compilers:

gcc  (Debian 4.7.2-5) 4.7.2

f77 fort77 Version 1.15
	invokes f2c (Fortran to C Translator) version 20100827

libraries:

libc.so.6
libm.so.6
libf2c.so.2

the (32bit) binaries work also with 
gcc (Debian 12.2.0-14+deb12u1) 12.2.0
