I followed the following steps after having an apt sources like for mariadb
apt-get build-dep mariadb-5.5
apt-get install cmake libaio1 libaio-dev fakeroot valgrind
apt-get source mariadb-5.5
cd mariadb-5.5*
edited debian/control and debian/rules as per https://kb.askmonty.org/en/how-to-produce-a-full-stack-trace-for-mysqld-the-mariadb-server/#comment_359 (except using 5.5 as version number)
edit debian/rules added -DCMAKE_BUILD_TYPE=Debug to cmake as per https://kb.askmonty.org/en/compiling-mariadb-for-debugging/
dpkg-buildpackage -us -uc (http://www.debian.org/doc/manuals/maint-guide/build.en.html)
resulted in error:
"mysql-test-run: *** ERROR: Could not find version of MariaDB"
added "mtr_report("List: ", join("\n", @list));" before the mtr_error in ./mysql-test/mysql-test-run.pl rerunnign with dpkg-buildpackage -nc -us -uc revealed:
"List: /home/danblack/mariadb-5.5-5.5.32+maria/builddir/sql/mysqld Ver 5.5.32-MariaDB-1~wheezy for debian-linux-gnu on x86_64 (mariadb.org binary distribution)..."
A quick tests shows the regex not matching:
perl
$a="/home/danblack/mariadb-5.5-5.5.32+maria/builddir/sql/mysqld Ver 5.5.32-MariaDB-1~wheezy for debian-linux-gnu on x86_64 (mariadb.org binary distribution)";
$exe_mysqld="/home/danblack/mariadb-5.5-5.5.32+maria/builddir/sql/mysqld";
$a =~ /^$exe_mysqld\s+Ver\s(\d+)\.(\d+)\.(\d+)(\S*)/;
print "0=$0 1=$1 2=$2 ";
0=- 1= 2=
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> I don't feel quite safe modifying exe_mysqld, it might happen that it's used somewhere else.
It was a local variable that wasn't used again.
> On the other hand, there seems no good reason to match the line with the complete path to mysqld, it should be enough to start with the file name, something like:
It can get the incorrect version if a exe_mysql contains for example "/test/mysqld Ver 5.6.5/mariadb-5.5-5.5.32+maria/builddir/sql/mysqld"