Add CMake build system

New CMakeLists.txt to let users build the libraries using CMake
Build CivetWeb and then use it to build WebUI

CMakeLists.txt

@@ -0,0 +1,77 @@
+cmake_minimum_required(VERSION 3.10)
+
+# Project name
+project(WebUILibrary)
+
+# Set C++ standard
+set(CMAKE_CXX_STANDARD 11)
+
+# Variables for library names, source files, etc.
+set(WEBUI_OUT_LIB_NAME "webui-2")
+
+# Platform and compiler specific settings
+if(WIN32)
+
+  # Windows specific compiler flags
+  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /DNO_SSL")
+
+  # Add Windows specific source files or flags here
+  # Example: set(SOURCE_FILES ${SOURCE_FILES} additional_windows_sources.c)
+
+elseif(UNIX)
+  # Linux specific settings
+
+  # Linux specific compiler flags
+  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DNO_SSL -w")
+
+  # Add Linux specific source files or flags here
+  # Example: set(SOURCE_FILES ${SOURCE_FILES} additional_linux_sources.c)
+endif()
+
+# Conditional compilation for TLS
+option(WEBUI_USE_TLS "Enable TLS support" OFF)
+if(WEBUI_USE_TLS)
+  # Add definitions and libraries for TLS
+  add_definitions(-DWEBUI_TLS)
+
+  if(WIN32)
+    # Windows TLS settings
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /DWEBUI_TLS /DNO_SSL_DL /DOPENSSL_API_1_1")
+    # Specify the TLS library for Windows, if needed
+    # Example: target_link_libraries(webui_static PRIVATE ssl crypto)
+  else()
+    # Linux TLS settings
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DWEBUI_TLS -DNO_SSL_DL -DOPENSSL_API_1_1")
+    # Specify the TLS library for Linux, if needed
+    # Example: target_link_libraries(webui_static PRIVATE ssl crypto)
+  endif()
+endif()
+
+# Include directories
+include_directories(include bridge)
+add_subdirectory(src/civetweb)
+
+# Source files (already filled)
+set(SOURCE_FILES
+    src/webui.c
+    bridge/webui_bridge.h
+)
+
+# Library targets (static and dynamic)
+add_library(webui_static STATIC ${SOURCE_FILES})
+set_target_properties(webui_static PROPERTIES
+    OUTPUT_NAME ${WEBUI_OUT_LIB_NAME}-static
+    ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/dist")
+target_link_libraries(webui_static PRIVATE civetweb)
+
+add_library(webui_dynamic SHARED ${SOURCE_FILES})
+set_target_properties(webui_dynamic PROPERTIES
+    OUTPUT_NAME ${WEBUI_OUT_LIB_NAME}
+    PREFIX ""
+    LIBRARY_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/dist")
+target_link_libraries(webui_dynamic PRIVATE civetweb)
+
+# Install targets
+install(TARGETS webui_static webui_dynamic
+    ARCHIVE DESTINATION lib
+    LIBRARY DESTINATION lib)

src/civetweb/CMakeLists.txt

@@ -0,0 +1,29 @@
+cmake_minimum_required(VERSION 3.10)
+project(civetweb)
+
+# Source files
+set(SOURCE_FILES
+    civetweb.c
+    civetweb.h
+    handle_form.inl
+    match.inl
+    md5.inl
+    response.inl
+    sha1.inl
+    sort.inl
+)
+
+# The C API library
+add_library(civetweb ${SOURCE_FILES})
+
+# Include directories
+target_include_directories(civetweb PUBLIC ${CMAKE_CURRENT_SOURCE_DIR})
+
+# Link libraries
+find_package(Threads REQUIRED)
+target_link_libraries(civetweb Threads::Threads)
+
+# If on Windows, link with WinSock
+if(WIN32)
+  target_link_libraries(civetweb ws2_32)
+endif()