[bug#39576] qdbm: fix segfault during test

[Thomas Danckaert <post@thomasdanckaert.be>]

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Hi Guix,

at some point, the package qdbm started running into a segfault 
during the test suite.   This small patch fixes that.

If it's ok, I can push the commit myself (I believe I still have 
commit rights), but since I haven't contributed in 2 years, I wanted 
to check if the patch meets all the requirements...

best,

Thomas

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From bd557d5f63197712bbe5cde8f4a80e152b7ec586 Mon Sep 17 00:00:00 2001
From: Thomas Danckaert <thomas.danckaert@gmail.com>
Date: Wed, 12 Feb 2020 15:31:49 +0100
Subject: [PATCH] gnu: qdbm: Fix segfault during tests.

gnu/packages/databses.scm (qdbm): Add "CFLAGS=-fPIC" to make-flags.
---
 gnu/packages/databases.scm | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/gnu/packages/databases.scm b/gnu/packages/databases.scm
index 587d993918..1cec7743b2 100644
--- a/gnu/packages/databases.scm
+++ b/gnu/packages/databases.scm
@@ -19,7 +19,7 @@
 ;;; Copyright © 2016 Danny Milosavljevic <dannym+a@scratchpost.org>
 ;;; Copyright © 2016, 2017, 2018, 2019 Marius Bakke <mbakke@fastmail.com>
 ;;; Copyright © 2017, 2018 Julien Lepiller <julien@lepiller.eu>
-;;; Copyright © 2017 Thomas Danckaert <post@thomasdanckaert.be>
+;;; Copyright © 2017, 2020 Thomas Danckaert <post@thomasdanckaert.be>
 ;;; Copyright © 2017 Jelle Licht <jlicht@fsfe.org>
 ;;; Copyright © 2017 Adriano Peluso <catonano@gmail.com>
 ;;; Copyright © 2017 Arun Isaac <arunisaac@systemreboot.net>
@@ -1060,9 +1060,10 @@ Most public APIs are compatible with @command{mysqlclient} and MySQLdb.")
          "0gmpvhn02pkq280ffmn4da1g4mdr1xxz7l80b7y4n7km1mrzwrml"))))
     (build-system gnu-build-system)
     (arguments
-     `( #:configure-flags (list (string-append "LDFLAGS=-Wl,-rpath="
-                                               (assoc-ref %outputs "out")
-                                               "/lib"))))
+     `(#:configure-flags (list (string-append "LDFLAGS=-Wl,-rpath="
+                                              (assoc-ref %outputs "out")
+                                              "/lib"))
+       #:make-flags '("CFLAGS=-fPIC")))
     (home-page "http://fallabs.com/qdbm")
     (synopsis "Key-value database")
     (description "QDBM is a library of routines for managing a
-- 
2.25.0