Hi all:

I am using openmpi to compile Fortran program on RHEL5.2 x86 machine. Open MPI 1.2.5-2 is installed. mpif77 gave following error.

[root@xblade08 dtyp]# mpif77 -c -o freal16_f.o freal16_f.f
In file freal16_f.f:67

real*16 real16
1
Error: Old-style type declaration REAL*16 not supported at (1)
[root@xblade08 dtyp]# vi freal16_f.f
67 real*16 real16
[root@xblade08 dtyp]# which mpif77
/usr/bin/mpif77
[root@xblade08 dtyp]# file /usr/bin/mpif77
/usr/bin/mpif77: symbolic link to `/etc/alternatives/mpif77'
[root@xblade08 dtyp]# file /etc/alternatives/mpif77
/etc/alternatives/mpif77: symbolic link to `/usr/bin/opal_wrapper-1.2.5-gcc-32'
[root@xblade08 dtyp]# rpm -qf /usr/bin/opal_wrapper-1.2.5-gcc-32
openmpi-devel-1.2.5-2.el5
[root@xblade08 dtyp]# mpif77 -v
Using built-in specs.
Target: i386-redhat-linux
Configured with: ../configure --prefix=/usr --mandir=/usr/share/man --infodir=/usr/share/info --enable-shared --enable-threads=posix --enable-checking=release --with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions --enable-libgcj-multifile --enable-languages=c,c++,objc,obj-c++,java,fortran,ada --enable-java-awt=gtk --disable-dssi --enable-plugin --with-java-home=/usr/lib/jvm/java-1.4.2-gcj-1.4.2.0/jre --with-cpu=generic --host=i386-redhat-linux
Thread model: posix
gcc version 4.1.2 20071124 (Red Hat 4.1.2-41)


Since mpif77 is one compiler wrapper, how can I get the detailed compiler, environment variables and arguments to the file compile freal16_f.f? I have another file named freal8_f.f, with the sentence "real*8 real8". But mpif77 can compile it smoothly.

Thanks!

Wen Hao Wang
Email: wangwhao@cn.ibm.com