diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8367e2bc5..e277441fa 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -226,11 +226,18 @@ ELSEIF( CMAKE_COMPILER_IS_MINGW )
   ADD_DEFINITIONS( -U__STRICT_ANSI__ )
 ENDIF()
 
-IF (IOS)
-  SET(CMAKE_C_FLAGS   "${CMAKE_C_FLAGS}   -fembed-bitcode -O3")
+IF ( IOS )
+
+IF (CMAKE_BUILD_TYPE STREQUAL "Debug")
+  SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fembed-bitcode -g")
+  SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fembed-bitcode -g")
+ELSE()
+  SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fembed-bitcode -O3")
   SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fembed-bitcode -O3")
 ENDIF()
 
+ENDIF( IOS )
+
 IF (ASSIMP_COVERALLS)
   MESSAGE(STATUS "Coveralls enabled")
   INCLUDE(Coveralls)
diff --git a/port/iOS/build.sh b/port/iOS/build.sh
index a4e8bb052..e717c836a 100755
--- a/port/iOS/build.sh
+++ b/port/iOS/build.sh
@@ -58,7 +58,7 @@ build_arch()
         echo '[!] Target SDK set to DEVICE.'
     fi
 
-    unset DEVROOT SDKROOT CFLAGS LDFLAGS CPPFLAGS CXXFLAGS
+    unset DEVROOT SDKROOT CFLAGS LDFLAGS CPPFLAGS CXXFLAGS CMAKE_CLI_INPUT
            
 	#export CC="$(xcrun -sdk iphoneos -find clang)"
     #export CPP="$CC -E"
@@ -66,12 +66,16 @@ build_arch()
     export SDKROOT=$DEVROOT/SDKs/$IOS_SDK_DEVICE$IOS_SDK_VERSION.sdk
     export CFLAGS="-arch $1 -pipe -no-cpp-precomp -stdlib=$CPP_STD_LIB -isysroot $SDKROOT -I$SDKROOT/usr/include/ -miphoneos-version-min=$IOS_SDK_TARGET"
     export LDFLAGS="-arch $1 -isysroot $SDKROOT -L$SDKROOT/usr/lib/"
-    export CPPFLAGS=$CFLAGS
+    export CPPFLAGS="$CFLAGS"
     export CXXFLAGS="$CFLAGS -std=$CPP_STD"
 
     rm CMakeCache.txt
-
-    cmake  -G 'Unix Makefiles' -DCMAKE_C_COMPILER=$CMAKE_C_COMPILER -DCMAKE_CXX_COMPILER=$CMAKE_CXX_COMPILER -DCMAKE_TOOLCHAIN_FILE=./port/iOS/IPHONEOS_$(echo $1 | tr '[:lower:]' '[:upper:]')_TOOLCHAIN.cmake -DCMAKE_BUILD_TYPE=$BUILD_TYPE -DENABLE_BOOST_WORKAROUND=ON -DBUILD_SHARED_LIBS=$BUILD_SHARED_LIBS
+    
+    CMAKE_CLI_INPUT="-DCMAKE_C_COMPILER=$CMAKE_C_COMPILER -DCMAKE_CXX_COMPILER=$CMAKE_CXX_COMPILER -DCMAKE_TOOLCHAIN_FILE=./port/iOS/IPHONEOS_$(echo $1 | tr '[:lower:]' '[:upper:]')_TOOLCHAIN.cmake -DCMAKE_BUILD_TYPE=$BUILD_TYPE -DENABLE_BOOST_WORKAROUND=ON -DBUILD_SHARED_LIBS=$BUILD_SHARED_LIBS"
+    
+    echo "[!] Running CMake with -G 'Unix Makefiles' $CMAKE_CLI_INPUT"
+    
+    cmake -G 'Unix Makefiles' ${CMAKE_CLI_INPUT}
 
     echo "[!] Building $1 library"