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From: "dje at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug bootstrap/53348] Conflicting fast-integer types on AIX: <sys/inttypes.h> vs. gcc/config/rs6000/aix-stdint.h
Date: Sat, 07 Feb 2015 01:13:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53348

--- Comment #8 from David Edelsohn <dje at gcc dot gnu.org> ---
Patches are reviewed on gcc-patches mailinglist, not in Bugzilla

> The attached patch is everything I've got so far to address issues in
> building GCC on AIX 4.3. This covers issues beyond this bug report, but I
> figured you'd rather take care of everything in one go. A walk-through of
> the changes:
> 
> ++ gcc/opt-functions.awk
> 
> * Escape "{" characters to not annoy older awk programs

Prerequisites for GCC explicitly states that POSIX or SVR4 awk is required, so
I don't think that this work-around would be accepted.  For example, you can
install GNU Awk.

> 
> ++ gcc/config/rs6000/rs6000.c
> 
> * legitimate_indirect_address_p() was coming up as undefined when declared
> with the "inline" keyword

This already has been changed.

> * ASM_WEAKEN_DECL() was coming up undefined, too, even though the call is in
> a section of code not actually used on this platform
> 
> ++ fixincludes/tests/base/*.h
> 
> * Updates to the test suite
> 
> ++ fixincludes/inclhack.def
> 
> * Fixinclude for the oddly-sized fast-integer types
> 
> * Fixinclude for the broken PRIxNN macros in inttypes.h
> 
> * Fixinclude for an incomplete PTHREAD_ONCE_INIT (breaks -Werror builds)
> 
> * Tweaked the aix_pthread hack, as pthread.h has a tab character immediately
> after the "#define" on my system
> 
> * Fixinclude for an strtof() declaration lacking a const keyword (bug #48009)

The fixincludes changes are the most plausible ones.