# FC = gfortran
# Even you can specify cross compiler. Meanwhile, please set HOSTCC.
+
+# cross compiler for Windows
# CC = x86_64-w64-mingw32-gcc
# FC = x86_64-w64-mingw32-gfortran
+# cross compiler for 32bit ARM
+# CC = arm-linux-gnueabihf-gcc
+# FC = arm-linux-gnueabihf-gfortran
+
+# cross compiler for 64bit ARM
+# CC = aarch64-linux-gnu-gcc
+# FC = aarch64-linux-gnu-gfortran
+
+
# If you use the cross compiler, please set this host compiler.
# HOSTCC = gcc