Re: undefined or invalid # directive (#import ...) when compiling corebase with gcc-2.95

[Sebastian Reitenbach]

On Thursday, June 9, 2011 17:22 CEST, Stefan Bidi <stefanbidi@gmail.com> wrote: 
 
> Fixing CFByteOrder is on my to-do list, but I won't be able to get to it
> until next week.  I see what the problem is... it includes
> Foundation/NSByteOrder.h which, in turn, uses #import.
No hurry at all! 
I only promised to report potential problems or success, unfortunately I had to 
report problems.

> 
> Not sure what the second error is.  Line 90 of CFRuntime.h is the defintion
> of INIT_CFRUNTIME_BASE(), right?  Is this a problem because of the "..."
> argument?  Does gcc-2.95 not recognize this?
yes, I guess that's the problem. IIRC, I've seen the problems with ... 
somewhere else too, with regard to gcc-2.95.

cheers,
Sebastian

> 
> On Thu, Jun 9, 2011 at 8:28 AM, Sebastian Reitenbach <
> sebastia@l00-bugdead-prods.de> wrote:
> 
> > Hi,
> >
> > I run into a weird error, where I don't know where it comes from when I try
> >  to compile corebase from svn on OpenBSD sparc, using gcc-2.95. I get the
> > following error message:
> >
> > Making all for library libgnustep-corebase...
> > cc CFByteOrder.c -c \
> >      -DGNUSTEP -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1
> > -DGNUSTEP_BASE_LIBRARY=1 -D_REENTRANT -fPIC -Wall -DGSWARN -DGSDIAGNOSE
> > -Wno-import -fno-stack-protector -I../Headers -I. -I/usr/local/include
> > -I/home/sebastia/GNUstep/Library/Headers -I/usr/local/include \
> >       -o obj/libgnustep-corebase.obj/CFByteOrder.c.o
> > In file included from ../Headers/CoreFoundation/CFBase.h:33,
> >                 from ../Headers/CoreFoundation/CFByteOrder.h:30,
> >                 from CFByteOrder.c:27:
> > /usr/local/include/GNUstepBase/GSVersionMacros.h:31: undefined or invalid #
> > directive
> > In file included from CFByteOrder.c:28:
> > /usr/local/include/Foundation/NSByteOrder.h:27: undefined or invalid #
> > directive
> > /usr/local/include/Foundation/NSByteOrder.h:29: undefined or invalid #
> > directive
> > /usr/local/include/Foundation/NSByteOrder.h:65: syntax error before
> > `GSSwapI128'
> > /usr/local/include/Foundation/NSByteOrder.h:65: syntax error before `in'
> > /usr/local/include/Foundation/NSByteOrder.h:65: warning: type defaults to
> > `int' in declaration of `GSSwapI128'
> > /usr/local/include/Foundation/NSByteOrder.h:65: warning: data definition
> > has no type or storage class
> > /usr/local/include/Foundation/NSByteOrder.h:74: syntax error before
> > `GSSwapBigI128ToHost'
> > /usr/local/include/Foundation/NSByteOrder.h:74: syntax error before `in'
> > /usr/local/include/Foundation/NSByteOrder.h:74: warning: type defaults to
> > `int' in declaration of `GSSwapBigI128ToHost'
> > /usr/local/include/Foundation/NSByteOrder.h:74: warning: data definition
> > has no type or storage class
> > /usr/local/include/Foundation/NSByteOrder.h:83: syntax error before
> > `GSSwapHostI128ToBig'
> > /usr/local/include/Foundation/NSByteOrder.h:83: syntax error before `in'
> > ... many more syntax errors...
> >
> > The undefined or invalid # directive is a normal #import <> statement.
> > The problem is that gcc-2.95 treats the *.c files as c, and there is no
> > #import, when I add ADDITIONAL_CFLAGS=-x objective-c then it adds it more at
> > the end of the compiler invocation, and I get this:
> >
> > cc CFByteOrder.c -c \
> >      -DGNUSTEP -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1
> > -DGNUSTEP_BASE_LIBRARY=1 -D_REENTRANT -fPIC -g -DDEBUG
> > -fno-omit-frame-pointer -Wall -DGSWARN -DGSDIAGNOSE -Wno-import
> > -fno-stack-protector -x objective-c -I../Headers -I. -I/usr/local/include
> > -I/gnustep-corebase-0.1_writes_to_HOME/GNUstep/Library/Headers
> > -I/usr/local/include \
> >       -o obj/libgnustep-corebase.obj/CFByteOrder.c.o
> > cc: Warning: `-x objective-c' after last input file has no effect
> >
> > So I defined CC="cc -x objective-c", then it seems to take the input file
> > as objective-c and is able to handle the #import, but now I run into the
> > following trouble:
> >
> > ===>  Building for gnustep-corebase-0.1
> > This is gnustep-make 2.6.1. Type 'gmake print-gnustep-make-help' for help.
> > Running in gnustep-make version 2 strict mode.
> > Making all in Source ...
> > gmake[1]: Entering directory
> > `/home/ports/pobj/gnustep-corebase-0.1/corebase-0.1/Source'
> > Making all for library libgnustep-corebase...
> > cc -x objective-c CFCalendar.c -c \
> >      -DGNUSTEP -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1
> > -DGNUSTEP_BASE_LIBRARY=1 -D_REENTRANT -fPIC -g -DDEBUG
> > -fno-omit-frame-pointer -Wall -DGSWARN -DGSDIAGNOSE -Wno-import
> > -fno-stack-protector -x objective-c -I../Headers -I. -I/usr/local/include
> > -I/gnustep-corebase-0.1_writes_to_HOME/GNUstep/Library/Headers
> > -I/usr/local/include \
> >       -o obj/libgnustep-corebase.obj/CFCalendar.c.o
> > cc: Warning: `-x objective-c' after last input file has no effect
> > In file included from CFCalendar.c:31:
> > ../Headers/CoreFoundation/CFRuntime.h:90: warning: invalid character in
> > macro parameter name
> > ../Headers/CoreFoundation/CFRuntime.h:90: badly punctuated parameter list
> > in `#define'
> > gmake[4]: *** [obj/libgnustep-corebase.obj/CFCalendar.c.o] Error 1
> > gmake[3]: *** [internal-library-all_] Error 2
> > gmake[2]: *** [libgnustep-corebase.all.library.variables] Error 2
> > gmake[1]: *** [internal-all] Error 2
> > gmake[1]: Leaving directory
> > `/home/ports/pobj/gnustep-corebase-0.1/corebase-0.1/Source'
> > gmake: *** [internal-all] Error 2
> > *** Error code 2
> >
> > Then I thought I can trick gcc using -D#import=#include, but I then I got
> > malformed option `-D #import=#include' warning, and then I tried with
> > removed # -Dimport=include, but then I get the original error message again,
> > it seems to ignore the -D.
> >
> > any ideas what I can try now to get it to compile with gcc-2.95 would be
> > appreciated, sine I now ran about out of ideas.
> >
> >
> > Sebastian
> >