Bug#191033: hugs98_98.200211-1(unstable/ia64): FTBFS: undefined reference to `main'

[Isaac Jones]

Greetings.

The Debian autobuilders were unable to build hugs on a few platforms,
and I tried building Hugs from the distribution tarball and got
similar results on ia64 (on both Debian and Redhat).  Here's what
information I have.  Please let me know if I can get more information
for you.

The error looks like this:
./ffihugs -N +G -W +L"../lib/exts/Storable_aux.c" HugsStorable
/usr/lib/crt1.o: In function `_start':
/usr/lib/crt1.o(.text+0x41): undefined reference to `main'
collect2: ld returned 1 exit status
runhugs: Error occurred
Reading file "/house/ijones/tmp//lib/hugs/lib/exts/HugsStorable.hs":
ERROR "/house/ijones/tmp//lib/hugs/lib/exts/HugsStorable.hs" - Error
while running compilation command 'gcc  -D__HUGS__ "-I/house/ijones/tmp//lib/hugs/include""/house/ijones/tmp//lib/hugs/lib/exts/HugsStorable.c" -o "/house/ijones/tmp//lib/hugs/lib/exts/HugsStorable.so" ../lib/exts/Storable_aux.c' 

This seems to have something to do with the "MKDLL_CMD" macro (in
src/config.h) getting a bad value for these platforms.  In particular,
on ia64, it reads: define MKDLL_CMD "gcc "

whereas on i386, it reads:
#define MKDLL_CMD "gcc -shared"



This is what looks like the relevant configure output on ia64:
checking if '/LD' builds loadable libraries... 
checking if '/LD /ML /nologo' builds loadable libraries... 
checking if '-shared' builds loadable libraries... 
checking if '-bundle' builds loadable libraries... 
checking if '-bundle -lc' builds loadable libraries... 
checking if '-r' builds loadable libraries... 

And the same configure output on i386:
checking if '/LD' builds loadable libraries...
checking if '/LD /ML /nologo' builds loadable libraries...
checking if '-shared' builds loadable libraries... -shared
checking if '-bundle' builds loadable libraries... (cached) -shared
checking if '-bundle -lc' builds loadable libraries... (cached) -shared
checking if '-r' builds loadable libraries... (cached) -shared

It also fails with similar output on hppa and alpha.  Complete build
logs for a variety of architectures can be found here (where you can
see that the previous release was able to build on these
architectures): http://buildd.debian.org/build.php?arch=&pkg=hugs98

However, when I alter config.h by hand to include the -shared flag,
and rerun make;make install (without rerunning configure) I get this
output:

./ffihugs +N +G -W +L"../libraries/Hugs/Storable_aux.c" Hugs.Storable
./ffihugs +N +G -W Foreign.Marshal.Alloc
runhugs: Error occurred
Reading file "/house/ijones/tmp//lib/hugs/libraries/Foreign/Marshal/Alloc.hs":
Reading file "/house/ijones/tmp//lib/hugs/libraries/Foreign/C/Types.hs":
Reading file "/house/ijones/tmp//lib/hugs/libraries/Foreign/C/TypesISO.hs":
Reading file "/house/ijones/tmp//lib/hugs/libraries/Foreign/Storable.hs":
Reading file "/house/ijones/tmp//lib/hugs/libraries/Control/Monad.hs":
Reading file "/house/ijones/tmp//lib/hugs/libraries/Hugs/Storable.hs":
Reading file "/house/ijones/tmp//lib/hugs/libraries/Foreign/Storable.hs":
Reading file "/house/ijones/tmp//lib/hugs/libraries/Foreign/C/TypesISO.hs":
Type checking
ERROR "/house/ijones/tmp//lib/hugs/libraries/Foreign/C/TypesISO.hs":41 - Implementation of .&. requires extra context
*** Expected type   : Bits CPtrdiff => CPtrdiff -> CPtrdiff -> CPtrdiff
*** Missing context : Bits Int64

Let me know if I can offer any more help.


peace,

isaac