diff --git a/Makefile b/Makefile
index 5358fdf..84f9767 100644
--- a/Makefile
+++ b/Makefile
@@ -58,7 +58,7 @@ else ifeq ($(VARIANT),full)
         BREW_PREFIX := $(shell brew --prefix)
         ICU_PREFIX := $(BREW_PREFIX)/opt/icu4c
         LLVM_PREFIX := $(BREW_PREFIX)/opt/llvm
-        CONFIGURE_FLAGS = --prefix=$(PREFIX) --with-openssl --with-icu --with-lz4 --with-zstd --with-libxml --with-llvm --with-uuid=e2fs --disable-nls CFLAGS="-Wno-unguarded-availability-new" --with-includes="$(BREW_PREFIX)/include:$(ICU_PREFIX)/include:$(LLVM_PREFIX)/include" --with-libraries="$(BREW_PREFIX)/lib:$(ICU_PREFIX)/lib:$(LLVM_PREFIX)/lib"
+        CONFIGURE_FLAGS = --prefix=$(PREFIX) --with-openssl --with-icu --with-lz4 --with-zstd --with-libxml --with-llvm --with-uuid=e2fs --disable-nls CFLAGS="-Wno-unguarded-availability-new" --with-includes="$(BREW_PREFIX)/include:$(ICU_PREFIX)/include:$(LLVM_PREFIX)/include" --with-libraries="$(BREW_PREFIX)/lib:$(ICU_PREFIX)/lib:$(LLVM_PREFIX)/lib" LLVM_CONFIG="$(LLVM_PREFIX)/bin/llvm-config" CLANG="$(LLVM_PREFIX)/bin/clang"
     else ifeq ($(PLATFORM),linux)
         CONFIGURE_FLAGS = --prefix=$(PREFIX) --with-openssl --with-icu --with-lz4 --with-zstd --with-libxml --with-llvm --with-uuid=e2fs --disable-nls
     else ifeq ($(PLATFORM),win32)
@@ -92,7 +92,11 @@ extract:
 configure:
 	@echo "⚙️  Configuring PostgreSQL build..."
 ifeq ($(PLATFORM),darwin)
-	cd $(POSTGRES_SRC) && PKG_CONFIG_PATH="$(ICU_PREFIX)/lib/pkgconfig:$(BREW_PREFIX)/lib/pkgconfig" LLVM_CONFIG="$(LLVM_PREFIX)/bin/llvm-config" ./configure $(CONFIGURE_FLAGS)
+ifeq ($(VARIANT),full)
+	cd $(POSTGRES_SRC) && PKG_CONFIG_PATH="$(ICU_PREFIX)/lib/pkgconfig:$(BREW_PREFIX)/lib/pkgconfig" LLVM_CONFIG="$(LLVM_PREFIX)/bin/llvm-config" CLANG="$(LLVM_PREFIX)/bin/clang" ./configure $(CONFIGURE_FLAGS)
+else
+	cd $(POSTGRES_SRC) && PKG_CONFIG_PATH="$(BREW_PREFIX)/lib/pkgconfig" ./configure $(CONFIGURE_FLAGS)
+endif
 else
 	cd $(POSTGRES_SRC) && ./configure $(CONFIGURE_FLAGS)
 endif
@@ -128,18 +132,62 @@ bundle-deps:
 	@echo "📦 Bundling runtime dependencies..."
 ifeq ($(VARIANT),full)
     ifeq ($(PLATFORM),darwin)
-		@echo "   🔗 Bundling LLVM libraries for JIT support..."
+		@echo "   🔗 Bundling LLVM and dependencies for JIT support..."
+		
+		# Bundle LLVM library
 		@if [ -f "$(LLVM_PREFIX)/lib/libLLVM.dylib" ]; then \
 			cp "$(LLVM_PREFIX)/lib/libLLVM.dylib" "$(PREFIX)/lib/"; \
 			echo "   ✅ Bundled libLLVM.dylib"; \
 		else \
-			echo "   ⚠️  Warning: libLLVM.dylib not found at $(LLVM_PREFIX)/lib/"; \
+			echo "   ❌ Error: libLLVM.dylib not found at $(LLVM_PREFIX)/lib/"; \
+			exit 1; \
+		fi
+		
+		# Bundle Z3 SMT solver library (LLVM dependency)
+		@if [ -f "$(BREW_PREFIX)/opt/z3/lib/libz3.dylib" ]; then \
+			cp "$(BREW_PREFIX)/opt/z3/lib/libz3.dylib" "$(PREFIX)/lib/"; \
+			echo "   ✅ Bundled libz3.dylib"; \
+		elif [ -f "$(BREW_PREFIX)/opt/z3/lib/libz3.4.15.dylib" ]; then \
+			cp "$(BREW_PREFIX)/opt/z3/lib/libz3.4.15.dylib" "$(PREFIX)/lib/"; \
+			echo "   ✅ Bundled libz3.4.15.dylib"; \
+		else \
+			echo "   ❌ Error: libz3 not found at $(BREW_PREFIX)/opt/z3/lib/"; \
+			exit 1; \
+		fi
+		
+		# Bundle Zstandard compression library (LLVM dependency)  
+		@if [ -f "$(BREW_PREFIX)/opt/zstd/lib/libzstd.1.dylib" ]; then \
+			cp "$(BREW_PREFIX)/opt/zstd/lib/libzstd.1.dylib" "$(PREFIX)/lib/"; \
+			echo "   ✅ Bundled libzstd.1.dylib"; \
+		else \
+			echo "   ❌ Error: libzstd.1.dylib not found at $(BREW_PREFIX)/opt/zstd/lib/"; \
+			exit 1; \
 		fi
-		@echo "   🔧 Fixing library paths for bundled dependencies..."
+		
+		@echo "   🔧 Fixing library paths for JIT dependencies..."
+		
+		# Fix llvmjit.dylib -> libLLVM.dylib path
 		@if [ -f "$(PREFIX)/lib/llvmjit.dylib" ] && [ -f "$(PREFIX)/lib/libLLVM.dylib" ]; then \
 			install_name_tool -change "$(LLVM_PREFIX)/lib/libLLVM.dylib" "@loader_path/libLLVM.dylib" "$(PREFIX)/lib/llvmjit.dylib"; \
-			echo "   ✅ Fixed llvmjit.dylib library path"; \
+			echo "   ✅ Fixed llvmjit.dylib -> libLLVM.dylib path"; \
+		fi
+		
+		# Fix libLLVM.dylib paths to its dependencies
+		@if [ -f "$(PREFIX)/lib/libLLVM.dylib" ]; then \
+			install_name_tool -id "@loader_path/libLLVM.dylib" "$(PREFIX)/lib/libLLVM.dylib"; \
+			if [ -f "$(PREFIX)/lib/libz3.dylib" ]; then \
+				install_name_tool -change "$(BREW_PREFIX)/opt/z3/lib/libz3.dylib" "@loader_path/libz3.dylib" "$(PREFIX)/lib/libLLVM.dylib"; \
+			elif [ -f "$(PREFIX)/lib/libz3.4.15.dylib" ]; then \
+				install_name_tool -change "$(BREW_PREFIX)/opt/z3/lib/libz3.4.15.dylib" "@loader_path/libz3.4.15.dylib" "$(PREFIX)/lib/libLLVM.dylib"; \
+			fi; \
+			if [ -f "$(PREFIX)/lib/libzstd.1.dylib" ]; then \
+				install_name_tool -change "$(BREW_PREFIX)/opt/zstd/lib/libzstd.1.dylib" "@loader_path/libzstd.1.dylib" "$(PREFIX)/lib/libLLVM.dylib"; \
+			fi; \
+			echo "   ✅ Fixed libLLVM.dylib dependency paths"; \
 		fi
+		
+		@echo "   🎯 JIT dependency bundling complete"
+		
     else
 		@echo "   ℹ️  Dependency bundling not implemented for $(PLATFORM)"
     endif
diff --git a/test-binaries.sh b/test-binaries.sh
index 5b28ccf..972fd0a 100755
--- a/test-binaries.sh
+++ b/test-binaries.sh
@@ -94,7 +94,59 @@ FROM test_vectors
 ORDER BY distance;
 "
 
-# Test 7: Clean shutdown
+# Test 7: JIT functionality (full variant only)
+if [ "$VARIANT" = "full" ]; then
+  echo "🔬 Testing JIT compilation (full variant)..."
+  
+  # Test basic JIT availability
+  echo "   Testing JIT availability..."
+  ${POSTGRES_DIR}/bin/psql -p ${TEST_PORT} -d template1 -U ${USER} -c "SHOW jit;" || {
+    echo "❌ ERROR: JIT parameter not available"
+    exit 1
+  }
+  
+  # Test JIT can be enabled without errors
+  echo "   Testing JIT enable/disable..."
+  ${POSTGRES_DIR}/bin/psql -p ${TEST_PORT} -d template1 -U ${USER} -c "SET jit = on;" || {
+    echo "❌ ERROR: Failed to enable JIT"
+    exit 1
+  }
+  
+  # Test JIT with actual compilation (force low cost threshold)
+  echo "   Testing JIT compilation with complex query..."
+  ${POSTGRES_DIR}/bin/psql -p ${TEST_PORT} -d template1 -U ${USER} -c "
+    SET jit = on;
+    SET jit_above_cost = 0;
+    SET jit_optimize_above_cost = 0;
+    SET jit_inline_above_cost = 0;
+    
+    -- Create larger dataset for JIT to kick in
+    CREATE TABLE jit_test AS 
+    SELECT i as id, random() as value, 'test_' || i as name 
+    FROM generate_series(1, 1000) i;
+    
+    -- Complex query that should trigger JIT
+    SELECT COUNT(*), AVG(value), MIN(value), MAX(value)
+    FROM jit_test 
+    WHERE value > 0.5 AND id % 3 = 0
+    GROUP BY (id / 100)::int
+    HAVING COUNT(*) > 5;
+    
+    DROP TABLE jit_test;
+  " || {
+    echo "❌ ERROR: JIT compilation failed"
+    exit 1
+  }
+  
+  echo "   ✅ JIT functionality working correctly"
+  
+elif [ "$VARIANT" = "lite" ]; then
+  echo "ℹ️  Skipping JIT test (lite variant - JIT not available)"
+else
+  echo "⚠️  Unknown variant: $VARIANT - skipping JIT test"
+fi
+
+# Test 8: Clean shutdown
 echo "🛑 Testing server shutdown..."
 ${POSTGRES_DIR}/bin/pg_ctl -D ${TEST_DIR}/data stop