> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On Behalf Of
> Anton Shterenlikht
> Sent: Thursday, June 05, 2008 7:21 AM
> To: [email protected]
> Subject: size of executable - g95 vs gfortran42 - shared libs?
>
> I use two different fortran90 compiler on a simple input file
> and get executables which differ in size by almost 3 orders of
> magnitude, see below. Is this something to do with the use
> of shared libraries?
>
> % gfortran42 tmp.f90
> % ls -al a.out
> -rwxr-xr-x 1 <xxx> <zzz> 9179 5 Jun 14:15 a.out
> % g95 tmp.f90
> % ls -al a.out
> -rwxr-xr-x 1 <xxx> <zzz> 546413 5 Jun 14:15 a.out
> %
>
> The program results seem to be identical.
>
> many thanks
> anton
Run "file" and "ldd" on the executables to see the difference:
[EMAIL PROTECTED] ~]# file `which ls`
/bin/ls: ELF 32-bit LSB executable, Intel 80386, version 1 (FreeBSD),
for FreeBSD 8.0 (800038), dynamically linked (uses shared libs),
FreeBSD-style, stripped
[EMAIL PROTECTED] ~]# ldd `which ls`
/bin/ls:
libutil.so.7 => /lib/libutil.so.7 (0x28082000)
libncurses.so.7 => /lib/libncurses.so.7 (0x28090000)
libc.so.7 => /lib/libc.so.7 (0x280cf000)
[EMAIL PROTECTED] ~]#
Hope this helps
Tobias
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