#2941: HsBase.h includes termios.h which prevents us including curses.h on
solaris
--------------------+-------------------------------------------------------
Reporter: duncan | Owner:
Type: bug | Status: new
Priority: normal | Component: libraries/base
Version: 6.8.3 | Severity: normal
Keywords: | Testcase:
Os: Solaris | Architecture: sparc
--------------------+-------------------------------------------------------
Every .hc file includes `HsBase.h` from the base package.
Unfortunately on Solaris something that this header defines or includes
makes `curses.h` invalid.
{{{
#include "HsBase.h"
#include <curses.h>
#include <term.h>
int main () { return 0; }
}}}
Gives us:
{{{
GHCDIR=/opt/ghc/lib/ghc-6.8.3
gcc -c foo.c -I${GHCDIR}/include -I${GHCDIR}/lib/base-3.0.2.0/include
In file included from foo.c:5:
/usr/include/term.h:1060: error: field ‘Ottyb’ has incomplete type
/usr/include/term.h:1061: error: field ‘Nttyb’ has incomplete type
}}}
whereas if we omit `#include "HsBase.h"` from `foo.c` then it compiles
fine.
If we narrow this down a bit we find that it's because we cannot compile
this file:
{{{
#include <termios.h>
#include <curses.h>
#include <term.h>
int main () { return 0; }
}}}
That is, if we include termios.h before curses.h
The reason is that `curses.h` has:
{{{
#ifndef VINTR
#include <termio.h>
#endif /* VINTR */
typedef struct termio SGTTY;
typedef struct termios SGTTYS;
}}}
and `termios.h` defines VINTR, however it is `termio.h` that defines
`struct termio`. Hence the `SGTTY` typedef is undefined, or incomplete in
C parlance.
If we instead do:
{{{
#include <curses.h>
#include <term.h>
#include <termios.h>
int main () { return 0; }
}}}
Then it compiles fine. Indeed if we edit the .hc file that originally
tickled this bug to put the includes in the other order then it all works
fine.
The nearest reports elsewhere on the net that I've found are:
http://www.nabble.com/Can't-build-pl-5.6.63-td20943886.html
http://www.nabble.com/minor-build-issue-with-5.6.61-on-
Solaris-10-6-06-td19698590.html
This bug prevents the terminfo package from building on Solaris. In turn
that blocks haskeline and ghci-haskeline. So it's a blocker for ghc
adopting haskeline on Solaris at the moment. That blocker may go away if
we get -fasm working and drop support for -fvia-C.
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2941>
GHC <http://www.haskell.org/ghc/>
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