/bin/sh ../../../gcc/libgfortran/mk-kinds-h.sh '/test/gnu/gcc-4.1/objdir/./gcc/g
fortran -B/test/gnu/gcc-4.1/objdir/./gcc/ -B/opt/gnu64/gcc/gcc-4.1.0/hppa64-hp-h
pux11.11/bin/ -B/opt/gnu64/gcc/gcc-4.1.0/hppa64-hp-hpux11.11/lib/ -isystem /opt/
gnu64/gcc/gcc-4.1.0/hppa64-hp-hpux11.11/include -isystem /opt/gnu64/gcc/gcc-4.1.
0/hppa64-hp-hpux11.11/sys-include -I . -Wall -fno-repack-arrays -fno-underscorin
g ' > kinds.h || rm kinds.h
../../../gcc/libgfortran/mk-kinds-h.sh: Unknown type
grep '^#' < kinds.h > kinds.inc
/bin/sh: kinds.h: Cannot find or open the file.
make[3]: *** [kinds.inc] Error 1
make[3]: Leaving directory `/test/gnu/gcc-4.1/objdir/hppa64-hp-hpux11.11/libgfor
tran'

# /test/gnu/gcc-4.1/objdir/./gcc/g
fortran -B/test/gnu/gcc-4.1/objdir/./gcc/ -B/opt/gnu64/gcc/gcc-4.1.0/hppa64-hp-h
pux11.11/bin/ -B/opt/gnu64/gcc/gcc-4.1.0/hppa64-hp-hpux11.11/lib/ -isystem /opt/
gnu64/gcc/gcc-4.1.0/hppa64-hp-hpux11.11/include -isystem /opt/gnu64/gcc/gcc-4.1.
0/hppa64-hp-hpux11.11/sys-include -I . -Wall -fno-repack-arrays -fno-underscorin
g
/opt/gnu64/gcc/gcc-4.1.0/lib/gcc/hppa64-hp-hpux11.11/4.1.0/../../../libgfortranbegin.a(fmain.o): In function `main': undefined reference to `MAIN__'
collect2: ld returned 1 exit status

Adding -Wl,-debug:

Convert string '/test/gnu/gcc-4.1/objdir/./gcc/hppa64-hp-hpux11.11/4.1.0/:/test/gnu/gcc-4.1/objdir/./gcc/:/opt/gnu64/gcc/gcc-4.1.0/hppa64-hp-hpux11.11/bin/hppa64-hp-hpux11.11/4.1.0/:/opt/gnu64/gcc/gcc-4.1.0/hppa64-hp-hpux11.11/bin/:/opt/gnu64/gcc/gcc-4.1.0/hppa64-hp-hpux11.11/lib/hppa64-hp-hpux11.11/4.1.0/:/opt/gnu64/gcc/gcc-4.1.0/hppa64-hp-hpux11.11/lib/:/test/gnu/gcc-4.1/objdir/gcc/../libexec/gcc/hppa64-hp-hpux11.11/4.1.0/:/test/gnu/gcc-4.1/objdir/gcc/../libexec/gcc/:/opt/gnu64/gcc/gcc-4.1.0/libexec/gcc/hppa64-hp-hpux11.11/4.1.0/:/opt/gnu64/gcc/gcc-4.1.0/libexec/gcc/hppa64-hp-hpux11.11/4.1.0/:/opt/gnu64/gcc/gcc-4.1.0/libexec/gcc/hppa64-hp-hpux11.11/:/opt/gnu64/gcc/gcc-4.1.0/lib/gcc/hppa64-hp-hpux11.11/4.1.0/:/opt/gnu64/gcc/gcc-4.1.0/lib/gcc/hppa64-hp-hpux11.11/:/usr/libexec/gcc/hppa64-hp-hpux11.11/4.1.0/:/usr/libexec/gcc/hppa64-hp-hpux11.11/:/usr/lib/gcc/hppa64-hp-hpux11.11/4.1.0/:/usr/lib/gcc/hppa64-hp-hpux11.11/:/test/gnu/gcc-4.1/objdir/gcc/../lib/gcc/hppa64-hp-hpux11.11/4.1.0/../../../../hppa64-hp-hpux11.11/bin/hppa64-hp-hpux11.11/4.1.0/:/test/gnu/gcc-4.1/objdir/gcc/../lib/gcc/hppa64-hp-hpux11.11/4.1.0/../../../../hppa64-hp-hpux11.11/bin/:/opt/gnu64/gcc/gcc-4.1.0/lib/gcc/hppa64-hp-hpux11.11/4.1.0/../../../../hppa64-hp-hpux11.11/bin/hppa64-hp-hpux11.11/4.1.0/:/opt/gnu64/gcc/gcc-4.1.0/lib/gcc/hppa64-hp-hpux11.11/4.1.0/../../../../hppa64-hp-hpux11.11/bin/:/usr/ccs/binhppa64-hp-hpux11.11/4.1.0/:/usr/ccs/bin' into prefixes, separator = ':'
  - add prefix: /test/gnu/gcc-4.1/objdir/./gcc/hppa64-hp-hpux11.11/4.1.0/
  - add prefix: /test/gnu/gcc-4.1/objdir/./gcc/
  - add prefix: /opt/gnu64/gcc/gcc-4.1.0/hppa64-hp-hpux11.11/bin/hppa64-hp-hpux11.11/4.1.0/
  - add prefix: /opt/gnu64/gcc/gcc-4.1.0/hppa64-hp-hpux11.11/bin/
  - add prefix: /opt/gnu64/gcc/gcc-4.1.0/hppa64-hp-hpux11.11/lib/hppa64-hp-hpux11.11/4.1.0/
  - add prefix: /opt/gnu64/gcc/gcc-4.1.0/hppa64-hp-hpux11.11/lib/
  - add prefix: /test/gnu/gcc-4.1/objdir/gcc/../libexec/gcc/hppa64-hp-hpux11.11/4.1.0/
  - add prefix: /test/gnu/gcc-4.1/objdir/gcc/../libexec/gcc/
  - add prefix: /opt/gnu64/gcc/gcc-4.1.0/libexec/gcc/hppa64-hp-hpux11.11/4.1.0/
  - add prefix: /opt/gnu64/gcc/gcc-4.1.0/libexec/gcc/hppa64-hp-hpux11.11/4.1.0/
  - add prefix: /opt/gnu64/gcc/gcc-4.1.0/libexec/gcc/hppa64-hp-hpux11.11/
  - add prefix: /opt/gnu64/gcc/gcc-4.1.0/lib/gcc/hppa64-hp-hpux11.11/4.1.0/
  - add prefix: /opt/gnu64/gcc/gcc-4.1.0/lib/gcc/hppa64-hp-hpux11.11/
  - add prefix: /usr/libexec/gcc/hppa64-hp-hpux11.11/4.1.0/
  - add prefix: /usr/libexec/gcc/hppa64-hp-hpux11.11/
  - add prefix: /usr/lib/gcc/hppa64-hp-hpux11.11/4.1.0/
  - add prefix: /usr/lib/gcc/hppa64-hp-hpux11.11/
  - add prefix: /test/gnu/gcc-4.1/objdir/gcc/../lib/gcc/hppa64-hp-hpux11.11/4.1.0/../../../../hppa64-hp-hpux11.11/bin/hppa64-hp-hpux11.11/4.1.0/
  - add prefix: /test/gnu/gcc-4.1/objdir/gcc/../lib/gcc/hppa64-hp-hpux11.11/4.1.0/../../../../hppa64-hp-hpux11.11/bin/
  - add prefix: /opt/gnu64/gcc/gcc-4.1.0/lib/gcc/hppa64-hp-hpux11.11/4.1.0/../../../../hppa64-hp-hpux11.11/bin/hppa64-hp-hpux11.11/4.1.0/
  - add prefix: /opt/gnu64/gcc/gcc-4.1.0/lib/gcc/hppa64-hp-hpux11.11/4.1.0/../../../../hppa64-hp-hpux11.11/bin/
  - add prefix: /usr/ccs/binhppa64-hp-hpux11.11/4.1.0/
  - add prefix: /usr/ccs/bin/
Convert string '/opt/gnu64/bin:/opt/gnu/bin:/opt/perl5/bin:/usr/bin:/usr/sbin:/sbin' into prefixes, separator = ':'
  - add prefix: /opt/gnu64/bin/
  - add prefix: /opt/gnu/bin/
  - add prefix: /opt/perl5/bin/
  - add prefix: /usr/bin/
  - add prefix: /usr/sbin/
  - add prefix: /sbin/
Looking for 'gnm'
Looking for 'gnm'
Looking for 'nm'
Looking for 'gstrip'
Looking for 'gstrip'
Looking for 'strip'
Looking for '/test/gnu/gcc-4.1/objdir/./gcc/gfortran'
  - found: absolute path
collect2 version 4.1.0 (hppa)
ld_file_name        = /opt/gnu64/bin/ld
c_file_name         = /test/gnu/gcc-4.1/objdir/./gcc/gfortran
nm_file_name        = /test/gnu/gcc-4.1/objdir/./gcc/nm
strip_file_name     = /usr/ccs/bin/strip
c_file              = /var/tmp//ccNsq2qg.c
o_file              = /var/tmp//ccqLqEDm.o
COLLECT_GCC_OPTIONS = '-B/test/gnu/gcc-4.1/objdir/./gcc/' '-B/opt/gnu64/gcc/gcc-4.1.0/hppa64-hp-hpux11.11/bin/' '-B/opt/gnu64/gcc/gcc-4.1.0/hppa64-hp-hpux11.11/lib/' '-isystem' '/opt/gnu64/gcc/gcc-4.1.0/hppa64-hp-hpux11.11/include' '-isystem' '/opt/gnu64/gcc/gcc-4.1.0/hppa64-hp-hpux11.11/sys-include' '-I' '.' '-Wall' '-fno-repack-arrays' '-fno-underscoring' '-shared-libgcc'
COLLECT_GCC         = /test/gnu/gcc-4.1/objdir/./gcc/gfortran
COMPILER_PATH       = /test/gnu/gcc-4.1/objdir/./gcc/hppa64-hp-hpux11.11/4.1.0/:/test/gnu/gcc-4.1/objdir/./gcc/:/opt/gnu64/gcc/gcc-4.1.0/hppa64-hp-hpux11.11/bin/hppa64-hp-hpux11.11/4.1.0/:/opt/gnu64/gcc/gcc-4.1.0/hppa64-hp-hpux11.11/bin/:/opt/gnu64/gcc/gcc-4.1.0/hppa64-hp-hpux11.11/lib/hppa64-hp-hpux11.11/4.1.0/:/opt/gnu64/gcc/gcc-4.1.0/hppa64-hp-hpux11.11/lib/:/test/gnu/gcc-4.1/objdir/gcc/../libexec/gcc/hppa64-hp-hpux11.11/4.1.0/:/test/gnu/gcc-4.1/objdir/gcc/../libexec/gcc/:/opt/gnu64/gcc/gcc-4.1.0/libexec/gcc/hppa64-hp-hpux11.11/4.1.0/:/opt/gnu64/gcc/gcc-4.1.0/libexec/gcc/hppa64-hp-hpux11.11/4.1.0/:/opt/gnu64/gcc/gcc-4.1.0/libexec/gcc/hppa64-hp-hpux11.11/:/opt/gnu64/gcc/gcc-4.1.0/lib/gcc/hppa64-hp-hpux11.11/4.1.0/:/opt/gnu64/gcc/gcc-4.1.0/lib/gcc/hppa64-hp-hpux11.11/:/usr/libexec/gcc/hppa64-hp-hpux11.11/4.1.0/:/usr/libexec/gcc/hppa64-hp-hpux11.11/:/usr/lib/gcc/hppa64-hp-hpux11.11/4.1.0/:/usr/lib/gcc/hppa64-hp-hpux11.11/:/test/gnu/gcc-4.1/objdir/gcc/../lib/gcc/hppa64-hp-hpux11.11/4.1.0/../../../../hppa64-hp-hpux11.11/bin/hppa64-hp-hpux11.11/4.1.0/:/test/gnu/gcc-4.1/objdir/gcc/../lib/gcc/hppa64-hp-hpux11.11/4.1.0/../../../../hppa64-hp-hpux11.11/bin/:/opt/gnu64/gcc/gcc-4.1.0/lib/gcc/hppa64-hp-hpux11.11/4.1.0/../../../../hppa64-hp-hpux11.11/bin/hppa64-hp-hpux11.11/4.1.0/:/opt/gnu64/gcc/gcc-4.1.0/lib/gcc/hppa64-hp-hpux11.11/4.1.0/../../../../hppa64-hp-hpux11.11/bin/:/usr/ccs/binhppa64-hp-hpux11.11/4.1.0/:/usr/ccs/bin
LIBRARY_PATH        = /test/gnu/gcc-4.1/objdir/./gcc/hppa64-hp-hpux11.11/4.1.0/:/test/gnu/gcc-4.1/objdir/./gcc/:/opt/gnu64/gcc/gcc-4.1.0/hppa64-hp-hpux11.11/bin/hppa64-hp-hpux11.11/4.1.0/:/opt/gnu64/gcc/gcc-4.1.0/hppa64-hp-hpux11.11/bin/:/opt/gnu64/gcc/gcc-4.1.0/hppa64-hp-hpux11.11/lib/hppa64-hp-hpux11.11/4.1.0/:/opt/gnu64/gcc/gcc-4.1.0/hppa64-hp-hpux11.11/lib/:/test/gnu/gcc-4.1/objdir/gcc/../lib/gcc/hppa64-hp-hpux11.11/4.1.0/:/test/gnu/gcc-4.1/objdir/gcc/../lib/gcc/:/opt/gnu64/gcc/gcc-4.1.0/lib/gcc/hppa64-hp-hpux11.11/4.1.0/:/usr/lib/gcc/hppa64-hp-hpux11.11/4.1.0/:/test/gnu/gcc-4.1/objdir/gcc/../lib/gcc/hppa64-hp-hpux11.11/4.1.0/../../../../hppa64-hp-hpux11.11/lib/hppa64-hp-hpux11.11/4.1.0/:/test/gnu/gcc-4.1/objdir/gcc/../lib/gcc/hppa64-hp-hpux11.11/4.1.0/../../../../hppa64-hp-hpux11.11/lib/:/opt/gnu64/gcc/gcc-4.1.0/lib/gcc/hppa64-hp-hpux11.11/4.1.0/../../../../hppa64-hp-hpux11.11/lib/hppa64-hp-hpux11.11/4.1.0/:/opt/gnu64/gcc/gcc-4.1.0/lib/gcc/hppa64-hp-hpux11.11/4.1.0/../../../../hppa64-hp-hpux11.11/lib/:/usr/ccs/lib/pa20_64/hppa64-hp-hpux11.11/4.1.0/:/usr/ccs/lib/pa20_64/:/opt/langtools/lib/pa20_64/hppa64-hp-hpux11.11/4.1.0/:/opt/langtools/lib/pa20_64/:/test/gnu/gcc-4.1/objdir/gcc/../lib/gcc/hppa64-hp-hpux11.11/4.1.0/../../../hppa64-hp-hpux11.11/4.1.0/:/test/gnu/gcc-4.1/objdir/gcc/../lib/gcc/hppa64-hp-hpux11.11/4.1.0/../../../:/opt/gnu64/gcc/gcc-4.1.0/lib/gcc/hppa64-hp-hpux11.11/4.1.0/../../../hppa64-hp-hpux11.11/4.1.0/:/opt/gnu64/gcc/gcc-4.1.0/lib/gcc/hppa64-hp-hpux11.11/4.1.0/../../../:/lib/pa20_64/hppa64-hp-hpux11.11/4.1.0/:/lib/pa20_64/:/usr/lib/pa20_64/hppa64-hp-hpux11.11/4.1.0/:/usr/lib/pa20_64/

/opt/gnu64/bin/ld -E -u main /usr/ccs/lib/pa20_64/crt0.o /lib/pa20_64/unix98.o /test/gnu/gcc-4.1/objdir/./gcc/crtbegin.o -L/test/gnu/gcc-4.1/objdir/./gcc -L/opt/gnu64/gcc/gcc-4.1.0/lib/gcc/hppa64-hp-hpux11.11/4.1.0 -L/usr/ccs/lib/pa20_64 -L/opt/langtools/lib/pa20_64 -L/opt/gnu64/gcc/gcc-4.1.0/lib/gcc/hppa64-hp-hpux11.11/4.1.0/../../.. -L/lib/pa20_64 -L/usr/lib/pa20_64 -lgfortranbegin -lgfortran -lm -lgcc_s -lgcc -lc /usr/lib/pa20_64/milli.a -lgcc_s -lgcc /test/gnu/gcc-4.1/objdir/./gcc/crtend.o
/opt/gnu64/gcc/gcc-4.1.0/lib/gcc/hppa64-hp-hpux11.11/4.1.0/../../../libgfortranbegin.a(fmain.o): In function `main': undefined reference to `MAIN__'
collect2: ld returned 1 exit status
[Leaving /var/tmp//ccNsq2qg.c]
[Leaving /var/tmp//ccqLqEDm.o]
[Leaving /var/tmp//ccltDO2s.ld]
[Leaving /var/tmp//ccyYkwmz.le]
[Leaving a.out]
# ./xgcc -B./ -v
Reading specs from ./specs
Target: hppa64-hp-hpux11.11
Configured with: ../gcc/configure --with-gnu-as --with-as=/opt/gnu64/bin/as --with-gnu-ld --with-ld=/opt/gnu64/bin/ld --enable-shared --disable-nls --with-local-prefix=/opt/gnu64 --prefix=/opt/gnu64/gcc/gcc-4.1.0 --host=hppa64-hp-hpux11.11 --enable-threads=posix --disable-libmudflap --with-gmp=/opt/gnu64/gcc/gcc-4.1.0 --enable-languages=c,c++,objc,obj-c++,fortran,java
Thread model: posix
gcc version 4.1.0

At the moment, I'm not sure where 'MAIN__' is defined, or why the gfortran
driver adds '-lgfortranbegin -lgfortran' in the above and -L options which
cause libgfortranbegin to be linked in from the --prefix directory tree.
At this point,  libgfortranbegin and libgfortran haven't been built.