+  # Install LLVM 17 directly from apt.llvm.org
+  wget -qO - https://apt.llvm.org/llvm-snapshot.gpg.key | sudo gpg --dearmor -o /usr/share/keyrings/llvm-archive-keyring.gpg
+  echo "deb [signed-by=/usr/share/keyrings/llvm-archive-keyring.gpg] http://apt.llvm.org/jammy/ llvm-toolchain-jammy-17 main" | sudo tee /etc/apt/sources.list.d/llvm.list > /dev/null
+  sudo apt-get update -y
+  sudo apt-get install -y clang-17 lldb-17 lld-17 clangd-17 clang-tidy-17 clang-format-17 clang-tools-17 llvm-17-dev libomp-17-dev libc++-17-dev libc++abi-17-dev libclang-common-17-dev libclang-17-dev libclang-cpp17-dev || echo "LLVM 17 packages not all available, continuing..."
+
+  install_rust
 }
 
 install_dev_deps() {
   sudo apt-get install -y libonig-dev libgmp-dev libxml2-dev
 }
 
-export -f install_deps install_dev_deps
+export -f install_deps install_dev_deps install_rust
 . build-bash-base.sh "$@"
 
 
@@ -47,6 +54,7 @@ ENABLE_STATIC=yes
   --with-rdkafka \
 	--enable-jchash \
 	--enable-simdjson \
+	--enable-llm \
   --with-openssl --with-zlib --with-zip --with-iconv \
   --enable-filter \
   --with-curl \

build-osx

@@ -7,8 +7,10 @@
 # you can find it at https://www.php.net/license/3_01.txt
 
 set -e
+. helper.sh
+
 install_deps() {
-  brew install bash curl autoconf automake bison re2c zstd git openssl zlib cmake libzip librdkafka libiconv
+  brew install bash curl autoconf automake bison re2c zstd git openssl zlib cmake libzip librdkafka libiconv llvm@17
 
   OPENSSL_PREFIX="$(brew --prefix openssl)"
   LIBRDKAFKA_PREFIX="$(brew --prefix librdkafka)"
@@ -21,13 +23,15 @@ install_deps() {
   export CPPFLAGS="-I${OPENSSL_PREFIX}/include -I${LIBRDKAFKA_PREFIX}/include -I${ICONV_PREFIX}/include"
 
   export PKG_CONFIG_PATH="${OPENSSL_PREFIX}/lib/pkgconfig"
+
+  install_rust
 }
 
 install_dev_deps() {
   brew install libxml2 oniguruma libgmp
 }
 
-export -f install_deps install_dev_deps
+export -f install_deps install_dev_deps install_rust
 . ./build-bash-base.sh "$@"
 
 hide_dynamic_libs() {
@@ -95,6 +99,7 @@ chmod +x configure
   --with-rdkafka \
 	--enable-jchash \
 	--enable-simdjson \
+	--enable-llm \
   --with-openssl --with-zlib --with-zip --with-iconv=$(brew --prefix libiconv) \
   --enable-filter \
   --with-curl \

helper.sh

@@ -1,6 +1,13 @@
 #!/usr/bin/env bash
 set -ex
 
+install_rust() {
+	# Install Rust toolchain
+	curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
+	# Source cargo environment
+	. "$HOME/.cargo/env"
+}
+
 install_curl() {
 	test -d curl-8.0.0 && rm -fr "$_"
 	curl -sSL https://github.com/curl/curl/releases/download/curl-8_0_0/curl-8.0.0.tar.gz | tar -xzf -