bug#35650: [PATCH] Improving HP-UX support

[Osipov, Michael]

Am 2019-05-15 um 19:59 schrieb Paul Eggert:
> On 5/14/19 2:15 PM, Osipov, Michael wrote:
> > > configure:68559: checking whether this system supports stdbuf
> > > configure:68586: /opt/aCC/bin/aCC -AC99 -o conftest +z -g
> > > -I/opt/ports/coreutils/include -D_INCLUDE_STDC__SOURCE_199901 -b
> > > -L/opt/ports/coreutils/lib/hpux32 conftest.c  >&5
> > > configure:68586: $? = 0
> > > configure:68591: result: yes
> >
> > I do not really understand the purpose of the patch as it does not
> > really test for PIC/shared.
>
> The patch alters the 'configure' script so that it's pickier about
> rejecting warnings from the compiler.
>
> The 'configure' script should be testing for -fPIC and -shared. It
> should have something like this.

Purely my bad, apologies:
> configure:68484: checking whether C compiler handles -Werror
> configure:68503: /opt/aCC/bin/aCC -AC99 -o conftest -g  -Werror 
> -I/opt/ports/coreutils/include -D_INCLUDE_STDC__SOURCE_199901 
> -L/opt/ports/coreutils/lib/hpux32 conftest.c  >&5
> aCC: error 1914: bad form for `-W' option
> configure:68503: $? = 1
> configure:68513: result: no
> configure:68522: checking whether C compiler handles -errwarn
> configure:68541: /opt/aCC/bin/aCC -AC99 -o conftest -g  -errwarn 
> -I/opt/ports/coreutils/include -D_INCLUDE_STDC__SOURCE_199901 
> -L/opt/ports/coreutils/lib/hpux32 conftest.c  >&5
> ld: Entry symbol "rrwarn" not found
  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
This probably no the message you were striving for, but it serves the 
purpose.

> Fatal error.
> configure:68541: $? = 1
> configure:68551: result: no
> configure:68559: checking whether this system supports stdbuf
> configure:68586: /opt/aCC/bin/aCC -AC99 -o conftest -fPIC -g 
> -I/opt/ports/coreutils/include -D_INCLUDE_STDC__SOURCE_199901 -shared 
> -L/opt/ports/coreutils/lib/hpux32 conftest.c  >&5
> aCC: warning 901: unknown option: `-fPIC': use +help for online documentation.
> aCC: warning 901: unknown option: `-hared': use +help for online documentation.
> aCC: warning 919: "-s" and "-g/-g0/-g1/-G/-p/+I" are mutually exclusive.  "-s" 
> option ignored
> configure:68586: $? = 0
> configure:68591: result: no

Is that what you have expected now?

stdbuf is still compiled and linked:
> bash-5.0# find . -name stdbuf
> ./src/stdbuf
> bash-5.0# ./src/stdbuf


Michael