[bug #4830] configure problem with stdbool.h

[nobody]

=================== BUG #4830: FULL BUG SNAPSHOT ===================
http://savannah.gnu.org/bugs/?func=detailbug&bug_id=4830&group_id=61

Submitted by: wendyp                  Project: findutils                    
Submitted on: Mon 08/18/2003 at 21:10
Category:  None                       Severity:  5 - Major                  
Bug Group:  None                      Resolution:  None                     
Assigned to:  None                    Originator Name:                      
Originator Email:                     Status:  Open                         
Release:  None                        Fixed Release:  None                  

Summary:  configure problem with stdbool.h

Original Submission:  i'm in the process of checking out a snapshot provided to 
me by james youngman of a snapshot of the CVS tree of findutils, from 8 august.
i've had findutils-4.1 running on all the cray architectures for several years.
i'm having trouble getting the compile to complete for this snapshot.  the 
problem seems to be that there is no stdbool.h.
...
cc -DHAVE_CONFIG_H -I. -I. -I..     -g -c `test -f 'human.c' || echo 
'./'`human.c
CC-5 cc: ERROR File = human.h, Line = 30
  The source file "stdbool.h" is unavailable.

  # include <stdbool.h>
                       ^

make[5]: *** [human.o] Error 1
make[5]: Leaving directory `/ptmp/wendyp/finddir/findutils-4.2.0/gnulib/lib'

well, that's true, there is no stdbool.h on a non-X1 cray machine.

so, i checked out my redhat linux box, and it also does not have a stdbool.h 
file) but it completes compiling with no problem.

i don't understand this at all.  but i was able to overcome the confusion and 
find something that works.

"typedef char bool" works for gnulib/lib/human.h.
it looks like someone ran into a similar problem in find/defs.h, but the #ifdef 
structure there makes no sense to me. 

for the "bool" type to work on a UNICOS machine, the following patches are 
needed:
$ diff -c gnulib/lib/human.h.orig gnulib/lib/human.h
*** gnulib/lib/human.h.orig     Mon Aug 18 15:41:32 2003
--- gnulib/lib/human.h  Mon Aug 18 16:04:38 2003
***************
*** 27,34 ****
  # endif
  
  # include <limits.h>
  # include <stdbool.h>
! 
  # if HAVE_INTTYPES_H
  #  include <inttypes.h>
  # else
--- 27,37 ----
  # endif
  
  # include <limits.h>
+ # ifndef _UNICOS
  # include <stdbool.h>
! # else
! typedef char bool;
! # endif /* _UNICOS */
  # if HAVE_INTTYPES_H
  #  include <inttypes.h>
  # else


$ diff -c find/defs.h.orig find/defs.h
*** find/defs.h.orig    Mon Aug 18 15:53:18 2003
--- find/defs.h Mon Aug 18 16:09:00 2003
***************
*** 128,134 ****
  #define MODE_ALL      (S_ISUID | S_ISGID | S_ISVTX | MODE_RWX)
  
  #if 1
! #include <stdbool.h>
  typedef bool boolean;
  #else
  /* Not char because of type promotion; NeXT gcc can't handle it.  */
--- 128,140 ----
  #define MODE_ALL      (S_ISUID | S_ISGID | S_ISVTX | MODE_RWX)
  
  #if 1
! # ifndef _UNICOS
! # include <stdbool.h>
! # else
! typedef char bool;
! #define       true    1
! #define       false   0
! # endif /* _UNICOS */
  typedef bool boolean;
  #else
  /* Not char because of type promotion; NeXT gcc can't handle it.  */




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