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From: Juan Manuel Guerrero <juan DOT guerrero AT gmx DOT de>
To: djgpp-workers AT delorie DOT com
Subject: Re: Difficulty with absolute paths in #include lines
Date: Wed, 30 Aug 2006 00:55:35 +0200
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Am Mittwoch, 30. August 2006 00:20 schrieb DJ Delorie:
> 
> > #include </dev/env/DJDIR/djgpp/include/sys/stat.h>
> > 
> > Both versions of the path make the compilation fail.
> 
> What kind of fail?  Messages?  The above at least should work.


Here is the produced output:

c:/djgpp/bin/make.exe  all-recursive
make.exe[1]: Entering directory `d:/pppp/m4-1.4.6'
Making all in .
make.exe[2]: Entering directory `d:/pppp/m4-1.4.6'
make.exe[2]: Nothing to be done for `all-am'.
make.exe[2]: Leaving directory `d:/pppp/m4-1.4.6'
Making all in examples
make.exe[2]: Entering directory `d:/pppp/m4-1.4.6/examples'
make.exe[2]: Nothing to be done for `all'.
make.exe[2]: Leaving directory `d:/pppp/m4-1.4.6/examples'
Making all in lib
make.exe[2]: Entering directory `d:/pppp/m4-1.4.6/lib'
c:/djgpp/bin/make.exe  all-am
make.exe[3]: Entering directory `d:/pppp/m4-1.4.6/lib'
make.exe[3]: Nothing to be done for `all-am'.
make.exe[3]: Leaving directory `d:/pppp/m4-1.4.6/lib'
make.exe[2]: Leaving directory `d:/pppp/m4-1.4.6/lib'
Making all in src
make.exe[2]: Entering directory `d:/pppp/m4-1.4.6/src'
gcc -DHAVE_CONFIG_H -I. -I. -I..  -I../lib -I../lib   -g -O2 -c debug.c
In file included from debug.c:25:
../lib/sys/stat.h:25:51: error: /dev/env/DJDIR/djgpp/include/sys/stat.h: No such file or directory (ENOENT)
debug.c: In function 'debug_set_file':
debug.c:133: error: storage size of 'stdout_stat' isn't known
debug.c:133: error: storage size of 'debug_stat' isn't known
make.exe[2]: *** [debug.o] Error 1
make.exe[2]: Leaving directory `d:/pppp/m4-1.4.6/src'
make.exe[1]: *** [all-recursive] Error 1
make.exe[1]: Leaving directory `d:/pppp/m4-1.4.6'
make.exe: *** [all] Error 2


Here is the generated file ../lib/sys/stat.h:

/* Provide a complete sys/stat header file.
   Copyright (C) 2006 Free Software Foundation, Inc.
   Written by Eric Blake.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2, or (at your option)
   any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software Foundation,
   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */

#ifndef _gl_SYS_STAT_H
#define _gl_SYS_STAT_H

/* This file is supposed to be used on platforms where <sys/stat.h> is
   incomplete.  It is intended to provide definitions and prototypes
   needed by an application.  Start with what the system provides.  */
#include </dev/env/DJDIR/djgpp/include/sys/stat.h>

/* mingw does not support symlinks, therefore it does not have lstat.  But
   without links, stat does just fine.  */
#if ! HAVE_LSTAT
# define lstat stat
#endif

/* mingw's _mkdir() function has 1 argument, but we pass 2 arguments.
   Additionally, it declares _mkdir (and depending on compile flags, an
   alias mkdir), only in the nonstandard io.h.  */
#if ! HAVE_DECL_MKDIR && HAVE_IO_H
# include <io.h>

static inline int
rpl_mkdir (char const *name, mode_t mode)
{
  return _mkdir (name);
}

# define mkdir rpl_mkdir
#endif

#endif /* _gl_SYS_STAT_H */

--------------------------------- EOF ------------------------------------


Later I have tried a simple example to reproduce the error:

#include </dev/env/DJDIR/djgpp/include/stdio.h>
int main(void)
{
printf("OK");
return 0;
}
--------------------------------- EOF ------------------------------------

I get the following error message:
1.c:1:48: error: /dev/env/DJDIR/djgpp/include/stdio.h: No such file or directory (ENOENT)
1.c: In function 'main':
1.c:4: warning: implicit declaration of function 'printf'
1.c:4: warning: incompatible implicit declaration of built-in function 'printf'

I am using gcc 4.1.1.
Am I missing something?

Regards,
Juan M. Guerrero