From 5569ee5f064467a083808aeff9e49b49900d4c1c Mon Sep 17 00:00:00 2001
From: Pavel Kirienko <pavel.kirienko@gmail.com>
Date: Sun, 13 Aug 2023 17:52:20 +0300
Subject: [PATCH] Set up the build system for the demo app.

---
 demo/CMakeLists.txt | 30 +++++++++++++++++++++++++++++-
 demo/README.md      |  3 +++
 2 files changed, 32 insertions(+), 1 deletion(-)
 create mode 100644 demo/README.md

diff --git a/demo/CMakeLists.txt b/demo/CMakeLists.txt
index 6f1efcc..97d95b9 100644
--- a/demo/CMakeLists.txt
+++ b/demo/CMakeLists.txt
@@ -6,4 +6,32 @@
 
 cmake_minimum_required(VERSION 3.20)
 
-# TODO clang tidy etc
+project(udpard_demo C)
+
+# Set up static analysis.
+set(NO_STATIC_ANALYSIS OFF CACHE BOOL "disable udpard static analysis")
+if (NOT NO_STATIC_ANALYSIS)
+    # clang-tidy (separate config files per directory)
+    find_program(clang_tidy NAMES clang-tidy)
+    if (NOT clang_tidy)
+        message(FATAL_ERROR "Could not locate clang-tidy")
+    endif ()
+    message(STATUS "Using clang-tidy: ${clang_tidy}")
+endif ()
+
+# Define the LibUDPard static library build target. No special options are needed to use the library, it's very simple.
+add_library(udpard_demo STATIC ${CMAKE_CURRENT_SOURCE_DIR}/../libudpard/udpard.c)
+target_include_directories(udpard_demo INTERFACE ${CMAKE_CURRENT_SOURCE_DIR}/../libudpard)
+
+# Define the demo application build target and link it with the library.
+add_executable(demo main.c)
+target_link_libraries(demo PRIVATE udpard_demo)
+set_target_properties(
+        demo
+        PROPERTIES
+        COMPILE_FLAGS "-Wall -Wextra -Werror -pedantic -Wdouble-promotion -Wswitch-enum -Wfloat-equal \
+            -Wundef -Wconversion -Wtype-limits -Wsign-conversion -Wcast-align -Wmissing-declarations"
+        C_STANDARD 11
+        C_EXTENSIONS OFF
+        C_CLANG_TIDY "${clang_tidy}"
+)
diff --git a/demo/README.md b/demo/README.md
new file mode 100644
index 0000000..bfe33db
--- /dev/null
+++ b/demo/README.md
@@ -0,0 +1,3 @@
+# LibUDPard demo application
+
+here be 🐉