fix(build): test on RPi

Author: nebgnahz

CMakeLists.txt

@@ -1,7 +1,7 @@
 set(PROJECT ESP)
 
 project(${PROJECT})
-cmake_minimum_required(VERSION 3.1)
+cmake_minimum_required(VERSION 3.0)
 
 # =============================================================
 #   Project configuration
@@ -10,7 +10,17 @@ set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_CURRENT_SOURCE_DIR}/cmake/")
 include(DetectArch)
 # This will populate the variable ${ARCH}
 detect_arch()
-set(CMAKE_CXX_STANDARD 11)
+
+macro(use_cxx11)
+  if (CMAKE_VERSION VERSION_LESS "3.1")
+    if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
+      set (CMAKE_CXX_FLAGS "--std=gnu++11 ${CMAKE_CXX_FLAGS}")
+    endif ()
+  else ()
+    set (CMAKE_CXX_STANDARD 11)
+  endif ()
+endmacro(use_cxx11)
+use_cxx11()
 
 # =============================================================
 #   Find openFrameworks, this script will populate:

cmake/FindOpenFrameworks.cmake

@@ -142,10 +142,8 @@ set(openFrameworks_LIBRARIES
   ${GLFW3_LIB}
   ${openFrameworksRoot}/libs/poco/lib/${PLATFORM}/${LIB_PREFIX}PocoCrypto.a
   ${openFrameworksRoot}/libs/poco/lib/${PLATFORM}/${LIB_PREFIX}PocoData.a
-  ${openFrameworksRoot}/libs/poco/lib/${PLATFORM}/${LIB_PREFIX}PocoDataSQLite.a
   ${openFrameworksRoot}/libs/poco/lib/${PLATFORM}/${LIB_PREFIX}PocoFoundation.a
   ${openFrameworksRoot}/libs/poco/lib/${PLATFORM}/${LIB_PREFIX}PocoJSON.a
-  ${openFrameworksRoot}/libs/poco/lib/${PLATFORM}/${LIB_PREFIX}PocoMongoDB.a
   ${openFrameworksRoot}/libs/poco/lib/${PLATFORM}/${LIB_PREFIX}PocoNet.a
   ${openFrameworksRoot}/libs/poco/lib/${PLATFORM}/${LIB_PREFIX}PocoNetSSL.a
   ${openFrameworksRoot}/libs/poco/lib/${PLATFORM}/${LIB_PREFIX}PocoUtil.a