v0.0.88 - Add full static ARM64 build support for didactyl and c-relay with dynamic nostr lib resolution and --platform override

Dockerfile.alpine-musl

@@ -68,6 +68,7 @@ COPY nostr_core_lib /build/nostr_core_lib/
 RUN cd nostr_core_lib && \
     chmod +x build.sh && \
     sed -i 's/CFLAGS="-Wall -Wextra -std=c99 -fPIC -O2"/CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0 -Wall -Wextra -std=c99 -fPIC -O2"/' build.sh && \
+    sed -i 's/CC="aarch64-linux-gnu-gcc"/CC="gcc"/' build.sh && \
     rm -f *.o *.a 2>/dev/null || true && \
     ./build.sh --nips=all
 
@@ -78,7 +79,10 @@ COPY Makefile /build/Makefile
 # Build didactyl with full static linking (only rebuilds when src/ changes)
 # Disable fortification to avoid __*_chk symbols that don't exist in MUSL
 # Use conditional compilation flags based on DEBUG_BUILD argument
-RUN if [ "$DEBUG_BUILD" = "true" ]; then \
+RUN NOSTR_LIB=$(ls /build/nostr_core_lib/libnostr_core_*.a 2>/dev/null | head -1) && \
+    if [ -z "$NOSTR_LIB" ]; then echo "ERROR: nostr_core_lib .a not found"; exit 1; fi && \
+    echo "Using nostr library: $NOSTR_LIB" && \
+    if [ "$DEBUG_BUILD" = "true" ]; then \
         CFLAGS="-g -O2 -DDEBUG"; \
         STRIP_CMD="echo 'Keeping debug symbols'"; \
         echo "Building with DEBUG symbols enabled (optimized with -O2)"; \
@@ -103,7 +107,7 @@ RUN if [ "$DEBUG_BUILD" = "true" ]; then \
     src/tools/tool_skill.c src/tools/tool_nostr_post.c src/tools/tool_memory.c src/tools/tool_config.c src/trigger_manager.c \
     src/prompt_template.c src/http_api.c src/setup_wizard.c src/mongoose.c src/debug.c \
     -o /build/didactyl_static \
-    nostr_core_lib/libnostr_core_x64.a \
+    $NOSTR_LIB \
     -lsecp256k1 \
     $OPENSSL_LIBS \
     $CURL_LIBS \

README.md

@@ -55,11 +55,11 @@ Skills compose by adoption-list order (`10123`) and trigger tags carry runtime e
 
 Didactyl will support local inference, which is very privacy preserving. Remote inference does however have it's advantages, and in those cases Didactyl supports using Bitcoin Lightning and eCash inference providers.
 
-## Current Status — v0.0.86
+## Current Status — v0.0.88
 
 **Active build — this project is barely working. Experiment at your own risk.**
 
-> Last release update: v0.0.86 — Return masked api_key field in model_get/model_set responses
+> Last release update: v0.0.88 — Add full static ARM64 build support for didactyl and c-relay with dynamic nostr lib resolution and --platform override
 
 - Connects to configured relays with auto-reconnect and relay state transition logging
 - Publishes configured startup events per relay as each relay becomes connected

build_static.sh

@@ -11,8 +11,19 @@ DOCKERFILE="$SCRIPT_DIR/Dockerfile.alpine-musl"
 
 # Parse command line arguments
 DEBUG_BUILD=false
-if [[ "$1" == "--debug" ]]; then
-    DEBUG_BUILD=true
+TARGET_PLATFORM=""
+for arg in "$@"; do
+    case "$arg" in
+        --debug)
+            DEBUG_BUILD=true
+            ;;
+        --platform=*)
+            TARGET_PLATFORM="${arg#*=}"
+            ;;
+    esac
+done
+
+if [ "$DEBUG_BUILD" = true ]; then
     echo "=========================================="
     echo "Didactyl MUSL Static Binary Builder (DEBUG MODE)"
     echo "=========================================="
@@ -61,24 +72,45 @@ DOCKER_CMD="docker"
 echo "✓ Docker is available and running"
 echo ""
 
-# Detect architecture
-ARCH=$(uname -m)
-case "$ARCH" in
-    x86_64)
-        PLATFORM="linux/amd64"
-        OUTPUT_NAME="didactyl_static_x86_64"
-        ;;
-    aarch64|arm64)
-        PLATFORM="linux/arm64"
-        OUTPUT_NAME="didactyl_static_arm64"
-        ;;
-    *)
-        echo "WARNING: Unknown architecture: $ARCH"
-        echo "Defaulting to linux/amd64"
-        PLATFORM="linux/amd64"
-        OUTPUT_NAME="didactyl_static_${ARCH}"
-        ;;
-esac
+# Detect architecture (or use explicit target platform override)
+if [ -n "$TARGET_PLATFORM" ]; then
+    PLATFORM="$TARGET_PLATFORM"
+    case "$PLATFORM" in
+        linux/amd64)
+            OUTPUT_NAME="didactyl_static_x86_64"
+            ;;
+        linux/arm64)
+            OUTPUT_NAME="didactyl_static_arm64"
+            ;;
+        linux/arm/v7)
+            OUTPUT_NAME="didactyl_static_armv7"
+            ;;
+        linux/arm/v6)
+            OUTPUT_NAME="didactyl_static_armv6"
+            ;;
+        *)
+            OUTPUT_NAME="didactyl_static_custom"
+            ;;
+    esac
+else
+    ARCH=$(uname -m)
+    case "$ARCH" in
+        x86_64)
+            PLATFORM="linux/amd64"
+            OUTPUT_NAME="didactyl_static_x86_64"
+            ;;
+        aarch64|arm64)
+            PLATFORM="linux/arm64"
+            OUTPUT_NAME="didactyl_static_arm64"
+            ;;
+        *)
+            echo "WARNING: Unknown architecture: $ARCH"
+            echo "Defaulting to linux/amd64"
+            PLATFORM="linux/amd64"
+            OUTPUT_NAME="didactyl_static_${ARCH}"
+            ;;
+    esac
+fi
 
 # Append _debug suffix to output name for debug builds
 if [ "$DEBUG_BUILD" = true ]; then

src/main.h

@@ -12,8 +12,8 @@
 // Using DIDACTYL_ prefix to avoid conflicts with nostr_core_lib VERSION macros
 #define DIDACTYL_VERSION_MAJOR 0
 #define DIDACTYL_VERSION_MINOR 0
-#define DIDACTYL_VERSION_PATCH 86
-#define DIDACTYL_VERSION "v0.0.86"
+#define DIDACTYL_VERSION_PATCH 88
+#define DIDACTYL_VERSION "v0.0.88"
 
 // Agent metadata
 #define DIDACTYL_NAME "Didactyl"

src/tools/tool_config.c

@@ -143,6 +143,9 @@ char* execute_config_store(tools_context_t* ctx, const char* args_json) {
         return json_error_local("config_store requires content");
     }
 
+    char d_tag_buf[128];
+    snprintf(d_tag_buf, sizeof(d_tag_buf), "%s", d_tag_j->valuestring);
+
     char* content_text = NULL;
     if (cJSON_IsString(content_j) && content_j->valuestring) {
         content_text = strdup(content_j->valuestring);
@@ -180,7 +183,7 @@ char* execute_config_store(tools_context_t* ctx, const char* args_json) {
     }
 
     cJSON_AddItemToArray(d_tag, cJSON_CreateString("d"));
-    cJSON_AddItemToArray(d_tag, cJSON_CreateString(d_tag_j->valuestring));
+    cJSON_AddItemToArray(d_tag, cJSON_CreateString(d_tag_buf));
     cJSON_AddItemToArray(tags, d_tag);
 
     cJSON_AddItemToArray(app_tag, cJSON_CreateString("app"));
@@ -208,7 +211,7 @@ char* execute_config_store(tools_context_t* ctx, const char* args_json) {
     }
 
     cJSON_AddBoolToObject(out, "success", 1);
-    cJSON_AddStringToObject(out, "d_tag", d_tag_j->valuestring);
+    cJSON_AddStringToObject(out, "d_tag", d_tag_buf);
     cJSON_AddNumberToObject(out, "kind", CONFIG_KIND);
     cJSON_AddNumberToObject(out, "content_length", (double)strlen(content_text));
     cJSON_AddStringToObject(out, "event_id", publish_result.event_id);