force legacy standard for gfortran

[unres.git] / source / wham / src-M / CMakeLists.txt

diff --git a/source/wham/src-M/CMakeLists.txt b/source/wham/src-M/CMakeLists.txt
index a91829e..c788207 100644 (file)
--- a/source/wham/src-M/CMakeLists.txt
+++ b/source/wham/src-M/CMakeLists.txt
@@ -98,7 +98,7 @@ set(UNRES_WHAM_M_PP_SRC
 if (Fortran_COMPILER_NAME STREQUAL "ifort")
   set(FFLAGS0 "-g -CB -I. -I${CMAKE_CURRENT_SOURCE_DIR}/include_unres -I${MPIF_INCLUDE_DIRECTORIES}" ) 
 elseif (Fortran_COMPILER_NAME STREQUAL "gfortran")
-  set(FFLAGS0 "-g -I. -I${CMAKE_CURRENT_SOURCE_DIR}/include_unres -I${MPIF_INCLUDE_DIRECTORIES}" ) 
+  set(FFLAGS0 "-std=legacy -g -I. -I${CMAKE_CURRENT_SOURCE_DIR}/include_unres -I${MPIF_INCLUDE_DIRECTORIES}" ) 
 endif (Fortran_COMPILER_NAME STREQUAL "ifort")