Re: [Bug-tar] compiling tar cvs using mingw

[Gerry Reno]

Paul,
  I should have given you my environment earlier but here it is:

OS: Win2000Pro SP3
Intel P4
Cygwin 1.5.3-1 (gcc 3.2)
MinGW 3.0.0 rc (gcc 3.2.3)

  If you need more I can do a cygcheck and send you the dump.

rgds,
Gerry Reno


--- Gerry Reno <address@hidden> wrote:
> Paul,
>   Ok, I think I know why xcreate.c can't find pwd.h or grp.h.  Mingw
> cannot see Cygwin mount points so although the files are in
> /usr/include I don't think it can see them.  They would have to be in
> d:/mingw/include.  I not certain on -mno-cygwin behavior but I think
> that is correct.
> 
> Gerry Reno
> 
> --- Gerry Reno <address@hidden> wrote:
> > Hi Paul,
> > 
> > --- Paul Eggert <address@hidden> wrote:
> > > Gerry Reno <address@hidden> writes:
> > > 
> > > > extract.c:722: warning: assignment makes pointer from integer
> > > without a cast
> > > 
> > > This is due to a bug in the recent CVS checkins.  I think gray
> can
> > > fix
> > > that.  You can ignore it for now.
> > > 
> > > 
> > > >I ran into an error with waitpid.c saying pid_t was
> > > > undefined so I included types.h
> > > 
> > > Don't you mean <sys/types.h>, not <types.h>?
> > > 
> > 
> >   Yes, <sys/types.h>
> > 
> > > When you ran 'configure', which pid_t did it find?
> > > 
> > 
> >   Looks like maybe #define pid_t int
> > 
> > $grep pid_t config*
> > config.h:/* #undef pid_t */
> > config.hin:#undef pid_t
> > config.log:configure:5605: checking for pid_t
> > config.log:ac_cv_type_pid_t=yes
> > configure:echo "$as_me:$LINENO: checking for pid_t" >&5
> > configure:echo $ECHO_N "checking for pid_t... $ECHO_C" >&6
> > configure:if test "${ac_cv_type_pid_t+set}" = set; then
> > configure:if ((pid_t *) 0)
> > configure:if (sizeof (pid_t))
> > configure:  ac_cv_type_pid_t=yes
> > configure:ac_cv_type_pid_t=no
> > configure:echo "$as_me:$LINENO: result: $ac_cv_type_pid_t" >&5
> > configure:echo "${ECHO_T}$ac_cv_type_pid_t" >&6
> > configure:if test $ac_cv_type_pid_t = yes; then
> > configure:#define pid_t int
> > 
> > 
> > > 
> > > >  create.c couldn't find pwd.h and
> > > > grp.h so I copied those from /usr/include
> > > 
> > > Isn't /usr/include part of the include path already?  
> > 
> >   I thought that it would be but if you look at the compile lines
> > they
> > just have:  -I. -I. -I.. -I../lib -I../lib
> > so I edited the Makefile and added -I/usr/include and
> > -I/usr/include/sys
> > but I think I should have probably added the mingw include dirs
> ahead
> > of them - what do you think?
> > 
> > 
> > >If not,
> > > perhaps you should just configure with CFLAGS=-I/usr/include.
> > > 
> > > Also, create.c includes pwd.h and grp.h only if MSDOS is 0.
> > > Suppose you compile with -DMSDOS=1; does that fix things?
> > > 
> > 
> >   Alright, this works for create.c but it fails for xheader.c
> below:
> > 
> > d:\mingw\bin\mingw32-make.exe[2]: Entering directory
> > `D:/cygwin/home/greno/dev/g
> > nu/tar/src'
> > if gcc -mno-cygwin -DHAVE_CONFIG_H -I. -I. -I.. -I../lib -I../lib
> > -I/usr/include
> >  -I/usr/include/sys    -g -O2 -DMSDOS=1 -MT create.o -MD -MP -MF
> > ".deps/create.T
> > po" \
> >   -c -o create.o `test -f 'create.c' || echo './'`create.c; \
> > then mv -f ".deps/create.Tpo" ".deps/create.Po"; \
> > else rm -f ".deps/create.Tpo"; exit 1; \
> > fi
> > create.c: In function `mode_to_chars':
> > create.c:266: warning: comparison is always false due to limited
> > range
> > of data t
> > ype
> > create.c: In function `start_header':
> > create.c:537: warning: comparison is always false due to limited
> > range
> > of data t
> > ype
> > create.c:542: warning: comparison is always false due to limited
> > range
> > of data t
> > ype
> > ----------------------
> > if gcc -mno-cygwin -DHAVE_CONFIG_H -I. -I. -I.. -I../lib -I../lib
> > -I/usr/include
> >  -I/usr/include/sys    -g -O2 -DMSDOS=1 -MT xheader.o -MD -MP -MF
> > ".deps/xheader
> > .Tpo" \
> >   -c -o xheader.o `test -f 'xheader.c' || echo './'`xheader.c; \
> > then mv -f ".deps/xheader.Tpo" ".deps/xheader.Po"; \
> > else rm -f ".deps/xheader.Tpo"; exit 1; \
> > fi
> > xheader.c:21:17: grp.h: No such file or directory
> > xheader.c:23:17: pwd.h: No such file or directory
> > d:\mingw\bin\mingw32-make.exe[2]: *** [xheader.o] Error 1
> > 
> > 
> > > 
> > > > extract.c:385: too many arguments to function `mkdir'
> > > > ...
> > > > It looks like the mingw io.h would define it with one arg.
> > > 
> > > Is this because there is no notion of permissions in DOS?
> > > 
> > > src/system.h includes io.h only if !defined _POSIX_VERSION &&
> > MSDOS,
> > > so MSDOS must be nonzero.  But in that case why did create.c
> > > include pwd.h and grp.h?
> > > 
> > > Does it work to include the following line after '# include
> <io.h>'
> > > in src/system.h?
> > > 
> > > #define mkdir(file, mode) (mkdir) (file)
> > 
> >   I tried your suggestion but no luck.  Same error as before.
> > 
> > thanks for the assistance,
> > Gerry Reno
> > 
> > 
> > 
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