--- contrib/tabipb/CMakeLists.txt.orig	2016-06-09 20:42:21.000000000 -0400
+++ contrib/tabipb/CMakeLists.txt	2016-06-09 20:44:22.000000000 -0400
@@ -19,26 +19,8 @@
 # FFLAGS depend on the compiler
 get_filename_component (Fortran_COMPILER_NAME ${CMAKE_Fortran_COMPILER} NAME)
 
-if (Fortran_COMPILER_NAME MATCHES "gfortran.*")
-  # gfortran
-  set (CMAKE_Fortran_FLAGS_RELEASE "-funroll-all-loops -fno-f2c -O3")
-  set (CMAKE_Fortran_FLAGS_DEBUG   "-fno-f2c -O0 -g")
-elseif (Fortran_COMPILER_NAME MATCHES "ifort.*")
-  # ifort (untested)
-  set (CMAKE_Fortran_FLAGS_RELEASE "-f77rtl -O3")
-  set (CMAKE_Fortran_FLAGS_DEBUG   "-f77rtl -O0 -g")
-elseif (Fortran_COMPILER_NAME MATCHES "g77")
-  # g77
-  set (CMAKE_Fortran_FLAGS_RELEASE "-funroll-all-loops -fno-f2c -O3 -m32")
-  set (CMAKE_Fortran_FLAGS_DEBUG   "-fno-f2c -O0 -g -m32")
-else (Fortran_COMPILER_NAME MATCHES "gfortran.*")
-  message ("CMAKE_Fortran_COMPILER full path: " ${CMAKE_Fortran_COMPILER})
-  message ("Fortran compiler: " ${Fortran_COMPILER_NAME})
-  message ("No optimized Fortran compiler flags are known, we just try -O2...")
-  set (CMAKE_Fortran_FLAGS_RELEASE "-O2")
-  set (CMAKE_Fortran_FLAGS_DEBUG   "-O0 -g")
-endif (Fortran_COMPILER_NAME MATCHES "gfortran.*")
-
+set (CMAKE_Fortran_FLAGS_RELEASE "FCFLAGS")
+set (CMAKE_Fortran_FLAGS_DEBUG   "FCFLAGS")
 
 set (LIBFILES src/tabipb.f90 src/var_modules.f90 src/treecode3d_pb.f
 src/readin.f90 src/dgmres_dep.f)