implementing a way to recover civetweb as an external project

.gitignore

@@ -50,3 +50,6 @@ tests/cfg/pki/.rnd
 
 # pid file
 *.pid
+
+# civetweb build directory
+civetweb-prefix/

CMakeLists.txt

@@ -1,9 +1,13 @@
 cmake_minimum_required (VERSION 2.6)
 project (uts-server)
+include(ExternalProject)
+
 
 set(VERSION 0.1.0)
 
 option(DEBUG     "compile with debug symbol"    OFF)
+option(BUNDLE_CIVETWEB     "bundle civetweb with uts-server"    OFF)
+
 if(DEBUG)
     set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O0 -g")
     set(CMAKE_BUILD_TYPE Debug)
@@ -19,14 +23,34 @@ set(CMAKE_C_FLAGS "${CMAKE_CXX_FLAGS} -DUTS_VERSION='\"${VERSION}\"'")
 
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_CURRENT_SOURCE_DIR}/cmake/")
 
-find_package(libcivetweb REQUIRED)
-MESSAGE( STATUS "Find Header Directory for libcivetweb: " ${LIBCIVETWEB_INCLUDE_DIR})
-MESSAGE( STATUS "Find Dynamic Library for libcivetweb:  " ${LIBCIVETWEB_LIBRARIES})
+
+if(BUNDLE_CIVETWEB)
+    ExternalProject_Add( civetweb
+       GIT_REPOSITORY https://github.com/civetweb/civetweb
+       GIT_TAG v1.8
+       INSTALL_DIR /usr/local
+       CMAKE_ARGS .. -DCMAKE_INSTALL_PREFIX=/usr
+        -DCIVETWEB_DISABLE_CGI=ON
+        -DCIVETWEB_ENABLE_CXX=OFF
+        -DBUILD_SHARED_LIBS=OFF
+        -DCIVETWEB_DISABLE_CGI=ON
+        -DCIVETWEB_SERVE_NO_FILES=ON
+        -DBUILD_TESTING=OFF
+       INSTALL_COMMAND make install DESTDIR=${CMAKE_CURRENT_SOURCE_DIR}/vendor/
+    )
+    set(LIBCIVETWEB_INCLUDE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/vendor/usr/include")
+    set(LIBCIVETWEB_LIBRARIES "${CMAKE_CURRENT_SOURCE_DIR}/vendor/usr/lib/libcivetweb.a")
+    set (CMAKE_C_LINK_EXECUTABLE "${CMAKE_CXX_LINK_EXECUTABLE} -ldl -lpthread")
+else(BUNDLE_CIVETWEB)
+    find_package(libcivetweb REQUIRED)
+endif(BUNDLE_CIVETWEB)
 
 find_package(OpenSSL REQUIRED)
-MESSAGE( STATUS "OpenSSL include dir: ${OPENSSL_INCLUDE_DIR}")
-MESSAGE( STATUS "OpenSSL libraries: ${OPENSSL_LIBRARIES}")
+MESSAGE(STATUS "OpenSSL include dir: ${OPENSSL_INCLUDE_DIR}")
+MESSAGE(STATUS "OpenSSL libraries: ${OPENSSL_LIBRARIES}")
 
+MESSAGE( STATUS "Find Header Directory for libcivetweb: " ${LIBCIVETWEB_INCLUDE_DIR})
+    MESSAGE( STATUS "Find Dynamic Library for libcivetweb:  " ${LIBCIVETWEB_LIBRARIES})
 include_directories(
     ./inc/
     ${LIBCIVETWEB_INCLUDE_DIR}
@@ -41,8 +65,8 @@ add_executable(uts-server
 )
 
 target_link_libraries(uts-server
-    ${LIBCIVETWEB_LIBRARIES}
     ${OPENSSL_LIBRARIES}
+    ${LIBCIVETWEB_LIBRARIES}
 )
 
 INSTALL(TARGETS uts-server