diff -u -r -N a/Source/config/Makefile.-linux-gnu.detect b/Source/config/Makefile.-linux-gnu.detect
--- a/Source/config/Makefile.-linux-gnu.detect 2020-08-07 14:05:03.000000000 +0900
+++ b/Source/config/Makefile.-linux-gnu.detect 2020-08-07 14:09:43.000000000 +0900
@@ -18,7 +18,7 @@
##################################################################
# Compiler suite configurations based upon F90 ###
##################################################################
-F90_List = gfortran pgfortran pgf90 lf95 f90 ifort g95 ftn pathf90 flang
+F90_List = gfortran pgfortran pgf90 lf95 f90 ifort g95 ftn pathf90 flang frt
# Default: use the first F90 compiler found from F90_List
F90_Found_List = $(call memoize,create_F90_Found_List_once,$(F90_List))
diff -u -r -N a/Source/config/Makefile.-linux-gnu.hashes b/Source/config/Makefile.-linux-gnu.hashes
--- a/Source/config/Makefile.-linux-gnu.hashes 2020-08-07 14:05:03.000000000 +0900
+++ b/Source/config/Makefile.-linux-gnu.hashes 2020-08-07 14:24:53.000000000 +0900
@@ -33,6 +33,7 @@
$(call set,_CC,gfortran, gcc ) # gfortran
$(call set,_CC,ftn, cc gcc ) # Cray Computing Environment (cce)
$(call set,_CC,flang, clang gcc ) # flang/clang
+$(call set,_CC,frt, fcc gcc ) # Fujitsu
$(call set,_CXX,pgfortran, pgCC pgc++ g++ ) # PGI
$(call set,_CXX,pgf90, pgCC pgc++ g++ ) # PGI
@@ -44,6 +45,7 @@
$(call set,_CXX,gfortran, g++ ) # gfortran
$(call set,_CXX,ftn, CC g++ ) # Cray Computing Environment (cce)
$(call set,_CXX,flang, clang++ g++ ) # flang/clang++
+$(call set,_CXX,frt, FCC g++ ) # Fujitsu
$(call set,_F77,pgfortran, pgfortran pgf77 pgf90 ) # PGI
$(call set,_F77,pgf90, pgfortran pgf77 pgf90 ) # PGI
@@ -55,6 +57,7 @@
$(call set,_F77,gfortran, $(F90) ) # gfortran
$(call set,_F77,ftn, $(F90) ) # Cray Computing Environment (cce)
$(call set,_F77,flang, flang ) # flang
+$(call set,_F77,frt, frt ) # Fujitsu
##################################################################
### Define CC, CXX and F77 according to $(F90_Key). ###
@@ -101,6 +104,7 @@
$(call set,_COMP_FLAGS,ppu-gfortran, -I"$(INCDIR)" ) # ppu-gfortran
$(call set,_COMP_FLAGS,ftn, -e m -I"$(INCDIR)" -hfp0 ) # Cray Computing Environment (cce)
$(call set,_COMP_FLAGS,flang, -I"$(INCDIR)" ) # flang
+$(call set,_COMP_FLAGS,frt, -I"$(INCDIR)" ) # Fujitsu
# define define_module_subdir script options
$(call set,_DEFINE_MODULE_SUBDIR_FLAGS,f90,) # Absoft f90
@@ -113,6 +117,7 @@
$(call set,_DEFINE_MODULE_SUBDIR_FLAGS,gfortran,) # gfortran
$(call set,_DEFINE_MODULE_SUBDIR_FLAGS,ftn,) # Cray Computing Environment (cce)
$(call set,_DEFINE_MODULE_SUBDIR_FLAGS,flang,) # flang
+$(call set,_DEFINE_MODULE_SUBDIR_FLAGS,frt,) # Fujitsu
# define define_module_subdir script patterns
$(call set,_DEFINE_MODULE_SUBDIR_PATTS,f90,absoft) # Absoft f90
@@ -125,6 +130,7 @@
$(call set,_DEFINE_MODULE_SUBDIR_PATTS,gfortran,gcc) # gfortran
$(call set,_DEFINE_MODULE_SUBDIR_PATTS,ftn,cce) # Cray Computing Environment (cce)
$(call set,_DEFINE_MODULE_SUBDIR_PATTS,flang,flang) # flang
+$(call set,_DEFINE_MODULE_SUBDIR_PATTS,frt,frt) # Fujitsu
# define optional modules for cross-compiling
X_Compile_Module_List = craype-haswell craype-mic-knl
