bugmake - Bugs: bug #61763, [PATCH] glob: Do not use realloc...


bug #61763: [PATCH] glob: Do not use realloc wrapper on FreeBSD

Submitted by:  Jessica Clarke <jrtc27>
Submitted on:  Tue 04 Jan 2022 03:44:02 PM UTC
Severity:  3 - Normal Item Group:  Enhancement
Status:  None Privacy:  Public
Assigned to:  None Open/Closed:  Open
Component Version:  SCM Operating System:  POSIX-Based
Fixed Release:  None Triage Status:  None
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Tue 18 Jan 2022 12:20:23 AM UTC, comment #1: 

Unfortunately the glob.c that comes from GNU make was copied from gnulib and isn't really maintained by GNU make.  Doubly-unfortunately the glob.c that now appears in the current gnulib is massively different AND cannot be used in any environment that doesn't support a complete autoconf deployment (that is, a full configure script with all the POSIX utilities that configure requires).

Since GNU make builds on, and is used by, DOS, Windows, and VMS users, none of which have the ability to run configure natively, we're sort of between a rock and a hard place.

We'll have to decide whether to keep the existing glob implementation, which is extremely outdated and contains some known bugs as well as build issues such as the one you raise, and tweak it, or replace it with the new implementation and figure out how to handle the systems where configure can't be invoked.

Paul D. Smith <psmith>
Project Administrator
Tue 04 Jan 2022 03:44:02 PM UTC, original submission:  

FreeBSD's realloc, like any you're likely to encounter these days, is
totally fine for make's uses. The current my_realloc wrapper, by using
char * instead of void *, results in -Wincompatible-pointer-type warning
spew as, for example, it's passed char **'s, but only void * is treated
specially when it comes to warning about implicit conversions.

  • lib/glob.c (my_realloc): Guard with !defined _FreeBSD_
Jessica Clarke <jrtc27>


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    Follows 1 latest change.

    Date Changed by Updated Field Previous Value => Replaced by
    2022-01-04 jrtc27 Attached File- => Added 0001-glob-Do-not-use-realloc-wrapper-on-FreeBSD.patch, #52612

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