llama : use static libraries for xcframework build

This commit updates the build script to use static libraries for the
XCFramework build. This is done as linking with dynamic libraries is
not supported on all platforms.

Author: danbev

build-xcframework.sh

@@ -2,12 +2,13 @@
 #
 # Options
 DEPLOYMENT_TARGET=14.0
-BUILD_SHARED_LIBS=ON
-LLAMA_STATIC=OFF
+BUILD_SHARED_LIBS=OFF
 LLAMA_BUILD_EXAMPLES=OFF
 LLAMA_BUILD_TESTS=OFF
 LLAMA_BUILD_SERVER=OFF
+GGML_METAL=ON
 GGML_METAL_EMBED_LIBRARY=ON
+GGML_BLAS_DEFAULT=ON
 GGML_METAL_USE_BF16=ON
 
 set -xe
@@ -26,7 +27,7 @@ setup_framework_structure() {
     mkdir -p ${build_dir}/framework/${framework_name}.framework/Headers
     mkdir -p ${build_dir}/framework/${framework_name}.framework/Modules
 
-    # Copy all required headers.
+    # Copy all required headers
     cp include/llama.h             ${build_dir}/framework/${framework_name}.framework/Headers/
     cp ggml/include/ggml.h         ${build_dir}/framework/${framework_name}.framework/Headers/
     cp ggml/include/ggml-alloc.h   ${build_dir}/framework/${framework_name}.framework/Headers/
@@ -35,10 +36,7 @@ setup_framework_structure() {
     cp ggml/include/ggml-cpu.h     ${build_dir}/framework/${framework_name}.framework/Headers/
     cp ggml/include/ggml-blas.h    ${build_dir}/framework/${framework_name}.framework/Headers/
 
-    # Create module map that describes how which headers are part of the llama module.
-    # This enables swift code to import 'llama' and get access to all public interfaces
-    # the headers with the usage of export *. For example, LibLlama.swift imports the
-    # 'llama' module.
+    # Create module map
     cat > ${build_dir}/framework/${framework_name}.framework/Modules/module.modulemap << EOF
 framework module llama {
     header "llama.h"
@@ -49,12 +47,14 @@ framework module llama {
     header "ggml-cpu.h"
     header "ggml-blas.h"
 
+    link "c++"
+    link framework "Accelerate"
+
     export *
 }
 EOF
 
-    # Create Info.plist (Information Property List) file that describes the app.
-    # This will be a Framework bundle (FMWK).
+    # Create Info.plist
     cat > ${build_dir}/framework/${framework_name}.framework/Info.plist << EOF
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
@@ -83,7 +83,7 @@ EOF
 EOF
 }
 
-# Common options for all builds.
+# Common options for all builds
 COMMON_CMAKE_ARGS=(
     -DIOS=ON
     -DCMAKE_SYSTEM_NAME=iOS
@@ -92,16 +92,16 @@ COMMON_CMAKE_ARGS=(
     -DCMAKE_XCODE_ATTRIBUTE_CODE_SIGN_IDENTITY=""
     -DCMAKE_XCODE_ATTRIBUTE_CODE_SIGNING_ALLOWED=NO
     -DBUILD_SHARED_LIBS=${BUILD_SHARED_LIBS}
-    -DLLAMA_STATIC=${LLAMA_STATIC}
     -DLLAMA_BUILD_EXAMPLES=${LLAMA_BUILD_EXAMPLES}
     -DLLAMA_BUILD_TESTS=${LLAMA_BUILD_TESTS}
     -DLLAMA_BUILD_SERVER=${LLAMA_BUILD_SERVER}
     -DGGML_METAL_EMBED_LIBRARY=${GGML_METAL_EMBED_LIBRARY}
+    -DGGML_BLAS_DEFAULT=${GGML_BLAS_DEFAULT}
+    -DGGML_METAL=${GGML_METAL}
     -DGGML_METAL_USE_BF16=${GGML_METAL_USE_BF16}
-    -DCMAKE_INSTALL_NAME_DIR="@rpath/llama.framework/llama"
 )
 
-# Build for iOS simulator.
+# Build for iOS simulator
 cmake -B build-ios-sim -G Xcode \
     "${COMMON_CMAKE_ARGS[@]}" \
     -DCMAKE_OSX_SYSROOT=iphonesimulator \
@@ -110,7 +110,7 @@ cmake -B build-ios-sim -G Xcode \
     -S .
 cmake --build build-ios-sim --config Release
 
-# Build for iOS devices.
+# Build for iOS devices
 cmake -B build-ios-device -G Xcode \
     "${COMMON_CMAKE_ARGS[@]}" \
     -DCMAKE_OSX_SYSROOT=iphoneos \
@@ -119,24 +119,36 @@ cmake -B build-ios-device -G Xcode \
     -S .
 cmake --build build-ios-device --config Release
 
-# Setup frameworks and copy binaries and headers.
+# Setup frameworks and copy binaries and headers
 setup_framework_structure "build-ios-sim"
 setup_framework_structure "build-ios-device"
 
-# Copy and rename the binaries.
-cp build-ios-sim/bin/Release/libllama.dylib build-ios-sim/framework/llama.framework/llama
-cp build-ios-device/bin/Release/libllama.dylib build-ios-device/framework/llama.framework/llama
+# Function to combine static libraries
+combine_static_libraries() {
+    local build_dir="$1"
+    local platform="$2"
+    local output_lib="${build_dir}/framework/llama.framework/llama"
+    local base_dir="$(pwd)"
+
+    # Combine all static libraries using libtool
+    libtool -static -o "${base_dir}/${output_lib}" \
+        "${base_dir}/${build_dir}/src/Release-${platform}/libllama.a" \
+        "${base_dir}/${build_dir}/ggml/src/Release-${platform}/libggml.a" \
+        "${base_dir}/${build_dir}/ggml/src/Release-${platform}/libggml-base.a" \
+        "${base_dir}/${build_dir}/ggml/src/Release-${platform}/libggml-cpu.a" \
+        "${base_dir}/${build_dir}/ggml/src/ggml-metal/Release-${platform}/libggml-metal.a" \
+        "${base_dir}/${build_dir}/ggml/src/ggml-blas/Release-${platform}/libggml-blas.a"
+}
 
-# Fix the install name in the binaries
-install_name_tool -id "@rpath/llama.framework/llama" build-ios-sim/framework/llama.framework/llama
-install_name_tool -id "@rpath/llama.framework/llama" build-ios-device/framework/llama.framework/llama
+# Combine libraries for simulator and device builds
+combine_static_libraries "build-ios-sim" "iphonesimulator"
+combine_static_libraries "build-ios-device" "iphoneos"
 
-# Create XCFramework with the two builds which will contain both simulator
-# and device versions in the same framework.
+# Create XCFramework
 xcodebuild -create-xcframework \
     -framework $(pwd)/build-ios-sim/framework/llama.framework \
     -framework $(pwd)/build-ios-device/framework/llama.framework \
     -output $(pwd)/build-ios/llama.xcframework
 
 # The generated framework can be found in build-ios/llama.xcframework and
-# can be added to a projects "Frameworks, Libraries, and Embedded Content".
+# can be added to a projects "Frameworks, Libraries, and Embedded Content"