[Buildroot] [Bug 15721] New: fakeroot 1.32.1 fails to build on CentOS 7.x machines

* [Buildroot] [Bug 15721] New: fakeroot 1.32.1 fails to build on CentOS 7.x machines
@ 2023-08-11 22:11 bugzilla
  2024-06-15 15:12 ` [Buildroot] [Bug 15721] " bugzilla
  0 siblings, 1 reply; 2+ messages in thread
From: bugzilla @ 2023-08-11 22:11 UTC (permalink / raw)
  To: buildroot

https://bugs.busybox.net/show_bug.cgi?id=15721

            Bug ID: 15721
           Summary: fakeroot 1.32.1 fails to build on CentOS 7.x machines
           Product: buildroot
           Version: unspecified
          Hardware: All
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P5
         Component: Other
          Assignee: unassigned@buildroot.uclibc.org
          Reporter: abrodkin@synopsys.com
                CC: buildroot@uclibc.org
  Target Milestone: ---

Starting from commit f1350977634f ("package/fakeroot: bump to version 1.32.1"),
see [1], Buildroot fails to compile early that way:
----------------------->8-----------------------
libtool: compile:  /usr/bin/gcc -std=gnu11 -DHAVE_CONFIG_H -I.
-D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64
-I.../buildroot/fakeroot/output/host/include -O2
-I.../buildroot/fakeroot/output/host/include -c libfakeroot_time64.c  -fPIC
-DPIC -o .libs/libfakeroot_time64_la-libfakeroot_time64.o
In file included from libfakeroot_time64.c:13:0:
/usr/include/fts.h:41:3: error: #error "<fts.h> cannot be used with
-D_FILE_OFFSET_BITS==64"
 # error "<fts.h> cannot be used with -D_FILE_OFFSET_BITS==64"
   ^
make[3]: *** [libfakeroot_time64_la-libfakeroot_time64.lo] Error 1
make[3]: Leaving directory
`.../buildroot/fakeroot/output/build/host-fakeroot-1.32.1'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory
`.../buildroot/fakeroot/output/build/host-fakeroot-1.32.1'
make[1]: *** [all] Error 2
make[1]: Leaving directory
`.../buildroot/fakeroot/output/build/host-fakeroot-1.32.1'
----------------------->8-----------------------

That happens due to a change in the fakeroot, see [2].
It boils down to use of "fts.h" on 64-bit system with old glibc.
I.e. support of "fts.h" was added in glibc 2.23, see [3]. And in its turn
CentOS 7.x uses glibc 2.17, thus we see this (shamelessly copied from [4]):
----------------------->8-----------------------
> cat test.c
#include <fts.h>

int main() {
}

> cc -D_FILE_OFFSET_BITS=64 test.c
In file included from test.c:1:0:
/usr/include/fts.h:41:3: error: #error "<fts.h> cannot be used with
-D_FILE_OFFSET_BITS==64"
 # error "<fts.h> cannot be used with -D_FILE_OFFSET_BITS==64"
#include <fts.h>

int main() {
}
----------------------->8-----------------------

Note, with older fakeroot, i.e. reverted [1] my simple build gets to the end
successfully.

[1]
https://git.buildroot.net/buildroot/commit/?h=f1350977634f96f0404b9801e6f79cb7200cf26d
[2]
https://salsa.debian.org/clint/fakeroot/-/commit/c465f716856cd561dba3522a4f5c714ea8bedfbd
[3]
https://sourceware.org/git/?p=glibc.git;a=commit;h=8b7b7f75d91f7bac323dd6a370aeb3e9c5c4a7d5
[4] https://github.com/mesonbuild/meson/issues/3519#issuecomment-386281558

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