Compiling Fortran Programs97
[rr@conformix 4]$ g77 -v
g77 version 2.96 20000731 (Red Hat Linux 7.1 2.96-81) (from
FSF-g77 version 0.5.26 20000731 (Red Hat Linux 7.1 2.96-81))
Driving: g77 -v -c -xf77-version /dev/null -xnone
Reading specs from /usr/lib/gcc-lib/i386-redhat-linux/2.96/
specs
gcc version 2.96 20000731 (Red Hat Linux 7.1 2.96-81)
/usr/lib/gcc-lib/i386-redhat-linux/2.96/tradcpp0 -lang-
fortran -v -D__GNUC__=2 -D__GNUC_MINOR__=96 -
D__GNUC_PATCHLEVEL__=0 -D__ELF__ -Dunix -Dlinux -D__ELF__ -
D__unix__ -D__linux__ -D__unix -D__linux -Asystem(posix) -
Acpu(i386) -Amachine(i386) -Di386 -D__i386 -D__i386__ -
D__tune_i386__ /dev/null /dev/null
GNU traditional CPP version 2.96 20000731 (Red Hat Linux 7.1
2.96-81)
/usr/lib/gcc-lib/i386-redhat-linux/2.96/f771 -fnull-version -
quiet -dumpbase g77-version.f -version -fversion -o /tmp/
ccr29cz4.s /dev/null
GNU F77 version 2.96 20000731 (Red Hat Linux 7.1 2.96-81)
(i386-redhat-linux) compiled by GNU C version 2.96 20000731
(Red Hat Linux 7.1 2.96-81).
GNU Fortran Front End version 0.5.26 20000731 (Red Hat Linux
7.1 2.96-81)
as -V -Qy -o /tmp/ccqJAAN9.o /tmp/ccr29cz4.s
GNU assembler version 2.10.91 (i386-redhat-linux) using BFD
version 2.10.91.0.2
ld -m elf_i386 -dynamic-linker /lib/ld-linux.so.2 -o /tmp/
ccijxxjb /tmp/ccqJAAN9.o /usr/lib/gcc-lib/i386-redhat-linux/
2.96/../../../crt1.o /usr/lib/gcc-lib/i386-redhat-linux/2.96/
../../../crti.o /usr/lib/gcc-lib/i386-redhat-linux/2.96/
crtbegin.o -L/usr/lib/gcc-lib/i386-redhat-linux/2.96 -L/usr/
lib/gcc-lib/i386-redhat-linux/2.96/../../.. -lg2c -lm -lgcc -
lc -lgcc /usr/lib/gcc-lib/i386-redhat-linux/2.96/crtend.o /
usr/lib/gcc-lib/i386-redhat-linux/2.96/../../../crtn.o
/tmp/ccijxxjb
__G77_LIBF77_VERSION__: 0.5.26 20000731 (prerelease)
@(#)LIBF77 VERSION 19991115
__G77_LIBI77_VERSION__: 0.5.26 20000731 (prerelease)
@(#) LIBI77 VERSION pjw,dmg-mods 19991115
__G77_LIBU77_VERSION__: 0.5.26 20000731 (prerelease)
@(#) LIBU77 VERSION 19980709
[rr@conformix 4]$
As you can see, it takes the help of
gcc
to compile programs. Note that Fortran programs
have
.for
or
.f
at the end of the name of the program file.
As with
gcc
, you can create intermediate assembled or object code with
g77
. See manual
pages of
g77
for more information.