Update optimization controls

jchristopherson · Aug 11, 2020 · 71ca506 · 71ca506
1 parent c4f7e81
commit 71ca506
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -69,15 +69,15 @@ endif()
 
 if (Fortran_COMPILER_NAME MATCHES "gfortran.*")
  # gfortran
- set(CMAKE_Fortran_FLAGS_RELEASE "-funroll-all-loops -fno-f2c -O3 -Wl,--allow-multiple-definition")
+ set(CMAKE_Fortran_FLAGS_RELEASE "-funroll-all-loops -fno-f2c -O0 -Wl,--allow-multiple-definition")
  set (CMAKE_Fortran_FLAGS_DEBUG "-fno-f2c -O0 -g -Wall -Wno-c-binding-type -Wl,--allow-multiple-definition")
 elseif (Fortran_COMPILER_NAME MATCHES "ifort.*")
  # ifort (untested)
- set (CMAKE_Fortran_FLAGS_RELEASE "-f77rtl -O3")
+ set (CMAKE_Fortran_FLAGS_RELEASE "-f77rtl -O0")
  set (CMAKE_Fortran_FLAGS_DEBUG "-f77rtl -O0 -g")
 else (Fortran_COMPILER_NAME MATCHES "gfortran.*")
  message ("No optimized Fortran compiler flags are known, we just try -O2...")
- set (CMAKE_Fortran_FLAGS_RELEASE "-O2 -Wl,--allow-multiple-definition")
+ set (CMAKE_Fortran_FLAGS_RELEASE "-O0 -Wl,--allow-multiple-definition")
  set (CMAKE_Fortran_FLAGS_DEBUG "-O0 -g -Wall -Wl,--allow-multiple-definition")
 endif ()
 message(STATUS "CMAKE_Fortran_COMPILER full path: " ${CMAKE_Fortran_COMPILER})