diff --git a/CMakeLists.txt b/CMakeLists.txt
index 92751cd..edb3ff8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -12,13 +12,13 @@ include(CheckCXXCompilerFlag)
 CHECK_CXX_COMPILER_FLAG("-std=c++11" COMPILER_SUPPORTS_CXX11)
 CHECK_CXX_COMPILER_FLAG("-std=c++0x" COMPILER_SUPPORTS_CXX0X)
 
-if(COMPILER_SUPPORTS_CXX11)
-  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
-elseif(COMPILER_SUPPORTS_CXX0X)
-  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++0x")
-else()
-  message(FATAL_ERROR "The compiler ${CMAKE_CXX_COMPILER} has no C++11 support. Please use a different C++ compiler.")
-endif()
+#if(COMPILER_SUPPORTS_CXX11)
+#  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
+#elseif(COMPILER_SUPPORTS_CXX0X)
+#  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++0x")
+#else()
+#  message(FATAL_ERROR "The compiler ${CMAKE_CXX_COMPILER} has no C++11 support. Please use a different C++ compiler.")
+#endif()
 
 # We need g++ >= version 4.7 (see
 # http://stackoverflow.com/questions/4058565/check-gcc-minor-in-cmake)
@@ -52,7 +52,7 @@ install(FILES ${PROJECT_BINARY_DIR}/config.hpp DESTINATION include/ctb)
 
 # Perform as many checks as possible on debug builds:
 #    cmake -DCMAKE_BUILD_TYPE=Debug ..
-set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -Wall -Wextra --pedantic")
+#set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -Wall -Wextra --pedantic")
 #set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -Wall -Wextra --pedantic")
 
 # Build and install libctb
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index e8bb5a2..0ac9970 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -9,9 +9,9 @@ include_directories(${GDAL_INCLUDE_DIRS})
 # unification.
 include(CheckLibraryExists)
 check_library_exists(gdal GDALOpenEx "gdal.h" HAVE_UNIFIED_GDAL)
-if(NOT HAVE_UNIFIED_GDAL)
-  message(FATAL_ERROR "The GDAL version must be one that implements RFC 46 (GDAL/OGR unification) i.e. >= 2.0.0")
-endif(NOT HAVE_UNIFIED_GDAL)
+#if(NOT HAVE_UNIFIED_GDAL)
+#  message(FATAL_ERROR "The GDAL version must be one that implements RFC 46 (GDAL/OGR unification) i.e. >= 2.0.0")
+#endif(NOT HAVE_UNIFIED_GDAL)
 
 # We need zlib
 find_package(ZLIB)