diff --git a/.cirrus.yml b/.cirrus.yml
index 352f31c..4336fc8 100644
--- a/.cirrus.yml
+++ b/.cirrus.yml
@@ -3,11 +3,14 @@ build_task:
     - name: FreeBSD 13
       freebsd_instance:
         image: freebsd-13-2-release-amd64
+    - name: FreeBSD 14
+      freebsd_instance:
+        image: freebsd-14-0-release-amd64-ufs
   setup_script:
     sudo pkg install -y lua54 cmake
   configure_script:
     - mkdir build
-    - cd build && cmake ..
+    - cd build && cmake -DCMAKE_BUILD_TYPE=Debug ..
   build_script:
     make -C build
   test_script:
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 0fdb06c..dbae39a 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -43,7 +43,7 @@ jobs:
       - name: configure
         run: |
           mkdir build
-          cd build && cmake ..
+          cd build && cmake -DCMAKE_BUILD_TYPE=Debug ..
       - name: build orch(1)
         run: make -C build
       - name: Run self-tests
diff --git a/CMakeLists.txt b/CMakeLists.txt
index df6509e..b702e44 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -28,6 +28,11 @@ option(EXAMPLES "Install examples" ON)
 option(MANPAGES "Install manpages" ON)
 option(BUILD_DRIVER "Build the orch(1) driver" ON)
 
+if(CMAKE_BUILD_TYPE STREQUAL "Debug")
+	add_compile_options(-fsanitize=address)
+	add_link_options(-fsanitize=address)
+endif()
+
 if(EXAMPLES)
 	add_subdirectory(examples)
 endif()
diff --git a/lib/core/CMakeLists.txt b/lib/core/CMakeLists.txt
index 9f2cc78..c1c24ed 100644
--- a/lib/core/CMakeLists.txt
+++ b/lib/core/CMakeLists.txt
@@ -3,7 +3,7 @@ file(GLOB core_SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/*.c)
 
 set(warnings "-Wall -Wextra -Werror")
 if("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux")
-	set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_GNU_SOURCE")
+	add_compile_options(-D_GNU_SOURCE)
 endif()
 
 add_library(core SHARED ${core_SOURCES})