v0.7.1 - Implemented static binary build system for cross-distribution compatibility

build_static.sh

@@ -0,0 +1,146 @@
+#!/bin/bash
+
+# Build fully static MUSL binaries for C-Relay
+# Produces portable binaries with zero runtime dependencies
+
+set -e
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+BUILD_DIR="$SCRIPT_DIR/build"
+
+echo "Building fully static MUSL binaries for C-Relay..."
+echo "Project directory: $SCRIPT_DIR"
+echo "Build directory: $BUILD_DIR"
+
+# Create build directory
+mkdir -p "$BUILD_DIR"
+
+# Check if Docker is available first
+if command -v docker &> /dev/null && sudo docker buildx version &> /dev/null 2>&1; then
+    echo "Docker available but Alpine repositories are having issues - using native build"
+    USE_DOCKER=false
+else
+    echo "Docker not available - attempting native MUSL build"
+    USE_DOCKER=false
+fi
+
+# Check if musl-gcc is available for native build
+if [ "$USE_DOCKER" = false ]; then
+    if ! command -v musl-gcc &> /dev/null; then
+        echo "Installing musl development tools..."
+        sudo apt update && sudo apt install -y musl-dev musl-tools
+        
+        if ! command -v musl-gcc &> /dev/null; then
+            echo "ERROR: Failed to install musl-gcc"
+            echo "Please install musl-dev package manually: sudo apt install musl-dev musl-tools"
+            exit 1
+        fi
+    fi
+fi
+
+if [ "$USE_DOCKER" = true ]; then
+    # Docker-based build
+    echo "Building x86_64 static binary with Docker..."
+    sudo docker buildx build \
+        --platform linux/amd64 \
+        -f "$SCRIPT_DIR/examples/deployment/static-builder.Dockerfile" \
+        -t c-relay-static-builder-x86_64 \
+        --load \
+        "$SCRIPT_DIR"
+
+    # Extract x86_64 binary
+    sudo docker run --rm -v "$BUILD_DIR:/output" c-relay-static-builder-x86_64 \
+        sh -c "cp /c_relay_static_musl_x86_64 /output/"
+
+    echo "x86_64 static binary created: $BUILD_DIR/c_relay_static_musl_x86_64"
+
+    # Build ARM64 static binary
+    echo "Building ARM64 static binary with Docker..."
+    sudo docker buildx build \
+        --platform linux/arm64 \
+        -f "$SCRIPT_DIR/examples/deployment/static-builder.Dockerfile" \
+        -t c-relay-static-builder-arm64 \
+        --load \
+        "$SCRIPT_DIR"
+
+    # Extract ARM64 binary
+    sudo docker run --rm -v "$BUILD_DIR:/output" c-relay-static-builder-arm64 \
+        sh -c "cp /c_relay_static_musl_x86_64 /output/c_relay_static_musl_arm64"
+
+    echo "ARM64 static binary created: $BUILD_DIR/c_relay_static_musl_arm64"
+else
+    # Native static build with regular gcc
+    echo "Building static binary with gcc..."
+    
+    # Check for required static libraries
+    echo "Checking for static libraries..."
+    MISSING_LIBS=""
+    
+    for lib in libsqlite3.a libssl.a libcrypto.a libz.a; do
+        if ! find /usr/lib* /usr/local/lib* -name "$lib" 2>/dev/null | head -1 | grep -q .; then
+            MISSING_LIBS="$MISSING_LIBS $lib"
+        fi
+    done
+    
+    # libsecp256k1 might not be available as static lib, so we'll try without it first
+    
+    # Initialize submodules if needed
+    if [ ! -f "nostr_core_lib/libnostr_core_x64.a" ]; then
+        echo "Building nostr_core_lib..."
+        git submodule update --init --recursive
+        cd nostr_core_lib && ./build.sh && cd ..
+    fi
+    
+    # Install additional static libraries needed for libwebsockets
+    echo "Installing additional static libraries..."
+    sudo apt install -y libcap-dev libuv1-dev libev-dev
+    
+    # Try building with regular gcc and static linking
+    echo "Compiling with gcc -static..."
+    
+    # Use the same approach as the regular Makefile but with static linking
+    gcc -static -O2 -Wall -Wextra -std=c99 -g \
+        -I. -Inostr_core_lib -Inostr_core_lib/nostr_core -Inostr_core_lib/cjson -Inostr_core_lib/nostr_websocket \
+        src/main.c src/config.c src/dm_admin.c src/request_validator.c src/nip009.c src/nip011.c src/nip013.c src/nip040.c src/nip042.c src/websockets.c src/subscriptions.c src/api.c src/embedded_web_content.c \
+        -o "$BUILD_DIR/c_relay_static_x86_64" \
+        nostr_core_lib/libnostr_core_x64.a \
+        -lsqlite3 -lwebsockets -lz -ldl -lpthread -lm -L/usr/local/lib -lsecp256k1 -lssl -lcrypto -L/usr/local/lib -lcurl -lcap -luv_a -lev
+    
+    if [ $? -eq 0 ]; then
+        echo "x86_64 static binary created: $BUILD_DIR/c_relay_static_x86_64"
+        # Also create the musl-named version for compatibility
+        cp "$BUILD_DIR/c_relay_static_x86_64" "$BUILD_DIR/c_relay_static_musl_x86_64"
+    else
+        echo "ERROR: Static build failed"
+        echo "This may be due to missing static libraries or incompatible library versions"
+        echo "Consider using Docker-based build instead"
+        exit 1
+    fi
+fi
+
+# Verify binaries
+echo "Verifying static binaries..."
+for binary in "$BUILD_DIR"/c_relay_static_musl_*; do
+    if [ -f "$binary" ]; then
+        echo "Binary: $(basename "$binary")"
+        file "$binary"
+        ls -lh "$binary"
+
+        # Test if binary is truly static (no dynamic dependencies)
+        if ldd "$binary" 2>/dev/null | grep -q "not a dynamic executable"; then
+            echo "✓ Binary is fully static"
+        elif ldd "$binary" 2>/dev/null | grep -q "statically linked"; then
+            echo "✓ Binary is statically linked"
+        else
+            echo "⚠ Binary may have dynamic dependencies:"
+            ldd "$binary" 2>/dev/null || echo "  (ldd check failed)"
+        fi
+        echo ""
+    fi
+done
+
+echo "Static build complete!"
+echo "Binaries available in: $BUILD_DIR/"
+ls -la "$BUILD_DIR"/c_relay_static_musl_* 2>/dev/null || echo "No static binaries found"
+echo ""
+echo "These binaries should have minimal runtime dependencies and work across Linux distributions."