--- poppler-0.61.0/cmake/modules/PopplerMacros.cmake
+++ poppler-0.61.0/cmake/modules/PopplerMacros.cmake
@@ -98,8 +98,6 @@
   set(CMAKE_BUILD_TYPE RelWithDebInfo)
 endif(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
 
-if(CMAKE_COMPILER_IS_GNUCXX)
-  # set the default compile warnings
   set(_warn "-Wall -Wextra -Wpedantic")
   set(_warn "${_warn} -Wno-unused-parameter -Wno-missing-field-initializers")
   set(_warn "${_warn} -Wcast-align")
@@ -124,39 +122,6 @@
   set(DEFAULT_COMPILE_WARNINGS "${_warn}")
   set(DEFAULT_COMPILE_WARNINGS_EXTRA "${_warn} ${_warnx}")
 
-  set(_save_cxxflags "${CMAKE_CXX_FLAGS}")
-  set(CMAKE_CXX_FLAGS                "-fno-exceptions -fno-check-new -fno-common -D_DEFAULT_SOURCE")
-  set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O2 -g ${_save_cxxflags}")
-  set(CMAKE_CXX_FLAGS_RELEASE        "-O2 -DNDEBUG ${_save_cxxflags}")
-  set(CMAKE_CXX_FLAGS_DEBUG          "-g -O2 -fno-reorder-blocks -fno-schedule-insns -fno-inline ${_save_cxxflags}")
-  set(CMAKE_CXX_FLAGS_DEBUGFULL      "-g3 -fno-inline ${_save_cxxflags}")
-  set(CMAKE_CXX_FLAGS_PROFILE        "-g3 -fno-inline -ftest-coverage -fprofile-arcs ${_save_cxxflags}")
-  set(_save_cflags "${CMAKE_C_FLAGS}")
-  set(CMAKE_C_FLAGS                  "-std=c99 -D_DEFAULT_SOURCE")
-  set(CMAKE_C_FLAGS_RELWITHDEBINFO   "-O2 -g ${_save_cflags}")
-  set(CMAKE_C_FLAGS_RELEASE          "-O2 -DNDEBUG ${_save_cflags}")
-  set(CMAKE_C_FLAGS_DEBUG            "-g -O2 -fno-reorder-blocks -fno-schedule-insns -fno-inline ${_save_cflags}")
-  set(CMAKE_C_FLAGS_DEBUGFULL        "-g3 -fno-inline ${_save_cflags}")
-  set(CMAKE_C_FLAGS_PROFILE          "-g3 -fno-inline -ftest-coverage -fprofile-arcs ${_save_cflags}")
-
-  poppler_check_link_flag("-Wl,--as-needed" GCC_HAS_AS_NEEDED)
-  if(GCC_HAS_AS_NEEDED)
-    set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--as-needed")
-    set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} -Wl,--as-needed")
-    set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--as-needed")
-  endif(GCC_HAS_AS_NEEDED)
-endif (CMAKE_COMPILER_IS_GNUCXX)
-
-if(CMAKE_C_COMPILER MATCHES "icc")
-  set(_save_cxxflags "${CMAKE_CXX_FLAGS}")
-  set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O2 -g ${_save_cxxflags}")
-  set(CMAKE_CXX_FLAGS_RELEASE        "-O2 -DNDEBUG ${_save_cxxflags}")
-  set(CMAKE_CXX_FLAGS_DEBUG          "-O2 -g -0b0 -noalign ${_save_cxxflags}")
-  set(CMAKE_CXX_FLAGS_DEBUGFULL      "-g -Ob0 -noalign ${_save_cxxflags}")
-  set(_save_cflags "${CMAKE_C_FLAGS}")
-  set(CMAKE_C_FLAGS_RELWITHDEBINFO   "-O2 -g ${_save_cflags}")
-  set(CMAKE_C_FLAGS_RELEASE          "-O2 -DNDEBUG ${_save_cflags}")
-  set(CMAKE_C_FLAGS_DEBUG            "-O2 -g -Ob0 -noalign ${_save_cflags}")
-  set(CMAKE_C_FLAGS_DEBUGFULL        "-g -Ob0 -noalign ${_save_cflags}")
-endif(CMAKE_C_COMPILER MATCHES "icc")
-
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wnon-virtual-dtor -Woverloaded-virtual")
+  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=c99")
+ 
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