buildbot for bzip2.git

[Mark Wielaard <mark@klomp.org>]

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Hi,

There is now a buildbot that picks up any commit to the git repository.
It simply tests that the project still compiles and passes all its
checks. It runs on a variety of 32/64bit, little and big endian distros
(centos-aarch64, centos-x86_64, debian-amd64, debian-armhf, debian-
i386, fedora-ppc64, fedora-ppc64le, fedora-s390x and fedora-x86_64),
which will hopefully catch any issues early.

The current state (all green!) can be seen here:
https://builder.wildebeest.org/buildbot/#/builders?tags=bzip2

If the build fails on any buildbot worker it should sent email to this
list.

To test the buildbot setup I pushed the attached commit, which simply
cleans up the only warning given by gcc.

Cheers,

Mark

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From 02fe3ca2349e45eee6dff6ca46bf9a9187f382c5 Mon Sep 17 00:00:00 2001
From: Mark Wielaard <mark@klomp.org>
Date: Sun, 23 Jun 2019 23:52:03 +0200
Subject: [PATCH] bzip2.c (testStream): Remove set, but not used nread
 variable.
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Modern GCC warns:

bzip2.c: In function ‘testStream’:
bzip2.c:557:37: warning: variable ‘nread’ set but not used
[-Wunused-but-set-variable]
    Int32   bzerr, bzerr_dummy, ret, nread, streamNo, i;
                                     ^~~~~

GCC is correct. In testStream we don't care about the number of bytes
read by BZ2_bzRead. So just remove the variable and the assignment.
---
 bzip2.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/bzip2.c b/bzip2.c
index 59f59ff..854a2bb 100644
--- a/bzip2.c
+++ b/bzip2.c
@@ -554,7 +554,7 @@ static
 Bool testStream ( FILE *zStream )
 {
    BZFILE* bzf = NULL;
-   Int32   bzerr, bzerr_dummy, ret, nread, streamNo, i;
+   Int32   bzerr, bzerr_dummy, ret, streamNo, i;
    UChar   obuf[5000];
    UChar   unused[BZ_MAX_UNUSED];
    Int32   nUnused;
@@ -577,7 +577,7 @@ Bool testStream ( FILE *zStream )
       streamNo++;
 
       while (bzerr == BZ_OK) {
-         nread = BZ2_bzRead ( &bzerr, bzf, obuf, 5000 );
+         BZ2_bzRead ( &bzerr, bzf, obuf, 5000 );
          if (bzerr == BZ_DATA_ERROR_MAGIC) goto errhandler;
       }
       if (bzerr != BZ_STREAM_END) goto errhandler;
-- 
1.8.3.1