--- libLAS-1.8.0/CMakeLists.txt
+++ libLAS-1.8.0/CMakeLists.txt
@@ -140,27 +140,6 @@
   
   set(CMAKE_INCLUDE_PATH c:/osgeo4w64/include;$ENV{CMAKE_INCLUDE_PATH})
   set(CMAKE_LIBRARY_PATH c:/osgeo4w64/lib;$ENV{CMAKE_LIBRARY_PATH})
-else()
-
-  # Recommended C++ compilation flags
-  # -Weffc++
-  #
-  # Remove -pedandic which causes errors from boost (comma at end of
-  # enum) 2012-09-05.  Remove -Wcast-qual -Wfloat-equal
-  # -Wredundant-decls to suppress the multitude of warning messages.
-  set(LIBLAS_COMMON_CXX_FLAGS
-	" -Wextra -Wall -Wno-unused-parameter -Wno-unused-variable -Wpointer-arith -Wcast-align -Wcast-qual -Wfloat-equal -Wredundant-decls -Wno-long-long")
-
-  if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX)
-
-    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${LIBLAS_COMMON_CXX_FLAGS}")
-    if (CMAKE_COMPILER_IS_GNUCXX)
-      set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++98 -ansi")
-    endif()
-
-  elseif("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang" OR "${CMAKE_CXX_COMPILER}" MATCHES "clang")
-    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${LIBLAS_COMMON_CXX_FLAGS}")
-  endif()
 endif(WIN32)
 
 if (APPLE)