Re: [Rpm-maint] [rpm-software-management/rpm] 4.15.1 creates unreproducible rpm DEPENDSDICT (#1056)

2021-01-16 Thread Bernhard M. Wiedemann 
Still a problem with rpm-4.16.0. I found at least 4 affected packages now and 
all of them use `cmake` and `gcc-c++` for building
* drumstick-devel
* gnuradio-devel
* poco-devel
* qt6-svg-devel (only 1 bit of entropy)

a hexdump diff looks thus:
```diff
@@ -859,13 +859,13 @@
 004920 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 004930 00 00 00 02 00 00 00 02 00 00 00 02 00 00 00 02
 004940 00 00 00 00 00 00 00 10 00 00 00 00 00 00 00 00
-004950 50 00 00 01 50 00 00 04 50 00 00 03 50 00 00 02
-004960 50 00 00 00 50 00 00 01 50 00 00 04 50 00 00 03
-004970 50 00 00 02 50 00 00 00 50 00 00 01 50 00 00 04
-004980 50 00 00 03 50 00 00 02 50 00 00 00 50 00 00 01
-004990 50 00 00 04 50 00 00 03 50 00 00 02 50 00 00 00
-0049a0 50 00 00 01 50 00 00 04 50 00 00 03 50 00 00 02
-0049b0 50 00 00 00 50 00 00 08 52 00 00 00 50 00 00 09
+004950 50 00 00 02 50 00 00 00 50 00 00 03 50 00 00 04
+004960 50 00 00 01 50 00 00 02 50 00 00 00 50 00 00 03
+004970 50 00 00 04 50 00 00 01 50 00 00 02 50 00 00 00
+004980 50 00 00 03 50 00 00 04 50 00 00 01 50 00 00 02
+004990 50 00 00 00 50 00 00 03 50 00 00 04 50 00 00 01
+0049a0 50 00 00 02 50 00 00 00 50 00 00 03 50 00 00 04
+0049b0 50 00 00 01 50 00 00 08 52 00 00 00 50 00 00 09
 0049c0 52 00 00 00 50 00 00 0a 52 00 00 00 50 00 00 0b
 0049d0 52 00 00 00 50 00 00 07 52 00 00 08 52 00 00 13
```

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Re: [Rpm-maint] [rpm-software-management/rpm] 4.15.1 creates unreproducible rpm DEPENDSDICT (#1056)

2020-02-24 Thread Bernhard M. Wiedemann 
I was able to reproduce the problem with rpm-4.14.1 as well, so not a recent 
regression.

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Re: [Rpm-maint] [rpm-software-management/rpm] 4.15.1 creates unreproducible rpm DEPENDSDICT (#1056)

2020-02-24 Thread Panu Matilainen 
As it's not entirely clear from the report: is this reported as a regression in 
4.15.x or just a new finding that was simply reported on the version where 
tested?

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[Rpm-maint] [rpm-software-management/rpm] 4.15.1 creates unreproducible rpm DEPENDSDICT (#1056)

2020-02-06 Thread Bernhard M. Wiedemann 
While working on reproducible builds for openSUSE, I found that
our poco package build had variations in the resulting `poco-devel` rpms
in the `DEPENDSDICT` header.
Likely from build/rpmfc.c rpmfcGenerateDepends function.

Steps To Reproduce:
```bash
osc co openSUSE:Factory/poco && cd $_
osc build --no-service --vm-type=kvm --keep-pkgs=RPMS
rpm -qp --qf '%{DEPENDSDICT}\n' RPMS/poco-devel-1.9.3-*.x86_64.rpm 
```

Diff looks thus:
```diff
filterdiff printrpmtags RPMS*/*devel*
-DEPENDSDICT=1342177287
+DEPENDSDICT=1342177291
```

When building on a filesystem without variations in readdir order (e.g. 
disorderfs in order mode or ext4 with dir_index disabled), differences go away.

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