Now both gcc and gfortran are 4.8.2 and netcdf has also been built using that version. A new error has come

 

[RCM@rcm RegCM-4.4-rc31]$ make
make  all-recursive
make[1]: Entering directory `/home/RCM/RegCM-4.4-rc31'
Making all in external
make[2]: Entering directory `/home/RCM/RegCM-4.4-rc31/external'
make[2]: Nothing to be done for `all'.
make[2]: Leaving directory `/home/RCM/RegCM-4.4-rc31/external'
Making all in Share
make[2]: Entering directory `/home/RCM/RegCM-4.4-rc31/Share'
gfortran -I/home/RCM/RegCM-4.4-rc31/external -I/opt/netcdf-4.3.2/include -I/opt/netcdf-4.3.2/include  -I/home/RCM/RegCM-4.4-rc31/Share -D'SVN_REV="exported"' -O3 -mtune=native -fconvert=big-endian -fno-range-check -finline-functions -c mod_memutil.F90
mod_memutil.F90:22.6:

  use mod_intkinds
      1
Fatal Error: Cannot read module file 'mod_intkinds.mod' opened at (1), because it was created by a different version of GNU Fortran
make[2]: *** [mod_memutil.o] Error 1
make[2]: Leaving directory `/home/RCM/RegCM-4.4-rc31/Share'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/home/RCM/RegCM-4.4-rc31'
make: *** [all] Error 2
[RCM@rcm RegCM-4.4-rc31]$ gfortran -v
Using built-in specs.
COLLECT_GCC=gfortran
COLLECT_LTO_WRAPPER=/opt/rh/devtoolset-2/root/usr/libexec/gcc/x86_64-redhat-linux/4.8.2/lto-wrapper
Target: x86_64-redhat-linux
Configured with: ../configure --prefix=/opt/rh/devtoolset-2/root/usr --mandir=/opt/rh/devtoolset-2/root/usr/share/man --infodir=/opt/rh/devtoolset-2/root/usr/share/info --with-bugurl=http://bugzilla.redhat.com/bugzilla --enable-bootstrap --enable-shared --enable-threads=posix --enable-checking=release --with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions --enable-gnu-unique-object --enable-linker-build-id --enable-languages=c,c++,fortran,lto --enable-plugin --with-linker-hash-style=gnu --enable-initfini-array --disable-libgcj --with-isl=/builddir/build/BUILD/gcc-4.8.2-20140120/obj-x86_64-redhat-linux/isl-install --with-cloog=/builddir/build/BUILD/gcc-4.8.2-20140120/obj-x86_64-redhat-linux/cloog-install --with-mpc=/builddir/build/BUILD/gcc-4.8.2-20140120/obj-x86_64-redhat-linux/mpc-install --with-tune=generic --with-arch_32=i686 --build=x86_64-redhat-linux
Thread model: posix
gcc version 4.8.2 20140120 (Red Hat 4.8.2-15) (GCC)